
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.
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.
Race Schedule
Please check the official website for up-to-date times and pricing
Persistence Backyard Ultra 2025 - Persistence Backyard Ultra
Ultra
Boston Qualifier
Course Details
- 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
- Terrain includes crushed stone trails, grassy areas, and dirt roads
- Designed to test endurance and strategy
- Event limits participants to ensure quality experience
Race Highlights
- 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
- 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