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The Leftovers Mystery Race

Dundas, Canada • 15 Nov 2025

The Leftovers Mystery Race 2025 is a unique running event taking place at the Dundas Valley Conservation Area in Ontario, Canada. Participants can expect a fun and unpredictable experience, as the race features a mystery distance that can range from short (6 km or less) to longer options (up to 25 km). Registration includes access to the scenic course, race swag, and a finisher's medal, but the specific items are a surprise, encouraging "tradesies" among runners. The event emphasizes a lighthearted atmosphere with creative awards for costumes and fun outfits, making it a memorable year-end gathering for the running community. Visit the organization's website for the most recent information.

Canada Ontario Dundas

Race information

Website Registration
25 km
Long Distance (16-25km)
15 km
Medium Distance (10-15km)
6 km
Short Distance (6k or Less)
Visit the organization's website for the most recent information.
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