Pennsylvania · 100K · 50K · 18 Miler
Boulder Field 100
Boulder Field 100 is a 100K, 50K and 18 Miler event held in Jim Thorpe, Pennsylvania. It was last held on September 12, 2026 and is usually run in September; the next date hasn't been announced yet. About 400 runners take part across all distances.
- Usually held
- September
- Location
- Jim Thorpe, PA
- Field size
- ~400 runners
Race details
- Last held
- September 12, 2026
- Usually held in
- September
- Location
- Jim Thorpe, Pennsylvania
- Distances
- 100K, 50K, 18 Miler
- Field size
- About 400 runners
- Course
- 4000 ft gain
- Registration
- ultrasignup.com
- Official website
- uberendurancesports.com
Registration, course & weather
- Registration status
- Registration status as last checked October 20, 2026: completed
- Entry fee
- Listed fee for the longest distance, $115 (from uberendurancesports.com, checked October 20, 2026)
- Start time
- 5:00 AM EDT
- Course profile — 50K
- Loop course; Trail surface; 4000 ft gain, 4000 ft loss (estimated from third-party elevation data)
- Course profile — 100K
- Loop course; Trail surface; 8000 ft gain, 8000 ft loss (estimated from third-party elevation data)
About the Boulder Field 100
Boulder Field 100 in Jim Thorpe, PA.
More races in Jim Thorpe
-
The Jim Thorpe Area Running FestivalJim Thorpe, PAMarathonHalf Marathon10K5K +1 more ~12,872 runners
More upcoming races in Pennsylvania
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Boulder Field 100: common questions
- When is the Boulder Field 100?
- The next date hasn't been announced in the listing yet. The race is usually held in September. Check the organiser's website for the official date.
- Where is the Boulder Field 100 held?
- In Jim Thorpe, Pennsylvania.
- What distances does the Boulder Field 100 offer?
- 100K, 50K and 18 Miler.
- How many people run the Boulder Field 100?
- About 400 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 Boulder Field 100?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Boulder Field 100?
- Registration status as last checked October 20, 2026: completed. Listed fee for the longest distance, $115 (from uberendurancesports.com, checked October 20, 2026).
- What time does the Boulder Field 100 start?
- 5:00 AM EDT.
Plan this race in RaceRove
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