REGISTRATION NOW OPEN!
To register for the St. Croix 40 Winter Ultra, simply click the Ultra Signup banner above. You will be taken to Ultra Signup to complete the rest of the registration process.
Registration will be capped at 145 participants.
You can now change disciplines up to one week before the event.
We will fill spots as they open up until two weeks before the race. In the past we’ve been able to accommodate a large number of people on the waitlist, so don’t give up hope too quickly!
If you need to cancel your registration you can email us, or follow the instructions here: https://help.ultrasignup.com/hc/en-us/articles/30339337810189-Edit-Your-Race-Registration
There are no refunds if you cannot make the race or do not arrive with appropriate gear. Please plan accordingly!
St Croix Winter Ultra 