Age-group thresholds

IRONMAN 70.3 Des Moines · 1 editions (2021) · 2,319 finishers

Editions: 2021

How to read it: in each row, the time under "Top 10%" is the time of the slowest athlete who still made the fastest 10% of the age group. Beat that time and you are in. Age groups with fewer than 5 finishers are omitted. Finishers only.

Men

Age group Finishers Top 1% Top 5% Top 10% Top 20% Median Best
All age groups 1,490 2:53:50 3:20:38 3:37:19 3:57:00 4:38:13 2:38:21
MPRO 31 2:38:21 2:39:43 2:42:33 2:45:18 2:54:15 2:38:21
M18-24 44 3:13:23 3:18:41 3:28:17 3:52:48 4:21:20 3:13:23
M25-29 130 3:00:07 3:09:58 3:27:54 3:40:56 4:23:55 2:58:59
M30-34 192 3:08:10 3:21:52 3:32:44 3:44:56 4:38:49 2:59:00
M35-39 231 3:10:17 3:26:10 3:40:25 4:00:11 4:30:15 3:05:35
M40-44 288 3:14:08 3:27:51 3:41:31 3:52:11 4:32:01 3:09:33
M45-49 196 3:19:53 3:37:27 3:47:50 4:05:26 4:39:51 3:12:34
M50-54 183 3:17:51 3:40:09 3:51:00 4:04:49 4:49:47 3:14:26
M55-59 106 3:34:56 3:47:42 4:05:13 4:21:19 5:02:08 3:34:13
M60-64 62 3:50:57 4:05:18 4:22:08 4:29:36 5:06:57 3:50:57
M65-69 20 3:58:43 3:58:43 4:03:21 4:24:08 5:40:59 3:58:43
M70-74 5 4:48:03 4:48:03 4:48:03 4:48:03 5:32:04 4:48:03

Women

Age group Finishers Top 1% Top 5% Top 10% Top 20% Median Best
All age groups 829 3:13:04 3:45:37 4:02:31 4:26:34 5:02:26 2:53:46
FPRO 18 2:53:46 2:53:46 2:55:26 3:02:34 3:13:04 2:53:46
F18-24 26 3:44:49 3:50:44 3:58:51 4:07:42 4:40:58 3:44:49
F25-29 50 3:14:12 3:38:28 3:41:07 4:12:20 4:46:41 3:14:12
F30-34 75 3:34:01 3:46:15 3:55:21 4:17:18 4:59:31 3:34:01
F35-39 131 3:27:57 3:46:10 4:00:30 4:20:33 4:56:57 3:27:41
F40-44 168 3:35:04 3:54:54 4:08:43 4:25:05 4:55:44 3:26:48
F45-49 132 3:45:33 3:51:34 4:17:17 4:36:41 5:00:40 3:42:38
F50-54 105 4:07:22 4:24:28 4:28:46 4:41:36 5:11:36 3:46:17
F55-59 68 3:37:55 3:56:35 4:14:48 4:36:12 5:14:45 3:37:55
F60-64 40 4:20:20 4:31:33 4:42:39 4:55:30 5:26:15 4:20:20
F65-69 15 4:23:12 4:23:12 4:45:14 4:46:55 5:28:09 4:23:12

Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 2.7 million IRONMAN triathlon records with transition times (2002-2026), v3.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.22097794.