Age-group thresholds

IRONMAN Arizona 2012 · 2,358 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 1,716 8:43:20 9:49:39 10:23:39 11:04:08 12:39:05 8:03:13
MPRO 36 8:03:13 8:04:58 8:14:41 8:30:50 8:43:20 8:03:13
M18-24 25 9:32:17 10:27:30 10:31:37 11:35:32 12:57:16 9:32:17
M25-29 109 9:15:06 9:41:02 9:48:50 10:24:43 11:37:07 8:55:34
M30-34 230 9:17:30 9:46:43 10:18:23 10:48:06 12:13:15 9:08:50
M35-39 308 9:10:51 9:54:08 10:19:27 10:53:11 12:22:25 8:50:21
M40-44 414 9:32:34 10:07:26 10:33:54 11:12:15 12:42:33 9:09:39
M45-49 257 9:34:24 9:57:21 10:39:21 11:24:12 12:45:09 9:27:26
M50-54 198 9:51:56 10:50:12 11:14:43 11:50:45 13:11:05 9:49:39
M55-59 90 10:00:49 10:36:29 11:05:17 11:51:54 13:40:04 10:00:49
M60-64 34 11:07:11 11:18:25 12:20:09 12:41:53 14:07:01 11:07:11
M65-69 12 12:01:20 12:01:20 12:29:45 12:55:36 14:15:16 12:01:20

Women

Age group Finishers Top 1% Top 5% Top 10% Top 20% Median Best
All age groups 642 9:28:22 10:28:42 11:09:38 11:56:53 13:34:48 9:01:41
FPRO 23 9:01:41 9:06:41 9:15:10 9:24:27 9:43:50 9:01:41
F18-24 11 10:36:50 10:36:50 11:30:35 11:32:55 13:00:35 10:36:50
F25-29 53 10:07:52 10:16:12 11:06:27 11:22:31 13:19:57 10:07:52
F30-34 97 10:06:41 10:53:23 11:12:11 11:59:19 13:07:25 10:06:41
F35-39 124 10:15:53 10:59:33 11:17:37 12:03:27 13:23:49 10:14:11
F40-44 135 10:24:12 10:47:21 11:24:21 11:57:38 13:35:52 10:09:09
F45-49 90 10:16:39 11:26:27 11:52:34 12:33:37 13:56:47 10:16:39
F50-54 72 10:48:29 11:22:12 11:51:11 12:56:00 13:53:07 10:48:29
F55-59 33 11:06:12 11:54:53 12:28:20 12:55:35 14:20:02 11:06:12

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.