September 18-19, 2021

Loppet Field Day & Surly Brewing Co. Trail Loppet

The Urban Trail Run and Festival
Half Marathon · Half-Half · 5K

New this year, the Loppet Field Day on September 18 is a fun-filled day of both competitive and non-competitive events for all ages and abilities. The day will start with a timed 5K trail run/walk and be followed by an untimed 1 mile and 0.5 mile trail run, before concluding with a variety of fun “trail and field” games and challenges.

  • Field Day 5K
  • Field Day 1 mile
  • Field Day 0.5 mile
  • Field Day Games and Challenges

Our most popular trail running event of the season, the Surly Brewing Co. Trail Loppet on September 19 is a day of rugged, urban trail running in Minneapolis’s largest regional park. The Half Marathon and Half-Half (6-8 miles) races in Theodore Wirth Park are the ultimate urban trail running experience, and all participants will be greeted after the race with music and a free Surly Brewing Co. beer (with a valid ID).

  • Half Marathon
  • Half-Half (6-8 miles)

Event updates and announcements will be posted here.

 StatusStarting 6/18/2021Starting 7/18/2021Starting 9/1/2021Starting 9/17/2021
Half MarathonOpen$60$75$95$105
Half HalfOpen$50$65$85$95
Field Day (5K)Open$30$45$65$65
Field Day (1 Mile or Half Mile)Open$10$15$20$20
Register Now!

Registration and transaction fees are non-refundable, including in the event of delay, rescheduling, or cancellation of an event or program. An event or program registration is not transferable to another person or another event for any reason, including injury. Participating under another person's name will result in disqualification.

A Note About the Data We Collect

Proceeds from the Loppet Field Day & Surly Brewing Co. Trail Loppet benefit the Loppet Foundation. Learn more about the Foundation's mission, vision, and values.

DISTANCE CHANGES: The deadline to make race distance changes is 4:00pm on the Friday a week before the race. After that, a registrant wishing to change to a shorter distance will need to register and pay the full fee for the new race distance. If you are dropping from the Half-Marathon to the Half-Half, please indicate your new pace preference in your email to

Packet pick-up schedule and locations will be posted 4 weeks prior to the event. Please check back at that time for details.

Loppet Field Day Schedule (Saturday)

  • 8:30am Field Day 5K
  • Field Day 1 mile (approx 9:30am, to follow 5K)
  • Field Day 0.5 mile (approx 9:45am, to follow 1 mile)
  • Field Day Fun Activities (tentative: 9am-noon)

Surly Brewing Co. Trail Loppet Schedule (Sunday)

  • Half Marathon (8:30am-9:15am depending on wave)
  • Half-Half (6-8 miles) (tentative: 10am, to follow the Half Marathon)

Course Map

The 2021 course maps will be available soon. For reference, you can view the past year’s map here: 2019 interactive Google Map.

The course follows a mix of paved and non-paved trails, so wear appropriate footwear. Compared to the Sitka Salmon Shares CityTrail Loppet, the Surly Brewing Co. Trail Loppet races feature slightly more difficult terrain.

Course Markings

The course is well-marked with a combination of blue ribbons, blue arrows, and flour. However, know that there are many intersections and runners are responsible for staying on course.

Aid Stations

Aid stations will have water and energy to keep runners hydrated on the course.

Cut-off Times

Racers may choose to finish, but course marshals and volunteers will be released from their positions at the cutoff times.


We encourage participants and spectators to bike, walk, or jog on race morning. There will be an area at the Start/Finish where you can lock your bike to racks.

For those who must drive, we encourage carpooling. All participants and spectators should park in the nearby Mortenson parking lot. It is a short walk or jog from there to the start area. 


Participants must register by September 10 in order to receive a race t-shirt.


Placement award information will be posted here when available.

Surly-est Runner Contest

Did you get bumped around or really roughed up on the trail? Let us be the judge. Go to the Surly tent to get your name on the contest list before start of the awards ceremony. The one we deem most scratched, scraped, and bruised will be crowned the Surly-est Runner, rewarded with a swag bag! You must be present to win. Anything goes! We take scrapes, blood, sprains, lacerations and breaks (though, really, we hope it doesn’t come to this). The worse off you are, the better your chances of winning. Cheating is unacceptable.

Social Media Awards

Share your event photos to Facebook, Instagram, and/or Twitter to be eligible to win some great prizes.

*Must use #TrailLoppet to win. Please make sure your account is public, or tag the Loppet Foundation in your photo so we can see your masterpieces!

All volunteers will receive race swag and one free beverage or beer (with valid ID). Please e-mail with questions.

2020 Results & Photos

2019 Results & Photos

2011 Results

Join the Adventure!

Detailed sponsorship opportunities and packages are available.
Please contact the Loppet Foundation Sponsorship Manager:

Title Sponsor

Official Apparel Provider

Lodging Sponsor

Gold Sponsors

Silver Sponsors

Bronze Sponsors

The Loppet Foundation
1301 Theodore Wirth Parkway
Minneapolis, MN 55422