2025 - SF Half Day
2025 distances
Running
12-hour (Solo)
Fixed-time event. Run/walk as far as you can or as little as you want!
6-hour (Solo)
Fixed-time event. Run/walk as far as you can or as little as you want!
3-hour (Solo)
Fixed-time event. Run/walk as far as you can or as little as you want!
12-hour (Team)
Fixed-time event. Run/walk as far as you can or as little as you want as a team! Teams of 2-4 members will be issued a Race Belt to attach their team bib.. Each team member is required to complete at least one lap but they can complete as many, or as little, laps as they'd like. The team bib can only be transferred to another team member at the timing mat (S/F).
6-hour (Team)
Fixed-time event. Run/walk as far as you can or as little as you want as a team! Teams of 2-4 members will be issued a Race Belt to attach their team bib.. Each team member is required to complete at least one lap but they can complete as many, or as little, laps as they'd like. The team bib can only be transferred to another team member at the timing mat (S/F).
3-hour Team
Fixed-time event. Run/walk as far as you can or as little as you want as a team! Teams of 2-4 members will be issued a Race Belt to attach their team bib.. Each team member is required to complete at least one lap but they can complete as many, or as little, laps as they'd like. The team bib can only be transferred to another team member at the timing mat (S/F).
Coastal Testing
Race date Weather
Conditions on June 7, 2025 — historical Open-Meteo data.
Course
Route map and elevation profile
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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🏃 Plan Your Next Race in San Francisco
Find upcoming events by distance:
- San Francisco 5K Races 47 races
- 10K Run Events in San Francisco 36 races
- San Francisco Half Marathons 34 races
- San Francisco Running Calendar 2026 59 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 59 San Francisco events
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