Ondessonk Trail Races
Saturday, April 11, 2026
Ozark, Illinois
The Experience
Join us at Camp Ondessonk for our 16th Annual Ondessonk Trail Races!
With two NEW races this year - a half marathon through the beautiful spring wildflowers, and a one-mile fun run that is perfect for families to enjoy the beautiful scenery!
One Mile Fun Run: Families can enjoy a run around our beautiful Lake Echon. All ages welcome.
Date: April 11, 2026Start Time: 10:00 AMPricing: $20Includes: T-shirt** Those who register after March 18 are not guaranteed their requested shirt size.
5k Run: Enjoy a beautiful 5k through Camp. All ages welcome.
Date: April 11, 2026Start Time: 9:00 AMPricing: $30 early bird registration until March 13; $35 registration after early birdIncludes: T-shirt** Those who register after March 18 are not guaranteed their requested shirt size.Awards: Top male/female finishers will receive a trophy
Manchester 10k: The Manchester 10k trail is a unique run through Camp's scenic trails.
Date: April 11, 2026Start Time: 8:30 AMPricing: $40 early bird registration until March 13; $50 registration after early birdIncludes: T-shirt** Those who register after March 18 are not guaranteed their requested shirt size.Awards: Top male/female finishers will receive a trophy
Half Marathon: Our half marathon is an exciting and challenging run through Camp's beautiful forests, canyons, and pastures.
Date: April 11, 2026Start Time: 8:00 AMPricing: $50 early bird registration until March 13; $75 registration after early birdIncludes: T-shirt** Those who register after March 18 are not guaranteed their requested shirt size.Awards: Top male/female finishers will receive a trophy
Registration begins at 7 AM.
Race Details
Race Day
Saturday, April 11, 2026 · 4/11/2026 08:00
Start Location
3760 Ondessonk Rd, Ozark, IL 62972
Course
Loop
Also Offers
Giveaway
T-Shirt
Registration
Register online — $50
Race Website
Official race information
Race Performance
3:00:32
13:47/mi pace
2:06:31
9:39/mi pace
39
46% female · 49% male
3 states
Avg age: 42
Finish Time Distribution (2018)
2:56:19
Top 25%
3:26:42
Top 75%
Historical Weather
☀
Avg High
67°F
☽
Avg Low
47°F
☂
Precip
0.15 in
🍃
Wind
12 mph
More races in Illinois
The Experience
Join us at Camp Ondessonk for our 16th Annual Ondessonk Trail Races!
With two NEW races this year - a half marathon through the beautiful spring wildflowers, and a one-mile fun run that is perfect for families to enjoy the beautiful scenery!
One Mile Fun Run: Families can enjoy a run around our beautiful Lake Echon. All ages welcome.
Date: April 11, 2026Start Time: 10:00 AMPricing: $20Includes: T-shirt** Those who register after March 18 are not guaranteed their requested shirt size.
5k Run: Enjoy a beautiful 5k through Camp. All ages welcome.
Date: April 11, 2026Start Time: 9:00 AMPricing: $30 early bird registration until March 13; $35 registration after early birdIncludes: T-shirt** Those who register after March 18 are not guaranteed their requested shirt size.Awards: Top male/female finishers will receive a trophy
Manchester 10k: The Manchester 10k trail is a unique run through Camp's scenic trails.
Date: April 11, 2026Start Time: 8:30 AMPricing: $40 early bird registration until March 13; $50 registration after early birdIncludes: T-shirt** Those who register after March 18 are not guaranteed their requested shirt size.Awards: Top male/female finishers will receive a trophy
Half Marathon: Our half marathon is an exciting and challenging run through Camp's beautiful forests, canyons, and pastures.
Date: April 11, 2026Start Time: 8:00 AMPricing: $50 early bird registration until March 13; $75 registration after early birdIncludes: T-shirt** Those who register after March 18 are not guaranteed their requested shirt size.Awards: Top male/female finishers will receive a trophy
Registration begins at 7 AM.
Race Details
Race Day
Saturday, April 11, 2026 · 4/11/2026 08:00
Start Location
3760 Ondessonk Rd, Ozark, IL 62972
Course
Loop
Also Offers
Giveaway
T-Shirt
Registration
Register online — $50
Race Website
Official race information
Race Performance
3:00:32
13:47/mi pace
2:06:31
9:39/mi pace
39
46% female · 49% male
3 states
Avg age: 42
Finish Time Distribution (2018)
2:56:19
Top 25%
3:26:42
Top 75%