The 2019 Markham Challenge is April 14th at 9AM. (Kids race starts at 8AM.)

The Markham Challenge is a 50km or 100km Solo and 100km Team relay mountain bike race. Teams may consist of up to 4 riders.

Register online ONLY. Click here to register.


Class designation is the last class you raced in during the past 5 years. Sport team no more than one Expert member. Intermediate team no more than one Sport member. Novice team no more than one Intermediate member. CO-ED team must have one female and no more than one male Expert.

100km Solo Categories:

Male Solo 100 Expert

Male Solo 100 Sport

Male Solo 100 Base

Male Solo 100 Novice

Male Solo 100 Single Speed

Male Solo 100 Grand Masters (age 50+)

Clydesdale Solo 100 (220+ lbs)

Female Solo 100 Expert

Female Solo 100 Sport

Female Solo 100 Base

Female Solo 100 Novice

Female Solo 100 Masters (age 40+)

50km Solo Categories:

Male Solo 50 Base

Male Solo 50 Novice

Female Solo 50 Base

Female Solo 50 Novice

Junior Boys 50 (12-17)

Junior Girls 50 (12-17)

*Solo categories may be combined if there are not at least 3 registered racers in a category.

100km Team Categories:

Team Expert 2-4 riders

Team Sport 2-4 riders

Team Base 2-4 riders

Team Novice 2-4 riders

Team Female 2-4 riders

Team Co-Ed 2-4 riders

Kids Categories:

Boys (6-8)

Boys (9-11)

Girls (6-8)

Girls (9-11)

Kids (3-5)

Kids 6-9 will race one lap of a special kids course 3 to 4 miles at 8AM before the main race. Kids 3-5 will ride a fun ½ mile lap on the service road.

Please support the Markham Park Mountain Bike Trails by entering the race, whether you ride one lap or more your support of the trails is in your benefit. All proceeds go to the Markham Park Trail Building Fund, and will be used to build and maintain YOUR Markham Park Trail System.

Registration Closes at 4PM Saturday April 13, 2018.



Early Registration is $40 per adult racer until February 28, 2019.

Registration is $45 per adult racer from March 1st until March 31st.

Registration is $50 per adult racer from April 1st to April 12th.

Late Registration is $55 per adult on Sat April 13th.

Junior Registration is $10.

Kids Registration is free.

Register online here.


Packet pickup is on Sat April 13, 2019 at MEGACYCLE Hours: 10AM – 4PM.

Racer meeting Sunday April 14 at 8:45.

Race starts at 9AM.

All kids will receive medals.

Adult top 3 finishers receive medals and podium.

100k finishers under the cut off time receive a medal.

Markham Challenge 50k-100k super soft Hanes Nano-T, order online now through April 15th.

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Trails are maintained and improved by volunteers. Let's help make them better!