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Loud Thunder 50

Illinois City, United States • 19 Apr 2025

The Loud Thunder 50, organized by the Quad Cities Trail & Ultra Runners and Sun Trail Running, is a trail running event taking place at Loud Thunder Forest Preserve in Illinois City, IL. Scheduled for April 19, 2025, participants can choose from three distances: 50 miles, 50K, and a half marathon. The course features rugged terrain with significant elevation gain, offering a challenging experience for runners. Registration includes race essentials, custom swag, and post-race refreshments, with a portion of fees supporting park conservation. Camping is available nearby, and strict race rules ensure a fair and enjoyable event for all participants. Visit the organization's website for the most recent information.

United States Illinois Illinois City

Race information

Website Registration
50 mi
50 Miler
50 km
50K
13 mi
1/2 Marathon
Visit the organization's website for the most recent information.
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