Saturday, May 29, 2027Enumclaw, WA
Spring - Mud Mountain Dam Marathon & Half Marathon
2 events
- Spring - Dam MarathonMarathonRoadStarts 7:00 AM
- Spring - Dam Half MarathonHalfRoadStarts 8:15 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 90/100
- High / low
- 59° / 39°F
- 15° / 4°C
- Humidity
- 78%
- Dew point 41°F
- Chance of rain
- 41%
- Wind
- 4 mph
- Average
- Rain on about 41% of days around this date.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- Typical timesFinish times are typical for half marathons.1 year, 213 finishers; men and women compared separately.
- 12% fasterFinish times are typically 12% faster than at other marathons.1 year, 180 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Spring - Dam Marathon · Marathon | 180 | 3:52:06 | 3:49:24 | 4:00:01 |
| 2026 | Spring - Dam Half Marathon · Half | 213 | 2:10:40 | 2:00:46 | 2:15:03 |
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.