Summer Trail Fest Ultra 50K, Half Marathon, & 5 Miler

🌲 Summer Trail Fest Ultra 50K, Half Marathon, & 5 Miler

Summer Trail Fest Ultra (STFU) is back for its fifth year on Saturday, June 13, 2026, at Sleepy Hollow State Park in Laingsburg, Michigan. This summer trail race is the perfect mix of beginner-friendly and PR-worthy, with smooth, well-marked singletrack and generous cutoffs that make it accessible for both new and experienced trail runners. Whether you’re ready for your first 50K ultramarathon, looking to nail a faster half marathon, or want to test yourself on the 5 mile trail race, STFU delivers a one-of-a-kind Michigan trail running experience.

🗺️ Course Highlights

• Trail Composition: About 90% well-groomed trails with minimal technical terrain.
• Cutoff Times: 20:00/mile for 50K and 45:00/mile for Half Marathon.
• Support Stations: Well-stocked with water, electrolytes, gels, and real food options.
• Accessibility: Generous cutoffs making it an ideal choice for anyone stepping into longer trail distances.

🍔 Post-Race Celebration

After the finish line, the fun doesn’t stop. Stick around for a post-race cookout and BBQ featuring burgers, hot dogs, sides, and plenty of trail camaraderie. In 2026, spectators can even purchase picnic tickets, so your family and friends can join the celebration too.

🏅 Unique Medals & Bundle Savings

Even better? STFU is the summer counterpart to the February Winter Trail Fest (WTF) Half Marathon & 5 Mile in Brighton and Middleville. Each year, the STFU and WTF medals are designed to magnetically connect into one giant finisher medal. You can also register through the WTF + STFU bundle to save 15% off each race while guaranteeing your spot in both events.

🏃‍♂️ Why Run STFU?

• Beginner-Friendly: Trail race with smooth, scenic singletrack.
• Distance Variety: Options for everyone: 50K, Half Marathon, and 5 Mile (run or ruck).
• Generous Cutoffs: 20:00/mile for 50K and 45:00/mile for Half.
• Well-Stocked Aid Stations: Run without a crew and still be fully supported.
• Easy Navigation: Excessively well-marked course to eliminate navigation stress.
• Post-Race Fun: Enjoy a cookout and BBQ at the finish line.
• Seasonal Medals: Medals that connect with Winter Trail Fest for full-season accomplishment.
• Central Location: Convenient access from both east and west sides of the state.

Summer Trail Fest Ultra, Half Marathon, and 5 Mile is more than just a race—it’s a celebration of summer trails, community, and the joy of finishing something big. Register today and get ready to STFU and Run on June 13, 2026! Register Now!