1
54.88
Sheridan High School
2001
May 20, 2001
- Dec 31, 1969
2
55.49
Rock Springs High School
2014
May 22, 2014
- May 24, 2014
3
55.53
Lovell High School
2014
May 2, 2014
- May 3, 2014
4
55.73
Kelly Walsh High School
2014
May 16, 2013
- May 18, 2013
5
56.26
Campbell County High School
2018
Apr 29, 2017
6
56.31
Cheyenne East High School
2013
May 17, 2012
- May 19, 2012
7
56.34
Wind River High School
2020
May 16, 2019
- May 18, 2019
8
56.37
Evanston High School
2010
May 21, 2009
- May 23, 2009
9
56.50
Cheyenne Central High School
2013
May 16, 2013
- May 18, 2013
10
56.55
Cody High School
2004
Mar 28, 1995
- Mar 29, 1995
11
56.59
Kelly Walsh High School
2009
May 15, 2008
- May 17, 2008
12
56.60
Sheridan High School
2009
May 21, 2009
- May 23, 2009
13
56.62
Kelly Walsh High School
2003
May 22, 2003
- May 24, 2003
14
56.74
Natrona County High School
2016
May 3, 2016
15
56.80
Laramie High School
2015
May 22, 2014
- May 24, 2014
16
56.93
Worland High School
1985
May 20, 1985
- May 22, 1985
17
57.01
Star Valley High School
2010
May 21, 2009
- May 23, 2009
18
57.02
Mountain View High School
2009
May 18, 2006
- May 20, 2006
19
57.05
Rawlins High School
2012
May 6, 2011
20
57.32
Kelly Walsh High School
2007
May 18, 2006
- May 20, 2006
21
57.41
Cody High School
2010
May 15, 2008
- May 17, 2008
22
57.42
Lingle Ft. Laramie High School
2010
May 15, 2008
- May 17, 2008
23
57.59
Jackson Hole High School
2010
May 15, 2008
- May 17, 2008
24
57.63
Natrona County High School
2016
May 21, 2015
- May 23, 2015
25
57.66
Kelly Walsh High School
2003
May 22, 2003
- May 24, 2003
26
57.70
Sheridan High School
2018
May 19, 2016
- May 21, 2016
27
57.88
Star Valley High School
2013
May 16, 2013
- May 18, 2013
27
57.88
Pine Bluffs High School
2006
May 18, 2006
- May 20, 2006
27
57.88
Cody High School
2008
May 18, 2006
- May 20, 2006
30
57.91
Wheatland High School
2001
May 20, 2001
- Dec 31, 1969
31
57.94
Worland High School
2014
May 22, 2014
- May 24, 2014
32
57.95
Natrona County High School
2019
May 3, 2016
33
57.97
Jackson Hole High School
2014
May 16, 2013
- May 18, 2013
34
58.03
Jackson Hole High School
2017
May 6, 2017
35
58.14
Sheridan High School
2001
May 20, 2001
- Dec 31, 1969
36
58.15
Cheyenne East High School
2001
May 26, 2000
- May 27, 2000
36
58.15
Kelly Walsh High School
2012
May 17, 2012
- May 19, 2012
36
58.15
Campbell County High School
2003
May 22, 2003
- May 24, 2003
39
58.19
Evanston High School
2012
May 17, 2012
- May 19, 2012
40
58.25
Natrona County High School
2006
May 20, 2004
- May 22, 2004
41
58.27
Kelly Walsh High School
2011
May 15, 2008
- May 17, 2008
42
58.29
Lander Valley High School
2002
May 20, 2001
- Dec 31, 1969
43
58.39
Green River High School
2018
May 21, 2015
- May 23, 2015
44
58.42
Cheyenne Central High School
2009
May 17, 2007
- May 19, 2007
45
58.47
Cody High School
2015
May 22, 2014
- May 24, 2014
46
58.50
Cheyenne East High School
2012
May 4, 2012
47
58.52
Cokeville High School
2017
May 19, 2016
- May 21, 2016
48
58.53
Burns High School
2005
May 22, 2003
- May 24, 2003
48
58.53
Riverton High School
2004
May 20, 2004
- May 22, 2004
50
58.56
Rock Springs High School
2019
Apr 20, 2019
51
58.57
Powell High School
2003
May 26, 2000
- May 27, 2000
52
58.67
Kelly Walsh High School
2003
May 22, 2003
