Mountain Lakes Trail Run & Walk - Princeton, NJ

The Mountain Lakes Trail Run & Walk in Princeton, NJ, is a scenic event held at the Billy Johnson Mountain Lakes Nature Preserve, benefiting the Friends of Princeton Open Space. It features a 5K+ trail run and a 3K walk, both traversing a mix of paved park trails, unimproved service paths, and single-track trails with natural obstacles like rocks, roots, and logs. The run is moderately technical, while the walk is easier and includes a creek crossing via stepping stones.

Limited to 200 participants, the event offers chip timing for runners and is family-friendly with a focus on environmental stewardship and community engagement. Visit the organization's website for the most recent information.