Sat April 10 - Sun April 11 Virgin, UT 84779 US
RaceJoy Ready
These are challenging, scenic runs through the southern Utah desert adjacent to Zion National Park. We offer 4 distances: a Half Marathon, 50K, 100K, and a 100-miler.
Race Video
Race Website

Additional race information can be found at


Challenging, scenic courses through the desert on the cliffs just outside Zion National Park. ⁣

Choose from 4 available distances:

  • Half Marathon
  • 50K
  • 100K
  • 100 miles

All distances will start on Saturday, April 10th, 2021.

Race Contact Info

If you have any questions about this race, click the button below.


Available for Apple and Android devices.

Interactive Race Day Experience with RaceJoy

Live Phone Tracking, GPS Progress Alerts and Cheers!

We are providing you with RaceJoy as part of the official race experience for the Zion Ultras & Trail Half Marathon.

Download the RaceJoy mobile app in advance to ensure proper phone setup. Invite your friends and family to track you and send you cheers!

Some key RaceJoy features include:

GPS Progress Alerts

  • Receive continual progress updates as you complete your goal.

Live GPS Tracking

  • Remote spectators can track your progress live in a map view. You can also track others.


  • Receive supportive audio cheers from remote friends & family.

Virtual Results (virtual events only)

  • Enter your race-assigned bib number to automatically submit your finish data for real-time scored results.
To use RaceJoy, you must carry your phone and activate tracking on the day you complete your race.
View RaceJoy How-To

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