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IRONMAN 70.3

IRONMAN 70.3 Boulder 2021

1.931 km swim · 90.1263 km bike · 21.0824 km run

Official results Age-group thresholds All editions
Finishers
1,428
105 did not finish or were disqualified
Best swim
24:40
1.931 km
Best bike
1:54:50
90.1263 km
Best run
1:12:01
21.0824 km
Men's podium
  1. 1 Bib 2US · MPRO 3:37:35
  2. 2 Bib 3AU · MPRO 3:41:00
  3. 3 Bib 6US · MPRO 3:43:05
Women's podium
  1. 1 Bib 53GB · FPRO 3:59:54
  2. 2 Bib 78US · FPRO 4:02:20
  3. 3 Bib 56US · FPRO 4:02:32

1,568 results · page 3 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
201 Bib 1491 US M50-54 16 32:35 2:34 2:25:33 3:42 1:59:48 5:04:12
202 Bib 1442 US F45-49 4 34:41 2:10 2:40:32 1:17 1:45:37 5:04:17
203 Bib 989 US M40-44 23 36:49 3:23 2:33:11 1:46 1:49:21 5:04:30
204 Bib 1435 IE M35-39 26 38:56 2:06 2:32:34 4:40 1:46:33 5:04:49
205 Bib 947 US M35-39 27 36:07 4:11 2:44:35 2:43 1:37:24 5:05:01
206 Bib 1572 US M25-29 18 38:25 3:57 2:37:22 3:48 1:41:50 5:05:22
207 Bib 669 CA M45-49 18 38:52 2:52 2:41:17 3:28 1:39:03 5:05:32
208 Bib 1443 US M55-59 6 34:10 4:25 2:34:25 2:59 1:49:51 5:05:49
209 Bib 831 US M18-24 7 29:09 1:14 2:30:44 1:25 2:03:19 5:05:50
210 Bib 1153 US M30-34 21 41:56 5:48 2:37:09 3:44 1:37:25 5:06:01
211 Bib 1609 US M45-49 19 32:15 2:39 2:36:32 2:44 1:52:09 5:06:19
212 Bib 227 US F35-39 6 33:25 2:34 2:40:08 3:13 1:47:14 5:06:34
213 Bib 1161 US M60-64 2 32:40 3:52 2:33:29 2:32 1:54:17 5:06:51
214 Bib 1558 US M45-49 20 29:43 2:17 2:33:26 3:15 1:58:11 5:06:53
215 Bib 1146 US M30-34 22 31:02 2:23 2:33:41 1:47 1:58:13 5:07:06
216 Bib 1356 US M40-44 24 37:24 3:20 2:29:15 1:49 1:55:22 5:07:11
217 Bib 418 PL F40-44 5 34:45 1:54 2:32:12 1:34 1:56:48 5:07:12
218 Bib 1449 US F35-39 7 36:39 2:28 2:41:13 1:44 1:45:40 5:07:44
218 Bib 528 US M40-44 25 35:25 2:56 2:34:03 1:55 1:53:25 5:07:44
220 Bib 664 US M55-59 7 33:59 3:16 2:39:07 1:54 1:49:44 5:08:01
221 Bib 888 US M40-44 26 35:43 2:57 2:38:37 2:58 1:47:49 5:08:04
222 Bib 670 US F25-29 4 30:58 1:52 2:44:39 1:49 1:48:49 5:08:07
223 Bib 231 MX M40-44 27 45:00 3:09 2:29:43 2:33 1:47:44 5:08:08
224 Bib 1220 IL M55-59 8 40:19 2:35 2:30:53 3:16 1:51:20 5:08:22
225 Bib 1617 US M18-24 8 35:58 4:23 2:41:14 2:52 1:44:01 5:08:29
226 Bib 1520 US M55-59 9 29:37 3:15 2:41:21 2:47 1:51:32 5:08:32
227 Bib 550 US M25-29 19 46:05 1:53 2:30:41 2:14 1:47:45 5:08:38
