Loud Thunder 50
Saturday, 17 April 2027In 176 days
61259, Illinois City, Illinois, United Statessuntrailrunning.com (opens in a new tab)
Sun Trail Running's low-key trail event uses rugged loops through Loud Thunder Forest Preserve, with views of the Mississippi River and Lake George.
Distances
- 1219 m
- Climb
Entry fee
Registration opens 20 November 2026 at 12:00 CT
Rules and terrain
- Course
- TRAIL
- Surface
- About 95% trail: dirt singletrack and doubletrack with grass, crushed gravel, climbs and descents
- Cut-off times
- 12 hours; final cutoff 20:00
Entering
- Registration
- NOT_OPEN (opens in a new tab)
Start
50 Mile · 50K · Half Marathon·Horse Corral Campground, Loud Thunder Forest Preserve · 19408 Loud Thunder Road, Illinois City, IL 61259, USA
OpenStreetMap (opens in a new tab)Google Maps (opens in a new tab)Apple Maps (opens in a new tab)41.42173, -90.83433
Race day
- Start time
- 08:00 (America/Chicago) · 50K only
Editions
- 17 Apr 2027
Where this came from
- Sources
- https://ultrasignup.com/register.aspx?did=144083 (opens in a new tab) (archived 21 Oct 2026 (opens in a new tab)) — current official 2027 date, complete three-course schedule, venue and registration status
- Last verified
- 21 Oct 2026