Results and finish times
Diamond in the Rough Triathlon results
Finish-time statistics for 2 years of Diamond in the Rough Triathlon in Perryville, Maryland, aggregated from official results. Names are not published here.
How fast is it?
Faster than most Maryland sprint triathlons
The fastest quarter of the 2026 sprint triathlon field finished under 1:03:24, against 1:24:58 in a typical Maryland sprint triathlon, so times here run 25 percent faster.
- Olympic Triathlon: Slower than most US olympic triathlons. The fastest quarter of the 2025 olympic triathlon field finished under 3:00:23, against 2:43:48 in a typical US olympic triathlon, so times here run 10 percent slower.
Compares the fastest quarter of each field, so walkers and first-timers do not skew it. It reflects the course and the field together: a flat course, cool weather, or a competitive crowd all make times faster.
2026
Jul 11, 2026
| Event | Finishers | Winner | Median | Middle half | Women median | Men median |
|---|---|---|---|---|---|---|
| Diamond in the Rough Sprint Triathlon (Individual)Preliminary | 145 | 47:39 | 1:11:56 | 1:03:24 to 1:21:28 | 1:16:19 | 1:07:59 |
| Diamond in the Rough Olympic Triathlon (Individual)Preliminary | 124 | 1:01:10 | 1:28:36 | 1:21:50 to 1:39:48 | 1:32:59 | 1:26:17 |
| Diamond in the Rough Olympic Aquabike (Individual)Preliminary | 8 | 25:00 | 28:22 | 26:57 to 30:10 | 27:38 | 28:36 |
| Diamond in the Rough Olympic Triathlon RelayPreliminary | 7 | 1:24:25 | 1:26:26 | 1:24:36 to 1:33:10 | 1:30:06 | 1:26:26 |
| Diamond in the Rough Sprint Aquabike (Individual)Preliminary | 5 | 26:42 | 31:53 | 30:06 to 35:04 | 31:00 | 35:04 |
| Diamond in the Rough Sprint Triathlon RelayPreliminary | 5 | 57:50 | 1:06:42 | 1:06:06 to 1:18:16 | – | 1:06:42 |
Diamond in the Rough Sprint Triathlon (Individual)
By age group
| 70+ | 9 | 1:21:28 |
| 20-29 | 27 | 1:14:20 |
| 30-39 | 33 | 1:10:34 |
| 40-49 | 20 | 1:09:35 |
| 50-59 | 18 | 1:07:35 |
| 60-69 | 25 | 1:18:39 |
| Under 20 | 13 | 1:01:34 |
Finishers and median time per group.
Diamond in the Rough Olympic Triathlon (Individual)
By age group
| 70+ | 1 | 2:21:27 |
| 20-29 | 17 | 1:26:57 |
| 30-39 | 22 | 1:25:02 |
| 40-49 | 35 | 1:26:17 |
| 50-59 | 25 | 1:29:11 |
| 60-69 | 19 | 1:39:42 |
| Under 20 | 4 | 1:26:16 |
Finishers and median time per group.
2025
Jul 12, 2025
| Event | Finishers | Winner | Median | Middle half | Women median | Men median |
|---|---|---|---|---|---|---|
| Diamond in the Rough Sprint Triathlon (Individual)Preliminary | 177 | 54:38 | 1:27:31 | 1:17:48 to 1:36:02 | 1:29:34 | 1:24:28 |
| Diamond in the Rough Olympic Triathlon (Individual)Preliminary | 126 | 2:21:42 | 3:16:25 | 3:00:23 to 3:37:17 | 3:16:18 | 3:17:13 |
| Diamond in the Rough Sprint Aquabike (Individual)Preliminary | 14 | 38:17 | 57:08 | 50:40 to 1:10:00 | 54:46 | 1:02:46 |
| Diamond in the Rough Olympic Aquabike (Individual)Preliminary | 9 | 1:41:16 | 2:04:14 | 1:51:40 to 2:21:20 | 2:26:39 | 1:55:07 |
| Diamond in the Rough Sprint Triathlon RelayPreliminary | 6 | 1:13:28 | 1:33:22 | 1:19:06 to 1:40:00 | 1:21:57 | 1:38:47 |
| Diamond in the Rough Olympic Triathlon RelayPreliminary | 5 | 2:39:37 | 3:19:29 | 2:42:00 to 3:24:58 | 3:02:18 | 3:19:29 |
Diamond in the Rough Sprint Triathlon (Individual)
By age group
| 70+ | 6 | 1:37:46 |
| 20-29 | 14 | 1:25:24 |
| 30-39 | 47 | 1:26:12 |
| 40-49 | 41 | 1:25:20 |
| 50-59 | 40 | 1:28:30 |
| 60-69 | 23 | 1:27:35 |
| Under 20 | 5 | 1:13:10 |
Finishers and median time per group.
Diamond in the Rough Olympic Triathlon (Individual)
By age group
| 20-29 | 21 | 3:12:13 |
| 30-39 | 22 | 3:23:46 |
| 40-49 | 36 | 3:09:15 |
| 50-59 | 25 | 3:16:09 |
| 60-69 | 16 | 3:22:58 |
| Under 20 | 2 | 2:54:03 |
Finishers and median time per group.
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