Get ready for a functional fitness challenge built for all abilities. Cerox is back, and this time, there’s no running. Just pure work. You’ll take on 8 fitness zones designed to test your endurance, strength, and grit. Choose your level of challenge: Cerox Iron: The same zones as the classic Cerox event, but without the running. Cerox Iron X: Twice the grind, none of the miles. Double the reps, double the work. You can sign up as an individual or with a partner team. Teams can divide the zone work however they choose. Estimated Wave Time: 11 AM: Iron X Individual 12 PM: Iron Individual 1 PM: Iron X Teams 2 PM: Iron Teams Get your tickets now and be part of the action on November 15th! Cerox Iron Workout: Zone 1: 400M Row Erg Zone 2: 30 Deadlifts - 155/105 Zone 3: 400M Ski Erg Zone 4: 20 Sandbag Over 4' Bar - 100/70 Zone 5: 75M Walking Lunges - RAM 55/33 Zone 6: 200M Farmers Carry - 2x 60's/ 40's Zone 7: 30 Cal. Echo Bike Zone 8: 30 Burpees to Plate Cerox Iron X Workout: Zone 1: 800M R
Hotels Near This Race
Find accommodation close to the start line in Frederick, CO. Sorted by distance from the race venue. Book early — race weekend hotels fill fast.
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Race Travel Insurance
Don't forget travel insurance for August 22.
You've trained for months and booked a trip to Frederick, CO.
A pre-race injury, a delayed flight, or a family emergency can derail the whole thing.
Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it,
and may cover medical costs if something goes wrong on the course. Plans typically only run
5-7% of your total trip cost — and running events are covered under standard plans with no
additional coverage needed.
Trip cancellation up to 100% of prepaid costs
Running events covered under standard plans — no add-ons needed
Trip interruption up to 150% of non-refundable costs
