smilzo
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 8 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
701 Bib 788 US F45-49 26 47:37 4:38 2:58:56 3:37 2:12:04 6:06:51
702 Bib 659 US M25-29 65 43:38 4:19 3:06:11 2:46 2:10:00 6:06:54
703 Bib 1081 US M35-39 74 33:12 3:16 3:06:21 4:08 2:20:14 6:07:11
704 Bib 1496 US M40-44 75 46:47 3:55 3:16:21 1:52 1:58:19 6:07:13
705 Bib 1307 US M40-44 76 43:19 4:12 2:53:50 4:12 2:21:48 6:07:21
706 Bib 905 US M25-29 66 50:07 3:57 3:05:16 3:45 2:04:19 6:07:24
707 Bib 1180 US F25-29 24 38:52 3:25 2:58:31 2:50 2:23:47 6:07:25
708 Bib 1494 US M35-39 75 42:29 3:38 2:52:30 3:05 2:25:54 6:07:36
709 Bib 230 US F55-59 9 43:35 4:49 2:56:12 3:19 2:19:45 6:07:40
710 Bib 140 US F30-34 35 40:42 5:14 3:03:03 4:40 2:14:07 6:07:46
711 Bib 1493 US M50-54 64 45:00 4:14 3:09:48 2:33 2:06:12 6:07:47
712 Bib 535 US M40-44 77 46:44 5:18 2:54:35 4:36 2:16:39 6:07:52
713 Bib 1056 US F25-29 25 35:28 3:27 3:12:58 3:26 2:12:37 6:07:56
714 Bib 1350 US F40-44 31 46:58 3:37 2:51:53 3:19 2:22:09 6:07:57
715 Bib 944 US M30-34 69 46:12 5:58 3:18:39 5:59 1:51:17 6:08:05
716 Bib 1280 US F40-44 32 34:19 4:39 3:10:56 3:40 2:14:33 6:08:07
717 Bib 964 US F60-64 7 40:24 4:37 2:53:56 2:58 2:26:21 6:08:16
718 Bib 504 PF M45-49 60 42:03 3:18 2:57:45 2:50 2:22:29 6:08:24
719 Bib 1459 US M30-34 70 43:29 6:47 3:02:07 5:33 2:10:31 6:08:28
720 Bib 1534 US M45-49 61 40:21 3:23 2:57:32 3:18 2:23:59 6:08:33
720 Bib 896 US F35-39 28 50:47 3:02 2:58:42 2:23 2:13:38 6:08:33
722 Bib 221 US F50-54 16 37:44 3:21 3:05:33 3:30 2:18:31 6:08:38
723 Bib 957 US F45-49 27 41:38 5:08 2:58:01 3:31 2:20:23 6:08:41
724 Bib 157 US M65-69 7 48:33 4:48 2:54:29 2:58 2:17:57 6:08:45
725 Bib 1518 PL M40-44 78 41:05 3:40 2:58:58 2:31 2:22:34 6:08:48
726 Bib 606 US M60-64 16 48:45 2:30 2:57:55 2:03 2:17:39 6:08:52
727 Bib 864 CA M30-34 71 42:09 6:41 3:07:45 4:17 2:08:06 6:08:58
728 Bib 555 US F40-44 33 44:56 7:15 3:16:43 5:34 1:54:44 6:09:12
729 Bib 279 US M40-44 79 46:24 9:29 2:59:20 6:04 2:08:08 6:09:25
730 Bib 1250 US M50-54 65 41:05 4:25 2:56:04 2:40 2:25:12 6:09:26
731 Bib 805 US M50-54 66 53:43 10:32 2:48:00 5:14 2:12:02 6:09:31
732 Bib 1318 US M60-64 17 38:07 3:17 3:05:57 2:52 2:19:20 6:09:32
