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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 6 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
501 Bib 403 US M40-44 61 39:03 3:55 2:45:08 2:24 2:14:05 5:44:34
502 Bib 1059 US F35-39 17 40:20 4:59 3:02:17 4:22 1:52:42 5:44:40
503 Bib 1606 US M25-29 51 35:26 4:19 2:47:06 2:23 2:15:31 5:44:45
504 Bib 962 US F50-54 7 38:00 3:59 2:48:41 2:30 2:11:43 5:44:53
505 Bib 442 US M50-54 44 38:36 4:13 2:43:21 2:14 2:16:36 5:45:00
506 Bib 1427 US M65-69 4 40:38 4:54 2:53:11 3:16 2:03:04 5:45:04
507 Bib 1529 US M60-64 10 35:38 4:05 2:40:56 4:10 2:20:18 5:45:07
508 Bib 1164 US M50-54 45 39:40 5:14 2:44:14 4:14 2:12:08 5:45:31
509 Bib 524 US F60-64 3 41:40 5:09 2:52:23 2:10 2:04:11 5:45:32
510 Bib 722 US M45-49 44 39:34 4:45 2:47:52 4:50 2:08:34 5:45:35
511 Bib 514 US M25-29 52 36:24 4:13 2:49:34 2:49 2:12:36 5:45:36
512 Bib 910 US M25-29 53 37:24 4:18 2:51:31 3:00 2:09:28 5:45:41
513 Bib 1343 US M30-34 48 43:37 4:30 2:40:10 3:08 2:14:17 5:45:43
514 Bib 852 US M35-39 54 47:21 8:17 3:03:43 3:26 1:43:05 5:45:52
515 Bib 990 US F50-54 8 43:05 3:12 2:41:29 2:53 2:15:21 5:46:00
516 Bib 991 US M30-34 49 39:44 16:33 2:55:53 12:52 1:41:01 5:46:03
517 Bib 1110 US F40-44 24 37:29 4:10 3:03:55 2:15 1:58:19 5:46:08
518 Bib 1453 US M30-34 50 36:17 5:20 2:53:26 4:06 2:07:14 5:46:23
519 Bib 1325 US M50-54 46 44:18 4:55 2:41:59 4:36 2:10:51 5:46:39
520 Bib 633 US M18-24 15 29:36 2:24 2:53:22 1:48 2:19:42 5:46:52
521 Bib 433 US F50-54 9 37:32 4:38 2:49:02 4:43 2:11:17 5:47:11
522 Bib 577 US F35-39 18 39:25 2:17 2:59:27 3:46 2:02:23 5:47:18
523 Bib 652 AU M50-54 47 43:00 6:24 2:46:43 3:36 2:07:36 5:47:20
524 Bib 1239 US F45-49 18 44:44 6:36 2:50:56 5:02 2:00:16 5:47:35
525 Bib 1207 US F30-34 21 39:12 6:10 2:44:31 3:44 2:14:15 5:47:52
526 Bib 820 US M30-34 51 35:25 3:20 2:52:47 1:37 2:14:46 5:47:55
527 Bib 397 US F45-49 19 39:44 6:48 2:49:59 3:57 2:07:27 5:47:56
527 Bib 462 US F25-29 13 45:18 3:00 2:59:43 2:28 1:57:26 5:47:56
529 Bib 1117 US F35-39 19 44:02 3:06 3:09:20 3:32 1:48:02 5:48:02
529 Bib 584 US M55-59 26 40:10 9:17 2:53:59 4:10 2:00:26 5:48:02
531 Bib 603 MX M30-34 52 37:42 6:37 2:53:34 3:47 2:06:33 5:48:13
531 Bib 735 US M40-44 62 47:59 4:21 2:57:22 2:31 1:56:00 5:48:13