- May 24, 2003
53
58.68
Cheyenne Central High School
2010
May 18, 2006
- May 20, 2006
54
58.69
Burns High School
2002
May 19, 2002
- Dec 31, 1969
54
58.69
Wheatland High School
2008
May 15, 2008
- May 17, 2008
54
58.69
Cody High School
2008
May 19, 2005
- May 21, 2005
54
58.69
Cheyenne East High School
2006
May 18, 2006
- May 20, 2006
58
58.71
Natrona County High School
2017
May 13, 2016
- May 14, 2016
59
58.75
Tongue River High School
2016
May 21, 2015
- May 23, 2015
60
58.77
Wheatland High School
2018
May 5, 2017
61
58.78
Powell High School
2001
May 20, 2001
- Dec 31, 1969
62
58.84
Kelly Walsh High School
2008
May 17, 2007
- May 19, 2007
63
58.92
Ten Sleep High School
2019
Apr 27, 2018
63
58.92
Lander Valley High School
2008
May 17, 2007
- May 19, 2007
63
58.92
Sheridan High School
2014
May 16, 2014
- May 17, 2014
66
58.94
Natrona County High School
2008
May 18, 2006
- May 20, 2006
67
58.95
Southeast High School
2022
May 16, 2019
- May 18, 2019
68
58.98
Laramie High School
2011
May 21, 2009
- May 23, 2009
69
59.04
Kelly Walsh High School
2002
May 26, 2000
- May 27, 2000
70
59.09
Powell High School
2012
May 11, 2012
- May 12, 2012
71
59.20
Evanston High School
2021
Apr 5, 2019
- Apr 6, 2019
72
59.23
Lovell High School
2006
May 18, 2006
- May 20, 2006
72
59.23
Cheyenne East High School
2003
May 22, 2003
- May 24, 2003
74
59.26
Rock Springs High School
2018
May 17, 2018
- May 19, 2018
75
59.32
Powell High School
2018
May 21, 2015
- May 23, 2015
76
59.33
Natrona County High School
2003
May 26, 2000
- May 27, 2000
76
59.33
Rock Springs High School
2014
May 22, 2014
- May 24, 2014
76
59.33
Cheyenne Central High School
2014
May 16, 2013
- May 18, 2013
79
59.35
Cheyenne Central High School
2021
May 11, 2018
- May 12, 2018
79
59.35
Kelly Walsh High School
2009
Apr 28, 2008
81
59.37
Laramie High School
2020
Apr 23, 2019
82
59.38
Powell High School
2014
May 22, 2014
- May 24, 2014
83
59.39
Jackson Hole High School
2010
May 15, 2008
- May 17, 2008
84
59.41
Sundance High School
2004
May 20, 2004
- May 22, 2004
85
59.44
Laramie High School
2016
May 22, 2014
- May 24, 2014
86
59.45
Natrona County High School
2003
May 22, 2003
- May 24, 2003
87
59.47
Douglas High School
2018
Apr 27, 2018
88
59.52
Rock Springs High School
2008
May 17, 2007
- May 19, 2007
89
59.54
Laramie High School
2013
May 20, 2010
- May 22, 2010
90
59.58
Laramie High School
2005
May 20, 2004
- May 22, 2004
91
59.60
Guernsey-Sunrise High School
2005
May 22, 2003
- May 24, 2003
92
59.61
Campbell County High School
2017
May 1, 2015
93
59.65
Buffalo High School
2003
May 20, 2001
- Dec 31, 1969
94
59.68
Thunder Basin High School
2020
May 16, 2019
- May 18, 2019
95
59.70
Evanston High School
2021
May 12, 2019
96
59.78
Evanston High School
2012
May 17, 2012
- May 19, 2012
96
59.78
Cheyenne Central High School
2004
May 20, 2004
- May 22, 2004
98
59.81
Thunder Basin High School
2020
May 17, 2018
- May 19, 2018
99
59.83
Cokeville High School
2014
May 17, 2012
- May 19, 2012
100
59.84
Evanston High School
2008
May 18, 2006
- May 20, 2006
101
59.85
Southeast High School
2004
May 19, 2002
- Dec 31, 1969
102
59.86
Worland High School
2005
May 19, 2005
- May 21, 2005
103
59.87
Newcastle High School
2000
May 26, 2000
- May 27, 2000
104
59.89
