Valentines Day Fun

A Different Way To Spend The Day

Ditch the clichés and do something different this Valentine’s Day in Essex. Get outdoors with a unique Valentine’s Day experience, challenge yourselves, work together and enjoy plenty of laughs — all while switching off from everyday life and making unforgettable memories.

GET READY FOR Valentines Day 2027

These events have now finished for the current season, but they’ll be back. We’re already working on future activities and experiences, with new dates and details released here once confirmed. In the meantime, follow us on social media or sign up to our mailing list to be the first to hear when bookings reopen and new events are announced.

Nuclear Offers

15% Off Hotel accommodation

Whether you are taking on a muddy obstacle course, ziplining through the trees or doing multiple activities, the Holiday Inn Brentwood M25, Jct. 28 is your ultimate basecamp.

MUD TRIBE TEAM REWARDS: £50 Voucher & FREE Race Ticket!

Gather your tribe! Book a 5km team wave with 20+ members for a £50 Nuclear Voucher, or hit 30+ for a free race ticket.

DryRobe Upgrade: Get a FREE Event Ticket

Purchase a co-branded Nuclear DryRobe at checkout and get a FREE entry for an eligible Nuclear Race, Rookie event, or Nuclear Fit session!

The ROOKIE MUDALLION: Earn a HUGE Blinging Medal!

Enter 2 of our qualifying children's races in a calendar year and earn the free, absolutely HUGE, blinging Rookie Mudallion!

EARN THE MIGHTY MUDALLION: Complete the Ultimate Nuclear Challenge

Prove your commitment: Complete three totally different qualifying Nuclear Races events in one year to earn the legendary, exclusive Mighty Mudallion.