Deer Trail Run Half-Marathon

AUG
29
2026
Run the Deer Trail Run Half-Marathon through the scenic trails of Cincinnati's Mt. Airy Forest. This themed trail event awards series points and finisher medals. Costumes are encouraged for a chance to win an award.
Sat 29 Aug 2026
30 kilometers 20 kilometers 10 kilometers 5 kilometers

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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.

30 km
Deer Trail Run 30k
20 km
Deer Trail Run Half-Marathon
10 km
Deer Trail Run 10k
5 km
Deer Trail Run 5k