The Jumble Run is a unique team relay event hosted by the Cornwall Multisport Club where teams of three each run multiple 1-kilometer legs across a mix of road and trail courses. This fun and strategic race challenges teams to predict their total finishing time without the use of timing technology, promoting camaraderie and teamwork.

Held annually in mid-July in Cornwall, Ontario, the event offers prizes for the team closest to their predicted finish time and provides refreshments at the start/finish area, making it a social and engaging community race.

- Teams of three runners determined by drawing names from a hat
- Each team member runs at least three 1-kilometer legs
- Prizes awarded to teams closest to their predicted finishing time
- Refreshments provided at start/finish area
- Unique no-timing technology, emphasizing strategy and teamwork