Summer Camp

Summer Camp: July 16-20, 2022

Summer Camp

Series Dates: July 16-20, 2022
Race Times: All races will start at 6:00 AM (CT).
Packet Pickup / Registration: Beginning 90 minutes before Regular Race Start time each day at the start/finish line.

Early Start: Yes, optional for marathon, half marathon, and 50K only – recommended for finishers expecting 6+ hours. 5:00 AM (CT) each day.

Time Limit: None. We have a “no runner left behind” policy, and we happily stay until the final finisher crosses the line. Walkers are always welcome!
Pets / Strollers: Pets are not allowed, for the safety and comfort of our runners/walkers. Single strollers are welcome; although, some courses might not be ideal for stroller use.
Group dinners: Check Summer Camp Facebook Group.

Hotel Search: St. Cloud, MN
Discounts: Mainly Marathons participants can use the discount code in The Loony Bin newsletter and Mainly Marathons Facebook Group. If you have any questions, contact us for details.
Food/Aid Stations: Due to our unique multi-loop course setup, we have one giant “aid station,” with more food and drink than you could ever need! Ask anyone who’s run at least one of our races; we’ve got everything from fruit to jelly beans to sandwiches, water to Gatorade to hot coffee, and everything in between. Way more than just granola bars and bananas–we even have our very own mobile kitchen, Loony Lunchbox!

Additional Details: These are not technical trails, but there are “toe-catchers”, grass, gravel, and dirt. Also, if it rains, that means the trails will likely have wet + dirt = mud. As any good Boy Scout or Girl Scout knows, Be Prepared!


Race Locations (sequence of locations is tentative)



  • Day 1: TBD
  • Parking GPS Location (map): 45.723961, -94.221152
  • Race Start Map Location: No parking here
  • Terrain: Mixed – grass, hard-packed dirt, and crushed rock. There are a few small “toe-catchers”. Very shaded.
  • Elevation Gain (per lap estimates by Garmin): 3′
  • Tentative Laps: 16 for marathon.

Mississippir River County Park



  • Day 2: TBD
  •  GPS (map): 45.593722, -94.220038
  • Terrain: Smooth asphalt running path with little shade.
  • Elevation Gain (per lap estimates by Garmin): 20′
  • Tentative Laps: 18 for marathon.




  • Day 3: TBD
  • GPS (map): 45.535609, -94.241481
  • Terrain: Crushed rock and packed dirt trail with a few small hills. A few small “toe-catchers”.
  • Terrain: Crushed rock and hard-packed dirt trail with lots of shade. A few small “toe-catchers”.
  • Elevation Gain (per lap estimates by Garmin): 39′
  • Tentative Laps: 14 for marathon.
  • Course Lap Preview



  • Day 4: TBD
  •  GPS (map): (45.504867, -94.151790)
  • Please use street parking on 38th Street South (next to Travelodge).
  • Terrain: Smooth paved biking/running path with a few shaded areas.
  • Elevation Gain (per lap estimates by Garmin): 42′
  • Tentative Laps: 14 laps for marathon.

River Bluffs - 14 laps



  • Day 5: TBD
  •  GPS (map): 45.731322, -94.214646
  • Terrain: Crushed rock with moderate shade.
  • Elevation Gain (per lap estimates by Garmin): 15′
  • Tentative Laps: 14 for marathon.
  • Course Lap Preview

Bend in the River



Bunyan's BootBabe's Bash

River Runoff

Lazy Loon

Wandering WolfViking Voyage





July 16-20 2022
Race Type By 11/30/21 12/1/21-2/28/22 3/1/22-5/31/22 After 5/31/22
Full $100 $115 $130 $150
Half $85 $100 $115 $130
10K $45 $45 $45 $55
5K $35 $35 $35 $45
Register HERE!!
Mail-in Registration Form: HERE!!
You may also register  on race day (cash/check/credit card/PayPal). Entry fees are non-refundable and may not be transferred to another participant.

Click to view our most recent edition of The Loony Bin!

Running Ragged: 20in20

2018 MN Brothers Trail Series

Check out the amazing aerial video shot by a drone flown over our course in Clayton, NM, during the 2015 Dust Bowl Series!
Click HERE to video the full-sized video on our YouTube channel.

RUSA calendar link

USATF logo

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Mainly Marathons | 1239 2nd Street N, #308 | Sauk Rapids, MN 56379