Age-group thresholds
IRONMAN 70.3 Kansas · 7 editions (2008, 2009, 2010, 2011, 2012, 2013, 2014) · 8,744 finishers
Editions: 2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014
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 | 6,342 | 4:06:16 | 4:34:03 | 4:48:49 | 5:07:15 | 5:46:03 | 3:44:07 |
| MPRO | 107 | 3:44:31 | 3:50:44 | 3:54:05 | 3:58:41 | 4:05:18 | 3:44:07 |
| M18-24 | 295 | 4:13:15 | 4:23:57 | 4:36:02 | 4:57:15 | 5:34:46 | 4:05:32 |
| M25-29 | 730 | 4:14:58 | 4:28:04 | 4:41:19 | 4:58:18 | 5:37:16 | 4:04:17 |
| M30-34 | 1,069 | 4:19:01 | 4:33:35 | 4:46:01 | 5:05:11 | 5:42:21 | 4:01:26 |
| M35-39 | 1,310 | 4:21:03 | 4:41:41 | 4:52:33 | 5:07:57 | 5:44:17 | 4:04:41 |
| M40-44 | 1,245 | 4:28:45 | 4:45:53 | 4:54:55 | 5:10:44 | 5:46:25 | 4:04:30 |
| M45-49 | 762 | 4:30:59 | 4:44:01 | 4:56:55 | 5:13:07 | 5:52:24 | 4:20:17 |
| M50-54 | 466 | 4:33:48 | 4:51:04 | 5:04:27 | 5:21:02 | 5:58:27 | 4:21:12 |
| M55-59 | 210 | 4:51:55 | 5:04:04 | 5:15:35 | 5:32:58 | 6:07:34 | 4:50:23 |
| M60-64 | 91 | 4:47:00 | 5:06:00 | 5:26:37 | 5:44:07 | 6:23:18 | 4:47:00 |
| M65-69 | 34 | 5:23:00 | 5:32:50 | 5:42:16 | 5:48:19 | 6:29:06 | 5:23:00 |
| MUNKNOWN | 14 | 4:42:06 | 4:42:06 | 4:59:27 | 5:07:14 | 5:47:12 | 4:42:06 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 2,402 | 4:29:18 | 4:56:34 | 5:09:51 | 5:29:15 | 6:10:04 | 4:07:49 |
| FPRO | 65 | 4:07:49 | 4:13:47 | 4:15:13 | 4:19:42 | 4:35:05 | 4:07:49 |
| F18-24 | 108 | 4:42:14 | 5:00:28 | 5:12:22 | 5:30:13 | 6:02:23 | 4:38:26 |
| F25-29 | 340 | 4:43:46 | 4:58:31 | 5:05:10 | 5:22:20 | 6:02:20 | 4:32:44 |
| F30-34 | 450 | 4:38:46 | 4:56:07 | 5:06:18 | 5:25:13 | 6:03:38 | 4:29:44 |
| F35-39 | 480 | 4:46:20 | 5:01:28 | 5:13:19 | 5:30:46 | 6:11:33 | 4:40:28 |
| F40-44 | 426 | 5:00:12 | 5:11:56 | 5:22:29 | 5:33:03 | 6:13:53 | 4:56:34 |
| F45-49 | 290 | 4:58:31 | 5:16:51 | 5:30:05 | 5:47:57 | 6:18:54 | 4:46:17 |
| F50-54 | 162 | 4:58:55 | 5:17:27 | 5:30:21 | 5:48:13 | 6:16:08 | 4:55:07 |
| F55-59 | 49 | 5:06:39 | 5:30:28 | 5:41:19 | 5:57:58 | 6:23:34 | 5:06:39 |
| F60-64 | 18 | 5:43:34 | 5:43:34 | 5:59:27 | 6:15:59 | 7:23:58 | 5:43:34 |
| FUNKNOWN | 11 | 5:02:38 | 5:02:38 | 5:03:06 | 5:15:48 | 6:00:18 | 5:02:38 |
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.