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.