Saturday, October 31, 2026Newburyport, MA
PortRun Half Marathon & 5K
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2 events
- Half MarathonHalfRoadStarts 8:00 AM
- 5K5KRoadStarts 8:15 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 94/100
- High / low
- 55° / 38°F
- 13° / 3°C
- Humidity
- 81%
- Dew point 40°F
- Chance of rain
- 31%
- 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
- 10% fasterFinish times are typically 10% faster than at other 5Ks.2 years, 390 finishers; men and women compared separately.
- 5% fasterFinish times are typically 5% faster than at other half marathons.1 year, 288 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2025 | Half Marathon · Half | 288 | 2:05:24 | 1:58:16 | 2:11:44 |
| 2025 | 5K · 5K | 225 | 31:26 | 29:16 | 33:15 |
| 2023 | 5K · 5K | 165 | 31:50 | 29:03 | 33:36 |
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.