Age-group thresholds
IRONMAN Maryland · 11 editions (2014, 2015, 2016, 2017, 2018, 2019, 2021, 2022, 2023, 2024, 2025) · 15,055 finishers
Editions: 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2021 · 2022 · 2023 · 2024 · 2025
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 | 10,863 | 8:23:11 | 9:27:46 | 10:03:38 | 10:52:10 | 12:41:54 | 6:59:24 |
| MPRO | 20 | 6:59:47 | 6:59:47 | 7:03:37 | 7:12:59 | 7:37:40 | 6:59:47 |
| M18-24 | 416 | 8:58:11 | 9:43:03 | 10:21:50 | 10:56:33 | 12:36:55 | 7:17:40 |
| M25-29 | 939 | 8:18:53 | 9:16:33 | 9:46:30 | 10:35:58 | 12:20:50 | 7:14:38 |
| M30-34 | 1,243 | 8:19:45 | 9:07:45 | 9:44:13 | 10:29:54 | 12:24:55 | 6:59:24 |
| M35-39 | 1,555 | 7:54:54 | 9:04:21 | 9:34:55 | 10:26:14 | 12:07:13 | 7:04:48 |
| M40-44 | 1,742 | 8:21:47 | 9:22:10 | 9:55:49 | 10:39:48 | 12:26:22 | 7:13:55 |
| M45-49 | 1,813 | 8:37:53 | 9:35:11 | 10:06:15 | 10:50:47 | 12:36:03 | 7:41:27 |
| M50-54 | 1,604 | 8:52:38 | 9:59:25 | 10:33:47 | 11:25:54 | 13:08:19 | 7:56:52 |
| M55-59 | 894 | 9:13:15 | 10:18:53 | 10:47:16 | 11:36:19 | 13:22:59 | 8:27:33 |
| M60-64 | 446 | 9:43:22 | 10:41:39 | 11:12:16 | 12:09:03 | 13:48:59 | 8:59:10 |
| M65-69 | 132 | 9:46:18 | 10:19:04 | 11:35:24 | 12:31:32 | 14:22:18 | 9:35:55 |
| M70-74 | 49 | 10:45:02 | 11:46:36 | 12:19:19 | 12:51:52 | 14:33:59 | 10:45:02 |
| M75-79 | 9 | 13:27:24 | 13:27:24 | 13:27:24 | 14:01:49 | 16:11:49 | 13:27:24 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 4,192 | 9:05:09 | 10:19:24 | 10:55:57 | 11:48:44 | 13:33:00 | 7:56:40 |
| FPRO | 18 | 7:56:40 | 7:56:40 | 8:07:54 | 8:14:39 | 8:42:01 | 7:56:40 |
| F18-24 | 107 | 9:50:06 | 10:05:05 | 10:53:44 | 11:49:31 | 13:17:23 | 8:46:33 |
| F25-29 | 383 | 9:23:28 | 10:01:46 | 10:41:04 | 11:23:03 | 13:10:24 | 8:32:56 |
| F30-34 | 515 | 9:07:45 | 9:59:52 | 10:23:46 | 11:13:34 | 13:08:31 | 8:23:54 |
| F35-39 | 595 | 8:32:52 | 10:03:47 | 10:29:45 | 11:30:34 | 13:17:04 | 8:14:27 |
| F40-44 | 738 | 9:26:01 | 10:18:50 | 10:53:28 | 11:43:17 | 13:21:47 | 8:25:20 |
| F45-49 | 773 | 9:24:31 | 10:49:35 | 11:15:30 | 11:59:28 | 13:36:46 | 8:30:22 |
| F50-54 | 540 | 9:51:12 | 10:51:59 | 11:24:46 | 12:07:27 | 13:52:09 | 9:00:22 |
| F55-59 | 339 | 10:27:26 | 11:17:47 | 11:52:15 | 12:47:12 | 14:14:58 | 9:44:28 |
| F60-64 | 138 | 11:10:42 | 11:45:46 | 12:17:11 | 12:40:08 | 14:42:23 | 11:04:07 |
| F65-69 | 42 | 10:34:32 | 12:40:00 | 13:57:37 | 14:18:30 | 15:21:38 | 10:34:32 |
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.