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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 10 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
901 Bib 849 US F55-59 11 50:27 4:58 3:10:35 3:32 2:20:07 6:29:39
902 Bib 1191 US M60-64 21 49:28 5:52 3:05:15 4:14 2:25:04 6:29:54
903 Bib 741 US M45-49 74 44:12 7:06 3:23:50 4:54 2:09:55 6:29:57
904 Bib 821 US F50-54 22 1:00:29 10:33 3:13:18 6:19 1:59:22 6:30:01
905 Bib 812 US F25-29 30 37:45 5:43 3:16:25 2:56 2:27:36 6:30:26
906 Bib 739 US M30-34 100 47:08 7:40 3:01:51 5:16 2:28:48 6:30:42
907 Bib 1075 US M50-54 77 55:18 4:03 3:07:12 3:06 2:21:06 6:30:45
908 Bib 359 US F35-39 44 34:56 4:40 3:10:55 2:35 2:37:54 6:31:00
909 Bib 557 US M40-44 95 41:32 3:43 3:03:07 4:01 2:38:49 6:31:12
910 Bib 1006 US M30-34 101 45:13 10:22 3:08:00 5:42 2:22:20 6:31:37
911 Bib 712 US M45-49 75 42:29 7:03 3:11:47 4:17 2:26:14 6:31:49
912 Bib 174 US F55-59 12 40:07 3:20 3:01:00 2:31 2:45:14 6:32:13
913 Bib 1445 US M35-39 96 46:42 11:20 3:08:38 5:06 2:20:30 6:32:16
913 Bib 183 US F45-49 35 50:09 5:39 3:06:07 5:02 2:25:18 6:32:16
915 Bib 1505 US F50-54 23 39:01 4:17 3:08:39 6:23 2:34:02 6:32:23
916 Bib 1274 US F35-39 45 43:11 4:14 3:14:24 3:04 2:27:32 6:32:25
916 Bib 854 US M35-39 97 46:59 4:53 3:13:30 2:18 2:24:45 6:32:25
918 Bib 675 US F25-29 31 53:44 4:04 3:13:34 4:50 2:16:32 6:32:44
919 Bib 1430 US M40-44 96 44:46 5:19 3:24:37 4:53 2:13:13 6:32:48
920 Bib 847 US M50-54 78 36:44 4:23 3:03:45 2:01 2:46:05 6:32:58
921 Bib 792 DE F40-44 47 36:45 3:25 3:19:23 3:31 2:30:12 6:33:15
922 Bib 1272 US F30-34 46 38:07 4:43 3:10:14 3:06 2:37:10 6:33:20
923 Bib 254 US F40-44 48 45:32 5:32 3:13:00 3:55 2:25:22 6:33:21
924 Bib 1142 US M30-34 102 45:13 8:21 3:25:22 7:10 2:08:18 6:34:25
925 Bib 925 US M50-54 79 36:27 7:19 2:55:26 3:16 2:52:00 6:34:28
926 Bib 114 US M35-39 98 41:16 6:54 3:12:40 4:49 2:28:51 6:34:31
927 Bib 945 US M45-49 76 39:58 6:14 3:06:08 3:56 2:38:17 6:34:33
928 Bib 1526 US F50-54 24 47:14 6:01 3:28:57 5:23 2:06:59 6:34:34
929 Bib 1064 US M35-39 99 42:26 5:39 3:13:13 7:45 2:25:36 6:34:38
930 Bib 837 US M50-54 80 36:49 6:04 2:50:16 5:13 2:56:20 6:34:42
931 Bib 779 US M40-44 97 44:12 6:25 3:12:00 4:51 2:27:20 6:34:48
932 Bib 284 CR M35-39 100 45:48 5:23 3:09:54 5:07 2:28:39 6:34:51
