Get ready for a functional fitness challenge built for all abilities.
Cerox is back! This time you can choose between Cerox or Cerox Iron.
You’ll take on 8 fitness zones designed to test your endurance, strength, and grit. Choose your level of challenge:
Cerox: The event will feature 8 fitness zones plus running.
Cerox Iron: The same zones as the classic Cerox event, but without the running.
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 Individual
12 PM: Cerox Individual
1 PM: Iron Teams
2 PM: Cerox Teams
Get your tickets now and be part of the action on February 28th!
Cerox Workout:
400M Run
Zone 1: 400M Row Erg
400M Run
Zone 2: 30 Deadlifts - 155/105
400M Run
Zone 3: 400M Ski Erg
400M Run
Zone 4: 20 Sandbag Over 4' Bar - 100/70
400M Run
Zone 5: 75M Walking Lunges - RAM 55/33
400M Run
Zone 6: 200M Farmers Carry - 2x 60's/ 40's
400M Run
Zone 7: 30 Cal. Echo Bike
400M Run
Zone 8: 30 Burpees to Plate
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
Feb 28, 2026
Distance — Cerox Iron Individual
Type — Others
11:00
$40.00
Feb 28, 2026
Distance — Cerox Individual
Type — Others
12:00
$45.00
Feb 28, 2026
Distance — Cerox Iron Teams of 2
Type — Others
13:00
$35.00
Feb 28, 2026
Distance — Cerox Teams of 2
Type — Others
14:00
$40.00
These values represent the 3-year monthly averages for February in Frederick.
Learn more about the host city, Frederick.
Frederick is a charming city of approximately 80,000 people (2020) in Maryland. It is a major antique center with many shops, eateries, galleries and antique dealers.
Read more launchRead what other athletes have to say about their experience at the CEROX + IRON.
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