International Day of Dirt

The Event


International Day of Dirt, the biggest bike event of the year, returns for another incredible day of mountain bike action on 22nd May 2021.

Aimed at bringing the world’s off-road community together for a day of trail-tearing action, the IDD is the perfect opportunity to join riders everywhere for an exhilarating mountain bike experience. 

Men, women and kids of all ages and skill levels are invited to hit the jumps, blast the trails, and soak up the atmosphere for the free event, hosted by Chain Reaction Cycles.


Watch the highlights from Kilbroney Park, Rostrevor below.

Share Your Ride

Upload your pics and videos using the hashtags #DayofDirt and #ChainReactionCycles to Facebook, Instagram & Twitter.

We will be picking a winner at random to win an epic Day of Dirt prize!

Battle In The Bowl

Chain Reaction Cycles are proud to support the Battle In The Bowl weekend.

We will be at the event & looking forward to seeing you there. All the information you need to join us can be found here

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