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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 9 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
801 Bib 713 US M55-59 43 38:24 5:48 2:55:13 5:20 2:33:05 6:17:50
802 Bib 1378 US M45-49 69 40:20 6:38 2:46:47 5:45 2:38:22 6:17:51
803 Bib 1103 US M25-29 72 43:35 6:07 3:02:26 3:59 2:21:46 6:17:53
804 Bib 1451 US F35-39 34 49:13 8:16 3:05:38 5:37 2:09:17 6:18:01
805 Bib 859 US F50-54 19 45:17 8:19 3:03:08 5:41 2:15:50 6:18:15
806 Bib 1385 CA F40-44 38 46:02 6:10 3:08:48 5:17 2:12:01 6:18:18
807 Bib 800 US M25-29 73 37:47 6:48 3:02:56 6:10 2:24:46 6:18:27
808 Bib 1516 US M50-54 69 46:39 5:09 3:05:44 3:40 2:17:17 6:18:29
809 Bib 1525 US F45-49 30 33:38 5:09 3:08:24 4:38 2:26:42 6:18:31
810 Bib 693 US M30-34 84 46:11 2:57 2:53:14 4:28 2:31:50 6:18:40
811 Bib 799 US M35-39 82 41:03 6:16 2:56:39 10:50 2:23:55 6:18:43
812 Bib 571 GB F50-54 20 32:40 3:36 3:15:38 4:58 2:21:54 6:18:46
813 Bib 1173 US F25-29 28 42:44 4:42 3:10:42 6:05 2:14:35 6:18:49
814 Bib 1188 US M30-34 85 40:25 4:17 2:47:30 3:43 2:42:58 6:18:51
815 Bib 380 US M30-34 86 50:45 4:28 2:59:04 6:16 2:18:20 6:18:53
816 Bib 1165 US M45-49 70 40:57 5:41 3:15:48 4:24 2:12:05 6:18:55
817 Bib 1425 US M25-29 74 39:47 4:29 3:02:01 4:59 2:28:02 6:19:17
818 Bib 1429 US F30-34 40 46:27 4:32 3:04:10 2:57 2:21:41 6:19:47
819 Bib 432 US F40-44 39 46:30 8:32 2:59:36 5:58 2:19:12 6:19:48
820 Bib 165 US M55-59 44 47:41 4:29 3:08:34 3:20 2:15:48 6:19:52
821 Bib 509 US F50-54 21 44:04 5:25 2:57:08 5:26 2:27:51 6:19:55
822 Bib 975 US F45-49 31 50:41 4:28 3:04:24 2:50 2:17:43 6:20:06
823 Bib 632 US M35-39 83 36:17 8:11 3:00:18 4:42 2:30:40 6:20:08
824 Bib 891 US M50-54 70 1:03:42 7:06 3:04:07 6:39 1:58:47 6:20:22
825 Bib 1452 US F35-39 35 54:22 3:57 2:59:33 4:22 2:18:16 6:20:31
826 Bib 129 US F40-44 40 40:59 4:51 2:59:41 2:49 2:32:25 6:20:44
827 Bib 1574 US M35-39 84 59:52 5:38 2:40:10 6:03 2:29:10 6:20:53
828 Bib 834 US M40-44 89 44:18 6:10 2:53:32 7:15 2:30:02 6:21:17
829 Bib 1093 US M50-54 71 41:12 8:34 2:53:11 7:02 2:31:20 6:21:19
830 Bib 354 US M40-44 90 43:30 8:07 3:17:30 7:48 2:04:28 6:21:23
831 Bib 1225 US M35-39 85 50:43 7:17 3:06:04 4:37 2:12:47 6:21:28
831 Bib 736 US M35-39 85 42:33 5:01 3:02:59 3:58 2:26:58 6:21:28
