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

🌞 Event Overview

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 Details

The course features about 90% well-groomed trails with minimal technical terrain, making it an ideal choice for anyone stepping up to longer trail distances. With 20:00/mile cutoffs for the 50K and 45:00/mile cutoffs for the Half Marathon, you’ll have plenty of time to finish strong.

• Course Type: 90% well-groomed trails
• Cutoff Times: 20:00/mile for 50K: 45:00/mile for Half
• Aid Stations: Well-stocked with water, electrolytes, gels, and real food options
• Support: Run without a crew and still be fully supported

🎉 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.

🏅 Special Features

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
• Distances: 50K, Half Marathon, and 5 Mile (run or ruck)
• Cutoff Times: Generous (20:00/mile for 50K, 45:00/mile for Half)
• Aid Stations: Well-stocked for a crew-free experience
• Course Navigation: Excessively well-marked course
• Post-race Festivities: Cookout and BBQ celebration
• Connect Medals: Magnetically connect with Winter Trail Fest for a full-season accomplishment
• Location: Central Michigan, convenient to both east and west sides of the state

📝 Get Ready to Register

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! For more details, visit the race website.