The inaugural event starts December 19 at 8 AM at Miami Marine Stadium & Basin Trail on Virginia Key. Registration is open now.
MIAMI, Nov. 11, 2026 /PRNewswire/ -- Miami's running community is about to discover just how far it can go. On Saturday, December 19, 2026, at 8 AM, the inaugural Miami Backyard Ultra (MBU) will bring the backyard ultramarathon format to Miami for the first time, as runners gather at Miami Marine Stadium & Basin Trail on Virginia Key to test their limits together, one hourly loop at a time, until one runner remains. Organized by Frankie Ruiz, Carlos Osorio and Breakwater Hospitality Group, MBU marks a proud milestone for the city's runners and an event the organizers are thrilled to launch in a setting with a history and identity of its own.
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