Tennessee · Last Man Standing
Big Dog's Backyard Ultra
Big Dog's Backyard Ultra is a Last Man Standing event held in Bell Buckle, Tennessee. It was last held on October 17, 2026 and is usually run in October; the next date hasn't been announced yet. About 15 runners take part across all distances.
- Usually held
- October
- Location
- Bell Buckle, TN
- Field size
- ~15 runners
Race details
- Last held
- October 17, 2026
- Usually held in
- October
- Location
- Bell Buckle, Tennessee
- Distances
- Last Man Standing
- Field size
- About 15 runners
- Course
- Day loop (trail): ~475 ft gain per lap; night loop (paved out-and-back): ~100 ft gain per lap (third-party estimates)
- Registration
- ultrasignup.com
- Official website
- facebook.com
Registration, course & weather
- Registration status
- Registration status as last checked September 26, 2026: closed
- Start time
- 7:00 AM CDT
- Course profile — Day Loop (Trail)
- Loop course; Trail surface; 475 ft gain (estimated from third-party elevation data)
- Course profile — Night Loop (Road)
- Out-and-back course; Road surface; 100 ft gain (estimated from third-party elevation data)
- Typical race-day weather
- about 64°F at the start, 86% humidity, 9 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 26, 2026)
About the Big Dog's Backyard Ultra
Big Dog's Backyard Ultra (Big's Backyard Ultra) is the original backyard-ultra race, invented by Gary "Lazarus Lake" Cantrell on his farm in Bell Buckle, Tennessee, where runners complete a 4.167-mile loop every hour until only one competitor can finish a lap that no one else can match.
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Big Dog's Backyard Ultra: common questions
- When is the Big Dog's Backyard Ultra?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- Where is the Big Dog's Backyard Ultra held?
- In Bell Buckle, Tennessee.
- What distances does the Big Dog's Backyard Ultra offer?
- Last Man Standing.
- How many people run the Big Dog's Backyard Ultra?
- About 15 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 Dog's Backyard Ultra?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Big Dog's Backyard Ultra?
- Registration status as last checked September 26, 2026: closed.
- What time does the Big Dog's Backyard Ultra start?
- 7:00 AM CDT.
- What is race-day weather usually like at the Big Dog's Backyard Ultra?
- about 64°F at the start, 86% humidity, 9 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 26, 2026).
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