406 Adventure Race Triathlon & Duathlon

Sun June 26, 2022 Directions
Yes. You. Can.

LAKE ELMO STATE PARK.  Located in Billings, MT 

The 406 Duathlon & Triathlon races just got elevated! The 406 Race Series is thrilled to partner with Big Sky Games by adding a triathlon event in conjunction with the 406 Adventure Race.
BONUS! Medal winners in the Triathlon/Duathlon events will be invited to the State Games of America in Des
Moines, Iowa July 27-31, 2022.

Beginners and adventure junkies alike are welcome at this sure to be SWIFT and FUN ADVENTURE!

Amazing Swag... Long-Sleeve Hoodie Tech Shirt | M/F Age Group Awards | M/F Overall Awards

All transitions will be held within Lake Elmo State Park Parking/Boat Ramp area. 
Transition area open to Racers: 6:30am - closes 7:45 am
Tri Races start at 8:00am - Wetsuits are allowed
Du & 5K Races start at 8:10am

Triathlon Long Course: 800M Swim | 26.2K Bike | 10K Run 
Triathlon Sprint Course: 400M Swim | 26.2K Bike | 5K Run
Triathlon Long Course Team (2 -3 members)
Duathlon Long Course: 1.2K Run | 26.2K Bike | 10K Run
Duathlon Sprint Course: 1.2K Run | 26.K Bike | 5K Run 
Duathlon Long Course Team (2-3 members)
406 AR 5K Run Only

TEAMS: Teams can consist of 2 or 3 members.
1st person (captain) signs up and pays for the team.  The other 1 or 2 team members must sign up AFTER the captain, using the team password created by the captain.  The 2nd and 3rd member will NOT be charged.


Packet Pick Up:
When: Saturday, June 25
Where: Scheels, Billings, MT (follow the signs  upstairs in the conference room)
Time: 10:00a - 12:30p - Please... pick  up on this day! 
Race Day Pick-up- location:  6:30a-7:00a - no race day event changes. 



Lake Elmo Swim Course

Sprint 400M Swim Course - 200m Out and Back 
Long 800M Swim Course - 400m Out and Back 

5K Sprint Course Run Leg is 1 Loop of the 5K Course
10K Long Course Run Leg is 2 Loops of the 5K Course

The 3.1 mile run is on dirt trails and paved roads.  Participants will run on out and back on the west shoulder of Lake Elmo Dr. down to Stillwater Lane, and around Lake Elmo Park before finishing near the transition area.


Bikers exit the transition area and take a left  proceeding past the Park entrance booth 

  • Course continues straight on to Pemberton at the corner of Pemberton and Rolling Hills
  • Bikers will be moved over to the left-hand side of road about a block from Main St.
  • Bikers will turn left on Main St. and remain on the left-hand side following the coned off lane
  • The Bikers will take another left at the corner of Roundup Rd. and Main (1 law enforcement officer in uniform with vehicle and flashing lights at intersection of HWY 312 and Roundup Rd).  In addition, there will be signage posted on HWY 312 – slowing traffic into one lane onto main.
  • Bikers will watch traffic to cross and ride the direction of traffic.  
  • Riders will ride on the very wide shoulder of the road.
    (1 -2 security officers with vehicle and flashing lights posted further up on Roundup Rd.)
  • Bikers continue 4.5 miles North on Hwy. 87 (Volunteer at Lorraine Rd.)
  • At the Shepherd Acton Rd. participants turn right proceed to turn around.
  • Bikers turn around and return to Billings on Hwy. 87 following the course in reverse.  Bikers ride with traffic the entire way back to Lake Elmo.
Duathlon 1st Run Loop

Duathlon participants will start their first run leg 1.2 at the top parking lot by the restroom. The course is all on dirt path and will follow the path around Lake Elmo. Transition to the bike is on pavement. After the bike course is completed transition to final 5K Run (Sprint Course) or 10K Run (Long Course 5Kx2)

All transition legs will be held within Lake Elmo State Park - Billings, MT
Race Website

Additional race information can be found at https://www.406raceseries.com/.

Race Contact Info

If you have any questions about this race, click the button below.

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All transition legs will be held within Lake Elmo State Park - Billings, MT


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