833 Bib 1245 US F40-44 41 35:35 3:42 3:07:07 3:48 2:31:22 6:21:34
833 Bib 1482 US F45-49 32 45:47 6:27 3:00:28 4:59 2:23:54 6:21:34
835 Bib 267 US F30-34 41 42:15 7:30 3:20:49 5:08 2:05:53 6:21:35
836 Bib 1584 US M30-34 87 1:00:28 4:40 3:00:42 3:47 2:12:11 6:21:48
837 Bib 631 US F35-39 36 42:09 5:54 3:05:02 6:07 2:22:37 6:21:49
838 Bib 569 US M30-34 88 37:25 3:06 3:27:34 3:38 2:10:08 6:21:50
839 Bib 175 US F30-34 42 39:10 5:31 2:51:41 3:24 2:42:05 6:21:51
840 Bib 919 US M40-44 91 37:31 6:14 3:15:47 5:21 2:17:00 6:21:54
841 Bib 757 US M50-54 72 40:50 5:02 2:58:16 3:04 2:34:46 6:21:57
842 Bib 841 US M30-34 89 43:02 6:36 2:52:41 4:23 2:35:20 6:22:02
843 Bib 253 US M35-39 87 53:08 4:32 2:40:30 3:34 2:40:23 6:22:07
843 Bib 321 US M35-39 87 37:58 5:10 2:55:47 2:41 2:40:31 6:22:07
845 Bib 1465 US M30-34 90 36:10 3:51 3:16:54 3:21 2:21:57 6:22:12
846 Bib 1139 US M55-59 45 43:49 7:27 2:59:10 7:04 2:25:01 6:22:31
847 Bib 1611 US F35-39 37 37:45 6:31 3:14:31 5:20 2:18:49 6:22:55
848 Bib 878 US M25-29 75 33:50 3:43 3:00:22 2:53 2:42:23 6:23:11
849 Bib 912 US F40-44 42 40:43 4:38 3:07:16 3:09 2:27:33 6:23:19
850 Bib 121 US M30-34 91 41:19 15:42 3:08:32 13:11 2:04:44 6:23:28
851 Bib 682 US F35-39 38 32:30 4:35 3:09:29 3:46 2:33:12 6:23:32
852 Bib 276 US F35-39 39 43:12 5:15 3:13:26 3:32 2:18:10 6:23:34
853 Bib 619 US M35-39 89 45:54 7:19 2:50:31 5:21 2:34:41 6:23:47
854 Bib 1419 US M45-49 71 40:48 5:51 2:59:20 3:25 2:34:25 6:23:48
855 Bib 869 US M35-39 90 41:09 4:26 3:09:37 5:23 2:23:16 6:23:50
856 Bib 382 US M60-64 19 40:39 6:07 2:59:07 4:05 2:33:57 6:23:57
857 Bib 338 US M50-54 73 48:12 5:15 3:03:35 5:17 2:21:48 6:24:07
858 Bib 1160 US F25-29 29 40:12 3:54 3:21:22 3:40 2:15:32 6:24:40
859 Bib 446 US M40-44 92 35:58 4:24 3:04:54 4:31 2:34:55 6:24:42
860 Bib 840 US F35-39 40 42:35 3:10 2:52:54 2:58 2:43:09 6:24:47
861 Bib 1190 US F18-24 5 41:43 5:32 3:11:06 5:40 2:20:46 6:24:48
862 Bib 809 US F35-39 41 51:59 5:24 3:24:27 3:44 1:59:37 6:25:10
863 Bib 696 US F35-39 42 40:15 3:53 3:11:32 3:02 2:26:32 6:25:13
864 Bib 1565 US M35-39 91 34:44 4:08 3:04:51 3:00 2:38:36 6:25:19
865 Bib 523 BR F40-44 43 42:39 7:20 2:53:15 4:10 2:38:11 6:25:34
866 Bib 692 US F35-39 43 45:02 5:36 3:18:58 4:38 2:11:27 6:25:42
