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Colorado Swimming Boys 10 & under - 100 Y Back

These rankings show the swimmers' placement within their Local Swimming Committee (LSC).
They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.

Swimmer Rankings

Ranking Name Time Age Standard to Next Standard Team Date Meet
251 Constantine Kolosov 1:58.07 9 B: 1:40.69 (+17.38s | 14.7%) Mission Aurora Colorado Swimmi 01/03/2026 2026 CO MACS Winter Invitationak
50 Back
58.33
58.33
100 Back
59.74
1:58.07
100 Back
1:58.07
252 Jack McRae 1:58.10 7 B: 1:40.69 (+17.41s | 14.7%) Univ. of Denver Hilltoppers 11/15/2024 2024 CO TOPS Fall Invite
50 Back
57.77
57.77
100 Back
1:00.33
1:58.10
100 Back
1:58.10
253 Gabriel Martinez 1:58.34 8 B: 1:40.69 (+17.65s | 14.9%) Aces Swim Club 12/13/2024 2024 CO Falfins Holiday Open
50 Back
56.28
56.28
100 Back
1:02.06
1:58.34
100 Back
1:58.34
254 Teagan Goodrum 1:58.37 10 B: 1:40.69 (+17.68s | 14.9%) Greenwood Tiger Sharks 12/12/2025 2025 CO NJ Blizzard Invite
50 Back
56.93
56.93
50 Back
56.93
100 Back
1:01.44
1:58.37
50 Back
1:01.44
255 Keagan Welter 1:58.60 9 B: 1:40.69 (+17.91s | 15.1%) Aces Swim Club 02/14/2026 2026 CO ACES Winter Open
50 Back
58.39
58.39
100 Back
1:00.21
1:58.60
100 Back
1:58.60
256 Henry Levay 2:00.38 8 B: 1:40.69 (+19.69s | 16.4%) SlipStream Aquatics 03/13/2026 Mile High Championship Invitational
50 Back
57.73
57.73
100 Back
1:02.65
2:00.38
100 Back
2:00.38
257 Nathaniel Kornfeld 2:01.00 10 B: 1:40.69 (+20.31s | 16.8%) Swim Dogs 03/13/2026 Mile High Championship Invitational
50 Back
1:01.23
1:01.23
100 Back
59.77
2:01.00
100 Back
2:01.00
258 Mason Birnie 2:01.31 9 B: 1:40.69 (+20.62s | 17.0%) Front Range Barracudas 01/16/2026 2026 CO CUDA Classic
50 Back
57.89
57.89
100 Back
1:03.42
2:01.31
100 Back
2:01.31
259 Hayden Schamber 2:01.42 8 B: 1:40.69 (+20.73s | 17.1%) Aces Swim Club 12/27/2025 2025 CO ACES Intra Squad Distance Meet
50 Back
58.32
58.32
100 Back
1:03.10
2:01.42
100 Back
2:01.42
260 Jefferson Zhang 2:01.60 10 B: 1:40.69 (+20.91s | 17.2%) Fort Collins Area Swim Team 12/12/2025 2025 CO FAST Bill Spahn Mid Season Finale
50 Back
59.52
59.52
100 Back
1:02.08
2:01.60
100 Back
2:01.60
261 Kyle Bastin 2:01.62 8 B: 1:40.69 (+20.93s | 17.2%) Mission Aurora Colorado Swimmi 01/03/2026 2026 CO MACS Winter Invitationak
50 Back
57.74
57.74
100 Back
1:03.88
2:01.62
100 Back
2:01.62
262 Stephen Jones 2:02.15 9 B: 1:40.69 (+21.46s | 17.6%) Gunnison Stingrays 08/01/2025 2025 CO CSI Scottie Aschermann Memorial
