
2023 Colfax Marathon•May 20-21
Denver, Colorado
Test your strength. Push your limits. FIGHT ALS. Grab your friends and join us for this opportunity to be a part of Team Challenge ALS as we challenge ALS at the highest level.

We've raised $21,262.00 of our $35,000.00 goal!
Our Progress:
Top Teams
Top Fundraisers
$6,795
$5,400
$1,516
$1,100
$800
$660
$475
$466
$350
$255