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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 11 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
1001 Bib 486 US M40-44 99 39:42 6:59 3:07:52 3:53 2:44:52 6:43:18
1002 Bib 211 US M40-44 100 41:53 4:30 3:02:21 3:54 2:50:56 6:43:34
1003 Bib 612 US M50-54 82 40:50 5:26 3:05:23 5:41 2:46:19 6:43:39
1004 Bib 293 US M50-54 83 57:36 7:30 3:25:08 3:34 2:09:54 6:43:43
1005 Bib 876 US M25-29 81 40:44 6:44 3:24:21 6:57 2:25:00 6:43:46
1006 Bib 249 US F40-44 52 41:07 3:28 3:14:29 3:26 2:41:25 6:43:55
1007 Bib 707 US F35-39 53 49:34 4:59 3:14:13 4:18 2:31:24 6:44:28
1008 Bib 995 US F25-29 38 41:04 5:09 3:16:27 4:03 2:37:56 6:44:40
1009 Bib 589 US M25-29 82 44:05 4:02 3:02:08 4:45 2:49:42 6:44:41
1010 Bib 1594 US M30-34 112 54:21 5:03 3:04:51 4:45 2:36:04 6:45:04
1011 Bib 1437 US M40-44 101 48:13 5:10 3:13:53 3:51 2:34:01 6:45:08
1012 Bib 1015 VE F40-44 53 45:28 3:10 3:24:58 2:15 2:30:00 6:45:52
1013 Bib 409 US F30-34 51 44:40 4:35 3:40:41 7:34 2:08:35 6:46:06
1013 Bib 728 US F30-34 51 45:30 4:48 3:40:32 4:07 2:11:08 6:46:06
1015 Bib 623 US F25-29 39 45:40 4:00 3:25:33 3:23 2:27:38 6:46:14
1016 Bib 1232 US M50-54 84 43:49 9:09 3:13:02 10:48 2:29:33 6:46:21
1017 Bib 683 FR F45-49 40 44:24 4:48 3:13:26 2:59 2:40:44 6:46:23
1018 Bib 596 DE M40-44 102 34:30 3:29 3:41:33 3:03 2:24:25 6:47:00
1019 Bib 566 US F25-29 40 51:56 6:15 3:27:51 7:49 2:13:27 6:47:17
1020 Bib 1487 US M35-39 111 49:07 7:40 3:02:46 7:06 2:40:42 6:47:20
1021 Bib 1011 US M35-39 112 44:21 10:48 3:31:49 6:21 2:14:11 6:47:29
1022 Bib 1398 US F25-29 41 52:20 3:13 3:02:02 3:44 2:46:21 6:47:40
1023 Bib 977 US F45-49 41 44:51 5:29 3:40:35 5:03 2:11:47 6:47:45
1024 Bib 148 US M45-49 80 1:08:17 5:27 2:51:31 5:39 2:36:53 6:47:47
1025 Bib 255 US M40-44 103 52:52 6:12 3:17:23 9:10 2:22:18 6:47:55
1026 Bib 938 US M50-54 85 36:32 6:56 3:04:59 3:41 2:55:52 6:48:00
1027 Bib 147 US M30-34 113 41:06 6:06 3:17:16 7:41 2:35:52 6:48:01
1028 Bib 1386 US M55-59 48 50:38 9:40 3:07:26 6:25 2:34:15 6:48:24
1029 Bib 892 US F40-44 54 43:28 4:24 3:20:05 3:31 2:37:05 6:48:32
1030 Bib 1219 US F18-24 8 43:29 4:27 3:14:29 2:32 2:43:42 6:48:40
1031 Bib 1055 US M30-34 114 44:22 8:59 3:08:43 7:23 2:39:28 6:48:56
1031 Bib 502 US M55-59 49 44:29 7:45 3:22:01 4:22 2:30:19 6:48:56