50 Back
57.54
57.54
100 Back
1:04.61
2:02.15
100 Back
2:02.15
263 Yannik Scholl 2:02.99 8 B: 1:40.69 (+22.30s | 18.1%) Univ. of Denver Hilltoppers 01/23/2026 2026 CO TOPS Colorado Open
50 Back
59.60
59.60
100 Back
1:03.39
2:02.99
100 Back
2:02.99
264 Paxton King 2:03.07 9 B: 1:40.69 (+22.38s | 18.2%) Fort Collins Area Swim Team 03/06/2026 2026 CO NCS Winter District Championships
25 Back
28.13
28.13
50 Back
30.25
58.38
50 Back
58.38
100 Back
1:04.69
2:03.07
50 Back
1:04.69
265 Logan Jenkins 2:03.82 9 B: 1:40.69 (+23.13s | 18.7%) Northglenn Fusion Swim Club 12/12/2025 2025 CO NJ Blizzard Invite
50 Back
1:02.95
1:02.95
50 Back
1:02.95
100 Back
1:00.87
2:03.82
50 Back
1:00.87
266 Logan Arndt 2:04.14 8 B: 1:40.69 (+23.45s | 18.9%) Castle Rock Swimming 12/19/2025 2025 CO Falfins Holiday Open
50 Back
59.50
59.50
100 Back
1:04.64
2:04.14
100 Back
2:04.14
267 Parth Karegar 2:04.20 9 B: 1:40.69 (+23.51s | 18.9%) Fort Collins Area Swim Team 03/06/2026 2026 CO NCS Winter District Championships
25 Back
29.03
29.03
50 Back
30.84
59.87
50 Back
59.87
100 Back
1:04.33
2:04.20
50 Back
1:04.33
268 Ezra Schultz 2:04.22 8 B: 1:40.69 (+23.53s | 18.9%) CAC Stingrays Swim Team 01/09/2026 2026 CO NJ Narwhal Invitational
50 Back
1:02.02
1:02.02
100 Back
1:02.19
2:04.22
100 Back
2:04.22
269 Caden Thompson Servin 2:04.32 10 B: 1:40.69 (+23.63s | 19.0%) Mission Aurora Colorado Swimmi 12/12/2025 2025 CO NJ Blizzard Invite
50 Back
58.51
58.51
50 Back
58.51
100 Back
1:05.81
2:04.32
50 Back
1:05.81
270 Justus Smith 2:04.39 10 B: 1:40.69 (+23.70s | 19.1%) Rocky Mountain Rapids 12/19/2025 2025 CO Falfins Holiday Open
50 Back
1:00.04
1:00.04
100 Back
1:04.35
2:04.39
100 Back
2:04.39
271 Nolan Kelly 2:04.96 7 B: 1:40.69 (+24.27s | 19.4%) Front Range Barracudas 02/13/2026 2026 CO NJ Groundhog Invite
50 Back
1:00.37
1:00.37
100 Back
1:04.59
2:04.96
100 Back
2:04.96
272 Hudson Noss 2:05.64 9 B: 1:40.69 (+24.95s | 19.9%) Longmont Swim Club 01/09/2026 2026 CO NJ Narwhal Invitational
50 Back
1:01.90
1:01.90
100 Back
1:03.74
2:05.64
100 Back
2:05.64
273 Hudson Crosby 2:06.25 10 B: 1:40.69 (+25.56s | 20.2%) Castle Rock Swimming 02/14/2026 2026 CO ACES Winter Open
50 Back
1:03.08
1:03.08
100 Back
1:03.17
2:06.25
100 Back
2:06.25
274 Alan Smiley 2:06.87 10 B: 1:40.69 (+26.18s | 20.6%) Rocky Mountain Rapids 02/13/2026 2026 CO Rapids Championship Kick Off
50 Back
1:03.46
1:03.46
100 Back
1:03.41
2:06.87
100 Back
2:06.87
