2021 Race Registration

    We are going to postpone 2021 Arrowhead registration for all racers until 8 am CST 10-10-2020. We will do our best to put on the race as long as we can do it safely. We want to see how school openings, executive orders, and border/travel restrictions may impact...

2019 Race Registration

The 15th annual AH135 will be Jan 28th to 30th, 2019.Registration for the 2019 Arrowhead Winter Ultra Race will be handled by UltraSignup.  You can find the registration page HERE. Please note that registrations will be done  lottery style due to limited...