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, July 25th 5k and on Sunday July 26th run a full, half, 5k or Ultra! To be part of this challenge, choose one of the following options at registration:

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

Be a part of this 10.2k, 16.2k, 29.3k or 55.5k challenge and earn triple bling – your 5K, half,  full or ultra and Double Up Challenge medal plus 2 long sleeve tech shirts – one for your Sat run and one for you Sun 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 the half or full marathon and want to take the challenge, please email us at to upgrade.