Champlain Islands Marathon and Half Marathon
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Event details
The Champlain Islands Marathon and Half Marathon is the 54th edition organized by GMAA. It takes place on Sunday, October 19, 2025, with the event location listed as Folsom Elementary School in South Hero, Vermont. Distances offered include:
- Marathon
- Half-marathon
Course
The marathon and half-marathon are on a certified course (VT24002JK). The half-marathon is an out-and-back route along the west shore of South Hero and Grand Isle, passing farms, apple orchards, summer cottages, and views of Lake Champlain. Terrain on the course is flat to rolling and the entire route is paved. The full marathon consists of two laps of the half-marathon course. The start and finish are near the house where a former seven-time Boston Marathon winner once lived. Visit the organization's website for the most recent information.