Rumble in the Jungle

The 2025 Rumble in the Jungle is a 50 mile or 25 mile Solo and 50 mile Team relay mountain bike race. Teams may consist of up to 4 riders. 

Race is Sunday, August 10, 2025

Racecourse will be available to pre-ride Friday and Saturday before the race. 

**No pre-ride on the day of the race.**

Kids race starts at 8:30AM  

Racer meeting at 9:15AM.  

Race starts at 9:30AM. 

Ebike race starts at 1:30PM (when the regular race ends)

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.

Class designation is the last class you raced in during the past 5 years. Sport team no more than one Expert member. Base team no more than one Sport member. Team Coed shall have at least 50% of the team numbers female.

50 mile Solo Categories:

Male Expert (18-39), (40+)

Male Sport (18-39), (40-49), (50+)

Male Base (18-39), (40-49), (50-59),(60+)

Female Expert Open

Female Base (18-39), (40-49), (50+)

25 mile Solo Categories:

Male Expert (18-39), (40+)

Male Sport (18-39), (40+), (50+)

Male Base (18-39), (40-49), (50-59), (60+)

Female Expert Open

Female Base (18-39), (40-49), (50+)

Junior 25 Boys (17U)

Junior 25 Girls (17U)

EBIKE Categories:

Male Ebike Expert

Male Ebike Base (18-49), (50+)

Female Ebike

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

50 mile Team Categories:

Team Expert 2-4 riders

Team Sport 2-4 riders

Team Base 2-4 riders

Team Co-Ed 2-4 riders

Team Female 2-4 riders

Kids Categories

3-5: fun ride

Boys 6-8: 1 laps kid’s course

Girls 6-8: 1 laps kid’s course

Boys 9-11: 2 laps kid’s course

Girls 9-11: 2 laps kid’s course

Registration is $55 per adult racer through July 4th.

Registration is $65 per adult racer July 5th until August 8th.

Registration is $75 per adult racer August 9th - 10th

Registration closes 1 hour before the race.

Junior registration is $25.

Kids 6-11 registration is $10.

Kids 3-5 registration is free.

Packet Pickup is at Markham Park MTB trailhead on Saturday August 9th from 10AM-2PM.

Late packet pickup is 7:30-9:00AM August 10th before the race.

Race age is your age on race day