Learn More:
     About the Challenge
     + Registration + Fundraising
     + Safety and Training
     + Fundraising Tool Kit
     + Register

Back again this year--the ultimate challenge for your inner athlete. Register for our take on a Duathlon, presented by Geiger, and crush 2 events in 1--a 4.5-mile run followed by at 21.5-mile ride!



The Dempsey Duathlon is a 25-mile course that you'll split into a 4.5-mile run to a rest stop where you'll change your gear and finish the remaining 21.5 miles in a challenging ride to the finish. 

General Information:

  • Event is limited to 150 participants - so register today!
  • Must be at least 15 years of age to participate
  • 4.5 mile run must be completed in 1-hour (roughly a 12 minute/mile pace)
  • Bag and bike drop off at designated rest stop to take place early Saturday morning (details to come)
  • Bag Valet will be available
    • Personal items left behind for the ride portion will be bagged and labeled
    • Bagged items will be transported and available for pickup at the Bag + Bike Tent at the finish line


Participant Type Registration Fee Fundraising Minimum
Adult Dempsey Duathlon  $100 (counts towards fundraising minimum) $500
Youth Dempsey Duathlon (Ages 15-18) $50 (counts towards fundraising) Suggested $250**

*Age as of 9/21/2024; **Not required to participate

In-person event located in Lewiston, Maine featuring 5K run/walk and ride events on Saturday, September 21st. Virtual event you complete anywhere and in any way you choose. Join our global community as we support people impacted by cancer. 
Dempsey Challenge Registration Includes: Virtual Challenge Registration Includes:
  • Participant t-shirt
  • Fundraising Incentives
  • Fundraising Tool Kit to help you achieve your fundraising goals!
  • Beverage ticket to enjoy a Maine craft beer, mimosa or bloody Mary
  • Maine-inspired finisher meal in the Food + Beverage Tent featuring a Maine blueberry pancake breakfast and lobster roll lunch
  • Participant t-shirt shipped to you
  • Fundraising Incentives shipped to you
  • Fundraising Tool Kit to help you achieve your fundraising goals!
  • Challenger Tool Kit including virtual training plans, nutrition tips and more!
  • Virtual Challengers who complete and submit their activity will receive an official Virtual Challenge Finisher patch


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