Challenge yourself, or your team of 4-10 participants, to 24 hours of running/walking around Olander Park’s scenic 1.091 mile lakeside path. This Ultra endurance challenge is like none other in NW Ohio, and the entire course is flat, paved and contained within the park.

Sylvania, Ohio’s Olander Park is the former home of the 24-Hour National Championships. Participants of the Olander 24-Hour Endurance Challenge will start at 10am on Sunday morning and finish at 10am Monday, after a scenic and entertaining 24 hours with friends, family and the holiday weekend community. Scheduled meals, safety lighting and an entertainment stage will help you get through the challenge. Tent camping will be available inside Olander, and at the Beach House area in Olander to accommodate RV’s for your overnight stay — at no additional charge. Spots are available on a first come basis. Register with friends and family and enjoy the Labor Day weekend outside, with all Olander Park has to offer.

Upcoming Races

Sep 1 2019
24 Hours
1.091 mile loop around Olander Lake
Multiple Loop Course
1 Elevation Rating
Flat or nearly flat
1 Surface Rating
Paved or very smooth surface


24 Hours View course top times

Date Finishers Top Result Top Result (F)
09/02/18 83 120.0122 110.19302
09/03/17 70 104.06 120.07
09/10/05 68 99.9997 99.9997
09/11/04 73 100 100
09/24/02 167 172.378 128.558
09/16/00 161 157.9538 122.001
09/19/98 150 147.0027 133.0567
09/14/96 143 147.1295 137.3497
09/18/93 148 160.4263 145.2871
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information.
Endless Summer 6-Hour Run
  • Jul 27, 2019
  • Annapolis, MD
6 Hours