It's that time again! The 2025 Big Muddy Monster 5k Walk/Run in downtown Murphysboro, IL ! Pre-registration by June 6th to guarantee a t-shirt! Online registration is open till the morning of the race on June 21nd. Packet pick up at the Old Depot building 1701 Walnut St. near start line in Murphysboro starting at 7am the day of the race. 8:00am Run/Walk begins. All proceeds benefit the Old Depot Restoration project to renovate as a community welcome center!