228 Bib 1138 US M40-44 28 36:01 4:06 2:31:26 2:24 1:55:15 5:09:11
229 Bib 1483 US M35-39 28 33:18 3:05 2:35:28 2:33 1:55:02 5:09:24
230 Bib 1405 US M40-44 29 30:48 3:41 2:41:40 2:39 1:50:47 5:09:34
231 Bib 190 US F45-49 5 34:58 2:20 2:42:45 3:24 1:46:16 5:09:43
231 Bib 443 US F35-39 8 39:02 3:44 2:46:08 3:08 1:37:41 5:09:43
233 Bib 766 US M45-49 21 36:33 3:59 2:38:41 3:29 1:47:06 5:09:49
234 Bib 667 US M50-54 17 34:44 3:46 2:41:41 2:19 1:47:22 5:09:52
235 Bib 1362 US M25-29 20 33:31 2:49 2:34:16 2:40 1:56:48 5:10:05
236 Bib 1213 US M50-54 18 31:01 2:31 2:38:02 1:57 1:56:43 5:10:14
237 Bib 1137 US F25-29 5 27:57 3:04 2:40:22 2:23 1:56:29 5:10:15
237 Bib 1538 US M25-29 21 35:58 4:17 2:47:04 2:40 1:40:17 5:10:15
239 Bib 300 US M55-59 10 31:04 3:27 2:48:19 2:45 1:44:46 5:10:21
240 Bib 1175 US M40-44 30 41:12 3:58 2:37:21 3:27 1:44:28 5:10:25
241 Bib 572 US M30-34 23 35:31 2:51 2:36:36 2:26 1:53:15 5:10:39
242 Bib 756 US M25-29 22 26:39 2:21 2:41:38 2:05 1:58:01 5:10:45
243 Bib 969 US M40-44 31 36:50 3:13 2:35:49 2:27 1:52:42 5:11:01
244 Bib 1022 US M60-64 3 36:45 3:37 2:41:30 2:13 1:47:01 5:11:05
245 Bib 1170 US M40-44 32 34:43 2:45 2:36:08 1:33 1:56:20 5:11:30
246 Bib 361 US M55-59 11 32:54 3:16 2:43:49 2:58 1:48:56 5:11:53
247 Bib 1568 US M40-44 33 41:01 7:08 2:40:35 7:00 1:36:13 5:11:57
248 Bib 218 US M35-39 29 39:34 2:39 2:31:34 2:06 1:56:13 5:12:06
249 Bib 356 US M35-39 30 35:09 5:04 2:44:16 3:33 1:44:16 5:12:19
250 Bib 1546 US M30-34 24 38:15 4:47 2:34:44 3:23 1:51:23 5:12:32
251 Bib 1531 US M30-34 25 29:20 3:29 2:43:17 2:41 1:53:56 5:12:43
252 Bib 134 CA M50-54 19 33:07 2:38 2:36:15 1:41 1:59:02 5:12:44
253 Bib 427 US M40-44 34 39:26 3:08 2:37:07 3:09 1:50:08 5:12:57
254 Bib 206 US M50-54 20 42:38 2:46 2:37:14 1:41 1:48:59 5:13:17
255 Bib 998 US F45-49 6 31:23 2:34 2:39:02 3:15 1:57:06 5:13:20
256 Bib 1264 US M40-44 35 35:55 2:15 2:47:10 2:34 1:45:28 5:13:23
257 Bib 588 US M45-49 22 30:18 2:46 2:41:02 1:41 1:57:45 5:13:32
258 Bib 967 MX M35-39 31 34:06 2:42 2:44:55 2:52 1:49:00 5:13:35
259 Bib 1212 US F18-24 1 31:08 2:20 2:47:00 1:54 1:51:19 5:13:42
260 Bib 1090 US M55-59 12 38:54 2:40 2:42:35 4:10 1:45:25 5:13:45
261 Bib 549 PL F45-49 7 40:55 2:45 2:35:55 2:47 1:51:34 5:13:55
262 Bib 463 US M40-44 36 37:56 3:46 2:43:20 2:46 1:46:19 5:14:07
263 Bib 479 US F30-34 5 34:15 2:57 2:42:54 1:43 1:52:36 5:14:24
264 Bib 1198 US M65-69 1 32:02 3:03 2:45:26 2:01 1:52:03 5:14:35
265 Bib 265 US M40-44 37 31:54 3:43 2:28:58 2:11 2:07:57 5:14:42
