UltraSignup
Official entry
Entries openVerified
Verified Sun, 11 Oct 2026
Enter officiallyEventsFind this location on a map
USARunningTrail100K · 100 km / 62.1 mi100mi · 160.9 km / 100.0 mi50K · 50 km / 31.1 mi50K Night
Shawnee Hills Trail Races
Ozark, Illinois, 3760 Ondessonk Rd. · USA
Next race day
Sat, 21 Aug 2027
4 distances · see start times below
About Shawnee Hills Trail Races
Shawnee Hills Trail Races is a running event in Ozark, Illinois, 3760 Ondessonk Rd., United States. Recorded disciplines include 100K, 100mi, 50K, 50K Night. The listed surface is trail. The listed organiser is Shawnee Hills Trail Races. The next listed date is 21 August 2027. Check the organiser's information for entry and race-day arrangements.
Dates, starts & entry
Times are local to the race. Select the entry route for your distance.
- Official entry
50K Night · 51.5 km / 32.0 mi
Sat, 21 Aug 2027
Starts 19:00 CDT
Entries open
Advertised labels retained; current approximate course lengths use the organiser’s loop descriptions. Day and night 50K entries have separate starts.
Edition source - Official entry
50K · 51.5 km / 32.0 mi
Sat, 21 Aug 2027
Starts 07:00 CDT
Entries open
Advertised labels retained; current approximate course lengths use the organiser’s loop descriptions. Day and night 50K entries have separate starts.
Edition source - Official entry
100K · 103 km / 64.0 mi
Sat, 21 Aug 2027
Starts 07:00 CDT
Entries open
Advertised labels retained; current approximate course lengths use the organiser’s loop descriptions. Day and night 50K entries have separate starts.
Edition source - Official entry
100mi · 159.3 km / 99.0 mi
Sat, 21 Aug 2027
Starts 06:00 CDT
Entries open
Advertised labels retained; current approximate course lengths use the organiser’s loop descriptions. Day and night 50K entries have separate starts.
Edition source
Location & race day
Listed venue / area
3760 Ondessonk Rd., Ozark, IllinoisUSA
Confirm the exact start line, parking and arrival instructions with the organiser. A listed town or postcode may cover a wider area.
About the race
Technical trail ultras through the sandstone hills and forests around Camp Ondessonk.
- Surface:
- Trail
- Organiser:
- Shawnee Hills Trail Races
Ways to enter
Compare the listed booking routes. Verified links show when they were checked.
Sat, 21 Aug 2027
Third-party prices, booking fees, allocations and refund terms can differ. Confirm the final details with the provider before paying.
Results
Public-figure or athlete-approved ATHRECS results, plus verified organiser links.
No verified results links have been added yet.
Past races
None listed yet.
More running nearby
Fri
16
Oct
2026
Mines of Spain 100
Dubuque, IowaUSA
Louis Murphy Park
100K / 100mi· Trail
One-hundred-mile and one-hundred-kilometre races on the trails of the Mines of Spain Recreation Area.
Fri
16
Oct
2026
Pony Express Trail Run
Faust, UtahUSA
Lookout Campground, west of Faust
100mi / 50mi· Trail
Fifty-mile and one-hundred-mile races on the historic Pony Express dirt road route in western Utah.
Sat
17
Oct
2026
Stronger Together DV Awareness 5k
Clayton, North CarolinaUSA
325 McCullers St
1mi / 5K· Unspecified
Stronger Together DV Awareness 5k in Clayton, United States.
Sat
17
Oct
2026
Sat
17
Oct
2026
Sat
17
Oct
2026
Red, White & Run
Halifax, North CarolinaUSA
13763 NC-903
5K· Unspecified
Red, White & Run in Halifax, United States.
Sat
17
Oct
2026
Sat
17
Oct
2026
AmeriHealth Atlantic City Marathon
Atlantic City, New JerseyUSA
10K / 5K / Half / Marathon· Road
AmeriHealth Atlantic City Marathon in Atlantic City.