533 Bib 904 US M25-29 54 37:17 3:40 2:54:28 2:25 2:10:34 5:48:24
534 Bib 1167 US M25-29 55 44:57 5:38 3:05:44 4:00 1:48:18 5:48:36
535 Bib 772 US M30-34 53 46:28 5:01 2:53:53 3:07 2:00:21 5:48:50
536 Bib 622 US F30-34 22 34:36 4:03 2:50:11 2:35 2:17:29 5:48:55
537 Bib 335 US M55-59 27 45:38 4:51 2:48:28 4:34 2:05:36 5:49:06
538 Bib 677 MX F25-29 14 36:01 2:54 2:54:03 1:47 2:14:25 5:49:10
539 Bib 755 CL M30-34 54 38:28 2:20 2:50:44 2:36 2:15:04 5:49:12
540 Bib 1589 US M25-29 56 48:40 4:22 2:42:41 3:08 2:10:24 5:49:14
541 Bib 1112 US F40-44 25 43:38 5:21 3:15:47 2:11 1:43:00 5:49:57
541 Bib 1613 US F30-34 23 37:35 4:53 3:03:20 3:24 2:00:45 5:49:57
543 Bib 1390 US F30-34 24 47:12 4:34 3:02:54 5:47 1:49:36 5:50:03
544 Bib 166 US M40-44 63 46:24 6:08 2:52:49 4:29 2:00:16 5:50:06
545 Bib 1401 US M55-59 28 44:58 4:37 3:00:38 2:24 1:57:31 5:50:07
546 Bib 595 US M55-59 29 34:46 3:13 3:08:14 3:11 2:00:45 5:50:09
547 Bib 1077 US F30-34 25 38:30 2:51 2:57:37 2:41 2:09:04 5:50:43
548 Bib 914 US M45-49 45 53:23 4:13 2:44:25 5:09 2:03:35 5:50:45
549 Bib 1154 US F55-59 4 46:59 2:51 2:52:04 2:01 2:06:54 5:50:49
549 Bib 1614 US F25-29 15 36:57 4:23 2:57:02 4:59 2:07:27 5:50:49
551 Bib 872 US F50-54 10 49:28 4:26 2:51:38 4:22 2:01:00 5:50:55
552 Bib 465 US F50-54 11 42:42 3:53 2:46:06 3:17 2:15:09 5:51:06
553 Bib 1094 US M45-49 46 35:38 4:36 2:52:39 3:04 2:15:17 5:51:14
553 Bib 1268 US F25-29 16 35:12 2:51 2:56:17 2:06 2:14:49 5:51:14
555 Bib 658 US M50-54 48 38:55 3:55 2:53:01 3:06 2:12:18 5:51:16
556 Bib 1593 US M30-34 55 43:32 5:20 2:51:59 2:21 2:08:17 5:51:29
556 Bib 263 CA F35-39 20 46:25 2:49 2:47:50 1:58 2:12:27 5:51:29
558 Bib 1503 US M45-49 47 43:05 6:17 2:53:11 3:10 2:05:48 5:51:31
559 Bib 902 US M65-69 5 42:04 4:36 3:01:19 3:43 1:59:51 5:51:32
560 Bib 304 US M30-34 56 48:09 3:38 2:43:23 3:22 2:13:09 5:51:42
561 Bib 1037 US F25-29 17 27:04 2:10 3:06:03 4:57 2:11:31 5:51:46
562 Bib 1433 US M60-64 11 42:51 5:06 2:58:21 3:42 2:01:58 5:51:57
563 Bib 250 US M30-34 57 45:47 4:14 2:49:40 3:43 2:08:46 5:52:10
564 Bib 529 US F35-39 21 38:00 4:23 3:06:07 4:13 1:59:32 5:52:14
565 Bib 1023 US F30-34 26 33:32 2:59 3:02:26 2:21 2:11:03 5:52:21
566 Bib 865 US M50-54 49 39:12 4:09 2:45:02 3:41 2:20:25 5:52:30
