Black Diamond Express Half Marathon & 5K — To benefit the Mendon Foundation - Mendon, New York's local land trust and developer/maintainer of the Lehigh Valley Trail in partnership with the Monroe County Parks Department. (Including virtual option, with option to complete race within one week after race day.) Sunday, August 23, 2026 • Lehigh Valley Trail, Rt. 251, Mendon, NY Half Marathon Starts: 8:00am 5K Starts: 8:20am Course: Flat, scenic out & back course along the historic Lehigh Valley Trail Additional sections of the Lehigh Valley Trail have been resurfaced! Start & end location: Mendon Youth Baseball Fields ( https://goo.gl/maps/8ZoNAryJ95q ) Half Marathon course is USATF Certified - NY17052JG Includes Long sleeved (unisex) t-shirt OR mug guaranteed to the first 150 (combined) by Sunday, August 2nd. (Once sizes are gone after August 2nd we are out of shirts!) Refreshments and healthy snacks. Collectible ceramic medals for Half Marathon finishers, collectible ceramic lapel pins
Hotels Near This Race
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Black Diamond Express Half Marathon & 5K 2026 — Mendon, NY
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Race Travel Insurance
Don't forget travel insurance for August 23.
You've trained for months and booked a trip to Mendon, NY.
A pre-race injury, a delayed flight, or a family emergency can derail the whole thing.
Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it,
and may cover medical costs if something goes wrong on the course. Plans typically only run
5-7% of your total trip cost — and running events are covered under standard plans with no
additional coverage needed.
Trip cancellation up to 100% of prepaid costs
Running events covered under standard plans — no add-ons needed
Trip interruption up to 150% of non-refundable costs