1033 Bib 281 US F50-54 27 47:46 5:44 3:46:44 3:13 2:06:15 6:49:41
1034 Bib 501 PF M30-34 115 43:07 3:09 3:16:06 3:33 2:43:47 6:49:42
1035 Bib 498 US M55-59 50 53:36 5:25 3:04:20 3:23 2:43:00 6:49:43
1036 Bib 1031 US M35-39 113 38:23 4:56 3:14:47 5:59 2:45:47 6:49:51
1037 Bib 299 US F55-59 16 44:44 8:17 3:12:20 4:36 2:39:57 6:49:54
1037 Bib 435 IN M45-49 81 58:39 7:04 3:18:04 10:10 2:15:57 6:49:54
1039 Bib 1256 US M55-59 51 40:58 7:08 3:10:55 4:46 2:46:10 6:49:57
1040 Bib 260 US F40-44 55 47:48 6:27 3:16:04 7:34 2:32:07 6:49:59
1041 Bib 1297 US M40-44 104 50:42 8:14 3:07:56 5:46 2:37:36 6:50:14
1042 Bib 1464 US M30-34 116 44:18 10:56 3:28:00 7:57 2:19:10 6:50:21
1043 Bib 1281 US M55-59 52 49:48 6:17 3:11:58 5:07 2:37:14 6:50:22
1044 Bib 271 US F40-44 56 46:05 4:27 3:12:48 2:21 2:45:02 6:50:42
1045 Bib 764 US F45-49 42 41:50 4:01 3:14:16 3:26 2:47:16 6:50:48
1046 Bib 1403 US M60-64 25 47:31 4:27 3:01:04 4:14 2:53:34 6:50:49
1047 Bib 530 US F50-54 28 48:30 4:22 3:22:52 3:49 2:31:37 6:51:11
1048 Bib 1485 US F35-39 54 50:50 6:24 3:18:24 5:31 2:30:03 6:51:13
1049 Bib 1527 US F40-44 57 50:01 10:01 3:39:38 5:20 2:06:16 6:51:15
1050 Bib 570 US F45-49 43 38:48 5:01 3:13:03 4:36 2:50:02 6:51:30
1051 Bib 1098 US M45-49 82 51:54 5:28 3:21:01 3:37 2:29:31 6:51:31
1052 Bib 273 US F55-59 17 36:14 3:28 3:16:26 3:22 2:52:40 6:52:10
1053 Bib 200 US M35-39 114 51:22 6:04 3:13:01 4:13 2:38:05 6:52:44
1054 Bib 325 US F35-39 55 44:17 3:17 3:16:01 2:06 2:47:04 6:52:46
1055 Bib 163 US M45-49 83 43:29 5:05 2:56:03 5:54 3:02:28 6:52:59
1056 Bib 142 US M70-74 2 47:37 6:18 3:03:26 6:36 2:49:12 6:53:09
1057 Bib 344 US F25-29 42 43:19 5:40 3:27:57 4:35 2:31:47 6:53:18
1058 Bib 1008 CA F25-29 43 32:54 4:26 3:27:28 2:45 2:46:01 6:53:34
1058 Bib 634 US M50-54 86 45:02 5:41 3:16:41 4:15 2:41:55 6:53:34
1060 Bib 1118 US F35-39 56 45:42 4:24 3:22:40 5:12 2:35:40 6:53:39
1061 Bib 1607 US M30-34 117 51:45 13:40 3:50:52 5:06 1:52:19 6:53:43
1062 Bib 1218 US F60-64 10 47:00 3:10 3:08:39 5:18 2:49:42 6:53:49
1063 Bib 1381 US M40-44 105 41:39 6:25 3:45:10 4:52 2:15:47 6:53:53
1064 Bib 1226 US F45-49 44 45:32 5:57 3:29:08 6:29 2:26:51 6:53:56
1065 Bib 1524 US F40-44 58 40:34 5:00 3:27:58 6:31 2:33:54 6:53:57
1066 Bib 1512 US F45-49 45 47:08 5:45 3:24:55 4:06 2:32:07 6:54:01
