Colten Mertens has officially cemented his place among CrossFit’s elite. The Iowa native, known for his relentless work ethic and underdog mentality, just won the 2025 CrossFit Open, proving that grit and determination can triumph over all odds.
From training in a barn to standing atop the worldwide leaderboard, Mertens’ journey is nothing short of remarkable. His rise through the ranks has been fueled by an unconventional training style, a background in farm labor, and an unbreakable mindset.
Here’s a look at how Mertens went from a small-town athlete to one of the most dominant competitors in the sport.
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From Small-Town Farm Life to CrossFit Contender
Growing up in Kalona, Iowa, Mertens developed a strong work ethic early on. The physical demands of farm life—hauling hay, working with livestock, and long days in the fields—built a foundation of strength and endurance that would later translate into elite-level fitness.
Unlike many competitors who start in traditional gyms, Mertens’ training environment was unconventional. He turned his barn into a gym, using minimal equipment but maximum effort. His approach proved effective, as he quickly climbed the ranks in local competitions.
The Road to the CrossFit Games
Mertens made waves in the CrossFit community with his performances in online qualifiers and regional events. His breakout moment came when he secured a spot at the 2021 CrossFit Games, proving that grit and determination could rival expensive training facilities.
Standing at 5’4”, Mertens may not have the typical height advantage of other athletes, but he compensates with raw power, relentless endurance, and a fearless approach to competition. His ability to excel in high-rep, high-intensity workouts has made him a fan favorite.
Key accomplishments:
- 2021 CrossFit Games: First appearance, finishing in the top half of the field
- 2022 & 2023 Semifinals: Consistently among the top competitors
- Known for excelling in grueling endurance and strength events
What Sets Colten Mertens Apart?
While many elite CrossFit athletes have access to world-class coaching and facilities, Mertens’ journey has been self-made. His no-excuses mentality and workhorse attitude have shaped him into one of the most inspiring figures in the sport.
- Barn Gym Training: His unconventional training setup proves that success doesn’t require fancy equipment—just relentless dedication.
- Farm-Built Strength: Years of hard labor contributed to his impressive grip strength, endurance, and work capacity.
- Shorter Stature, Big Results: At 5’4”, he defies expectations by excelling in events that challenge taller athletes.
- Mental Toughness: His ability to grind through brutal workouts without breaking makes him a dangerous competitor.
The Future of Mertens in CrossFit
With multiple Games appearances under his belt, Mertens is far from done. His steady improvement each season suggests that he’s only getting better. Fans and competitors alike respect his underdog story, and his journey continues to inspire CrossFit athletes worldwide.
Whether training in his barn or standing on the Games floor, Colten Mertens embodies the heart of CrossFit—hard work, determination, and the belief that anything is possible.
