Age-group thresholds

IRONMAN Arizona 2018 · 2,237 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 1,595 8:48:14 9:52:55 10:40:46 11:26:53 13:08:52 8:04:24
MPRO 25 8:04:24 8:08:41 8:09:53 8:15:46 8:40:00 8:04:24
M18-24 19 10:13:05 10:13:05 10:20:29 11:18:45 12:08:49 10:13:05
M25-29 63 8:57:55 9:26:15 9:39:31 10:54:20 12:39:10 8:57:55
M30-34 134 9:34:51 9:56:30 10:44:31 11:10:52 12:30:03 8:46:38
M35-39 228 9:00:50 9:39:37 9:55:25 10:46:49 12:11:12 8:48:42
M40-44 297 9:29:05 10:16:27 10:45:55 11:30:52 13:05:40 9:00:49
M45-49 341 9:29:45 10:20:00 10:53:56 11:32:46 13:03:49 9:10:10
M50-54 249 9:53:36 10:49:04 11:39:27 12:17:11 13:37:38 9:52:43
M55-59 151 10:35:07 11:09:02 11:35:26 12:39:23 13:54:09 10:15:16
M60-64 57 10:46:55 11:03:51 11:55:44 12:37:06 14:10:54 10:46:55
M65-69 19 11:47:07 11:47:07 11:52:05 12:45:35 14:35:05 11:47:07
MPC 7 10:57:17 10:57:17 10:57:17 10:57:17 13:11:27 10:57:17

Women

Age group Finishers Top 1% Top 5% Top 10% Top 20% Median Best
All age groups 642 9:27:12 10:48:28 11:30:50 12:27:22 14:08:15 8:39:18
FPRO 13 8:39:18 8:39:18 8:44:13 8:51:29 9:27:12 8:39:18
F18-24 12 10:38:57 10:38:57 11:10:31 11:25:57 13:53:50 10:38:57
F25-29 42 10:37:17 10:53:36 10:58:33 11:39:55 13:56:07 10:37:17
F30-34 76 9:51:54 10:20:39 11:07:54 11:30:53 13:31:20 9:51:54
F35-39 111 10:26:58 10:47:11 11:20:54 11:59:03 13:41:40 10:19:09
F40-44 114 10:26:41 11:07:23 12:05:21 12:32:36 13:52:22 10:17:38
F45-49 121 10:21:11 11:47:37 12:22:47 13:07:28 14:27:21 10:13:25
F50-54 96 11:03:13 11:47:58 12:13:39 13:10:35 14:27:00 11:03:13
F55-59 41 12:13:39 12:17:14 12:38:48 13:12:04 14:48:28 12:13:39
F60-64 14 13:01:25 13:01:25 13:15:00 13:30:57 15:05:08 13:01:25

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.