14Mar
Pi Day 3.14 mile (5k)
Running
- Distance
- 5.1K
- Start time
- 08:00
- Entry fee
- $31.41
Pi Day 3.14 Mile (5k) Run
San Francisco,
California,
United States
130 days left
runsignup.com
Date
14 Mar, 2027
Races
1 distance
Entry fee
$31.41
Runner rating
Be the first to rate
Website
Official website
Pi Day 3.14 Mile (5k) Run
About the event
Pi Day 2027 is on a ~Sunday~ so we're organizing a 3.14 mile run along the embarcadero to commemorate this mathematical anomaly
Pies at the finish line!!!
Races offered
Weather history
3-year monthly averages for March in San Francisco.
Temperature8.6° / 14.2°
Feels like4.7° / 10.7°
Sunshine hours9h 4m
Rainfall4.8 mm
Snowfall—
Wind15.7 km/h (Gentle breeze)
Humidity77.2%
Max UV indexModerate (4.0)
Sweat lossLow
Course conditionsFirm and slightly soft
Sunrise06:18
Sunset18:17
About San Francisco
Learn more about the host city, San Francisco.
San Francisco, officially the City and County of San Francisco, is the 17th-largest city and second-densest major city in the United States, with a 2025 population of 826,079. It is the fourth-most populous city in California and the second most-populous in the Bay Area. Some 4.6 million residents live in the city's metropolitan statistical area. Around 9.2 million live in the San Jose–San Francisco–Oakland combined statistical area, the fifth-largest in the United States. San Francisco is a global center for technology and finance, and is well-known for its affluence, eclectic architecture, and mild climate.
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