Age-group thresholds
IRONMAN Japan South Hokkaido · 10 editions (2006, 2007, 2008, 2009, 2013, 2014, 2015, 2024, 2025, 2026) · 9,410 finishers
Editions: 2006 · 2007 · 2008 · 2009 · 2013 · 2014 · 2015 · 2024 · 2025 · 2026
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 | 8,464 | 9:25:08 | 10:20:26 | 10:52:39 | 11:36:37 | 13:16:26 | 8:28:31 |
| MPRO | 89 | 8:28:31 | 8:42:54 | 8:46:32 | 8:53:40 | 9:15:35 | 8:28:31 |
| M18-24 | 147 | 9:25:08 | 9:48:45 | 10:19:54 | 10:52:37 | 12:39:31 | 9:16:19 |
| M25-29 | 414 | 9:35:07 | 10:02:47 | 10:28:20 | 11:08:09 | 12:40:05 | 9:22:34 |
| M30-34 | 794 | 9:19:38 | 10:00:30 | 10:24:25 | 11:02:41 | 12:39:08 | 8:34:30 |
| M35-39 | 1,165 | 9:24:59 | 10:05:14 | 10:30:18 | 11:15:52 | 12:49:14 | 8:41:58 |
| M40-44 | 1,518 | 9:45:17 | 10:22:26 | 10:48:51 | 11:26:13 | 12:59:09 | 9:02:26 |
| M45-49 | 1,531 | 10:01:58 | 10:38:37 | 11:04:45 | 11:44:09 | 13:17:54 | 9:11:19 |
| M50-54 | 1,299 | 10:22:11 | 10:57:18 | 11:25:18 | 12:03:50 | 13:44:32 | 9:46:04 |
| M55-59 | 827 | 10:36:18 | 11:11:44 | 11:46:03 | 12:23:47 | 13:55:30 | 9:59:08 |
| M60-64 | 476 | 11:11:15 | 11:44:39 | 12:06:36 | 12:57:35 | 14:29:45 | 10:54:46 |
| M65-69 | 150 | 11:39:28 | 12:10:16 | 12:30:59 | 12:54:06 | 14:48:01 | 11:08:10 |
| M70-74 | 41 | 11:45:11 | 12:38:11 | 13:01:18 | 13:46:05 | 14:44:03 | 11:45:11 |
| M75-79 | 10 | 13:38:20 | 13:38:20 | 13:38:20 | 13:53:57 | 14:51:29 | 13:38:20 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 946 | 9:52:37 | 10:39:42 | 11:11:21 | 12:02:44 | 13:35:31 | 8:38:04 |
| FPRO | 48 | 9:04:03 | 9:37:12 | 9:48:35 | 9:56:00 | 10:14:19 | 9:04:03 |
| F18-24 | 22 | 10:38:43 | 10:40:05 | 10:50:44 | 11:56:03 | 12:58:11 | 10:38:43 |
| F25-29 | 55 | 10:09:15 | 10:44:40 | 11:09:21 | 11:31:34 | 12:47:04 | 10:09:15 |
| F30-34 | 86 | 10:20:33 | 10:45:47 | 10:56:31 | 11:24:57 | 12:56:21 | 10:20:33 |
| F35-39 | 155 | 10:05:58 | 10:45:52 | 11:22:15 | 12:01:06 | 13:32:51 | 9:45:48 |
| F40-44 | 176 | 10:31:29 | 11:18:41 | 11:45:33 | 12:19:52 | 13:29:58 | 9:52:37 |
| F45-49 | 140 | 11:09:47 | 11:44:00 | 11:48:59 | 12:23:30 | 13:16:46 | 10:12:22 |
| F50-54 | 134 | 11:14:42 | 11:44:56 | 12:19:01 | 12:45:45 | 14:27:03 | 11:11:11 |
| F55-59 | 72 | 12:09:44 | 12:38:41 | 13:12:21 | 13:28:41 | 15:03:23 | 12:09:44 |
| F60-64 | 41 | 11:47:02 | 12:40:56 | 13:08:04 | 13:54:27 | 15:09:23 | 11:47:02 |
| F65-69 | 5 | 14:24:47 | 14:24:47 | 14:24:47 | 14:24:47 | 15:25:55 | 14:24:47 |
| FRELAY | 10 | 8:38:04 | 8:38:04 | 8:38:04 | 10:11:31 | 11:56:39 | 8:38:04 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 3.6 million IRONMAN triathlon records with transition times (2002-2026), v4.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.23421027.