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 starting from Community Park North Amphitheater. The trail run covers about 10% paved paths, 30% unimproved service right-of-ways, and 60% single-track trails with natural obstacles like rocks and roots, making it moderately technical.

The walk is easier, including paved trails and a creek crossing via stepping stones. The event supports local open space preservation and offers refreshments, limited registration, and chip timing for runners. Visit the organization's website for the most recent information.