Snowdrop ULTRA Virtual 55
Race Information
Run as many miles as a solo runner can in 55 CONSECUTIVE hours. Once you start your 55 hours, the clock does not stop. Run on a treadmill, run outside, run by yourself, run with friends...JUST RUN.
For relay teams, there is a maximun of 10 members. To set up a team, select a Captian, choose a team name, set up a password and pay the Team entry fee.
Want to Run Faster?
If you’re interested in improving your running and setting new personal bests, our preferred training partner (RunDoyen) can help!
RunDoyen offers effective training plans for 5k, 10k, Half Marathon, and Marathon distances. They have a special Boston qualifying program as well!

Each run training plan has individually calculated workouts for different levels of runners.
The plans have been designed and reviewed by the world class group of RunDoyen coaches.
View their training plans to find the right one for you, and get 15% off any training plan using the coupon code RUNGUIDES15
View Training PlansPace Calculator
Find your running pace and splits, and learn if you can outrun dangerous animals with the RunGuides run pace calculator.

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