Casper Stornes
Casper's Story
Casper started triathlon at a very young age and quickly fell in love with the sport. After being selected into Norway’s national triathlon development pathway, Casper quickly made his mark in short-course racing, delivering strong results before the end of his teenage years. In 2016, at just 19 years old, he claimed a national championship title.
He secured his first major international win in April 2018, taking victory at the ITU World Triathlon Series event in Bermuda. Around this period, his focus was primarily on World Triathlon Series racing and other draft-legal formats, while also making appearances over the Ironman 70.3 distance.
He won his first 70.3 in 2021 and followed this with medals in World Cup events and the European Championships. Casper stepped up to full-distance Ironman and finished on the podium in 3rd place in Frankfurt. He then followed this up with 1st place at the Ironman World Championships in 2025, with a new course record.
Hard work beats talent when talent doesn’t work hard
Why do you enjoy competing?
I enjoy the training and to push myself to new limits in races.
Inspiration
My family and my training partners are my biggest inspiration. They support me and push me to be the best version of myself.
Greatest Challenge
One of my greatest challenges was overcoming a series of injuries and set backs that forced me to rebuild. For example when I crashed and got his by a car just before the 70.3 World Champs in New Zealand in 2025 was one of these tough moments.”
Season Goals
My goal is to continue pushing the limits of what is possible in triathlon and defending my title as Ironman World Champion.
Best Result to Date
2025 Ironman World Champion! It’s an incredible feeling to have achieved this goal
2025 – 3rd Ironman Frankfurt
2024 – 1st Ironman 70.3 Warsaw
2023 – 1st Ironman 70.3 Indian Wells La Quinta
2021 – 1st Ironman 70.3 Nice
2018 – 1st World Triathlon Series Bermuda
Race you have enjoyed the most
Ironman World Champs Nice will always stay in my memory. The moment running down the finish line was magical! Good thing I will race 70.3 World Champs in Nice this year again!
Top Tips & Advice
For any age-grouper looking to take the next step, I would say to focus on building a strong foundation in each discipline and don’t be afraid to seek out guidance from experienced athletes.
Fun Fact
I am a black belt in Karate!
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