266 Bib 653 CA M35-39 32 37:08 2:37 2:43:41 1:59 1:49:29 5:14:55
267 Bib 879 US F40-44 6 29:35 2:21 2:43:59 1:41 1:57:45 5:15:21
268 Bib 1113 US F35-39 9 33:38 2:41 2:41:42 2:03 1:55:18 5:15:23
269 Bib 1192 US M35-39 33 37:54 3:40 2:29:03 1:51 2:02:55 5:15:24
270 Bib 560 VE M35-39 34 38:01 3:27 2:35:55 2:46 1:55:15 5:15:25
271 Bib 672 US M25-29 23 35:03 3:51 2:41:33 2:26 1:52:33 5:15:26
272 Bib 1076 US M60-64 4 35:55 3:08 2:43:16 1:35 1:51:40 5:15:33
273 Bib 331 US M40-44 38 34:33 3:06 2:38:43 1:46 1:57:30 5:15:39
274 Bib 863 BR M40-44 39 40:51 1:39 2:40:00 2:06 1:51:29 5:16:06
275 Bib 232 US M40-44 40 39:36 3:22 2:40:26 1:32 1:51:23 5:16:18
276 Bib 715 US F40-44 7 42:44 3:08 2:38:32 1:40 1:50:15 5:16:19
277 Bib 620 US M25-29 24 36:55 6:03 2:52:35 2:48 1:38:15 5:16:36
278 Bib 1042 US M45-49 23 39:11 3:29 2:41:01 2:34 1:50:21 5:16:37
279 Bib 1399 US F40-44 8 36:59 2:42 2:41:39 1:36 1:53:47 5:16:42
280 Bib 1092 US F30-34 6 37:30 2:34 2:53:07 1:14 1:42:35 5:17:00
281 Bib 1043 US M45-49 24 33:49 3:16 2:43:14 2:21 1:55:05 5:17:46
282 Bib 447 US M50-54 21 32:17 3:11 2:39:21 2:48 2:00:09 5:17:47
283 Bib 662 US F40-44 9 37:34 2:59 2:39:17 2:29 1:55:35 5:17:54
284 Bib 455 MX F30-34 7 43:53 1:49 2:43:52 1:24 1:47:08 5:18:05
285 Bib 590 US M55-59 13 33:03 3:43 2:47:31 2:42 1:51:15 5:18:14
286 Bib 885 US F40-44 10 37:15 4:36 2:46:20 3:33 1:46:39 5:18:22
287 Bib 686 US M30-34 26 34:21 2:13 2:45:27 2:32 1:54:00 5:18:33
288 Bib 545 US M30-34 27 35:48 3:22 2:42:39 2:23 1:54:26 5:18:37
289 Bib 1176 US M55-59 14 35:57 4:49 2:37:52 2:58 1:57:16 5:18:52
290 Bib 214 US M50-54 22 35:58 3:39 2:44:52 2:38 1:51:49 5:18:56
291 Bib 862 US M25-29 25 35:52 4:05 2:45:48 2:16 1:50:57 5:18:57
292 Bib 1410 IT M30-34 28 38:48 6:32 2:40:26 4:58 1:48:14 5:18:59
293 Bib 1330 US M18-24 9 37:46 2:25 2:20:58 2:00 2:15:51 5:19:00
294 Bib 106 US M25-29 26 36:05 6:24 2:56:12 4:22 1:36:25 5:19:28
295 Bib 1510 GT M35-39 35 41:31 3:39 2:41:47 3:20 1:49:28 5:19:44
296 Bib 540 US M40-44 41 39:31 3:11 2:36:56 2:46 1:57:35 5:19:59
297 Bib 1155 US F40-44 11 43:51 2:41 2:43:22 2:01 1:48:06 5:20:02
298 Bib 1346 US M25-29 27 36:00 4:21 2:40:58 2:42 1:56:12 5:20:12
299 Bib 1183 ES M40-44 42 40:28 3:36 2:39:02 3:00 1:54:10 5:20:17
300 Bib 1102 MX M40-44 43 34:16 1:54 2:40:32 4:32 1:59:04 5:20:18

Anonymised data (no names, only bib and age group). Source: Seffrin et al. 2026, Zenodo, CC BY 4.0.