933 Bib 1436 US M18-24 18 55:38 5:58 3:15:51 5:14 2:12:24 6:35:04
934 Bib 806 US M35-39 101 1:03:57 5:57 2:58:54 5:24 2:20:57 6:35:10
935 Bib 1241 US M30-34 103 43:53 4:41 3:13:54 2:58 2:29:56 6:35:21
936 Bib 1126 US F50-54 25 41:01 3:06 3:13:18 3:12 2:34:54 6:35:32
936 Bib 1347 US F30-34 47 50:32 4:48 3:07:36 3:42 2:28:53 6:35:32
938 Bib 289 US F35-39 46 40:46 7:59 3:22:07 5:52 2:18:57 6:35:42
939 Bib 346 US M30-34 104 43:04 3:52 3:24:09 3:53 2:20:47 6:35:45
940 Bib 1486 US F60-64 9 48:14 4:03 3:05:36 3:06 2:34:50 6:35:48
941 Bib 258 US F45-49 36 38:38 8:24 3:08:49 3:20 2:36:38 6:35:49
942 Bib 874 US F30-34 48 40:25 5:16 2:55:57 7:43 2:46:31 6:35:52
942 Bib 875 US M30-34 105 41:53 5:05 2:52:26 12:03 2:44:26 6:35:52
944 Bib 746 US F35-39 47 36:33 5:35 3:09:53 4:20 2:39:34 6:35:55
945 Bib 1605 US M35-39 102 44:29 9:03 3:08:28 8:47 2:25:12 6:35:59
946 Bib 1294 US M30-34 106 42:12 6:27 3:16:19 2:13 2:28:50 6:36:01
947 Bib 226 US M65-69 9 1:08:28 6:01 3:10:40 5:11 2:05:46 6:36:06
948 Bib 541 US M60-64 22 37:44 5:41 2:55:47 3:55 2:53:07 6:36:14
949 Bib 1601 US F45-49 37 51:39 5:29 3:17:49 3:53 2:17:52 6:36:42
950 Bib 461 US M60-64 23 42:09 3:14 3:07:29 3:37 2:40:45 6:37:15
951 Bib 1279 US M50-54 81 44:57 6:35 3:16:54 7:45 2:21:05 6:37:17
952 Bib 1200 US M35-39 103 39:28 3:31 3:06:21 2:26 2:45:31 6:37:18
953 Bib 1132 US F55-59 13 39:16 2:56 3:08:05 2:55 2:44:16 6:37:28
954 Bib 310 US F35-39 48 47:00 6:09 2:59:04 3:53 2:41:25 6:37:31
955 Bib 389 US F30-34 49 50:19 4:52 3:32:51 2:26 2:07:04 6:37:32
956 Bib 247 US M75-79 1 39:18 7:47 3:12:28 4:52 2:33:08 6:37:33
957 Bib 1349 US M30-34 107 48:14 4:16 3:10:25 3:00 2:31:40 6:37:34
958 Bib 1131 US F18-24 7 48:31 4:18 3:17:36 4:10 2:23:19 6:37:55
959 Bib 1012 US M35-39 104 52:55 10:54 3:19:20 5:29 2:09:18 6:37:56
960 Bib 1106 US M60-64 24 45:08 5:41 2:43:42 3:58 2:59:35 6:38:04
961 Bib 901 US M55-59 46 54:14 4:10 3:00:46 5:24 2:33:43 6:38:17
962 Bib 207 MX M35-39 105 51:10 7:25 3:08:49 5:52 2:25:02 6:38:18
963 Bib 112 US F25-29 32 50:50 8:00 3:09:20 8:50 2:21:56 6:38:57
963 Bib 1578 US M30-34 108 58:01 8:01 3:09:05 7:24 2:16:25 6:38:57
965 Bib 1063 US M35-39 106 51:50 6:49 3:18:03 9:27 2:12:51 6:39:00
966 Bib 893 US F35-39 49 48:58 1:36 3:10:41 2:56 2:34:51 6:39:02