275 Brant Davis 2:07.68 6 B: 1:40.69 (+26.99s | 21.1%) Pueblo County Swim Team 05/03/2025 2025 CO Falfins SC Series #2
50 Back
1:00.21
1:00.21
100 Back
1:07.47
2:07.68
100 Back
2:07.68
276 Reid Rector 2:08.84 7 B: 1:40.69 (+28.15s | 21.8%) Falfins Swimming 12/19/2025 2025 CO Falfins Holiday Open
50 Back
1:07.31
1:07.31
100 Back
1:01.53
2:08.84
100 Back
2:08.84
277 Jackson Zhang 2:09.95 8 B: 1:40.69 (+29.26s | 22.5%) Fort Collins Area Swim Team 12/12/2025 2025 CO FAST Bill Spahn Mid Season Finale
50 Back
1:02.48
1:02.48
100 Back
1:07.47
2:09.95
100 Back
2:09.95
278 Edward Merpi 2:10.32 7 B: 1:40.69 (+29.63s | 22.7%) Aces Swim Club 12/27/2025 2025 CO ACES Intra Squad Distance Meet
50 Back
1:01.44
1:01.44
100 Back
1:08.88
2:10.32
100 Back
2:10.32
279 Alexander Hector 2:10.40 9 B: 1:40.69 (+29.71s | 22.8%) Front Range Barracudas 01/16/2026 2026 CO CUDA Classic
50 Back
1:03.35
1:03.35
100 Back
1:07.05
2:10.40
100 Back
2:10.40
280 William Korell 2:10.98 8 B: 1:40.69 (+30.29s | 23.1%) Castle Rock Swimming 10/30/2024 2024 O ROCK Monster Mash
50 Back
57.59
57.59
100 Back
1:13.39
2:10.98
100 Back
2:10.98
281 Dylan Jiang 2:11.72 8 B: 1:40.69 (+31.03s | 23.6%) Fort Collins Area Swim Team 01/11/2025 2025 CO FAST Vs TOPS Dual
50 Back
1:02.63
1:02.63
100 Back
1:09.09
2:11.72
100 Back
2:11.72
282 Ezequiel Torres 2:12.29 8 B: 1:40.69 (+31.60s | 23.9%) Fort Collins Area Swim Team 01/23/2026 2026 CO FAST Winter Open
50 Back
1:05.50
1:05.50
100 Back
1:06.79
2:12.29
100 Back
2:12.29
283 Declan Preuss 2:14.13 9 B: 1:40.69 (+33.44s | 24.9%) Aces Swim Club 01/09/2026 2026 CO NJ Narwhal Invitational
50 Back
1:03.71
1:03.71
100 Back
1:10.42
2:14.13
100 Back
2:14.13
284 Asher Orourke 2:14.47 7 B: 1:40.69 (+33.78s | 25.1%) Aquawolves Swimming 02/02/2025 2025 CO AQUA Intra Squad
50 Back
1:04.83
1:04.83
100 Back
1:09.64
2:14.47
100 Back
2:14.47
285 Jack DeAngelo 2:14.56 9 B: 1:40.69 (+33.87s | 25.2%) Mission Aurora Colorado Swimmi 03/14/2025 2025 CO NJ Mile High Championships
50 Back
1:02.34
1:02.34
100 Back
1:12.22
2:14.56
100 Back
2:14.56
286 Maxwell Wyllie 2:15.38 9 B: 1:40.69 (+34.69s | 25.6%) Fort Collins Area Swim Team 03/06/2026 2026 CO NCS Winter District Championships
25 Back
31.77
31.77
50 Back
33.71
1:05.48
50 Back
1:05.48
75 Back
36.93
1:42.41
100 Back
32.97
2:15.38
50 Back
1:09.90
287 Cash Burns 2:15.66 8 B: 1:40.69 (+34.97s | 25.8%) Montrose Marlins Swim Club 01/24/2026 2026 CO Montrose Marlins Polar Plunge
50 Back
1:03.87
1:03.87
100 Back
1:11.79
