What's Up in Ultra This Weekend — March 22 - Ultra Running Magazine This weekend's ultramarathon race calendar features Behind the Rocks Ultra, Prairie Spirit Trail, the Barkley Marathons, and MT TAMMANY 10.

In this week’s What’s Up in Ultra, we feature:

WEST: Behind the Rocks Ultra (UT)
MIDWEST: Prairie Spirit Trail (KS)
SOUTH: The Barkley Marathons (TN) *concluded
NORTHEAST: The MT TAMMANY 10 (NJ)

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