Saturday, March 13, 2027Chesterfield, MO
Chesterfield Shamrock 5k/10k & Leprechaun Fun Run
View on RunSignup ↗Registration opens Nov 25, 2026
2 events
- 5k Run/Walk5KRoadStarts 8:30 AM
- 10k Run/Walk10KRoadStarts 8:30 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 85/100
- High / low
- 57° / 35°F
- 14° / 2°C
- Humidity
- 77%
- Dew point 38°F
- Chance of rain
- 32%
- Wind
- 8 mph
- Average
- Usually cold for a short race: about 40°F while racing.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.