Trail Running calendar near Harlingen 2026-2027

A midyear charity 5K in San Juan organized by RGV’s Little Elves on July 18, 2026, combining chip timed races with collection of food, clothing, shoes, hygiene items, and toys for children identified by local school districts.

A night trail run at Estero Llano Grande State Park with 5k, 10k and 10 mile looped courses plus youth and kids options. Medals for finishers, awards for top three overall per distance, two aid stations, and a cupless policy.

Experience the natural beauty of Estero Llano Grande State Park at the Queen City Trail Run. With distances ranging from a 1 mile youth run to a 10 mile trail race and a 10k ruck there is an event for everyone.

Mud Factor returns to Mars Family Sports Park in Edinburg on November 14, 2026 for a 5K mud and obstacle run open to all ages; participants must bring a signed waiver and adults a photo ID, and spectators pay $10 for festival access.

Resurgence Trail Run in Arroyo Park, Harlingen on March 7, 2026 offers a Kids Mile, 5k, 10k and a 25k run with looped courses. Medals are provided to finishers and a shirt guarantee requires registration by September 24.