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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 5 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
401 Bib 413 US F35-39 15 37:23 3:24 2:59:11 2:21 1:50:11 5:32:30
402 Bib 1013 US F30-34 15 38:00 4:19 2:54:02 2:11 1:54:05 5:32:37
403 Bib 1454 US M40-44 54 43:38 2:27 2:35:23 1:29 2:09:47 5:32:44
404 Bib 690 US M50-54 34 35:09 3:10 2:36:04 3:08 2:15:16 5:32:48
405 Bib 283 US M18-24 13 40:07 4:25 2:56:33 2:46 1:49:04 5:32:55
406 Bib 601 FI M35-39 43 44:08 5:47 2:40:37 5:21 1:57:21 5:33:13
407 Bib 1579 US M35-39 44 41:26 4:31 2:38:50 3:30 2:04:58 5:33:15
408 Bib 412 US F40-44 17 35:13 4:43 2:50:57 3:07 1:59:33 5:33:33
409 Bib 205 US F40-44 18 42:50 3:44 2:51:12 3:43 1:52:07 5:33:35
410 Bib 1460 US M35-39 45 44:41 3:46 2:43:38 1:20 2:00:21 5:33:46
411 Bib 512 US M30-34 38 30:11 5:07 2:58:06 3:30 1:57:10 5:34:04
412 Bib 248 CA F45-49 11 44:56 3:03 2:47:38 2:24 1:56:10 5:34:11
413 Bib 438 US M50-54 35 40:14 4:31 2:42:51 2:42 2:04:05 5:34:23
414 Bib 172 US F45-49 12 36:53 3:03 2:40:07 1:54 2:12:35 5:34:31
415 Bib 706 US M55-59 19 36:30 2:33 2:46:36 2:44 2:06:13 5:34:36
416 Bib 1569 US F25-29 9 35:58 3:26 2:54:59 3:07 1:57:12 5:34:43
416 Bib 846 US M45-49 37 37:38 3:13 2:42:45 3:41 2:07:26 5:34:43
418 Bib 1034 US M25-29 39 34:38 3:29 2:52:04 2:10 2:02:27 5:34:47
418 Bib 913 US M45-49 38 34:37 2:56 2:41:14 2:51 2:13:08 5:34:47
420 Bib 742 US M25-29 40 35:14 2:34 2:59:27 3:28 1:54:05 5:34:48
420 Bib 833 US M35-39 46 45:08 5:19 2:41:51 2:36 1:59:53 5:34:48
422 Bib 1372 US M35-39 47 38:36 7:11 3:05:13 5:48 1:38:28 5:35:17
423 Bib 1209 US M50-54 36 33:06 5:11 2:56:39 4:12 1:56:16 5:35:23
424 Bib 269 US M30-34 39 35:40 4:13 2:44:19 3:19 2:07:52 5:35:24
425 Bib 1083 US F35-39 16 31:02 3:28 2:51:29 3:05 2:06:29 5:35:33
426 Bib 783 US M40-44 55 36:44 2:57 2:40:56 2:32 2:12:42 5:35:50
427 Bib 935 US M55-59 20 29:35 3:01 2:34:59 4:42 2:23:40 5:35:58
428 Bib 778 US M45-49 39 35:49 3:29 2:45:14 2:32 2:09:01 5:36:04
429 Bib 1326 US F30-34 16 39:27 3:15 2:49:14 3:22 2:00:56 5:36:13
430 Bib 452 US M25-29 41 43:07 4:17 2:48:01 4:00 1:56:49 5:36:14
431 Bib 405 US F60-64 2 43:06 2:01 2:44:16 1:29 2:05:27 5:36:18
432 Bib 691 US F45-49 13 42:27 3:30 2:46:24 2:50 2:01:10 5:36:21
