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Utah’s original Backyard Ultra! The Bonneville Backyard Ultramarathon is a last runner standing race. You must complete one 4.167 mile loop every hour to remain in the race. Our course is an out and back, so about 2.053 miles each way. The race will start at 8:00AM on April 29th … MORE
Local Historical Weather (Apr 27):
  2023 2022 2021 2020 2019
 
H (°F)  65  72  53  75  68
L (°F)  31  35  39  35  35
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