What is the weather usually like on race day for the Pi Day 3.14 Mile (5k) Run?

Based on the last 10 years of weather data for San Francisco, CA, March race mornings typically start near 48°F and warm to around 60°F. On this calendar date it has rained in 5 of the last 10 years.

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Pi Day 3.14 Mile (5k) Run

Sun, Mar 14, 2027

In 130 days

San Francisco, CA

Conservatory of Flowers

Typically 48–60°F · some rain risk

See last 10 years

On this date: rain 5 of the last 10 years

2026

53–71°F

dry

2025

43–54°F

rain

2024

52–65°F

dry

2023

47–58°F

rain

2022

45–58°F

dry

2021

45–55°F

rain

2020

49–52°F

rain

2019

44–59°F

dry

2018

48–53°F

rain

2017

50–71°F

dry

Best months to race in California →

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About this race

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!!!

Course map

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Train with a club

Run clubs near San Francisco to train with before race day.

Muni Run Club

San Francisco, CA

San Francisco Running Company

San Francisco, CA

Oh! Run Club

San Francisco, CA

Run365 SF

San Francisco, CA

See all run clubs near San Francisco →

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Pi Day 3.14 Mile (5k) Run

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