The Whistler 50 Relay & Ultra is a yearly running event set amidst the scenic trails of Lost Lake Park and Whistler Olympic Plaza. It features two main races: a challenging 50-mile team relay (80 km) and a solo 50 km ultra marathon. Open to both competitive and recreational runners, the event includes well-supported, beginner-friendly courses and concludes with a festive post-race party at Whistler Olympic Plaza.

The 2025 edition is scheduled for October 4th, though detailed specifics are yet to be released. Runners and teams can expect a supportive community environment and a beautiful setting near Whistler Village.

- 50-mile team relay (80 km) with 8 x 10 km loops.
- 50 km solo ultra with 5 x 10 km loops.
- Scenic trail routes around Lost Lake Park and Whistler Olympic Plaza.
- Multiple aid stations and support points along the course.

- 50-mile relay consists of 8 loops of 10 km each.
- 50 km solo ultra comprises 5 loops of 10 km.
- Beginner-friendly course with multiple support points.
- Close proximity to Whistler Village.
- Post-race party held at Whistler Olympic Plaza.