At Monster Mountain Merthyr Tydfil, we believe motocross should be experienced by everyone – whether you’re lining up at the gate or cheering from the sidelines. Our Dirt Days Weekender, taking place July 19th & 20th, is all about getting together, hitting the track, and sharing the buzz of motocross with fellow fans. It’s the perfect chance to ride, watch, and enjoy a full-throttle weekend with something for everyone – from first-time riders to seasoned pros, and passionate spectators alike.

MX Racinig

EMX & E Balance Bikes

FMX Big Air Jam

Quads Sidecars & More

Get ready for a full weekend of off-road excitement and family fun! Enjoy non-stop entertainment with live music, delicious catering, and on-site camping, creating the perfect atmosphere for riders and spectators alike. Whether you’re here to compete, ride, or simply soak up the action, Monster Mountain Dirt Days promises an unforgettable experience for all!

Monster Mountain Dirt Day brings high-stakes action with an exciting prize fund for Expert Racing! Top riders will battle it out for cash prizes and ultimate bragging rights, pushing their limits on the track. With big rewards on the line, expect intense racing, fierce competition, and electrifying performances from the best in the sport!

Spaces are limited – book now to secure your gate pick!

Rider Catogories

We’re excited to announce Monster Mountain Dirt Day, and we’ll be opening entries and ticket sales very soon! Get ready for an action-packed weekend of racing, freestyle motocross, and family fun.

Stay tuned and keep an eye on our socials @monstermountainmx for updates and announcements!

Monster Race Classes (Petrol Classes)

These classes follow the Monster format, 20 min open Practice 2 blocks of racing Saturday and Sunday.

50cc Auto Ripper

65cc

85cc

125cc/250F Lites

Steady

Clubman (All Bike Sizes – Mixed Ability)

Vets 35+ & 45+ ( All Bike Sizes)

Expert Class (MX1 & MX2 Scored seperatly) Prize Money

Sparks – Electric Motocross Classes

Electric and junior Auto riders get their own classes with no racing pressure – just a chance to ride, practice, and showcase skills!

Youth E-MX (All Electric MX Bikes – Under 16s)
Adult E-MX (All Electric MX Bikes – 16+)
E-Drive Balance Bikes (Kids 3+ – All Skill Levels)

Additional Off-Road Classes

For riders looking to have fun and show off their skills across different disciplines!

Quads & Sidecars (Non- competitive)

Junior Autos

PW 50s

Want to get involved in the action at Monster Mountain Dirt Day? Whether you’re a rider, spectator, vendor, or looking to be part of the event in any way, we’d love to hear from you! Get in touch: info@monstermastersmx.co.uk

Join us for an unforgettable weekend of motocross, off-road excitement, and family fun!

Book now

Spaces are limited – book now to secure your gate pick!