The Best Races - San Francisco
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Run Against Breast Cancer : San Francisco
Run Against Breast Cancer 5K/10K/13.1 is scheduled for Saturday, December 13, 2025, at Crissy Field in San Francisco, CA. The event is presented as a community run to raise awareness and funds to support people affected by breast cancer.
Distances and format
- 5K
- 10K
- Half-Marathon (13.1)
- Virtual Run
- Family 1 Mile Fun Run
The event uses capped wave starts that are filled on a first-come, first-served basis. A virtual run option is available and can be completed at any time and place using a tracking device; submitted virtual results receive a medal. Timing is optional for participants; no timing chips are used. Participants may track times with apps and submit results for posting, or request coordinator assistance for timekeeping.
Entry, swag and logistics
Registration pricing is listed for each distance (examples: 5K $41.21, 10K $46.61, Half $49.85, Virtual $41.21, Family 1 Mile $39.05) with registration dates shown from May 20 to December 13. Race bibs are provided on race day and participant swag is shipped to the US mailing address provided during registration. Swag includes a running T-shirt, finisher's towel or giveaway, finisher's medal, and a digital training pack. The organizer states that miles logged after the race will generate $1 donations to partner charities. Visit the organization's website for the most recent information.
