Loud Thunder 50
Always double-check with the organizer's website! This page may contain affiliate links.
Loud Thunder 50 : Illinois City, IL
The event is a trail running weekend at Loud Thunder Forest Preserve along the Mississippi River, presented by Sun Trail Running. It offers multiple race distances run on a primarily looped course that uses the majority of park trails.
Distances:
- 50 Miler
- 50K
- Half marathon
The full race loop is about 13.3 miles and is run multiple times depending on distance: the 50 mile covers three full loops plus a shortened fourth, the 50K covers two full loops plus a shortened finish loop, and the half marathon covers one loop. Terrain is roughly 95% trail with dirt single and double track, short grass and crushed gravel connectors, and minimal pavement. Approximate elevation gain is ~6600 ft for the 50 mile, ~4000 ft for the 50K and ~1900 ft for the half. The course includes varied topography with steep climbs and descents and scenic views of the Mississippi and Lake George.
Two fully stocked aid stations are provided; both allow drop bags and crew access. Pacers are permitted only for the 50 mile and only for the final portion of the race. Camping is available at the Horse Corral Campground at the start/finish and at other park campgrounds.
Registration is online only. The event policy includes no refunds or bib transfers and a specified deferral policy. Standard trail etiquette and Leave No Trace rules apply. Visit the organization's website for the most recent information.
