FAQ

Welcome to the Summer Trail Fest Ultra (STFU) 50K, Half Marathon, and 5 Mile FAQ page. Whether you’re a first-timer, seasoned ultrarunner, or curious rucker, this guide covers everything you need to know before race day.

General Race Information

When is the race?

STFU takes place on Saturday, June 13, 2026, at Sleepy Hollow State Park in Laingsburg, Michigan.

What distances are offered?

50K Ultramarathon (run or ruck)
Half Marathon (13.1 miles) (run or ruck)
5 Mile (run or ruck)

What is a ruck division?

Ruckers carry a weighted pack or vest: 20 lbs if under 150 lbs bodyweight, 30 lbs if over 150 lbs. All three distances have ruck divisions. Learn more about rucking at GORUCK.

How do I register?

Register online! On site race day registration is available but medals may not be available and shirt sizes may be limited.

Can I switch my race distance? I'm supposed to run the 50K but I need to change to the Half Marathon.

You can switch your event registration by following these instructions.

Can I add or change the club/team I'm racing with?

Yes, just follow these instructions. If it's within two weeks of the race, and you were notified your team has VIP status, you need to email Megan at megan@triviumracing.com or your packet will not be pre-pulled.

How do I update my profile or emergency contact information?

Just follow these instructions.

Course & Cutoffs

What is the course like?

The course is 90% smooth, groomed trail with minimal technical terrain—perfect for beginners but still fast enough for veterans chasing a PR.

What are the cutoff times?

50K: Course open 7:30 am - 5:50 pm. 20:00/mile cutoff pace. 12:40 pm hard cutoff at mile 15.5, Aid Station 6.
Half Marathon: Course open 7:30 am - 5:50 pm. 45:00/mile cutoff pace.
5 Mile: Course open 8:00 am - 5:50 pm. Generous cutoff—plenty of time to finish!

What's the elevation like?

50K: ~1,100 feet of gain
Half Marathon: ~500 feet of gain
5 Mile: ~132 feet of gain

Will the course be marked?

Yes. Trivium Racing is known for over-marked trails. Even if you’re pushing the pace, it’s very hard to get lost at STFU. If you know you tend to stare at your feet, then just study the course markings in the Athlete Guide and pay attention to the awesome volunteers yelling directions!

Aid Stations & Support

How many aid stations are there?

Check out the aid station chart for all the details!

5 Mile: 1 aid station
Half Marathon: 5 aid stations
50K: 6 aid stations (passed twice = 12 stops total)

What’s at the aid stations?

Water, Tailwind, Hüma gels, salty + sweet snacks, trail mix, hummus wraps, pierogis, and more. All aid stations have basic first aid, electrolytes, and feminine hygiene supplies. Bathrooms are located near several aid stations. Check out the aid station chart for all the details!

Do I need a crew?

No crew required! The aid stations provide everything you’ll need to finish strong and our volunteers are super supportive.

Post-Race

What happens after I finish?

STFU has one of the best post-race celebrations around:

Cookout BBQ with burgers, hot dogs, drinks, and sides
Spectator picnic passes available for purchase
Chill at the beach, hang with your trail crew, and cheer for other finishers
Last year we had massage therapists from Lansing Community College Massage Therapy School and lawn games, contests, and shoe demos with Altra Running and Running Lab Brighton!

Do I get a medal or swag?

Yes! Every finisher receives:

A custom finisher medal that magnetically connects with the Winter Trail Fest East and West medal
A technical tank/singlet/shirt with sublimated design
Chip timing and live results by Trivium Racing
Custom bumper sticker
Awards for overall and age group winners

Check out this page for designs and more information.

We also offer an Economy Registration. Skip the swag and save some cash!

Logistics

Where's the start line? What address should I put into my Navigation System?

7835 E Price Rd, Laingsburg, MI 48848

Follow the signs to the Beach Parking Area. You'll drive another mile North down State Park Drive and park at the Sleepy Hollow State Park Campground.

Where do I park?

Parking is available at Sleepy Hollow State Park very close to the start/finish line. Michigan Recreation Passport (State Park pass) required.

When should I arrive?

Plan to arrive at least 1 hour before your start time to allow for parking, bib pickup, the pre race meeting, and warm-up.

Is there race-day registration?

Yes, if spots remain, but we strongly recommend registering online before race week to guarantee your swag and medal.

Bundles & Discounts

What’s the WTF + STFU Bundle?

Register for both Winter Trail Fest (WTF) East or West Half Marathon and 5 Mile and Summer Trail Fest Ultra (STFU) and save 15% off each race. Even better: the medals magnetically connect into one giant piece. Motivation to train through the winer, then carry that fitness into the summer!

If I'm already registered for one race. Can I register for the bundle and still get the discount?

We don’t retroactively discount registrations, but we can offer you the 15% discount on the second registration. Email Cathi at cathi@triviumracing.com.

Race Insurance

I can't attend the race but I purchased race insurance. How do I make a claim?

Please see additional race insurance information here along with contact information: https://help.runsignup.com/support/solutions/articles/17000073422-claiming-event-insurance

Contact

I still have a question after reading all of this and the Athlete Guide.

No problem! Email Cathi at cathi@triviumracing.com.