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Recorded Mon, 9 Nov 2026
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USARunningTrail50K · 50 km / 31.1 mi
Seth's Fat Ass 50K
Springfield, Massachusetts · USA
When is the next Seth's Fat Ass 50K?
Start time · 08:30 GMT-5
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Time limits and cut-offs
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- 50K · 2026-12-12
- Not yet verified for this edition. Check the official race instructions.
No official finish time limit has been verified by AthRecs for this edition. This does not mean there is no cut-off.
Check organiser informationAbout Seth's Fat Ass 50K
Seth's Fat Ass 50K is a running event in Springfield, Massachusetts, United States. Recorded disciplines include 50K. The listed surface is trail. The next listed date is Saturday, 12 December 2026. Check the organiser's information for entry and race-day arrangements.
Dates, starts & entry
Times are local to the race. Select the entry route for your distance.
- Entry details
50K · 50 km / 31.1 mi
Sat, 12 Dec 2026
Starts 08:30 GMT-5
Confirm date and entry availability with the organiser
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Seth's Fat Ass 50K · 50K · 50 km / 31.1 mi
2026-12-12 · 08:30 (America/New_York)
Venue / race area: Springfield, Massachusetts, United States
Race websiteStart reminder only; finish time is not confirmed. Adjust the calendar duration if needed.
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Date, 08:30 start and distance list (50K Individual, 50K - Relay) confirmed on the organiser's UltraSignup registration page for the 2026 edition (checked 2026-11-09). Local time America/New_York.
Edition source
Location & race day
Listed venue / area
Springfield, MassachusettsUSA
Confirm the exact start line, parking and arrival instructions with the organiser. A listed town or postcode may cover a wider area.
About the race
Seth's Fat Ass 50K is listed on UltraSignup for 2026 near Springfield, Massachusetts, with the following distances or formats: 50K Individual, 50K - Relay.
- Surface:
- Trail
Ways to enter
Compare the listed booking routes. Verified links show when they were checked.
Sat, 12 Dec 2026
Third-party prices, booking fees, allocations and refund terms can differ. Confirm the final details with the provider before paying.
Race questions
When is the next event?
The next listed date for Seth's Fat Ass 50K is 12 December 2026.
Where is it held?
Seth's Fat Ass 50K is listed in Springfield, Massachusetts, United States. Check the event's race-day instructions for the exact start location.
Which distances are listed?
The programme listed for 12 December 2026 includes 50K.
What time does it start?
Listed starts for 12 December 2026: 50K: 08:30 GMT-5. Times are local to the race venue. Follow the start or wave assigned to your entry.
How do I enter?
Use the listed entry options for your distance. Check the entry page for current availability, eligibility and deadlines.
Entry detailsResults
Results have yet to be added for this race.
Past races
None listed yet.
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