733 Bib 372 NL M25-29 67 49:10 9:13 3:00:11 6:24 2:04:49 6:09:47
734 Bib 375 US M55-59 39 43:53 3:29 3:00:03 1:50 2:20:33 6:09:48
735 Bib 1249 US M30-34 72 40:50 7:18 3:07:21 4:52 2:09:29 6:09:50
736 Bib 760 US F30-34 36 45:39 3:10 3:08:33 2:17 2:10:19 6:09:58
737 Bib 360 US M60-64 18 40:28 6:06 2:43:03 3:39 2:36:46 6:10:02
738 Bib 1555 US M30-34 73 39:49 3:08 3:08:24 3:18 2:15:26 6:10:05
739 Bib 1598 US M35-39 76 34:35 6:08 3:08:28 4:04 2:16:52 6:10:07
740 Bib 1333 US M25-29 68 47:58 7:42 2:54:11 3:12 2:17:05 6:10:09
741 Bib 1057 US M40-44 80 45:59 3:35 2:53:17 1:35 2:25:50 6:10:17
742 Bib 972 US M30-34 74 42:04 4:09 2:53:28 5:38 2:25:25 6:10:44
743 Bib 790 US F55-59 10 42:06 3:55 2:53:38 3:00 2:28:05 6:10:45
744 Bib 811 US F40-44 34 48:31 3:41 2:43:48 2:19 2:32:30 6:10:48
745 Bib 763 US F35-39 29 49:34 3:53 2:58:04 4:05 2:15:14 6:10:50
746 Bib 1517 US M30-34 75 45:28 3:09 2:43:21 1:51 2:37:08 6:10:56
747 Bib 398 US M45-49 62 41:00 4:16 2:52:09 3:45 2:29:49 6:10:59
748 Bib 770 US F35-39 30 39:55 6:14 3:02:46 4:42 2:17:27 6:11:04
749 Bib 1054 US M45-49 63 44:13 4:44 3:18:05 2:38 2:01:31 6:11:12
750 Bib 379 US M35-39 77 50:28 7:40 3:06:58 3:20 2:02:53 6:11:19
751 Bib 1243 US M30-34 76 45:09 6:23 3:08:31 4:50 2:06:34 6:11:26
752 Bib 1382 US M45-49 64 39:14 2:53 2:48:31 3:56 2:37:07 6:11:42
752 Bib 921 US F30-34 37 46:20 3:16 2:57:36 3:02 2:21:28 6:11:42
754 Bib 155 US F40-44 35 38:32 2:53 3:01:53 2:07 2:26:20 6:11:45
755 Bib 1007 US F25-29 26 32:49 4:07 3:13:45 3:01 2:18:11 6:11:53
756 Bib 374 US M40-44 81 39:43 4:13 2:57:48 4:13 2:25:57 6:11:54
757 Bib 366 US F45-49 28 48:55 3:05 2:50:45 3:06 2:26:11 6:12:01
758 Bib 399 US F35-39 31 31:53 2:39 3:17:48 3:50 2:16:21 6:12:31
759 Bib 866 US M45-49 65 40:14 3:53 2:55:47 2:50 2:29:57 6:12:41
760 Bib 717 US M40-44 82 42:46 5:01 2:49:45 4:20 2:30:54 6:12:46
761 Bib 311 US M30-34 77 46:59 8:56 3:09:22 8:30 1:59:05 6:12:52
762 Bib 1001 US M35-39 78 33:39 4:15 2:59:28 4:18 2:31:15 6:12:55
763 Bib 1000 US F40-44 36 42:31 3:58 2:49:55 2:33 2:34:09 6:13:06
764 Bib 329 US F25-29 27 34:12 5:40 3:10:53 6:43 2:15:48 6:13:16
765 Bib 1444 US M25-29 69 45:59 4:52 2:55:25 4:12 2:22:52 6:13:20
766 Bib 261 US M40-44 83 53:45 6:11 3:04:09 4:24 2:05:03 6:13:32
766 Bib 470 US M30-34 78 42:25 5:02 3:07:40 2:43 2:15:42 6:13:32