967 Bib 848 US F50-54 26 41:09 3:08 3:23:25 5:28 2:25:54 6:39:05
968 Bib 1476 US F25-29 33 38:53 5:13 3:29:28 6:31 2:19:03 6:39:08
969 Bib 1395 US F30-34 50 39:51 5:49 3:23:54 5:06 2:24:34 6:39:14
970 Bib 423 US F40-44 49 53:07 5:27 3:10:57 5:01 2:24:47 6:39:18
971 Bib 743 US F55-59 14 42:14 5:27 3:09:11 6:58 2:35:31 6:39:21
972 Bib 1201 US M35-39 107 45:17 4:45 3:19:19 2:31 2:27:30 6:39:22
973 Bib 1488 US M30-34 109 42:44 5:34 2:58:32 3:47 2:48:53 6:39:30
974 Bib 648 US F65-69 2 45:21 4:22 3:03:02 3:43 2:43:08 6:39:36
975 Bib 1127 US F35-39 50 40:53 4:55 3:13:56 2:46 2:37:17 6:39:47
976 Bib 1515 US M30-34 110 45:24 4:54 3:20:41 2:30 2:26:31 6:40:01
977 Bib 1411 US F35-39 51 45:27 9:49 3:18:20 6:37 2:19:54 6:40:07
977 Bib 1438 US M40-44 98 51:39 13:54 3:08:01 10:42 2:15:51 6:40:07
979 Bib 288 US M18-24 19 41:35 7:21 3:12:59 9:30 2:28:44 6:40:09
980 Bib 793 US M35-39 108 46:42 5:09 2:54:09 2:43 2:51:28 6:40:10
981 Bib 1114 US M25-29 79 42:12 6:17 3:15:03 3:47 2:33:10 6:40:31
982 Bib 516 US M45-49 77 48:46 8:13 3:15:15 7:18 2:21:04 6:40:36
983 Bib 1370 US M45-49 78 44:46 4:33 3:16:58 4:45 2:29:40 6:40:41
984 Bib 368 US F55-59 15 40:36 9:33 3:04:28 7:42 2:38:48 6:41:07
985 Bib 1462 US F35-39 52 48:07 5:07 3:14:45 6:26 2:26:58 6:41:23
986 Bib 392 US F40-44 50 53:13 3:22 3:22:22 2:18 2:20:11 6:41:26
987 Bib 1316 US F45-49 38 47:32 4:48 3:36:51 3:35 2:08:42 6:41:27
988 Bib 674 US F25-29 34 33:43 3:48 3:30:14 3:39 2:30:18 6:41:42
989 Bib 762 US M30-34 111 43:08 5:27 3:28:18 6:28 2:18:30 6:41:51
990 Bib 635 US F25-29 35 38:31 5:14 3:31:04 4:06 2:23:03 6:41:57
991 Bib 515 US M45-49 79 49:24 11:47 3:12:08 9:06 2:19:36 6:42:00
992 Bib 1224 US M25-29 80 43:58 7:34 3:10:23 8:15 2:31:59 6:42:08
993 Bib 1067 US M55-59 47 30:04 4:24 2:56:34 4:57 3:06:11 6:42:10
994 Bib 1040 US M35-39 109 42:57 5:57 3:13:14 5:41 2:34:24 6:42:13
995 Bib 1111 US F45-49 39 48:09 5:25 3:06:09 6:01 2:37:02 6:42:46
996 Bib 185 US F40-44 51 36:32 5:00 3:15:03 4:14 2:42:04 6:42:54
997 Bib 497 US M35-39 110 37:05 4:09 2:49:30 5:36 3:06:39 6:42:59
998 Bib 264 US F65-69 3 44:51 6:51 3:14:04 5:27 2:31:47 6:43:00
999 Bib 1352 US F25-29 36 41:19 4:49 3:20:20 4:27 2:32:08 6:43:03
1000 Bib 1361 US F25-29 37 32:02 3:45 3:24:16 5:20 2:37:51 6:43:14

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