2:15.66
100 Back
2:15.66
288 Lehan Smith 2:16.49 9 B: 1:40.69 (+35.80s | 26.2%) SlipStream Aquatics 03/13/2026 Mile High Championship Invitational
50 Back
1:05.16
1:05.16
100 Back
1:11.33
2:16.49
100 Back
2:16.49
289 Rory Erickson 2:17.00 10 B: 1:40.69 (+36.31s | 26.5%) Longmont Swim Club 01/09/2026 2026 CO NJ Narwhal Invitational
50 Back
1:05.72
1:05.72
100 Back
1:11.28
2:17.00
100 Back
2:17.00
290 Nash Murry 2:18.13 9 B: 1:40.69 (+37.44s | 27.1%) Evergreen Hurricanes 02/01/2025 2025 CO EVER Anthony Boettcher Memorial
291 Cian Stiff 2:19.64 8 B: 1:40.69 (+38.95s | 27.9%) Front Range Barracudas 01/17/2025 2025 CO CUDA Classic
50 Back
1:10.02
1:10.02
100 Back
1:09.62
2:19.64
100 Back
2:19.64
292 Choeyang Gyaltso 2:19.82 10 B: 1:40.69 (+39.13s | 28.0%) Montrose Marlins Swim Club 01/24/2026 2026 CO Montrose Marlins Polar Plunge
50 Back
1:06.37
1:06.37
100 Back
1:13.45
2:19.82
100 Back
2:19.82
293 Oliver Dillaman 2:21.38 9 B: 1:40.69 (+40.69s | 28.8%) Aces Swim Club 02/14/2026 2026 CO ACES Winter Open
50 Back
1:08.09
1:08.09
100 Back
1:13.29
2:21.38
100 Back
2:21.38
294 Logan Dobbs 2:21.83 8 B: 1:40.69 (+41.14s | 29.0%) Falfins Swimming 12/19/2025 2025 CO Falfins Holiday Open
50 Back
1:08.85
1:08.85
100 Back
1:12.98
2:21.83
100 Back
2:21.83
295 Colin Smiley 2:26.14 8 B: 1:40.69 (+45.45s | 31.1%) Rocky Mountain Rapids 02/13/2026 2026 CO Rapids Championship Kick Off
50 Back
1:12.48
1:12.48
100 Back
1:13.66
2:26.14
100 Back
2:26.14
296 Pradyun Sathishkumar 2:26.26 9 B: 1:40.69 (+45.57s | 31.2%) Highlands Ranch Aquatics 01/31/2026 2026 CO HRA SBL Distance Meet
297 Felix Olsen 2:30.95 9 B: 1:40.69 (+50.26s | 33.3%) Fort Collins Area Swim Team 12/13/2024 2024 CO FAST Bill Spahn Mid Season Finale
25 Back
33.46
33.46
50 Back
35.09
1:08.55
50 Back
1:08.55
75 Back
41.30
1:49.85
100 Back
41.10
2:30.95
50 Back
1:22.40
298 Maxim Yonkov 2:32.05 8 B: 1:40.69 (+51.36s | 33.8%) Evergreen Hurricanes 02/01/2025 2025 CO EVER Anthony Boettcher Memorial
50 Back
1:13.02
1:13.02
100 Back
1:19.02
2:32.04
100 Back
2:32.04
299 Cullen McGuire 2:33.58 7 B: 1:40.69 (+52.89s | 34.4%) Evergreen Hurricanes 01/31/2026 2026 CO Anthony Boettcher Nate Rothman Memori
50 Back
1:10.95
1:10.95
100 Back
1:22.63
2:33.58
100 Back
2:33.58
300 Sebastian Selck 2:41.63 8 B: 1:40.69 (+60.94s | 37.7%) Boulder Swim Team 02/13/2026 2026 CO NJ Groundhog Invite
50 Back
1:18.14
1:18.14
100 Back
1:23.49
2:41.63
100 Back
2:41.63

Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.