1067 Bib 926 US M18-24 20 1:01:32 5:42 3:09:55 6:04 2:30:53 6:54:05
1068 Bib 521 US F55-59 18 49:14 8:07 3:15:13 5:00 2:36:46 6:54:21
1069 Bib 347 US F30-34 53 44:49 9:04 3:28:49 4:59 2:26:54 6:54:34
1070 Bib 303 US F35-39 57 46:59 3:40 3:17:54 4:08 2:42:05 6:54:46
1071 Bib 661 US M40-44 106 47:37 6:13 3:07:46 2:55 2:50:32 6:55:03
1072 Bib 1230 US M40-44 107 37:05 7:48 3:36:43 7:15 2:26:28 6:55:18
1073 Bib 1205 US F35-39 58 43:19 7:33 3:08:48 6:01 2:49:39 6:55:19
1074 Bib 744 US F40-44 59 46:31 6:20 3:21:02 5:31 2:35:56 6:55:20
1075 Bib 1379 US F25-29 44 49:47 4:07 3:32:08 2:41 2:26:41 6:55:23
1075 Bib 899 US M40-44 108 40:14 5:37 3:07:57 4:36 2:57:00 6:55:23
1077 Bib 836 US F55-59 19 42:37 4:53 3:28:11 5:23 2:34:24 6:55:27
1077 Bib 923 US M45-49 84 55:08 8:33 3:08:31 5:18 2:37:57 6:55:27
1079 Bib 818 US M50-54 87 56:04 8:23 3:07:35 8:46 2:34:59 6:55:47
1080 Bib 729 US M50-54 88 56:35 8:11 3:18:34 6:19 2:26:22 6:56:01
1081 Bib 1458 US F50-54 29 37:19 4:37 3:21:13 3:01 2:49:58 6:56:08
1082 Bib 918 US F40-44 60 57:34 6:40 3:22:52 7:42 2:21:27 6:56:14
1083 Bib 213 NZ M60-64 26 52:19 5:48 2:56:11 5:03 2:57:07 6:56:28
1084 Bib 484 US M50-54 89 48:09 6:11 3:08:32 5:26 2:48:11 6:56:30
1085 Bib 471 US F40-44 61 40:33 4:02 3:19:37 3:50 2:48:34 6:56:35
1086 Bib 750 US M40-44 109 56:22 4:44 3:17:03 3:20 2:35:11 6:56:40
1087 Bib 552 US M30-34 118 52:31 5:34 3:04:16 3:03 2:51:22 6:56:45
1088 Bib 454 US M50-54 90 42:35 4:35 3:17:15 4:38 2:47:48 6:56:51
1089 Bib 1426 US F40-44 62 51:07 6:31 3:30:21 5:28 2:23:34 6:57:01
1090 Bib 1306 FR M35-39 115 46:09 4:38 3:02:38 5:09 2:58:31 6:57:04
1091 Bib 1293 US F25-29 45 47:28 8:32 3:23:35 4:21 2:33:18 6:57:14
1092 Bib 1049 US F40-44 63 1:06:38 6:23 3:25:05 5:28 2:13:41 6:57:16
1093 Bib 1603 US F35-39 59 45:41 8:20 3:33:40 7:09 2:22:28 6:57:18
1094 Bib 889 US M25-29 83 41:27 6:11 3:28:31 5:36 2:35:40 6:57:25
1095 Bib 1141 US M30-34 119 48:07 10:30 3:30:59 9:06 2:18:48 6:57:29
1096 Bib 1562 US M25-29 84 47:26 6:49 3:20:30 6:53 2:35:57 6:57:34
1097 Bib 1371 US M25-29 85 43:48 4:21 3:06:13 3:37 2:59:59 6:57:57
1098 Bib 1400 US F50-54 30 46:28 5:41 3:18:18 4:51 2:42:40 6:57:58
1099 Bib 1314 US M35-39 116 48:44 6:32 3:24:36 6:57 2:31:10 6:57:59
1100 Bib 752 US M60-64 27 38:34 6:19 3:02:04 6:24 3:04:56 6:58:18

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