The Oak Ridges Moraine Adventure Relay is a team-based event traversing the ecologically significant Oak Ridges Moraine in Ontario. Teams complete biking, running, and canoeing stages over distances of 160 km for the Full Relay and approximately 90 km for the Half Relay.

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This 2025 edition marks the event’s return after a five-year hiatus and serves as a fundraiser for the Oak Ridges Trail Association, supporting trail maintenance and promoting awareness of the Moraine's natural beauty.

* Full Relay has 14 stages including 2-person canoe leg * Half Relay has 7 stages, biking and running only * Mixed surfaces: trail, country road, and waterways * Participants self-sufficient; provide own equipment and transport * Canoe leg on Rice Lake * Water and snacks provided at stage checkpoints

• Team-based relay with Full (160 km) and Half (90 km) options
• Mixed disciplines: biking, running, canoeing
• Fundraiser supporting Oak Ridges Trail Association
• Returns in 2025 after a 5-year hiatus
• Water and snacks available at checkpoints