CEROX IRON + IRON X 2026 — Frederick, CO

Date
August 22, 2026
Location
Frederick, CO
Venue
3771 Monarch Street
Start Time
10:00 AM
Entry Fee
$45.00 – $55.00
Events
Cerox Iron Individual, Cerox Iron Teams of 2, Cerox Iron X Individual, Cerox Iron X Teams of 2
Register NowRegistration Open

Registration for CEROX IRON + IRON X costs $45 to $55. The race takes place on August 22, 2026, in Frederick, Colorado, at 3771 Monarch Street, with a typical start time of 11:00 AM. This event offers multiple distance options to suit different fitness levels and training goals. Whether you're looking for a shorter challenge or planning to push your limits, CEROX IRON + IRON X provides accessible entry pricing and a straightforward race experience for endurance athletes in the area.

From the Race Organizer
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. 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 Row Erg Zone 2: 60 Deadlifts - 155/105 Zone 3: 800M Ski Erg Zone 4: 40 Sandbag Over 4' Bar - 100/70 Zone 5: 150M Walking Lunges - RAM 55/33 Zone 6: 400M Farmers Carry - 2x 60's/ 40's Zone 7: 60 Cal. Echo Bike Zone 8: 60 Burpees to Plate

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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CEROX IRON + IRON X 2026 — Frederick, CO

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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
  • Emergency medical up to $250,000
  • Cancel For Any Reason add-on available
  • 24/7 real-time support
Get a Quote — Faye Travel Insurance

Affiliate links — we may earn a commission at no cost to you. Coverage terms vary by state and plan. Review policy details before purchase.

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Frequently Asked Questions

When is CEROX IRON + IRON X 2026 — Frederick, CO?

CEROX IRON + IRON X 2026 — Frederick, CO takes place on August 22, 2026. The race is held in Frederick, Colorado.

Where is CEROX IRON + IRON X 2026 — Frederick, CO held?

CEROX IRON + IRON X 2026 — Frederick, CO is held at 3771 Monarch Street in Frederick, Colorado.

Where can I find hotels near CEROX IRON + IRON X 2026 — Frederick, CO?

RaceHotelFinder shows hotels sorted by distance from the race venue in Frederick. Use the map or list view on this page to compare options and book race weekend accommodation.