433 Bib 1215 US M30-34 40 37:52 2:47 2:54:18 1:46 1:59:43 5:36:27
434 Bib 880 US F30-34 17 39:19 3:55 3:07:06 2:38 1:43:38 5:36:37
435 Bib 950 US M55-59 21 38:45 3:08 2:48:37 2:23 2:03:58 5:36:51
436 Bib 1091 US M50-54 37 40:29 3:17 2:47:53 5:52 1:59:27 5:36:57
436 Bib 342 US M30-34 41 35:55 4:10 2:42:41 3:33 2:10:38 5:36:57
438 Bib 829 US F45-49 14 40:45 2:45 2:49:06 2:08 2:02:26 5:37:10
439 Bib 828 US F55-59 3 43:27 3:26 2:52:51 3:06 1:54:22 5:37:11
439 Bib 868 PS M45-49 40 32:58 4:11 2:50:19 2:51 2:06:50 5:37:11
439 Bib 908 US F25-29 10 35:17 2:52 2:47:18 3:04 2:08:40 5:37:11
442 Bib 642 CA F45-49 15 42:05 5:00 2:49:09 5:22 1:55:41 5:37:16
443 Bib 1227 US M35-39 48 39:32 3:55 2:36:00 4:15 2:13:38 5:37:20
444 Bib 627 US M25-29 42 40:57 5:34 2:47:15 2:39 2:00:56 5:37:21
445 Bib 1440 US F40-44 19 43:36 5:01 2:54:11 4:34 1:50:11 5:37:33
446 Bib 1174 US F25-29 11 31:58 4:25 2:56:38 4:08 2:00:43 5:37:52
447 Bib 1554 US M25-29 43 32:16 3:12 2:50:10 3:50 2:08:31 5:37:58
448 Bib 1085 US M40-44 56 34:48 4:14 2:52:16 3:20 2:03:37 5:38:15
449 Bib 916 US M40-44 57 39:16 5:43 2:52:11 3:53 1:57:37 5:38:40
450 Bib 430 US F40-44 20 48:13 3:57 2:41:05 3:45 2:01:46 5:38:46
451 Bib 600 US M25-29 44 40:45 6:30 2:42:14 3:56 2:05:24 5:38:48
452 Bib 522 US M55-59 22 46:40 3:10 2:41:58 2:27 2:04:47 5:39:02
453 Bib 1550 ZA F30-34 18 41:52 3:16 2:57:23 3:00 1:53:37 5:39:08
454 Bib 377 US M60-64 8 37:38 5:33 2:41:16 2:42 2:11:59 5:39:09
455 Bib 1592 US F18-24 3 33:44 3:26 2:59:29 2:23 2:00:11 5:39:13
456 Bib 294 US M40-44 58 37:41 4:23 2:54:16 2:41 2:00:14 5:39:15
457 Bib 895 US M25-29 45 41:19 3:16 2:52:35 1:31 2:00:40 5:39:21
458 Bib 1136 MX M35-39 49 40:02 5:01 2:56:40 3:59 1:53:42 5:39:23
459 Bib 219 US F40-44 21 39:38 3:05 2:52:54 2:09 2:01:39 5:39:24
460 Bib 1210 US M50-54 38 41:40 3:09 2:49:02 2:47 2:02:50 5:39:27
461 Bib 680 US M55-59 23 53:29 2:42 2:32:42 3:13 2:07:23 5:39:29
462 Bib 1393 US M45-49 41 37:53 4:20 2:47:23 3:32 2:06:36 5:39:43
463 Bib 1588 US M25-29 46 40:03 4:51 2:43:02 4:04 2:07:49 5:39:49
464 Bib 647 US M50-54 39 37:23 4:27 2:47:06 3:46 2:07:14 5:39:56
465 Bib 984 US M65-69 3 38:19 3:11 2:53:21 3:18 2:01:54 5:40:03
466 Bib 1556 US M30-34 42 42:15 3:17 2:47:17 2:21 2:04:57 5:40:07
