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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 16 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
DNF Bib 312 US M35-39 - - - - - - -
DNS Bib 315 US M45-49 - - - - - - -
DNF Bib 332 US F50-54 - 54:41 6:47 4:54:23 - - -
DNS Bib 35 BR MPRO - - - - - - -
DNS Bib 363 US M45-49 - - - - - - -
DNF Bib 365 US M35-39 - 36:28 3:31 2:38:09 2:04 - -
DNS Bib 39 US MPRO - - - - - - -
DNS Bib 391 US M60-64 - - - - - - -
DNF Bib 402 US M45-49 - 1:05:45 11:33 3:53:06 9:11 - -
DNF Bib 406 US M45-49 - 1:00:13 5:39 - - - -
DNF Bib 417 US M50-54 - 32:53 5:28 2:49:34 5:24 - -
DNF Bib 431 US M55-59 - - - - - - -
DNS Bib 45 CO MPRO - - - - - - -
DNF Bib 451 US M50-54 - 43:21 3:02 2:47:17 7:59 - -
DNF Bib 47 US MPRO - 27:24 1:18 2:15:38 - - -
DNF Bib 474 US F35-39 - 1:14:37 - - - - -
DNF Bib 485 US M50-54 - 48:28 11:45 4:10:51 10:30 3:35:55 -
DNF Bib 492 US M45-49 - 35:13 2:48 - - - -
DNF Bib 500 US F40-44 - 1:23:36 - - - - -
DNF Bib 506 US M30-34 - 1:09:53 6:19 4:36:24 - - -
DNF Bib 507 US M45-49 - - - - - - -
DNF Bib 508 US F55-59 - 50:24 4:00 3:25:16 4:38 - -
DNF Bib 520 US M45-49 - - - - - - -
DNF Bib 533 US M25-29 - - - - - - -
DNF Bib 537 US M55-59 - 53:41 7:47 - - - -
DNF Bib 559 US M35-39 - 1:10:03 5:30 3:14:05 3:35 2:20:22 -
DNS Bib 568 US M35-39 - - - - - - -
DNF Bib 578 US F60-64 - 57:29 8:00 4:01:22 7:36 3:19:31 -
DNF Bib 579 US F65-69 - 57:44 7:41 4:43:55 - - -
DNF Bib 581 US M55-59 - 1:20:01 - - - - -
DNF Bib 591 US M30-34 - 1:21:48 - - - - -
DNF Bib 599 US F50-54 - 58:59 6:46 4:13:01 4:59 3:19:01 -
DNF Bib 604 US F35-39 - 1:17:37 - - - - -
DNF Bib 618 US M60-64 - 45:07 8:13 4:38:01 5:11 3:30:34 -
DNF Bib 628 US M45-49 - 1:21:17 - - - - -
DNS Bib 63 US FPRO - - - - - - -
DNF Bib 641 US F45-49 - 37:01 4:21 2:58:46 - - -
DNS Bib 65 US FPRO - - - - - - -
DNF Bib 650 US M30-34 - 56:19 10:46 3:47:19 10:08 3:27:13 -
DNF Bib 70 US FPRO - 30:16 1:40 2:32:37 3:08 - -
DNF Bib 702 US F30-34 - 49:03 5:03 - - - -
DNF Bib 720 US F45-49 - 47:05 8:26 3:56:24 11:14 3:37:13 -
DNF Bib 761 US F50-54 - 53:20 8:47 4:24:23 7:09 - -
DNF Bib 765 US M35-39 - 1:25:27 - - - - -
DNS Bib 80 US FPRO - - - - - - -
DNS Bib 8001 Unknown - - - - - - -
DNS Bib 8002 Unknown - - - - - - -
DNF Bib 807 US M35-39 - 50:15 8:06 - - - -
DNF Bib 808 US M50-54 - - - - - - -
DNF Bib 861 US F50-54 - 1:10:55 1:14:40 - - - -
DNS Bib 871 US M50-54 - - - - - - -
DNF Bib 877 US M50-54 - 59:39 8:15 3:15:31 16:46 - -
DNF Bib 890 PR M55-59 - 47:02 5:49 - - - -
DNF Bib 897 US M25-29 - 32:05 4:30 4:07:19 3:28 - -
DNF Bib 9 US MPRO - 28:38 1:33 - - - -
DNF Bib 906 US F25-29 - 31:32 2:13 2:44:32 1:34 - -
DNF Bib 920 US F50-54 - 53:00 5:02 - - - -
DNF Bib 922 US F45-49 - 51:07 6:13 3:48:27 4:31 3:40:44 -
DNF Bib 928 US M25-29 - - - - - - -
DNS Bib 949 US M55-59 - - - - - - -
DNF Bib 960 US M25-29 - - - - - - -
DNF Bib 965 US F45-49 - 59:32 9:35 4:11:26 5:58 3:08:04 -
DNF Bib 974 US M65-69 - 1:04:29 7:40 - - - -
DNF Bib 978 US M50-54 - 45:23 6:17 3:32:17 - - -
DNF Bib 980 US F40-44 - 42:04 4:32 4:24:24 3:09 3:20:32 -
DNS Bib 988 US M35-39 - - - - - - -
DNS Bib 993 US F35-39 - - - - - - -
DNS Bib 994 US M65-69 - - - - - - -

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