In 334 days · Sat, Aug 28, 2027
Don't let race day sneak up
One email during race week. That's it.
Saturday, August 28th, 2027
41 Mile Hill Road, Westminster MA
1 Mile
58–75°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
49–68°F
dry
2024
53–70°F
dry
2023
63–75°F
rain
2022
68–88°F
dry
2021
66–78°F
dry
2020
55–67°F
dry
2019
57–79°F
dry
2018
64–82°F
dry
2017
54–70°F
dry
2016
58–80°F
dry
Best months to race in Massachusetts →
Race-day forecast · Saturday, Aug 28
Cloudy · 56–72°F
Saturday, Aug 28starts near 56°F · 18% chance of rain · wind up to 14 mph
About this race
You’re In. Welcome to UltraTrax Wachusett.
Get ready for a full day of movement, challenge, and time on the trails at Wachusett Mountain.
Course Description
Your course winds through Wachusett’s wooded mountain terrain, combining:
- Steady climbs: Prepare for a workout with elevation changes.
- Rocky stretches: Navigate through challenging terrains.
- Ski slopes: Experience the thrill of sprinting down an incline.
- Forest trails: Enjoy the beauty of pine and hardwood forests.
Whether you’re here to walk 7 miles or push all the way to 28, the challenge is yours to define.
Event Details
10 hours. One 7-mile loop. Four distances. How far will you go?
Complete your goal within the 10-hour event window. Want another layer of challenge? Take it on with:
- 10 lb. ruck: Add some weight to your journey.
- 20 lb. ruck: Test your limits with additional resistance.
- 35 lb. ruck: For those seeking a serious challenge.
The course will be clearly marked from start to finish, with:
- Aid stations: Well-stocked stations positioned along the route.
- Support: Staff to keep you fueled and moving.
Trek Day Information
Trek Day will take place at:
- Location: Wachusett Mountain Ski Area
- City: Princeton, Massachusetts
The start line is open between 7am–10am and is divided into:
- 28 milers: Start at 7am
- 21 milers: Start at 7:45am
- 14 milers: Start at 8:30am
- 7 milers: Start at 9:15am
UltraTrax is not a race, but it is a timed endurance event. You’ll have up to 10 hours to complete your chosen distance.
Bib Pickup
Your bib may be:
- Mailed: Sent to you in advance.
- Picked up: On event morning for those registering after the cutoff.
Taking on the Ruck Challenge?
If you registered for a weighted division, bring your own:
- Ruck: Necessary for added weight.
- Backpack: Use it for carrying extra gear.
- Weighted vest: Another option for increased difficulty.
Your pack will be weighed before you begin, and everything in the pack counts toward your required weight except:
- Perishable food: Does not count towards weight.
- Drinks: Also excluded from weight requirements.
What’s Waiting at the Finish
Finishers will receive:
- Custom medal: A Grey Wolf Medal for 28 and 21 milers, Trail Wolf Medal for 14 and 7 milers.
- Event T-shirt: Celebrate your achievement.
- Event patch: A token of your accomplishment.
- Additional swag: For weighted divisions.
After your trek, stick around and enjoy:
- Base Camp atmosphere: Relax and celebrate.
- Food and drinks: Available for purchase.
- Recovery space: Time to refuel and unwind.
- Family and friends: Welcome to join you at Base Camp.
What to Expect at Wachusett
A Mountain Course That Makes You Earn It:
- Seven miles: Challenging terrain with sustained climbing.
- Wooded trails: Experience natural beauty throughout.
New Views Every Loop:
- Dense forest: Experience the New England wilderness.
- Changing elevations: Variety in your surroundings.
A Challenge You Choose:
- Flexibility: Define your success on your own terms.
- Weight options: Add challenge with weighted divisions.
Support Along the Way:
- Well-marked course: Follow clearly defined paths.
- Event staff: Available for assistance throughout the day.
Parking Information
Complimentary parking is available onsite at Wachusett Mountain.
More detailed arrival, parking, course, and event-day information will be sent as Trek Day gets closer.
Move With Purpose
UltraTrax is all about:
- Spending time outside: Enjoy nature as you move.
- Challenging yourself: Go farther than you thought possible.
- Supporting conservation: Proceeds support land conservation.
- Joining a community: Be part of something bigger.
You’re officially part of the pack! We’ll see you at Wachusett.
For more information, visit the race page: UltraTrax Wachusett.
Course map
Hotels for race weekend
Live prices near the start line, Aug 27 – 29, 2027.
Train with a club
Run clubs near Westminster to train with before race day.
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.















