​ ARS LLC. reserves the right to cancel the event due to weather (including, but not limited to, heat, tornadoes, earthquakes, fires, storms, lightning, sink holes, and floods), accidents, acts of war or terrorism, military conflicts, riots, or for any reason that will affect the safety and security of event participants and attendees. In the event of such cancellation, there will be no refund of your registration purchase.

Do it in the dark !

Gettin dirty after dark!

How dirty can you get?

Black Swamp Sponsors

​​3.2 miles , 26+ obstacles , open fields, woods, wetlands, and mud lots of Black Swamp Mud !

Most obstacles offer a standard and an EXTREME portion so you can choose your challenge. Whether your the extreme athlete looking to push your limits or, your the first timer who just wants to get off the couch and try something new this is your course!

Located at the Ottawa County Fair Grounds OakHarbor, Ohio

A course built for the athlete and non-athlete a like







August 18th 2018


June 16 2018

Run all three events and their individual medals  connect together to form a Mega medal of the Black Swamp Foot

Qualify for OCRWC/NorAm OCR June 16th 

Overall top male and female qualify for pro division  

​Top 7 in each age group in competitive waves  (based on OCRWC  rules) If there isn't 14 in the age group the 50% rule will play in affect

​​Oak Harbor, Ohio​

Event 3

​​​Event 1

OCRWC & North American OCR Championships Qualifying Event

Event 2

​​​​​Black Swamp Runner 

​October 6th 2018

Do the Ultimate dirty deed and you will receive a special  Black Swamp 3-Sum jersey

Age limit is 9 and up,  Kids under 11 must be accompanied by an adult at all times

Do You Have What It Takes ?

A portion of all registration's will be donated to the Ronald McDonald House Charities of Northwest Ohio

Sign up for all 3 Events Now for one low price.

Event 4