Wednesday, January 20, 2027San Francisco, CA
The Winter Swell
View on RunSignup ↗Registration opens Oct 27, 2026
2 events
- The Open Mile1 miRoadStarts 6:00 PM
- The Open 5K5KRoadStarts 7:30 PM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 94/100
- High / low
- 57° / 44°F
- 14° / 6°C
- Humidity
- 83%
- Dew point 44°F
- Chance of rain
- 29%
- Wind
- 8 mph
- Average
- Usually ideal weather for a short race.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.