Sunday, October 25, 2026Portsmouth, NH
Seacoast Half Marathon
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1 event
- Seacoast Half MarathonHalfRoadStarts 8:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 93/100
- High / low
- 58° / 40°F
- 15° / 5°C
- Humidity
- 80%
- Dew point 42°F
- Chance of rain
- 33%
- Wind
- 5 mph
- Average
- Usually ideal weather for a half marathon.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- 6% fasterFinish times are typically 6% faster than at other half marathons.4 years, 3,054 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2025 | Seacoast Half Marathon · Half | 943 | 2:04:33 | 1:57:14 | 2:09:43 |
| 2024 | Seacoast Half Marathon · Half | 696 | 2:04:17 | 1:57:37 | 2:12:03 |
| 2023 | Seacoast Half Marathon · Half | 712 | 2:02:48 | 1:55:38 | 2:09:01 |
| 2022 | Seacoast Half Marathon (in-person) · Half | 703 | 2:01:34 | 1:54:41 | 2:08:21 |
Median finish times from results published on RunSignup. Keyrace keeps only these summaries, never individual results. A fast or slow field affects times as much as the course does.