1000 S. Durfee Ave, South El Monte CA
Saturday, June 13th, 2026
Join us for a one-of-a-kind outdoor experience at the beautiful Whittier Narrows Natural Area! The Los Mugrosos 5K & 10K brings together runners, families, and outdoor enthusiasts for a scenic run through tree-lined trails, open paths, and natural surroundings.
Whether you’re chasing a PR or just looking to enjoy a fun day outside, this event is built for all levels. Expect a laid-back, high-energy atmosphere with music, community vibes, and a strong focus on getting people outdoors.
Course Map
Suggested Races
Find The Run Newsletter