567 Bib 1416 US M25-29 57 28:25 5:16 2:59:07 3:28 2:16:19 5:52:35
568 Bib 1143 US M50-54 50 34:38 3:44 2:52:03 3:46 2:18:33 5:52:44
569 Bib 421 US M40-44 64 43:06 3:22 2:47:22 4:34 2:14:32 5:52:56
570 Bib 845 US F60-64 4 37:39 6:30 2:54:03 4:07 2:10:51 5:53:10
571 Bib 167 US F45-49 20 43:59 5:40 2:48:39 5:17 2:09:44 5:53:19
572 Bib 948 US M55-59 30 40:49 5:53 2:47:21 4:11 2:15:14 5:53:28
573 Bib 1359 US M30-34 58 43:18 5:38 2:54:12 4:24 2:05:58 5:53:30
574 Bib 468 US F55-59 5 43:48 2:22 2:51:31 1:53 2:14:01 5:53:35
575 Bib 395 US M40-44 65 38:32 4:22 2:48:55 3:31 2:18:21 5:53:41
576 Bib 898 US M25-29 58 37:59 4:49 2:54:10 4:50 2:11:56 5:53:45
577 Bib 1282 US F35-39 22 43:09 4:50 3:02:48 4:44 1:58:18 5:53:49
578 Bib 1151 US M45-49 48 37:47 3:58 2:35:57 5:47 2:30:23 5:53:52
579 Bib 198 US F55-59 6 38:18 3:51 2:56:41 4:37 2:10:32 5:54:00
580 Bib 679 US F55-59 7 44:25 5:26 2:50:58 2:57 2:10:14 5:54:01
581 Bib 651 US F18-24 4 37:10 4:32 2:49:23 2:23 2:20:36 5:54:03
582 Bib 781 US M50-54 51 43:17 5:55 2:56:50 4:06 2:03:57 5:54:05
583 Bib 1010 US F35-39 23 40:05 7:04 3:06:30 5:21 1:55:18 5:54:19
584 Bib 1619 US F30-34 27 45:53 6:21 2:56:17 4:44 2:01:07 5:54:22
585 Bib 1348 US F45-49 21 34:43 4:06 2:52:10 3:29 2:19:56 5:54:24
586 Bib 459 US F30-34 28 37:35 2:48 2:53:41 2:52 2:17:37 5:54:33
587 Bib 733 US M35-39 55 36:52 4:40 2:45:08 4:37 2:23:17 5:54:34
588 Bib 824 US M55-59 31 31:16 3:43 2:49:36 4:10 2:25:53 5:54:38
589 Bib 212 US M40-44 66 37:27 2:59 2:56:09 4:00 2:14:07 5:54:42
590 Bib 1506 US M35-39 56 38:28 3:23 3:01:37 4:01 2:07:17 5:54:45
591 Bib 1376 US M30-34 59 38:35 6:34 2:46:18 6:29 2:16:49 5:54:46
592 Bib 1044 US M45-49 49 30:40 2:54 2:53:34 3:37 2:24:16 5:55:00
593 Bib 1060 US F25-29 18 28:58 3:14 3:04:47 4:10 2:14:00 5:55:10
594 Bib 1003 US M50-54 52 34:59 5:12 2:54:05 3:39 2:17:20 5:55:15
595 Bib 135 US F60-64 5 38:45 2:19 2:55:57 4:52 2:13:22 5:55:16
596 Bib 308 US M35-39 57 37:56 3:06 2:53:19 4:39 2:16:16 5:55:17
597 Bib 1251 US M35-39 58 51:27 5:36 3:00:16 2:34 1:55:29 5:55:23
597 Bib 1257 US M35-39 58 46:29 2:52 2:51:23 2:38 2:12:01 5:55:23
599 Bib 737 US M45-49 50 49:52 4:48 2:52:18 3:25 2:05:04 5:55:26
600 Bib 1158 US M25-29 59 50:09 4:41 2:53:54 5:55 2:00:47 5:55:27

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