Cheyenne Central High School
2018
Apr 10, 2015
105
59.91
Natrona County High School
2010
May 21, 2009
- May 23, 2009
105
59.91
Wheatland High School
2004
May 20, 2001
- Dec 31, 1969
107
59.92
Lovell High School
2012
May 13, 2011
108
59.93
Cheyenne South High School
2019
May 18, 2017
- May 20, 2017
109
59.97
Campbell County High School
2015
May 15, 2015
- May 16, 2015
110
59.98
Kemmerer High School
2005
May 20, 2004
- May 22, 2004
110
59.98
Campbell County High School
2013
May 17, 2012
- May 19, 2012
112
1:00.00
Lovell High School
2012
May 12, 2012
113
1:00.02
Sheridan High School
2017
May 19, 2016
- May 21, 2016
114
1:00.04
Southeast High School
2015
May 21, 2015
- May 23, 2015
115
1:00.05
Newcastle High School
2016
May 6, 2016
116
1:00.07
Big Horn High School
2016
May 6, 2016
117
1:00.10
Dubois High School
2019
May 4, 2018
118
1:00.14
Moorcroft High School
2020
May 17, 2018
- May 19, 2018
118
1:00.14
Campbell County High School
2000
May 26, 2000
- May 27, 2000
118
1:00.14
Cheyenne Central High School
2002
May 20, 2001
- Dec 31, 1969
121
1:00.17
Natrona County High School
2018
May 17, 2018
- May 19, 2018
122
1:00.20
Star Valley High School
2010
May 20, 2010
- May 22, 2010
123
1:00.21
Cheyenne Central High School
2014
May 2, 2014
123
1:00.21
Cheyenne Central High School
2000
May 26, 2000
- May 27, 2000
125
1:00.22
Lingle Ft. Laramie High School
2014
May 22, 2014
- May 24, 2014
125
1:00.22
Douglas High School
2021
Apr 27, 2018
127
1:00.26
Torrington High School
2008
May 19, 2005
- May 21, 2005
128
1:00.27
Big Horn High School
2014
May 22, 2014
- May 24, 2014
128
1:00.27
Campbell County High School
2001
May 26, 2000
- May 27, 2000
130
1:00.28
Wheatland High School
2008
Apr 28, 2008
131
1:00.30
Shoshoni High School
2004
May 20, 2004
- May 22, 2004
131
1:00.30
Worland High School
2020
May 3, 2019
133
1:00.35
Pine Bluffs High School
2017
May 18, 2017
- May 20, 2017
134
1:00.37
Cody High School
2014
May 15, 2014
- May 16, 2014
135
1:00.38
Torrington High School
2019
Apr 15, 2016
136
1:00.40
Pinedale High School
2015
Apr 10, 2015
137
1:00.41
Campbell County High School
2022
May 10, 2019
- May 11, 2019
138
1:00.42
Natrona County High School
2021
Apr 27, 2018
138
1:00.42
Glenrock High School
2000
May 26, 2000
- May 27, 2000
140
1:00.45
HEM High School
2003
May 20, 2001
- Dec 31, 1969
140
1:00.45
Star Valley High School
2016
May 21, 2015
- May 23, 2015
142
1:00.46
Campbell County High School
2016
May 15, 2015
- May 16, 2015
143
1:00.47
Sheridan High School
2009
May 15, 2009
- May 16, 2009
144
1:00.48
Rock Springs High School
2016
May 13, 2016
- May 14, 2016
145
1:00.50
Jackson Hole High School
2002
May 26, 2000
- May 27, 2000
146
1:00.52
Thermopolis High School
2016
May 21, 2015
- May 23, 2015
147
1:00.55
Cheyenne Central High School
2011
May 19, 2011
- May 21, 2011
148
1:00.57
Rock Springs High School
2014
May 11, 2013
149
1:00.59
Burlington High School
2003
May 20, 2001
- Dec 31, 1969
150
1:00.63
Mountain View High School
2008
May 18, 2006
- May 20, 2006
150
1:00.63
Shoshoni High School
2005
May 20, 2004
- May 22, 2004
152
1:00.64
Kelly Walsh High School
2015
May 2, 2014
153
1:00.71
Powell High School
2022
May 16, 2019
- May 18, 2019
154
1:00.79
Lander Valley High School
2004
May 19, 2002
- Dec 31, 1969
155
1:00.83
