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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 15 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
1401 Bib 727 US F30-34 75 48:45 3:42 4:03:27 4:35 3:16:15 8:16:44
1402 Bib 954 US M35-39 137 1:03:06 5:54 3:46:09 5:07 3:16:40 8:16:55
1403 Bib 170 US F65-69 6 48:51 5:14 4:11:53 4:16 3:06:54 8:17:09
1404 Bib 536 US F55-59 31 43:42 7:44 4:06:51 7:36 3:11:54 8:17:46
1405 Bib 1228 US F45-49 62 1:05:55 5:37 4:06:33 3:52 2:55:58 8:17:54
1406 Bib 621 US M30-34 137 52:17 9:26 4:09:11 8:39 2:58:41 8:18:15
1407 Bib 457 US F40-44 87 46:47 6:24 4:03:22 6:28 3:15:33 8:18:34
1408 Bib 985 US M30-34 138 53:33 11:00 3:47:43 5:42 3:20:40 8:18:39
1409 Bib 1199 US M30-34 139 51:18 7:22 3:45:07 8:37 3:26:17 8:18:42
1410 Bib 1423 US F40-44 88 49:33 6:57 3:53:59 6:03 3:22:55 8:19:27
1411 Bib 458 US M55-59 64 56:26 4:32 3:19:56 5:59 3:53:48 8:20:41
1412 Bib 1585 US F30-34 76 47:13 9:52 4:12:46 7:03 3:04:19 8:21:13
1413 Bib 1604 US F35-39 75 44:43 12:20 4:12:45 7:06 3:04:21 8:21:15
1414 Bib 1559 US M35-39 138 55:12 16:30 3:54:43 7:15 3:07:58 8:21:38
1415 Bib 370 US F40-44 89 47:25 12:14 4:15:01 9:15 2:57:46 8:21:40
1415 Bib 390 US F45-49 63 44:07 15:26 4:09:37 13:27 2:59:04 8:21:40
1417 Bib 1284 US F70-74 2 58:42 7:00 3:41:48 7:25 3:28:26 8:23:22
1418 Bib 538 ZA F45-49 64 59:01 8:19 4:05:15 5:08 3:06:58 8:24:42
1419 Bib 290 US M55-59 65 59:43 4:32 3:39:33 4:35 3:36:22 8:24:45
1420 Bib 955 US M30-34 140 1:01:45 5:58 4:08:39 5:52 3:03:13 8:25:25
1421 Bib 539 US F65-69 7 56:26 5:19 4:14:01 3:38 3:06:48 8:26:13
1422 Bib 1144 NP M50-54 117 1:01:05 6:46 3:38:29 4:31 3:35:49 8:26:40
1423 Bib 843 US F50-54 52 49:59 4:52 3:51:43 3:40 3:36:29 8:26:42
1424 Bib 860 US F35-39 76 56:29 6:36 3:52:22 5:19 3:26:04 8:26:49
1425 Bib 685 US M50-54 118 54:57 8:21 3:40:53 12:03 3:32:45 8:28:58
1426 Bib 592 US F40-44 90 1:00:57 6:30 4:18:20 3:24 3:00:15 8:29:27
1427 Bib 1369 US M35-39 139 51:53 10:24 3:58:05 7:38 3:21:39 8:29:40
1428 Bib 277 US M65-69 18 52:48 5:44 3:59:59 6:37 3:24:52 8:30:00
DNF Bib 1002 US M50-54 - - - - - - -
DNS Bib 101 US PC - - - - - - -
DNF Bib 1018 US M45-49 - - - - - - -
DNF Bib 1021 US M45-49 - 1:29:29 10:00 3:53:59 4:10 3:07:00 -
DNS Bib 1038 US M50-54 - - - - - - -
DNF Bib 1062 US F45-49 - 1:10:42 4:52 3:14:13 5:13 2:21:07 -
DNF Bib 1066 US M45-49 - 43:23 5:23 3:07:11 10:58 - -
DNF Bib 1073 US M45-49 - 43:16 5:57 - - - -
DNF Bib 1078 US M45-49 - 1:21:03 - - - - -
DNF Bib 1080 US F60-64 - 45:38 5:53 3:59:59 - - -
DNS Bib 1089 US M30-34 - - - - - - -
DNF Bib 1104 US M25-29 - 47:53 9:04 3:38:11 6:07 - -
DNF Bib 1133 US M55-59 - - - - - - -
DNF Bib 1134 US M25-29 - 1:08:31 6:17 4:31:00 - - -
