Utah · Marathon · Half · 5K
Big Cottonwood Marathon
Big Cottonwood Marathon is a marathon, half marathon and 5K event held in Salt Lake City, Utah. Its next confirmed date is Saturday, September 11, 2027. About 1,500 runners take part across all distances.
- Race day
- September 11, 2027
- Location
- Salt Lake City, UT
- Field size
- ~1,500 runners
Race details
- Date
- Saturday, September 11, 2027
- Location
- Salt Lake City, Utah
- Distances
- Marathon, Half, 5K
- Field size
- About 1,500 runners
- Course
- Steep net downhill, ~5200 ft drop, ~300 ft gain
- Registration
- runrevel.com
- Official website
- bigcottonwoodmarathon.com
Registration, course & weather
- Registration status
- Registration status as last checked October 5, 2026: not announced
- Start time
- 6:45 AM MDT
- Course profile — Marathon
- Point-to-point course; Road surface
- Course profile — Half Marathon
- Point-to-point course; Road surface
About the Big Cottonwood Marathon
A fast downhill marathon and half that descends from Guardsman Pass through Big Cottonwood Canyon to the Salt Lake foothills, popular with runners chasing PRs and Boston-qualifying times.
Rankings and notes
- Rankings and awards
- USATF-certified; Boston Qualifier; billed as the fastest marathon and half marathon in Utah
- Notes
- Large downhill Utah canyon race.
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Guides from the RaceRove blog
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Big Cottonwood Marathon: common questions
- When is the Big Cottonwood Marathon?
- The next confirmed date is Saturday, September 11, 2027.
- Where is the Big Cottonwood Marathon held?
- In Salt Lake City, Utah.
- What distances does the Big Cottonwood Marathon offer?
- Marathon, Half and 5K.
- How many people run the Big Cottonwood Marathon?
- About 1,500 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Big Cottonwood Marathon?
- Registration is handled by the organiser at runrevel.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Big Cottonwood Marathon?
- Registration status as last checked October 5, 2026: not announced.
- What time does the Big Cottonwood Marathon start?
- 6:45 AM MDT.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.