
Persistence Backyard Ultra 2025
Date
August 2, 2025
Location
Arva, Ontario
Events
The Persistence Backyard Ultra is a challenging endurance race held in Arva, Ontario. Participants run a 6.7056 km loop every hour, repeating until only one runner remains, testing stamina and strategy. This event is affiliated with Lazarus Lake's Big Dog's Backyard Ultra and offers competitors a chance to qualify for this prestigious race.
The course features a 3.36 km loop done twice each hour, comprising crushed stone trails, grass, and dirt roads. To promote community and charity, a portion of registration fees supports the Children's Health Foundation. The race is limited to 65 participants to maintain an intimate, competitive atmosphere.
Boston Qualifier
Persistence Backyard Ultra 2025 - Persistence Backyard Ultra
August 2, 2025
Other Distances
- 3.36 km loop completed twice per hour to meet distance requirement
- Terrain includes crushed stone trails, grassy areas, and dirt roads
- Designed to test endurance and strategy
- Event limits participants to ensure quality experience
- Run a 6.7056 km loop every hour until a single winner remains
- Affiliated with Lazarus Lake's Big Dog's Backyard Ultra
- Course consists of crushed stone trails, grass, and dirt roads
- Participant cap of 65 runners
- Portion of registration fees donated to Children's Health Foundation
RACE DAY COUNTDOWN
175
Days
175
Hours
175
Minutes
Date
August 2, 2025
Season
Fall (September-November)
Location
Arva, Ontario
Avg Temp
Warm (20-30°C)
Avg Humidity