466 Bib 546 US M35-39 50 40:26 1:49 2:58:16 1:41 1:57:56 5:40:07
468 Bib 656 US F50-54 5 39:24 2:49 2:46:16 2:59 2:08:57 5:40:26
468 Bib 900 US M55-59 24 34:20 6:39 2:45:26 3:25 2:10:36 5:40:26
470 Bib 804 US M50-54 40 38:41 2:35 2:42:10 2:14 2:14:50 5:40:30
471 Bib 511 US M40-44 59 47:09 7:26 2:45:13 5:12 1:55:37 5:40:36
472 Bib 614 US M18-24 14 35:36 5:20 2:52:13 3:43 2:03:46 5:40:38
473 Bib 1363 US M30-34 43 42:39 5:35 2:48:22 3:46 2:00:47 5:41:10
474 Bib 826 US M30-34 44 43:30 4:44 2:40:05 3:33 2:09:21 5:41:13
475 Bib 503 US M30-34 45 38:01 3:30 2:51:45 4:15 2:04:03 5:41:34
476 Bib 583 US F45-49 16 38:19 2:49 2:42:28 1:37 2:16:22 5:41:35
477 Bib 1071 US M35-39 51 37:57 4:19 2:46:27 4:20 2:08:33 5:41:36
478 Bib 726 US F40-44 22 32:06 3:24 2:49:41 3:23 2:13:05 5:41:39
479 Bib 1181 US F30-34 19 44:48 3:57 2:45:36 1:58 2:05:25 5:41:43
480 Bib 1502 US M30-34 46 40:48 3:37 2:38:42 4:19 2:14:21 5:41:48
481 Bib 857 US M35-39 52 38:06 3:30 2:43:07 3:00 2:14:08 5:41:52
482 Bib 574 US M45-49 42 38:53 4:04 2:56:21 3:39 1:59:04 5:42:01
483 Bib 357 CA M40-44 60 33:22 4:03 2:48:26 3:21 2:12:57 5:42:08
484 Bib 786 US M50-54 41 38:51 3:39 2:44:18 2:57 2:12:25 5:42:10
485 Bib 489 US F30-34 20 28:37 3:51 3:11:16 3:58 1:54:37 5:42:19
486 Bib 1147 US M50-54 42 39:31 3:51 2:47:03 2:31 2:09:37 5:42:34
486 Bib 649 US M25-29 47 37:16 9:23 3:00:04 5:21 1:50:29 5:42:34
486 Bib 657 US M25-29 47 42:55 4:26 2:52:27 5:18 1:57:27 5:42:34
489 Bib 480 US M35-39 53 39:41 4:47 2:51:53 4:23 2:02:13 5:42:56
490 Bib 1331 US M30-34 47 40:11 3:37 2:50:41 3:01 2:05:38 5:43:07
491 Bib 973 US M60-64 9 35:35 3:31 2:43:41 2:50 2:17:32 5:43:08
492 Bib 355 VE M25-29 49 31:44 3:38 2:28:16 1:50 2:37:48 5:43:16
493 Bib 1597 US F25-29 12 37:27 5:34 3:01:47 5:57 1:52:34 5:43:19
493 Bib 429 US M55-59 25 40:08 3:21 2:55:05 2:06 2:02:39 5:43:19
495 Bib 958 US M50-54 43 34:37 2:19 2:42:14 2:16 2:22:01 5:43:26
496 Bib 639 US M45-49 43 34:34 5:07 2:51:25 4:52 2:07:41 5:43:39
497 Bib 654 AU F45-49 17 32:46 2:34 2:56:36 2:24 2:09:29 5:43:48
498 Bib 146 US F50-54 6 37:12 2:25 2:56:45 1:18 2:06:27 5:44:07
499 Bib 710 US M25-29 50 41:59 4:01 2:53:18 2:00 2:02:58 5:44:15
500 Bib 1480 US F40-44 23 35:35 2:53 2:56:07 3:46 2:05:58 5:44:19

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