DNF Bib 1135 US M55-59 - 1:13:06 6:29 3:56:21 - - -
DNS Bib 1149 US M30-34 - - - - - - -
DNF Bib 115 US M55-59 - 40:37 6:09 - - - -
DNF Bib 116 US M30-34 - 1:21:45 - - - - -
DNF Bib 1163 MX M30-34 - 45:08 4:06 2:51:05 2:44 - -
DNF Bib 1177 US M65-69 - 42:32 3:59 3:26:58 3:56 - -
DNS Bib 1185 US M30-34 - - - - - - -
DNS Bib 1235 US F60-64 - - - - - - -
DNF Bib 124 US F60-64 - 55:49 5:00 - - - -
DNF Bib 1244 US F55-59 - 37:34 4:29 3:12:50 10:34 - -
DNF Bib 1252 US F55-59 - 50:07 5:49 3:57:12 6:11 3:31:39 -
DNF Bib 1254 US F45-49 - 1:00:56 7:07 4:04:48 5:04 3:22:43 -
DNF Bib 1276 US F30-34 - 48:22 6:22 3:13:07 5:46 - -
DNF Bib 1285 US F30-34 - 33:48 2:39 2:32:55 2:24 - -
DNF Bib 1289 US M35-39 - 1:17:33 - - - - -
DNF Bib 1291 US M25-29 - - - - - - -
DNF Bib 1299 US M65-69 - 1:18:23 - - - - -
DNF Bib 1336 US M40-44 - 45:55 5:47 3:13:38 3:40 - -
DNF Bib 1345 US M60-64 - 50:16 5:31 3:22:13 - - -
DNF Bib 1354 US M30-34 - 33:38 7:31 2:47:30 - - -
DNS Bib 1380 US F35-39 - - - - - - -
DNF Bib 1394 US M25-29 - 1:17:32 - - - - -
DNF Bib 141 US M50-54 - 54:08 7:36 3:11:40 5:02 - -
DNS Bib 145 US F55-59 - - - - - - -
DNF Bib 1455 US M45-49 - 1:23:06 - - - - -
DNS Bib 149 US F55-59 - - - - - - -
DNS Bib 150 US F55-59 - - - - - - -
DNF Bib 1507 US M45-49 - 1:16:03 5:34 2:48:53 3:51 2:16:01 -
DNF Bib 1511 US M35-39 - 1:17:28 - - - - -
DNS Bib 1521 US M45-49 - - - - - - -
DNF Bib 153 US M40-44 - 1:03:51 9:38 4:32:57 - - -
DNS Bib 1541 US M45-49 - - - - - - -
DNF Bib 1610 US F25-29 - 53:01 3:58 4:12:30 4:21 3:30:34 -
DNS Bib 1612 US M40-44 - - - - - - -
DNF Bib 1615 US M18-24 - 1:20:02 - - - - -
DNS Bib 1616 US M50-54 - - - - - - -
DNF Bib 1620 US M40-44 - 39:44 6:05 3:21:42 4:33 - -
DNF Bib 164 US M60-64 - 30:28 4:07 - - - -
DNS Bib 17 MX MPRO - - - - - - -
DNF Bib 178 US F40-44 - 55:12 6:16 3:35:45 8:13 - -
DNF Bib 181 US F60-64 - 49:54 5:25 4:06:33 5:34 3:43:35 -
DNF Bib 19 CH MPRO - 27:25 1:38 2:15:13 1:41 - -
DNF Bib 197 US M60-64 - 1:12:57 - - - - -
DNF Bib 199 US M70-74 - - - - - - -
DNS Bib 2001 US F18-24 - - - - - - -
DNF Bib 209 US M65-69 - 58:58 5:51 4:41:45 - - -
DNF Bib 216 US M25-29 - 1:22:42 - - - - -
DNF Bib 22 US MPRO - 25:50 1:28 - - - -
DNF Bib 220 US F40-44 - - - - - - -
DNF Bib 225 US M35-39 - 43:37 3:40 2:52:26 2:03 - -
DNF Bib 239 US F45-49 - 1:01:35 6:27 4:38:58 - - -
DNF Bib 243 US F40-44 - 43:24 7:32 - - - -
DNF Bib 257 US F55-59 - 57:45 6:22 4:06:09 4:59 - -
DNS Bib 29 BR MPRO - - - - - - -
DNF Bib 296 US M40-44 - - - 2:50:52 - - -
DNF Bib 297 US M50-54 - 44:54 4:48 2:46:48 - - -
DNF Bib 301 US M70-74 - 1:05:01 12:10 - - - -
DNS Bib 31 MX MPRO - - - - - - -

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