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Marble Falls, TX · November 21, 2026 · UltrarunningExternal event
Summit Backyard Ultra (Last Person Standing) 2026
Marble Falls, TX · November 21, 2026 · Ultrarunning
DateNovember 21, 2026
LocationMarble Falls, TX
DisciplineUltrarunning
RegistrationExternalorganizer site
Divisions
Summit Last Person StandingDistance
About the race
The race.
The Summit Backyard Ultra takes place on November 21, 2026, in Marble Falls, Texas. Runners compete in a Last Person Standing format, completing 4.17-mile laps on the hour until only one participant remains. Each lap must be finished within the one-hour window; the last person to complete a lap wins. All finishers receive swag, and runners who register by October 30th receive a race shirt.
Official site & links
Straight from the
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