Saratoga High School
2007
May 17, 2007
- May 19, 2007
156
1:00.84
Mountain View High School
2017
May 2, 2017
156
1:00.84
Riverton High School
2020
May 17, 2018
- May 19, 2018
158
1:00.85
Douglas High School
2005
May 19, 2005
- May 21, 2005
159
1:00.88
Cokeville High School
2017
May 22, 2014
- May 24, 2014
160
1:00.89
Cheyenne East High School
2014
Apr 26, 2013
161
1:00.90
Laramie High School
2019
May 19, 2016
- May 21, 2016
162
1:00.91
Cheyenne East High School
2015
May 22, 2014
- May 24, 2014
163
1:00.92
Rock Springs High School
2016
Apr 22, 2016
164
1:00.93
Natrona County High School
2019
May 10, 2019
- May 11, 2019
165
1:00.94
Jackson Hole High School
2007
May 18, 2006
- May 20, 2006
165
1:00.94
Laramie High School
2010
May 20, 2010
- May 22, 2010
167
1:00.95
Evanston High School
2009
May 15, 2009
- May 16, 2009
168
1:00.96
Kelly Walsh High School
2011
May 13, 2011
- May 14, 2011
169
1:00.97
Riverside High School
2009
May 17, 2007
- May 19, 2007
169
1:00.97
Powell High School
2015
May 21, 2015
- May 23, 2015
171
1:00.98
Southeast High School
2016
May 22, 2014
- May 24, 2014
172
1:00.99
Thunder Basin High School
2019
May 16, 2019
- May 18, 2019
173
1:01.00
Lovell High School
2002
May 20, 2001
- Dec 31, 1969
173
1:01.00
Laramie High School
2018
May 11, 2018
- May 12, 2018
175
1:01.01
Evanston High School
2013
May 16, 2013
- May 18, 2013
176
1:01.02
Cokeville High School
2010
May 21, 2009
- May 23, 2009
176
1:01.02
Laramie High School
2013
Apr 6, 2012
176
1:01.02
Cheyenne East High School
2022
May 10, 2019
- May 11, 2019
179
1:01.03
Burlington High School
2000
May 26, 2000
- May 27, 2000
180
1:01.05
Upton High School
2018
May 19, 2016
- May 21, 2016
180
1:01.05
Cheyenne South High School
2021
May 16, 2019
- May 18, 2019
182
1:01.06
Albin High School (Closed)
2003
May 22, 2003
- May 24, 2003
183
1:01.07
Big Piney High School
2018
May 17, 2018
- May 19, 2018
183
1:01.07
Rock Springs High School
2020
May 5, 2017
- May 6, 2017
185
1:01.08
Star Valley High School
2016
Apr 20, 2016
185
1:01.08
Riverton High School
2009
May 15, 2009
- May 16, 2009
187
1:01.09
Buffalo High School
2022
May 10, 2019
- May 11, 2019
187
1:01.09
Glenrock High School
2019
May 16, 2019
- May 18, 2019
189
1:01.12
Burns High School
2015
May 12, 2013
190
1:01.14
Newcastle High School
2016
May 12, 2013
191
1:01.15
Douglas High School
2003
May 22, 2003
- May 24, 2003
192
1:01.16
Encampment High School
2017
May 18, 2017
- May 20, 2017
192
1:01.16
Tongue River High School
2013
May 12, 2013
194
1:01.17
Kemmerer High School
2016
May 21, 2015
- May 23, 2015
195
1:01.18
Kelly Walsh High School
2022
May 16, 2019
- May 18, 2019
196
1:01.19
Riverton High School
2014
Apr 5, 2014
197
1:01.21
Torrington High School
2009
May 15, 2008
- May 17, 2008
198
1:01.22
Lingle Ft. Laramie High School
2015
May 22, 2014
- May 24, 2014
199
1:01.24
Sheridan High School
2012
Apr 29, 2011
200
1:01.26
Meeteetse High School
2007
May 17, 2007
- May 19, 2007
200
1:01.26
Riverton High School
2006
May 22, 2003
- May 24, 2003
202
1:01.28
Sundance High School
2010
May 21, 2009
- May 23, 2009
203
1:01.29
Sheridan High School
2019
Apr 26, 2018
203
1:01.29
Rawlins High School
2010
Apr 30, 2010
205
1:01.31
Rawlins High School
2010
May 21, 2009
- May 23, 2009
206
1:01.32