867 Bib 884 US M35-39 92 43:45 8:48 3:18:52 4:46 2:09:53 6:26:04
868 Bib 393 US F65-69 1 40:56 3:38 3:06:47 3:19 2:31:27 6:26:07
869 Bib 1477 US M25-29 76 54:01 4:57 3:01:32 4:02 2:21:44 6:26:16
870 Bib 1439 US M30-34 92 46:12 5:55 3:13:04 2:51 2:18:18 6:26:20
871 Bib 478 US F60-64 8 50:48 4:17 3:03:00 4:00 2:24:22 6:26:27
872 Bib 1082 US M35-39 93 45:14 6:25 3:08:49 4:59 2:21:02 6:26:29
873 Bib 378 US M35-39 94 41:35 6:00 3:08:22 5:21 2:25:12 6:26:31
874 Bib 1194 US M30-34 93 46:44 4:53 2:55:59 6:51 2:32:12 6:26:39
875 Bib 1463 US M40-44 93 46:08 7:21 3:00:32 4:29 2:28:17 6:26:48
876 Bib 1172 US M45-49 72 37:42 5:37 3:01:50 4:47 2:36:53 6:26:49
876 Bib 882 US F40-44 44 39:59 5:05 3:23:03 3:55 2:14:48 6:26:49
878 Bib 747 US F45-49 33 39:57 5:12 3:10:11 4:31 2:27:07 6:26:58
879 Bib 1622 US M25-29 77 46:59 10:41 3:02:06 8:32 2:18:51 6:27:09
880 Bib 1304 US F40-44 45 47:20 3:26 2:55:35 3:55 2:36:55 6:27:10
881 Bib 460 US M50-54 74 45:15 4:34 3:14:57 4:09 2:18:17 6:27:12
882 Bib 1168 US M60-64 20 36:42 5:01 2:48:43 4:09 2:52:42 6:27:18
883 Bib 168 US M35-39 95 57:27 5:19 2:49:26 5:48 2:29:21 6:27:20
884 Bib 979 US F30-34 43 40:22 4:37 3:11:32 2:51 2:28:00 6:27:21
885 Bib 1596 US M30-34 94 43:23 6:37 3:16:39 3:15 2:18:02 6:27:56
886 Bib 324 US M45-49 73 46:18 3:43 2:59:53 2:11 2:35:52 6:27:58
887 Bib 810 US M25-29 78 34:31 2:44 3:01:07 4:53 2:44:47 6:28:01
888 Bib 1590 US M40-44 94 37:39 7:21 3:17:35 4:53 2:20:41 6:28:09
889 Bib 1471 US M30-34 95 43:52 14:10 3:06:12 11:37 2:12:31 6:28:22
890 Bib 1543 IE M30-34 96 47:33 9:43 3:07:20 8:59 2:14:52 6:28:27
891 Bib 1498 US M50-54 75 52:26 6:37 2:48:00 7:23 2:34:06 6:28:33
892 Bib 797 US M30-34 97 48:47 7:17 3:29:27 5:39 1:57:25 6:28:35
893 Bib 1115 GT M30-34 98 44:36 4:57 3:10:15 2:45 2:26:05 6:28:38
894 Bib 1535 US F30-34 44 42:33 5:17 3:15:18 2:55 2:22:50 6:28:52
895 Bib 695 US F40-44 46 47:49 4:12 2:59:31 4:45 2:32:37 6:28:54
896 Bib 1074 US F18-24 6 37:42 4:43 3:29:42 4:01 2:13:00 6:29:07
897 Bib 825 US F45-49 34 41:14 3:26 3:02:57 2:46 2:38:46 6:29:09
898 Bib 1595 US M30-34 99 54:48 7:17 2:59:07 4:45 2:23:13 6:29:11
899 Bib 1238 US F30-34 45 31:43 4:48 3:12:50 4:53 2:35:05 6:29:19
900 Bib 1262 US M50-54 76 40:33 7:57 3:10:36 9:43 2:20:31 6:29:20

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