768 Bib 1035 US F30-34 38 37:57 3:23 3:11:04 5:10 2:16:00 6:13:33
769 Bib 740 US M25-29 70 35:28 5:40 3:18:19 5:57 2:08:10 6:13:34
770 Bib 883 US M35-39 79 43:41 6:58 3:02:10 3:07 2:17:44 6:13:39
771 Bib 1233 US F40-44 37 46:42 6:02 2:55:48 4:34 2:20:38 6:13:42
772 Bib 337 US F50-54 17 34:37 5:10 2:59:38 3:26 2:30:54 6:13:45
773 Bib 180 US F30-34 39 47:41 4:16 3:09:05 3:53 2:08:55 6:13:50
774 Bib 835 US M45-49 66 38:50 5:57 3:01:43 6:01 2:21:24 6:13:55
775 Bib 1365 US M30-34 79 39:48 7:35 2:54:26 5:45 2:26:23 6:13:57
776 Bib 1166 US M30-34 80 40:34 7:14 3:15:10 5:08 2:05:54 6:13:59
777 Bib 262 US M40-44 84 45:06 8:16 2:53:43 6:28 2:20:35 6:14:08
778 Bib 771 US M40-44 85 37:59 3:55 2:52:34 4:18 2:35:23 6:14:09
779 Bib 1621 US M30-34 81 38:27 4:52 2:53:37 3:31 2:33:58 6:14:25
780 Bib 1069 US M55-59 40 1:05:48 10:25 2:54:04 5:26 1:58:48 6:14:31
781 Bib 1301 US M35-39 80 36:30 4:43 2:53:07 3:23 2:36:51 6:14:34
782 Bib 769 US M45-49 67 45:01 5:23 2:58:54 4:10 2:21:19 6:14:47
783 Bib 796 US M45-49 68 52:25 6:44 2:47:02 5:16 2:23:44 6:15:10
784 Bib 1447 US F45-49 29 41:52 5:05 3:16:07 3:52 2:08:15 6:15:11
785 Bib 1321 US M40-44 86 33:52 3:56 2:58:58 3:00 2:35:31 6:15:17
786 Bib 1323 US F50-54 18 42:29 4:57 3:06:17 4:23 2:17:18 6:15:23
787 Bib 1273 US M40-44 87 39:04 7:26 3:04:39 5:22 2:19:18 6:15:50
788 Bib 1582 US M30-34 82 42:28 7:12 3:04:40 6:52 2:14:46 6:15:59
789 Bib 1581 US M18-24 17 36:29 4:44 2:59:42 5:18 2:29:53 6:16:06
790 Bib 1178 US M50-54 67 39:13 3:16 2:49:31 4:45 2:39:35 6:16:21
791 Bib 794 US M50-54 68 43:48 4:51 2:59:32 1:58 2:26:42 6:16:51
792 Bib 1501 US M25-29 71 32:09 3:07 2:46:31 4:43 2:50:21 6:16:53
792 Bib 285 US M40-44 88 37:30 3:22 2:58:49 3:10 2:34:02 6:16:53
794 Bib 855 US M65-69 8 42:23 3:58 2:52:26 4:28 2:33:51 6:17:05
795 Bib 298 US M55-59 41 55:58 6:36 2:51:23 4:22 2:18:55 6:17:14
796 Bib 189 US M55-59 42 37:39 4:27 3:18:04 3:07 2:14:03 6:17:20
797 Bib 700 US F35-39 32 43:36 6:51 3:14:38 5:08 2:07:10 6:17:24
798 Bib 313 US M30-34 83 40:18 5:36 2:59:16 5:03 2:27:13 6:17:26
799 Bib 605 US F35-39 33 40:39 6:20 3:20:24 3:20 2:06:47 6:17:30
800 Bib 272 US M35-39 81 53:58 5:30 3:02:02 2:32 2:13:30 6:17:32

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