Southeast High School
2019
May 13, 2016
- May 14, 2016
206
1:01.32
Campbell County High School
2016
May 16, 2014
- May 17, 2014
208
1:01.34
Pinedale High School
2007
May 19, 2005
- May 21, 2005
209
1:01.37
Campbell County High School
2017
Apr 18, 2017
210
1:01.38
Cokeville High School
2006
May 18, 2006
- May 20, 2006
211
1:01.41
Rawlins High School
2005
May 20, 2004
- May 22, 2004
211
1:01.41
Kemmerer High School
2018
May 21, 2015
- May 23, 2015
213
1:01.42
Lovell High School
2016
May 16, 2013
- May 18, 2013
213
1:01.42
Rawlins High School
2008
May 17, 2007
- May 19, 2007
215
1:01.45
Douglas High School
2016
May 12, 2013
216
1:01.47
Cheyenne South High School
2015
Apr 18, 2015
217
1:01.48
Lingle Ft. Laramie High School
2008
May 18, 2006
- May 20, 2006
218
1:01.49
Rocky Mountain High School
2006
May 22, 2003
- May 24, 2003
219
1:01.52
Lander Valley High School
2011
May 20, 2010
- May 22, 2010
220
1:01.54
Kemmerer High School
2010
May 20, 2010
- May 22, 2010
220
1:01.54
Cokeville High School
2008
May 17, 2007
- May 19, 2007
222
1:01.55
Cokeville High School
2016
May 22, 2014
- May 24, 2014
222
1:01.55
Powell High School
2008
May 18, 2006
- May 20, 2006
224
1:01.58
Campbell County High School
2010
May 17, 2007
- May 19, 2007
225
1:01.59
Natrona County High School
2017
Apr 22, 2017
226
1:01.60
Greybull High School
2014
May 22, 2014
- May 24, 2014
227
1:01.61
Douglas High School
2017
May 3, 2016
228
1:01.62
Cheyenne Central High School
2004
May 20, 2004
- May 22, 2004
229
1:01.63
Thermopolis High School
2013
May 12, 2012
229
1:01.63
Cody High School
2022
May 16, 2019
- May 18, 2019
231
1:01.64
Powell High School
2016
May 19, 2016
- May 21, 2016
232
1:01.65
Star Valley High School
2019
May 5, 2017
- May 6, 2017
233
1:01.67
Cheyenne East High School
2003
May 20, 2001
- Dec 31, 1969
234
1:01.68
Laramie High School
2002
May 19, 2002
- Dec 31, 1969
235
1:01.69
Sheridan High School
2011
May 15, 2009
- May 16, 2009
236
1:01.71
Southeast High School
2000
May 26, 2000
- May 27, 2000
237
1:01.75
Campbell County High School
2016
Apr 5, 2014
238
1:01.77
Saratoga High School
2004
May 19, 2002
- Dec 31, 1969
238
1:01.77
Cheyenne Central High School
2018
Apr 27, 2018
240
1:01.78
Cheyenne Central High School
2011
May 15, 2009
- May 16, 2009
241
1:01.80
Lyman High School
2019
May 17, 2018
- May 19, 2018
242
1:01.81
Sundance High School
2002
May 20, 2001
- Dec 31, 1969
243
1:01.82
Lingle Ft. Laramie High School
2019
May 5, 2018
244
1:01.83
Hulett High School
2001
May 20, 2001
- Dec 31, 1969
245
1:01.84
Wheatland High School
2008
May 17, 2007
- May 19, 2007
245
1:01.84
Lander Valley High School
2011
May 20, 2010
- May 22, 2010
247
1:01.85
Cokeville High School
2022
May 16, 2019
- May 18, 2019
247
1:01.85
Newcastle High School
2018
May 19, 2016
- May 21, 2016
249
1:01.86
Wheatland High School
2010
Apr 9, 2009
249
1:01.86
Douglas High School
2019
May 17, 2018
- May 19, 2018
251
1:01.88
Hulett High School
2003
May 20, 2001
- Dec 31, 1969
252
1:01.89
Sheridan High School
2015
Apr 26, 2014
253
1:01.90
Laramie High School
2019
May 18, 2017
- May 20, 2017
254
1:01.91
Laramie High School
2019
Apr 23, 2016
254
1:01.91
Lander Valley High School
2005
May 19, 2005
- May 21, 2005
256
1:01.92
Cheyenne Central High School
2009
May 17, 2007
