406 Duathlon Challenge, 5k and Kid's Dash & Pedal

Starts Saturday June 12th, 2021

Billings, MT

Official Website


It's a festival.  It's a bike race.  It's a foot race.  It's a family fun day.  It's a physical challenge.  It's a gathering of friends and neighbors. It's so much more! Gather together in Billings on Sunday, June 13th, 2021 for the Fifth Annual 406 Race Series' 406 Duathlon & 5k Challenge!
At 406 Race Series we take pride in providing our participants an amazing race experience and an important part of that is safety.

  • If you choose an In-person race we will be following strict guidelines for distancing and mask wearing before and after the race. Racers will start in waves.

  • If you register for the Virtual Race option you will have the opportunity to to submit your results (directions will be coming soon) any time from June 14 - 20. If you register for the Virtual Race we will mail your race packet.

In-Person Option: Participate in one of three Duathlon distances that are sure to challenge the beginner and elite racer.  RELAY TEAMS: Groups of two may enter a relay team for the mid or long distance Duathlon events. If you're not a cyclist you can still join in the fun and run in the 406 5K (a 3.1 mile run to the Yellowstone River!)
Short Course: 2mi Run - 10mi Bike
Mid Course: 5K Run - 20mi Bike
Long Course: 10K Run - 24mi Bike

Virtual Option: Can't join us in person?  Choose Short, Mid or Long Course Virtual Registration Option - Race Swag and finisher medals will be mailed. You'll also have the opportunity to submit results and photos. Age Group or Overall Awards will not be eligible however, we will draw for prizes for those who submit results! 

KIDS: Saturday, JUNE 12: Kids' Dash 'N Pedal We love to see kids active and this is a super fun closed course event to get them engaged in the sports of biking and running! .

More details to be announced!

Race Distances

Price Register
Mini Kids Dash 'N Pedal (SATURDAY) Ages 3-5 Click to Find Out Register »
Kids Dash 'N Pedal (SATURDAY) Ages 5-10 Click to Find Out Register »
406 5K Click to Find Out Register »
Short Course Duathlon (2 Mile Run / 10 Mil... Click to Find Out Register »
Mid Course Duathlon (5k Run / 20 Mile Bike) Click to Find Out Register »
Long Course Duathlon (10k Run / 24 Mile Bike) Click to Find Out Register »
RELAY Long Course (10k Run / 24 Mile Bike) Click to Find Out Register »
RELAY Mid Course (5k Run / 20 Mile Bike) Click to Find Out Register »

Places to Stay

Get Directions

Start Location

8101 S Frontage Road - Behind Furniture Row stores (SUNDAY ACTIVITIES), Billings, MT

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