Age-group thresholds
IRONMAN North American Championship Texas · 4 editions (2016, 2017, 2018, 2019) · 8,745 finishers
Editions: 2016 · 2017 · 2018 · 2019
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 | 6,444 | 8:13:14 | 9:09:51 | 9:44:51 | 10:45:06 | 12:35:12 | 7:13:13 |
| MPRO | 121 | 7:21:56 | 7:33:08 | 7:40:37 | 7:50:55 | 8:14:17 | 7:13:13 |
| M18-24 | 111 | 8:45:41 | 8:59:06 | 9:38:38 | 10:22:26 | 12:33:03 | 8:35:59 |
| M25-29 | 372 | 8:17:27 | 9:05:58 | 9:44:46 | 10:35:39 | 12:18:31 | 8:06:09 |
| M30-34 | 738 | 8:30:24 | 8:58:59 | 9:27:52 | 10:17:54 | 12:09:48 | 7:53:17 |
| M35-39 | 991 | 8:43:01 | 9:07:37 | 9:29:44 | 10:30:03 | 12:11:26 | 8:12:58 |
| M40-44 | 1,323 | 8:42:36 | 9:17:56 | 9:44:51 | 10:42:32 | 12:24:19 | 8:21:39 |
| M45-49 | 1,296 | 8:55:18 | 9:36:14 | 10:12:51 | 11:02:14 | 12:43:35 | 8:19:20 |
| M50-54 | 792 | 9:08:37 | 9:40:52 | 10:22:55 | 11:20:02 | 13:09:10 | 8:38:33 |
| M55-59 | 438 | 9:35:43 | 10:23:22 | 10:53:17 | 11:48:18 | 13:40:49 | 9:04:15 |
| M60-64 | 184 | 10:05:30 | 10:34:25 | 11:08:17 | 11:36:54 | 13:39:08 | 10:03:23 |
| M65-69 | 53 | 10:04:45 | 10:51:37 | 11:17:55 | 12:13:40 | 13:37:32 | 10:04:45 |
| M70-74 | 21 | 11:20:07 | 11:52:33 | 11:59:27 | 12:28:39 | 14:40:10 | 11:20:07 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 2,301 | 8:50:59 | 9:47:37 | 10:27:50 | 11:23:52 | 13:23:31 | 8:11:01 |
| FPRO | 65 | 8:11:01 | 8:22:06 | 8:32:37 | 8:45:13 | 9:05:06 | 8:11:01 |
| F18-24 | 31 | 9:43:51 | 10:30:28 | 11:02:58 | 11:36:34 | 13:53:38 | 9:43:51 |
| F25-29 | 167 | 8:48:08 | 9:42:12 | 10:04:16 | 10:53:02 | 12:31:34 | 8:41:02 |
| F30-34 | 313 | 9:18:06 | 9:42:29 | 10:13:23 | 11:10:59 | 12:51:59 | 8:50:29 |
| F35-39 | 362 | 9:23:13 | 9:53:44 | 10:27:50 | 11:19:45 | 13:22:13 | 8:57:00 |
| F40-44 | 498 | 9:36:49 | 10:19:12 | 10:47:49 | 11:43:08 | 13:30:06 | 9:11:42 |
| F45-49 | 424 | 9:47:29 | 10:24:14 | 10:58:11 | 11:46:31 | 13:26:35 | 9:10:01 |
| F50-54 | 268 | 9:44:58 | 10:39:23 | 11:15:54 | 11:50:58 | 13:49:02 | 9:27:50 |
| F55-59 | 122 | 10:38:03 | 10:56:58 | 11:23:52 | 12:32:57 | 14:31:05 | 10:30:23 |
| F60-64 | 32 | 10:56:01 | 11:01:24 | 12:42:38 | 12:53:15 | 14:07:59 | 10:56:01 |
| F65-69 | 18 | 12:26:07 | 12:26:07 | 12:52:36 | 13:51:17 | 15:27:08 | 12:26:07 |
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.