Black Diamond Express Half Marathon & 5K logo

Black Diamond Express Half Marathon & 5K

Black Diamond Express Half Marathon & 5K is a running race on August 23–30, 2026 in Mendon, NY, with entry fees from $32 to $63.

Date
August 23–30, 2026 (31 days to go)
Price
$32–$63
Sport
Running
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From the Organizer

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 for 5K finishers.  
  • Once again, we are offering Virtual Half Marathon and 5K events! Run the distance within a week after the live race date, and we will mail your selected t-shirt or mug, and a medal (HM) or lapel pin (5K). You can download the race certificate post race and enter your time on the website.

Awards

  • Half Marathon: Top 5 (non virtual) Male & Female Cash or Gift awards; plus collectible Race Water Bottles for top 3 in age groups 12 and under, 13-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70+
  • All Half Marathon finishers will receive our beautiful, collectible ceramic finisher’s medal!
  • 5K: Top 5 (non virtual) Male & Female Cash or Gift awards; plus collectible Race Water Bottles for top 3 in age groups 12 and under, 13-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70+
  • All 5K finishers will receive our beautiful, collectible ceramic lapel pin!

Official Site & Frequently Asked Questions

Please visit: https://mendonfoundation.org/black-diamond-express-races/ for more detailed information and answers to your Frequently Asked Questions.

Events

Half Marathon$63
5K$32

Weather

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

79°

Typical Low

57°

Based on US Climate Normals data from Victor 2nw, 3 mi from the venue.

Sunrise 6:24 AMSunset 7:59 PMDaylight 13h 35m

Host City

About Mendon, NY

City Elevation

616 ft

Nearest Airport

ROC

Frederick Douglass Greater Rochester International Airport · 12 mi

Time Zone

Eastern Time

From Endurance Grid

Line up lodging and travel early to lock in your race weekend.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at Black Diamond Express Half Marathon & 5K, put it on the calendar, and turn “someday” into a start date.

31

Days to train

Race
Black Diamond Express Half Marathon & 5K
Date
August 23–30, 2026

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From Endurance Grid

About This Sport

Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.

With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.

Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.

Read the Guide

Running

From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Plan your trip

Make it a Racecation

Coming from out of town? There's more to Mendon than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.

Plan your trip to Mendon
Lodging
Flights
Rental Car
Activities

Frequently Asked Questions (FAQs)

What is the Black Diamond Express Half Marathon & 5K?+
Black Diamond Express Half Marathon & 5K is a running race held in Mendon, New York on August 23, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the Black Diamond Express Half Marathon & 5K?+
Sunday, August 23, 2026 in Mendon, New York at 3865 Rush Mendon Rd. Check the event page for exact start times and wave schedules.
How do I register for the Black Diamond Express Half Marathon & 5K?+
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

Black Diamond Express Half Marathon & 5K

Aug 23, 2026

Register →