Born on the water. Built from real experience since 2008. Shaped by speed, progression and real testing. Racing DNA. Performance is the baseline. Born on the Water.
At F4, everything starts on the water. Founded in 2008 by friends Al Mirel and Chris Radkowski, the brand grew from a shared obsession with speed and progression. What began in garages in Silicon Valley quickly turned into a constant pursuit of better equipment, built from real experience. When hydrofoiling began to redefine what was possible around 2013, we didn’t just follow — we leaned in. Test
Keep on flying Alexander Pepelasis! 🚀🤙🏽
F4 Gear: GP + Mesina board
Video by .xray🙌🏽
Alexander Pepelasis🔥🔥
New setup. Same goal — more speed. 🚀
Something's coming... 🤙🏽 🔥
📷 .lattanzi
Pushing the pace 🔥 Alexander Pepelasis & 💪🏽
Chris Radkowski explains the key improvements in the new F4 MYA V4 wing. 🤙🏽
F4 Foils Emona Parawing Tuttle board beach takeover🤙🏽
Sean Herbert Locked in 🔥
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22/06/2026
2026 WingFoil Racing World Cup – Switzerland
A strong week of racing from the F4 riders in Silvaplana 🇨🇭
Mixed wind conditions throughout the week made for constantly changing racing dynamics.
Sean Herbert finished 6th overall after a tough physical week, staying in the fight in a strong fleet.
Kai Mirel finished 1st in the Silver Fleet, closing the week with a dominant final day after narrowly missing Gold Fleet qualification.
In the women’s fleet, Klara Chalupníková took 4th, building confidence through the event and stepping up with a strong semifinal.
Emma Webb made her World Cup debut and adapted quickly, showing clean racing from the first day.
Proud of you all — charging hard all week. Let’s keep it going.🤙🏼
Photo credits: WingFoil Racing | Robert Hajduk
21/06/2026
Strong racing from Sean Herbert at the WingFoil World Cup in Silvaplana 🇨🇭
Into Gold Fleet and sitting P5 overall after a strong series of races.
Final days ahead — let’s go Sean! 👊🏽
Photo credits WingFoil Racing I Robert Hajduk
21/06/2026
Day 4 – Silvaplana 🇨🇭
A tough day at the WingFoil Racing World Cup.
Sean Herbert stayed in the mix through a challenging day and heads into the Medal Series in 6th overall after the opening series.
Kai Mirel found his rhythm again as the day went on, putting together a strong set of races to finish top of the Silver Fleet.
Final day. Everything on the line. 🔥
With you guys🤙🏽
Photo credits WingFoil Racing I Robert Hajduk