The Island Lake Classic is an annual running event held at the Island Lake Conservation Area in Orangeville, Ontario. The 2025 event marks its 13th edition, featuring 5K and 10K races that start and end within the park. Participants traverse groomed trails and cross multiple bridges along the Vicki Barron Lakeside Trail, showcasing the park's natural beauty.

Admission to the park is free for participants and volunteers. The event also features a kids fun run and virtual options for Canadian and international runners.

- 10K: approx. 10 km loop on mostly flat, double-track trail with bridges and scenic views
- 5K: approx. 5 km with roller coaster single track, flat double track, challenging slopes, and forest views
- Kids Fun Run: approx. 200m flat and fast loop
- Water stations: one on 5K course (halfway), two on 10K course (at 4 km and 8.5 km)
- Mixed terrain with groomed trails, single track, and double track

- 10K and 5K trail races featuring scenic bridges, groomed trails, and natural vistas
- Kids Fun Run (200m) for children 10 and under
- Cup-less event: participants bring reusable cups or bottles to reduce waste
- Awards for overall 1st, 2nd, and 3rd place male/female finishers and age group tokens
- Virtual race options available for Canadian and international participants
- Free park admission for participants and volunteers