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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 7 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
601 Bib 177 US M50-54 53 43:02 6:59 2:47:55 5:32 2:12:04 5:55:32
602 Bib 245 US M30-34 60 45:39 6:51 2:49:52 4:11 2:09:07 5:55:39
603 Bib 983 US F40-44 26 43:53 3:10 2:55:31 2:10 2:10:57 5:55:41
604 Bib 663 US F50-54 12 44:38 4:21 2:59:55 2:49 2:04:08 5:55:50
605 Bib 1580 US M35-39 60 44:08 6:09 2:52:57 6:18 2:06:21 5:55:53
606 Bib 270 US M50-54 54 33:45 3:04 2:58:21 2:33 2:18:13 5:55:55
607 Bib 1214 US M30-34 61 29:53 4:38 3:11:02 2:50 2:07:33 5:55:56
608 Bib 411 US F55-59 8 39:29 4:15 2:57:12 3:29 2:11:36 5:56:01
608 Bib 488 US M50-54 55 40:00 6:41 2:56:20 3:43 2:09:18 5:56:01
610 Bib 1508 US M50-54 56 47:07 7:19 2:53:00 4:49 2:03:47 5:56:02
611 Bib 934 US M30-34 62 43:52 5:41 2:54:10 3:08 2:09:38 5:56:29
612 Bib 593 US M35-39 61 40:48 6:36 3:03:09 5:23 2:00:44 5:56:39
613 Bib 1275 MX F35-39 24 40:27 7:15 2:51:35 3:30 2:14:18 5:57:05
613 Bib 1432 US M18-24 16 46:40 5:11 2:46:09 5:14 2:13:51 5:57:05
615 Bib 1211 US M40-44 67 52:22 4:25 2:46:29 3:09 2:10:43 5:57:08
616 Bib 491 US F25-29 19 41:07 5:30 3:03:09 3:56 2:03:30 5:57:13
617 Bib 587 US F40-44 27 34:27 3:12 2:55:36 2:56 2:21:08 5:57:20
617 Bib 594 US M35-39 62 53:12 6:26 2:53:27 5:57 1:58:19 5:57:20
617 Bib 687 US F45-49 22 33:29 5:10 3:09:37 3:04 2:06:00 5:57:20
620 Bib 1119 US M50-54 57 37:12 5:00 2:49:39 3:18 2:22:18 5:57:27
621 Bib 173 US M25-29 60 33:32 4:46 2:50:09 4:25 2:24:38 5:57:30
622 Bib 109 US M55-59 32 35:47 4:04 2:49:28 2:36 2:25:37 5:57:32
623 Bib 1375 US M45-49 51 35:14 4:08 3:04:23 2:59 2:10:51 5:57:35
624 Bib 551 US M35-39 63 41:53 6:52 2:58:18 4:06 2:06:30 5:57:40
625 Bib 1312 US M35-39 64 40:40 4:44 2:54:04 5:03 2:13:10 5:57:41
625 Bib 490 PF M60-64 12 42:36 6:05 2:52:39 2:56 2:13:25 5:57:41
627 Bib 1260 US M50-54 58 41:12 6:49 2:59:20 3:56 2:06:35 5:57:52
627 Bib 376 US M45-49 52 50:15 5:06 2:45:47 5:19 2:11:25 5:57:52
627 Bib 716 US M35-39 65 48:27 3:39 2:51:06 3:01 2:11:38 5:57:52
630 Bib 473 US M25-29 61 38:35 3:46 2:54:52 3:03 2:17:39 5:57:55
631 Bib 256 US M30-34 63 37:59 7:16 2:50:05 3:35 2:19:04 5:57:58
632 Bib 1328 US M45-49 53 35:25 4:33 3:00:02 4:50 2:13:18 5:58:08
