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Entry Fees

  • $35 XC Expert & Sport
  • $25 XC Beginner
  • $15 Juniors 

Day-Of Registration - $50

XC EXPERT CATEGORIES (4 laps)

  • Open Male
  • Open Female
  • Single Speed

XC SPORT CATEGORIES (3 laps)

  • Male 15-17
  • Male 17-34
  • Male 35+
  • Female 15-17
  • Female 17-34
  • Female 35+
  • Single Speed
  • Clydesdale (200+ lbs)

XC BEGINNER CATEGORIES (2 laps)

  • Beginner Male
  • Beginner Female

XC JUNIOR CATEGORIES (1 lap)

  • Junior Male 18 & under
  • Junior Female 18 & under

Tamarack Twister Marathon & XC MTB


2018 XC Expert MTB $35.00
Available Until : Friday, August 17, 2018 11:59 PM
Registration List / Roster

2018 XC Sport MTB $35.00
Available Until : Friday, August 17, 2018 11:59 PM
Registration List / Roster

2018 XC Beginner MTB $25.00
Available Until : Friday, August 17, 2018 11:59 PM
Registration List / Roster

2018 XC Junior MTB $15.00
For ages 18 & under. You can choose from Sport (3 laps), Beginner (2 laps), or Junior (1 lap) categories.
Available Until : Friday, August 17, 2018 11:59 PM
Registration List / Roster

2018 Knobby Tire Series  

Race Start Times:    

  • 9:00 am 

Post-Race Activities:

  • Keg of 10 Barrell Brewing Beer
  • Awards and raffle following the last race
  • Food onsite

NOTE: The final course has not been determined. A course map and additional details will be posted as soon as possible. Watch the Knobby Tire Facebook page for updates.

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To register participants, simply click the Add To Cart button for each person before checking out and we'll ask for that individual's registration info during the checkout process.

When & Where
Event Date:
Sunday, August 19, 2018  
Event Location:
311 Village Dr
Tamarack ID 83615

Exact Location
Location Map

Helpful Links

Knobby Tire Series Facebook Page

Knobbytireseries.com

Tamarack Resort Website

Questions about the race? Send an email to alex01phipps@gmail.com

Helpful Tip

Please click the SUBMIT button only one time at checkout.