Endurance Evolution Backyard Ultra

Sat July 11 - Tue July 14
Backyard Ultra or Backyard Mini Ultra?

Both the Endurance Evolution Backyard Ultra and Backyard Mini Ultra follow the exact same format and rules.  Check those rules out here.

The difference is that the Backyard Ultra uses the standard 4.167 miles for a lap, while the Backyard Mini Ultra uses a shorter, 3.14 mile loop.

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