Press & Media
Rayofi in the Media
Rayofi is built by an athlete, for athletes. Founder and age-group triathlete Johnny Ottema engineers every product to solve a real training problem — and the endurance community has taken note. Here is where Rayofi has been featured.

220 TriathlonFeatured Story
From athlete to innovator: the triathlete creating products to improve swimming and strength training
“Every Rayofi product starts with a practical challenge and is developed from an athlete's perspective.”
220 Triathlon — one of the world's leading triathlon titles — profiled Rayofi founder Johnny Ottema on how his own training frustrations led him to engineer the SwimComm underwater audio system and the Go-Tone Portable Gym Machine: listening to music and live coaching cues several metres underwater, and fitting serious strength training into a travel-heavy schedule.
Read the full feature on 220 Triathlon →The products in the story