Prairie Nightmare Backyard Ultra 2025

The Prairie Nightmare Backyard Ultra is an annual "last person standing" race held at Echo Valley Provincial Park, Saskatchewan. Participants run a 6.706 km loop every hour on the hour until only one runner remains. The event started in 2020 and has grown steadily, moving to its current scenic park location in 2021.

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The course is flat and runnable, featuring hardpack trail, grass, and gravel sections. Camping is available on-site, and the race is cupless, so runners must bring refillable bottles or cups.

• 6.706 km loop consisting of hardpack trail, grass, and gravel road
• Approximately 45 feet of elevation gain per loop
• Flat and non-technical course suitable for trail runners
• Cupless event requiring participants to bring hydration gear
• Course surface: Trail

• Unique "last person standing" backyard ultra format
• Scenic Echo Valley Provincial Park location
• On-site camping available with small trailer surcharge
• Flat, runnable 6.7 km loop
• Cupless race: bring your own refillable bottle or cup