Age-group thresholds

IRONMAN Arizona 2006 · 1,723 finishers

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 1,347 9:00:38 10:11:59 10:45:58 11:31:57 13:07:12 8:20:56
MPRO 28 8:20:56 8:22:56 8:27:39 8:39:26 9:00:38 8:20:56
M18-24 45 10:09:59 10:32:27 10:52:28 11:14:21 12:31:23 10:09:59
M25-29 134 9:24:27 10:15:37 11:10:09 11:40:36 12:56:47 9:23:02
M30-34 239 9:43:06 10:07:51 10:36:03 11:22:41 12:51:47 9:30:27
M35-39 316 9:35:30 10:12:48 10:51:11 11:28:33 13:01:42 9:22:56
M40-44 243 10:01:19 10:26:01 10:46:18 11:22:44 12:52:58 9:39:07
M45-49 184 9:52:37 10:54:01 11:27:54 12:09:31 13:13:34 9:52:33
M50-54 86 10:33:36 10:53:45 11:41:51 12:38:42 13:56:38 10:33:36
M55-59 46 10:45:11 11:29:28 11:50:39 13:03:46 14:22:41 10:45:11
M60-64 18 12:21:51 12:21:51 12:40:36 13:38:18 14:04:16 12:21:51

Women

Age group Finishers Top 1% Top 5% Top 10% Top 20% Median Best
All age groups 376 9:44:56 10:43:25 11:18:49 11:58:55 13:44:16 9:12:53
FPRO 15 9:12:53 9:12:53 9:33:25 9:43:36 10:14:15 9:12:53
F18-24 10 10:54:09 10:54:09 10:54:09 11:39:31 13:39:18 10:54:09
F25-29 50 10:16:06 10:42:40 11:07:23 11:26:22 12:54:59 10:16:06
F30-34 82 10:27:53 11:06:10 11:20:51 11:49:14 13:24:20 10:27:53
F35-39 76 10:45:48 11:23:45 11:54:38 12:35:09 14:03:38 10:45:48
F40-44 67 10:43:25 11:07:53 11:18:49 12:08:21 13:55:17 10:43:25
F45-49 46 11:36:06 12:09:06 12:14:35 12:48:04 14:10:19 11:36:06
F50-54 25 11:55:33 12:09:49 12:16:33 13:01:58 14:46:28 11:55:33

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.