Age-group thresholds

IRONMAN Brazil 2010 · 1,399 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 1,241 9:03:48 9:44:29 9:58:56 10:30:20 11:35:44 8:07:39
MPRO 17 8:07:39 8:07:39 8:12:44 8:20:25 8:54:06 8:07:39
M18-24 15 9:44:02 9:44:02 9:46:57 9:58:56 11:07:13 9:44:02
M25-29 100 8:40:27 9:34:51 9:56:35 10:12:18 11:18:22 8:40:27
M30-34 276 9:17:57 9:38:11 9:48:38 10:15:12 11:14:38 9:03:55
M35-39 314 9:27:46 9:49:32 9:58:53 10:24:15 11:26:33 9:07:40
M40-44 248 9:33:18 9:57:59 10:20:58 10:43:19 11:47:52 9:15:48
M45-49 158 9:29:40 9:58:32 10:25:12 10:55:41 11:52:08 9:25:51
M50-54 69 9:40:26 10:16:53 10:35:05 11:03:42 12:17:02 9:40:26
M55-59 30 10:35:54 10:39:05 11:00:33 11:30:27 12:22:21 10:35:54
M60-64 12 11:39:45 11:39:45 12:10:35 12:22:45 13:10:55 11:39:45

Women

Age group Finishers Top 1% Top 5% Top 10% Top 20% Median Best
All age groups 158 9:26:09 10:05:37 10:28:36 10:58:10 12:07:37 9:19:13
FPRO 12 9:19:13 9:19:13 9:26:09 9:36:04 10:07:15 9:19:13
F18-24 9 10:28:36 10:28:36 10:28:36 11:02:36 11:41:26 10:28:36
F25-29 20 10:03:21 10:03:21 10:30:33 11:24:27 11:35:47 10:03:21
F30-34 28 10:14:45 10:21:22 10:40:09 10:57:05 11:58:20 10:14:45
F35-39 24 10:30:03 10:43:40 11:07:50 11:16:27 12:06:09 10:30:03
F40-44 33 9:48:06 10:05:37 10:25:00 11:00:05 12:24:56 9:48:06
F45-49 14 10:33:38 10:33:38 10:54:26 11:32:19 12:52:04 10:33:38
F50-54 12 11:13:42 11:13:42 11:27:41 12:47:07 13:18:43 11:13:42
F55-59 5 12:51:12 12:51:12 12:51:12 12:51:12 13:48:01 12:51:12

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.