Shell Lake Sprint Triathlon/Duathlon
JUL
25
2026
The Shell Lake Sprint Triathlon and Duathlon offer a classic multi-sport challenge in a scenic lake setting. Choose between a swim-bike-run triathlon or a run-bike-run duathlon, with individual and team options available. All finishers receive a medal.
Sat 25 Jul 2026
Shell Lake Lions Duathlon
Shell Lake Lions Duathlon...
Shell Lake Lions Triathlo...
Shell Lake Lions Triathlo...
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Event Overview
The Shell Lake Sprint Triathlon/Duathlon is a multi-sport event organized by the Shell Lake Lions Club. It takes place at the Shell Lake beach within Shell Lake Memorial Park. Both events start concurrently.
Available Distances
Participants can enter individually or as a team in one of two formats:
- Triathlon: A ⅓ mile swim, a 15 mile bike, and a 3.4 mile run.
- Duathlon: A 2 mile run, a 15 mile bike, and a 3.4 mile run.
Event Details
All participants receive a finisher medal. Professional timing is provided by Duluth Timing and Events. The course uses the lake for swimming, local roads for cycling, and a combination of roads and trails for running. Visit the organization's website for the most recent information.
Shell Lake Lions Duathlon
Shell Lake Lions Duathlon Relay
Shell Lake Lions Triathlon
Shell Lake Lions Triathlon Relay