- May 19, 2007
257
1:01.94
Big Horn High School
2019
May 19, 2016
- May 21, 2016
258
1:01.95
Powell High School
2020
May 16, 2019
- May 18, 2019
259
1:01.97
Thunder Basin High School
0
May 10, 2019
- May 11, 2019
260
1:02.01
Upton High School
2017
May 12, 2017
- May 13, 2017
261
1:02.02
Mountain View High School
2015
May 16, 2013
- May 18, 2013
262
1:02.03
Little Snake River High School
2012
May 13, 2011
262
1:02.03
Thermopolis High School
2008
May 18, 2006
- May 20, 2006
264
1:02.05
Moorcroft High School
2006
May 18, 2006
- May 20, 2006
265
1:02.07
Thunder Basin High School
0
Apr 13, 2019
265
1:02.07
Newcastle High School
2009
May 18, 2006
- May 20, 2006
267
1:02.09
Big Piney High School
2013
May 17, 2012
- May 19, 2012
267
1:02.09
Powell High School
2007
May 19, 2005
- May 21, 2005
269
1:02.11
Shoshoni High School
2015
May 10, 2013
- May 11, 2013
269
1:02.11
Rock Springs High School
2020
May 5, 2017
- May 6, 2017
271
1:02.12
Rocky Mountain High School
2013
May 10, 2013
- May 11, 2013
272
1:02.18
Powell High School
2004
May 20, 2004
- May 22, 2004
273
1:02.21
Lingle Ft. Laramie High School
2017
Apr 22, 2016
274
1:02.23
Burns High School
2016
May 13, 2016
- May 14, 2016
274
1:02.23
Evanston High School
2005
May 19, 2005
- May 21, 2005
276
1:02.24
Niobrara County
2006
May 19, 2005
- May 21, 2005
277
1:02.25
Cheyenne East High School
2000
May 26, 2000
- May 27, 2000
278
1:02.27
Cheyenne South High School
2017
Apr 7, 2017
278
1:02.27
Burns High School
2002
May 20, 2001
- Dec 31, 1969
278
1:02.27
Lovell High School
2012
May 17, 2012
- May 19, 2012
281
1:02.28
Rock Springs High School
2016
Apr 23, 2015
282
1:02.29
Torrington High School
2014
May 17, 2012
- May 19, 2012
282
1:02.29
Evanston High School
2022
May 12, 2019
284
1:02.30
Cokeville High School
2008
May 17, 2007
- May 19, 2007
285
1:02.31
Lander Valley Middle School
0
May 15, 2008
- May 17, 2008
286
1:02.32
Powell High School
2012
May 21, 2009
- May 23, 2009
286
1:02.32
Rocky Mountain High School
2004
May 20, 2001
- Dec 31, 1969
288
1:02.35
Rock Springs High School
2008
May 19, 2005
- May 21, 2005
289
1:02.36
Laramie High School
2015
May 11, 2012
- May 12, 2012
289
1:02.36
Campbell County High School
2011
May 13, 2011
- May 14, 2011
291
1:02.38
HEM High School
2021
May 17, 2018
- May 19, 2018
291
1:02.38
Wind River High School
2019
May 16, 2019
- May 18, 2019
293
1:02.43
Riverton High School
2006
May 18, 2006
- May 20, 2006
294
1:02.44
Newcastle High School
2010
May 21, 2009
- May 23, 2009
294
1:02.44
Moorcroft High School
2002
May 20, 2001
- Dec 31, 1969
294
1:02.44
Cheyenne East High School
2005
May 19, 2005
- May 21, 2005
297
1:02.45
Thermopolis High School
2017
Apr 22, 2017
298
1:02.46
Powell High School
2014
Apr 26, 2013
299
1:02.49
Rock Springs High School
2018
May 2, 2015
300
1:02.51
Dubois High School
2002
May 20, 2001
- Dec 31, 1969
300
1:02.51
Wheatland High School
2007
May 17, 2007
- May 19, 2007
302
1:02.52
Douglas MS
2021
May 6, 2017
303
1:02.54
Cokeville High School
2008
May 15, 2008
- May 17, 2008
303
1:02.54
Cheyenne East High School
2009
May 18, 2006
- May 20, 2006
303
1:02.54
Rock Springs High School
2015
May 1, 2015
- May 2, 2015
306
1:02.55
Wheatland High School
2021
Apr 18, 2019
306
1:02.55
Sheridan High School
2019
Apr 7, 2017