Age-group thresholds

IRONMAN Brazil 2024 · 1,253 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 1,111 8:40:19 9:12:33 9:34:52 10:05:32 11:21:14 7:58:37
M18-24 11 8:39:04 8:39:04 10:16:54 10:32:37 11:58:30 8:39:04
M25-29 37 9:03:08 9:08:19 9:23:57 9:57:26 10:52:35 9:03:08
M30-34 121 8:40:19 8:53:56 9:09:45 9:31:03 10:48:19 8:08:38
M35-39 223 8:42:07 8:59:13 9:19:28 9:45:13 10:51:26 8:30:30
M40-44 282 8:49:57 9:13:12 9:34:52 10:09:48 11:16:50 8:14:11
M45-49 208 8:43:10 9:22:38 9:51:40 10:16:51 11:25:38 8:36:09
M50-54 125 9:18:50 9:44:09 10:11:46 10:46:56 12:05:40 8:59:30
M55-59 58 9:29:28 9:43:46 10:29:06 11:00:58 12:41:01 9:29:28
M60-64 30 10:03:06 10:36:17 11:07:52 11:22:05 13:17:15 10:03:06
M65-69 6 11:40:52 11:40:52 11:40:52 11:44:58 12:03:46 11:40:52
M70-74 5 12:57:30 12:57:30 12:57:30 12:57:30 14:35:33 12:57:30

Women

Age group Finishers Top 1% Top 5% Top 10% Top 20% Median Best
All age groups 142 9:16:08 9:49:21 10:16:49 10:43:35 12:07:11 8:57:41
FPRO 5 8:57:41 8:57:41 8:57:41 8:57:41 9:23:45 8:57:41
F25-29 11 9:33:46 9:33:46 9:46:26 10:45:47 12:12:52 9:33:46
F30-34 14 10:00:39 10:00:39 10:27:35 10:36:44 11:38:42 10:00:39
F35-39 32 9:27:14 9:49:21 10:01:15 10:34:51 11:55:12 9:27:14
F40-44 31 9:39:06 10:16:49 10:29:22 10:59:22 11:45:03 9:39:06
F45-49 20 10:40:56 10:40:56 10:43:35 11:05:00 12:57:29 10:40:56
F50-54 17 10:51:20 10:51:20 11:04:04 11:29:33 12:43:03 10:51:20
F55-59 8 11:50:00 11:50:00 11:50:00 12:45:55 13:05:46 11:50:00

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.