633 Bib 1492 US M50-54 59 37:22 3:39 2:53:00 2:06 2:22:03 5:58:10
634 Bib 203 US F30-34 29 39:35 4:06 2:43:00 3:32 2:27:57 5:58:11
635 Bib 997 US F60-64 6 29:41 3:38 2:56:20 2:52 2:25:54 5:58:25
636 Bib 721 US M30-34 64 42:03 4:43 3:03:34 4:09 2:04:17 5:58:47
637 Bib 453 US M25-29 62 38:59 6:45 3:04:52 2:40 2:05:33 5:58:48
638 Bib 1005 US F45-49 23 40:36 3:34 2:58:31 3:26 2:12:42 5:58:49
639 Bib 428 US F50-54 13 42:19 4:09 3:03:17 3:30 2:05:45 5:58:59
640 Bib 1128 US M40-44 68 45:40 4:07 2:55:34 4:31 2:09:20 5:59:12
641 Bib 424 US M45-49 54 49:51 3:15 2:41:00 4:15 2:20:53 5:59:14
642 Bib 951 US F25-29 20 37:52 2:54 2:59:35 3:29 2:15:27 5:59:17
643 Bib 234 US M55-59 33 55:19 4:08 2:57:24 3:17 1:59:22 5:59:31
644 Bib 626 US M25-29 63 41:48 5:48 3:15:14 3:40 1:53:08 5:59:38
645 Bib 929 US M40-44 69 37:24 3:48 3:01:08 3:31 2:14:01 5:59:52
646 Bib 1283 US F50-54 14 42:24 4:13 3:01:44 2:53 2:08:41 5:59:55
647 Bib 1367 US M40-44 70 38:04 5:13 2:49:56 3:35 2:23:12 5:59:59
648 Bib 625 MX M35-39 66 40:43 8:34 2:52:54 2:02 2:15:56 6:00:09
649 Bib 448 US F30-34 30 42:31 4:15 3:23:07 4:02 1:46:17 6:00:11
650 Bib 196 US M70-74 1 47:45 4:11 2:57:34 5:09 2:05:49 6:00:28
651 Bib 233 US F40-44 28 46:56 3:07 2:55:36 3:06 2:11:49 6:00:34
652 Bib 981 US M55-59 34 37:14 5:27 2:44:04 2:48 2:31:07 6:00:41
653 Bib 1287 RU F30-34 31 40:37 2:47 2:55:20 5:48 2:16:13 6:00:45
654 Bib 1061 US F40-44 29 41:20 5:19 2:55:05 2:52 2:16:20 6:00:56
655 Bib 1489 US M35-39 67 38:14 5:30 3:03:40 3:35 2:10:17 6:01:16
656 Bib 830 US M60-64 13 37:01 3:32 2:53:21 3:37 2:23:48 6:01:18
657 Bib 1457 US M30-34 65 35:42 4:46 2:49:05 3:11 2:29:01 6:01:45
658 Bib 1159 US F25-29 21 35:44 3:46 3:10:24 4:01 2:07:53 6:01:48
659 Bib 1575 US M25-29 64 39:45 12:16 2:54:44 9:57 2:05:12 6:01:54
660 Bib 229 US M65-69 6 37:38 3:53 2:40:01 2:30 2:37:55 6:01:57
661 Bib 705 US M35-39 68 42:45 5:20 2:47:33 5:15 2:21:07 6:01:59
662 Bib 1551 US F25-29 22 35:09 1:15 2:47:01 1:40 2:37:05 6:02:10
663 Bib 388 US M45-49 55 48:02 4:53 2:58:50 3:49 2:06:38 6:02:13
664 Bib 749 US F35-39 25 33:04 5:17 3:05:04 5:38 2:13:25 6:02:29
665 Bib 768 US M60-64 14 47:00 7:33 2:53:31 3:17 2:11:20 6:02:41
666 Bib 1290 US M30-34 66 34:56 4:29 3:02:21 3:35 2:17:28 6:02:49
