San Francisco Double Up Challenge

Are you up for an extra challenge this year at The San Francisco Marathon? Double Up on race weekend and run both our Saturday 5k and on Sunday run a 5k, 10k, either half, full or Ultra! To be part of this challenge, choose one of the following options at registration:

  • Double Up 5K (Sat 5k & Sun 5K)
  • Double Up 10K (Sat 5k & Sun 10K)
  • Double Up Half (Sat 5k + Sun Half)
  • Double Up Full (Sat 5k +Sun Full)
  • Double Up Ultra (Sat 5k + Sun Ultra)

Be a part of this 6.2mile, 9.3mile, 16.2mile, 29.3mile or 55.5mile challenge and earn triple bling – your 5K, 10K, half,  full or ultra and Double Up Challenge medal plus 2 long sleeve tech shirts – one for your Saturday run and one for you Sunday run.

These spots available are limited for this Double Up Challenge, don’t delay it will fill up fast!

*2020 designs coming soon

If you’ve already registered for a single distance and want to take the challenge, please email us at to upgrade.