Tunnel Hill Marathon 2025

• Scenic Course: Run on flat, fast Tunnel Hill State Trail with crushed limestone, iconic tunnel, and scenic wetlands.
• Race Logistics: Starts and finishes at Vienna City Park; 6-hour time limit; aid stations every 3-5 miles.
• Unique Features: USATF/IAAF certified, Boston qualifier potential, part of a weekend with 50/100 mile events.
• Runner Tips: Wear gaiters for rain; supportive atmosphere with concurrent 100-mile finishers.
• Registration: No refunds or bib transfers; register via RunSignup.

The Tunnel Hill Marathon offers runners a unique experience combining the charm of both road and trail courses, making it an attractive venue for those aiming for personal bests or Boston Qualification times. Starting at the Vienna City Park, participants embark on a journey south for 1.1 miles before heading northward on the Tunnel Hill State Trail, highlighting the iconic 543-foot tunnel twice within the race. The course is remarkably fast and smooth, free from roots and rocks, fostering an ideal setting for competitive time chasers amidst the picturesque mid-November foliage. Managed by Durbin Race Management, the marathon ensures a top-tier experience with its USATF/IAAF sanctioning and certification (IL18001BW), promising runners a professional and reliable event. Despite its relatively smaller field, the race embraces a competitive spirit, supported by a six-hour time limit and a finish-line closure at 1 PM. Set against the stunning backdrop of fall colors, rock formations, and train trestles, the marathon also embodies a splendid atmosphere through its concurrent ultra-running events, featuring the Tunnel Hill 100 and 50-mile races, enhancing the camaraderie and festive environment for runners.

Expect temperatures between 36-57°F (2-14°C) with moderate humidity during the Tunnel Hill Marathon in early November. Vienna, Illinois, often experiences increasing rainfall this month, so be prepared for potential rain. Generally, moderate winds can be expected, adding a refreshing challenge to your run.

The Tunnel Hill Marathon offers a captivating 26.2-mile journey along the scenic Tunnel Hill State Trail in southern Illinois. Runners can expect a primarily smooth, crushed rock path with just a brief 1/3 mile of pavement at the start and a small concrete section near the finish. The course's gentle 2% grade, stretching from 400 feet in Vienna to 680 feet at Tunnel Hill, ensures a fast and relatively flat experience.

Participants will encounter several memorable landmarks, including the historic 600-foot Tunnel Hill Tunnel, which they traverse twice, and a series of picturesque train trestles ranging from 34 to 450 feet in length. The route also showcases stunning rock formations and ever-changing vistas. Though not directly on the course, the nearby Cache River State Natural Area offers connections to trails featuring ancient cypress trees and diverse wildlife.

Starting at Vienna City Park, the race begins with a loop around the parking lot before heading south, then turning north through the tunnel to the northern turnaround, and back through the tunnel to finish at Vienna Park. The final 9 miles feature a gentle downhill, adding to the course's reputation for record-breaking performances and Boston Qualifying potential. While the course is fast, runners should be prepared for limited water stations and the potential challenge of a rain-slicked crushed rock surface.

Visiting Vienna, Illinois, for the Tunnel Hill Marathon is an opportunity to immerse yourself in outdoor adventures and local charm. Beyond the race, explore the Tunnel Hill State Trail, which offers over 50 miles of scenic paths perfect for biking, hiking, and running. Marvel at the picturesque trestles and rock formations, or take a leisurely walk on the Todd Fink-Heron Pond Trail, featuring a floating boardwalk through a serene swamp. For those seeking tranquility, the Round Bluff Nature Preserve provides a peaceful retreat with its diverse flora and fauna.

Vienna's cultural offerings are equally enticing. Stroll through the Historic Vienna Town Square, which often hosts vibrant events like the Junque Jamboree, where you can find antiques, crafts, and local delicacies. Southern Illinois cuisine is a treat, with its renowned barbecue and farm-to-table restaurants. Don’t miss the chance to savor local wines at nearby wineries, offering a taste of the region's culinary heritage.

Extend your stay to explore the natural beauty of the Shawnee National Forest and Cache River State Nature Area. These areas boast stunning landscapes and diverse wildlife, perfect for nature enthusiasts. Whether you're here for the marathon or the allure of Vienna's attractions, the combination of athletic achievement and local exploration promises a rewarding experience.