667 Bib 745 US F30-34 32 38:24 2:41 3:07:02 2:15 2:12:34 6:02:56
668 Bib 930 US M40-44 71 45:42 5:04 2:50:32 2:50 2:18:50 6:02:57
669 Bib 1079 US M40-44 72 43:40 3:05 2:54:44 1:35 2:20:05 6:03:09
670 Bib 665 US F35-39 26 43:58 4:40 3:13:14 3:14 1:58:04 6:03:11
671 Bib 1473 US F40-44 30 42:28 5:18 3:13:41 4:31 1:57:18 6:03:17
672 Bib 314 US M35-39 69 41:10 6:46 2:56:50 8:13 2:10:20 6:03:18
673 Bib 982 CA M60-64 15 41:32 4:18 2:49:47 3:22 2:24:20 6:03:19
674 Bib 1258 US M50-54 60 34:42 5:29 2:53:01 3:29 2:26:43 6:03:24
675 Bib 774 AU M50-54 61 38:03 6:45 2:49:35 7:49 2:21:16 6:03:29
676 Bib 340 US M35-39 70 1:02:05 5:12 2:59:07 3:04 1:54:09 6:03:35
677 Bib 144 US M55-59 35 43:48 5:31 2:53:16 3:19 2:17:51 6:03:46
678 Bib 608 US M40-44 73 39:16 4:29 3:03:55 1:52 2:14:18 6:03:50
679 Bib 1270 US F25-29 23 36:10 3:45 3:14:32 4:06 2:05:17 6:03:51
680 Bib 1319 US M50-54 62 42:29 3:44 2:49:32 4:07 2:24:07 6:03:58
681 Bib 1456 US F35-39 27 38:15 3:53 3:03:00 2:24 2:16:37 6:04:08
682 Bib 789 US M55-59 36 46:36 4:09 2:51:42 4:12 2:17:29 6:04:09
683 Bib 839 US M30-34 67 50:51 4:07 2:45:38 2:21 2:21:20 6:04:17
684 Bib 968 BR M45-49 56 50:11 7:23 2:58:52 5:33 2:02:28 6:04:27
685 Bib 563 US F30-34 33 34:19 2:52 3:12:22 3:14 2:11:44 6:04:31
686 Bib 1495 US M45-49 57 43:36 6:06 2:59:50 4:22 2:10:41 6:04:35
687 Bib 832 US M45-49 58 42:05 5:13 2:41:41 3:57 2:31:49 6:04:45
688 Bib 1028 US M35-39 71 39:06 3:50 3:09:43 3:10 2:09:02 6:04:51
689 Bib 1130 US M50-54 63 46:35 4:32 2:54:39 4:28 2:14:43 6:04:58
690 Bib 1206 US M55-59 37 36:02 3:27 2:59:22 4:18 2:21:57 6:05:05
691 Bib 1366 ZA M30-34 68 39:49 9:35 2:59:22 7:40 2:08:42 6:05:09
692 Bib 1567 US M40-44 74 40:20 6:47 2:51:09 3:54 2:23:22 6:05:31
693 Bib 201 US M35-39 72 48:28 4:03 2:54:38 7:04 2:11:19 6:05:33
694 Bib 159 US F45-49 24 39:14 3:35 2:46:23 3:11 2:33:16 6:05:40
695 Bib 194 US F30-34 34 39:29 8:11 2:49:06 4:46 2:24:12 6:05:43
696 Bib 441 US M45-49 59 35:59 3:39 2:46:55 4:10 2:35:33 6:06:16
697 Bib 1184 US M35-39 73 38:33 4:36 3:00:36 3:06 2:19:36 6:06:27
698 Bib 208 US F45-49 25 43:44 3:33 2:56:44 5:41 2:16:51 6:06:33
699 Bib 1315 CA M55-59 38 43:09 5:09 2:59:08 4:03 2:15:10 6:06:39
700 Bib 244 US F50-54 15 42:49 4:48 3:10:40 3:10 2:05:13 6:06:41

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