Deer Trail Run Half-Marathon

Cincinnati, United States • 29 Aug 2026

Event Overview

The Deer Trail Run Half-Marathon is a trail running event scheduled for Saturday, August 29, 2026. It is part of the Alpine Trail Race Series (ATRS 3.0). The race is held in Mt. Airy Forest, which is the largest park in Cincinnati, covering nearly 1,500 acres.

Course Information

The half-marathon distance follows a trail route on off-road paths through the park. The course consists of two loops of a 10-kilometer route. The organizers note they retain the right to change the race route as necessary. A five-hour time limit applies to the course.

Race Details

The event features fun themes and costume-wearing is encouraged, with a best costume award given. All finishers receive a themed finisher medal. Participants are automatically enrolled in the Alpine Trail Race Series, earning points toward yearly awards; series winners are offered an international travel opportunity.

Registration is required via RunSignup. Bib pickup begins 30 minutes before the start time and ends 10 minutes prior. Entry fees are non-refundable. Walkers are welcome, but dogs are not permitted on the course.

Series Details

The Alpine Trail Race Series runs yearly from March 1 to October 31. Points are awarded based on finishing position, from 20 points for first place down to 2 points for participation. The top three participants in each age category (male and female) at the series end receive an award, which is mailed on December 1st. Visit the organization's website for the most recent information.

Race information

30 km
Deer Trail Run 30k
13 mi
Deer Trail Run Half-Marathon
10 km
Deer Trail Run 10k
5 km
Deer Trail Run 5k
Visit the organization's website for the most recent information.
Trail runs nearby

Experience a historical trail run through Ault Park in Cincinnati. Navigate three miles of winding paths and old pioneer roads with snacks and age graded awards waiting at the finish.

Experience the trails of Cincinnati at the Big Foot Trail Run in Mt. Airy Forest. Choose from four distances including an ITRA indexed 30K and enjoy a community atmosphere with themed medals and costume awards.

Experience the ridges and meadows of Mt. Airy Forest in this multi distance trail race. Choose between 5.4 or 10.6 miles with early start options for those needing extra time on the scenic counter clockwise loop.

Test your limits at East Fork State Park with a 5K mud run featuring over 15 natural and man-made obstacles. This adventure race offers a challenging course for solo athletes and a dedicated version for families.