Course
All distances start and finish at the Bonneville Speedway staging area at the end of the Speedway access road, so no shuttles are needed. The 50-mile route crosses roughly 17 miles of salt flats, about five miles of double-track to Cobb Peak Road, 9.9 miles on East Silver Island Road and around six miles of technical double-track climbs, with the balance dirt road and ATV trail.
Key dates
- !RegistrationOpen now
- ★Race dayFri 7 May 2027
About
The Salt Flats Endurance Runs stage 100 mile, 100K, 50 mile and 50K races on and around the Bonneville Salt Flats in western Utah. All courses start and finish at the Bonneville Speedway staging area and mix salt flats, dirt and jeep roads, ATV trail and technical double-track. A family 5K and 10K run on the Saturday.
Save Salt Flats Endurance Runs to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.