Pi Day 3.14 Mile (5k) Run
Updated
Sunday, March 14, 2027, first start 8:00 AM, in San Francisco (Conservatory of Flowers). Distances: 5K. Entry from $31.41; the 5K goes from $31.41 to $41.41 after January 2.
Course and race notes
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!!!
In the organizer's words, from the race's own listing.
Race details
Date
Sunday, March 14
2027 · in 127 days
Start time
8:00 AM
Earliest wave
Course
Road or path
Paved course
Distances
5K
Price
$31.41
Plus the platform's processing fee
5K goes up after Sat Jan 2 (in 56 days)
Registration
Open
Online signup closes Sun Mar 14 (in 127 days)
Opened Nov 3, 2026
Race day in San Francisco
Weather
62° / 49°F
Typical high and low for March 14, with a 35% chance of rain.
NOAA 1991–2020 climate normals, San Francisco Dwtn, CA (2.3 mi away). Averages, not a forecast; a forecast appears here a week out.
Daylight
7:24 AM – 7:14 PM
Sunrise and sunset on Sunday. The first start is 36 minutes after sunrise.
Calculated for the race location.
Plan your trip
For the night before, Sat Mar 13
Where to stay
See all places to stay near San Francisco, CA ↗
Prices checked November 4, 2026 and can change. Confirm on the booking site before you book. We may earn a commission at no cost to you.
Trip cost
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Total $0
Race entry starts at the lowest listed price, before the platform's fee.