In just a few years, Harlem Kitesurfing has grown from an ambitious challenger into a trailblazing force within the sport.
Beneath the Surface is the official podcast from Harlem Kitesurfing, hosted by Lewis Crathern. Through honest conversations with the founders, designers, riders and innovators behind the brand, we uncover the thinking, bold decisions and product breakthroughs that are positioning Harlem at the forefront of the sport and driving the next chapter of kitesurfing.
https://www.harlemkitesurfing.com
IG: https://www.instagram.com/harlemkitesurfing
Renato Casati is the father and coach behind two of the biggest names in kiteboarding, Lorenzo Casati and Leonardo Casati.
With both brothers now World Champions, Renato has a unique view of what it takes to reach the top of the sport. We talk about what it is like raising two competitive athletes, why family values matter and how he reshaped his life to be the most dedicated father possible.
Our conversation turns to the much-talked-about in heat communication Renato has with both sons during competition before Renato shares his perspective on joining Harlem Kitesurfing, the role of the Peak kite in the boys' progression, and the reality of travelling the world as a family.
15 Sept 2026
Andrea Zust becomes 3X World Champion
Andrea Zust has done it again. In Sylt, Germany, the Swiss rider successfully defended her Hydrofoil World Championship title, making it three consecutive World Championships.
But it’s never been straightforward. Just three years ago in the hydrofoil big air discipline, women were still competing directly against the men. Andrea talks about her journey, what it means to be part of the amazing Harlem team, and the reality of balancing professional kitesurfing with her other life as a full-time ER doctor working shifts.
And then, to make things even more interesting, we bring in her boyfriend and coach, Peer Schnyder, who is also part of the Harlem international team. The three of us have a lot of fun discussing what it’s like to have your partner as your coach and teammate, the challenges, the pressure, and the positives of being a professional couple both on and off the water.
#ChangeTheTide #HarlemKitesurfing
27 Aug 2026
Harlem's Game-changing Thrive V2 and Launch V2
Ralf Groesel and Aaron Hadlow join us to discuss the game-changing new Thrive V2 kite and Launch V2 Kiteboard.
We go beneath the surface of what has changed, why it has changed, and how those changes translate onto the water. Ralf takes us through the design and development of the Thrive V2, while Aaron shares his experience testing and overcoming the challenges of improving the already successful Thrive V1.
We talk vertical lift, hang time, control, versatility and the updated 8-point bridle, before looking at the Launch V2 and the changes that give it more grip and stability while maintaining its smooth, comfortable ride.
Two new products, two years in the making, the thinking behind them, and what riders can expect on the water.
13 Aug 2026
Victor Looijestijn - Harlem Team Manager
Victor Looijestijn has been part of the Harlem Kitesurfing story since the very beginning and has worked in almost every department. From his early days as one of the brand's original team riders to becoming Harlem's Team Manager, Victor has been involved in everything from team development and community building to product development, design, and shaping the direction of the brand.
Based at Harlem HQ, Victor shares the story behind Harlem's growth, his own personal journey, the philosophy driving one of kitesurfing's most progressive brands, and, of course, what makes Victor, Victor.
28 Jul 2026
Sarah Sadek - "Fear is a Switch"
Sarah Sadek is Harlem's highest-ranked female team rider and one of the world's top five Big Air athletes. From her home in Egypt to competing on the biggest stages in the sport, Sarah discusses how she harnesses her fear control switch, the mindset behind her success, and her approach to competition at the highest level.
Growing up in Dahab, Sarah explains how the destination shaped her journey, why Harlem has always felt like a natural fit, and what continues to drive her to push the limits of Big Air.
16 Jul 2026
Martin Rahnel - Estonian National Team Rider
Martin Rahnel is already making his mark on the world of kiteboarding. An Estonian national team rider for Harlem Kitesurfing, youth sailing world champion and multiple national champion, Martin has already competed at some of the sport's biggest events, including Lords of Tram and Full Power Tarifa.
In this episode, Martin joins us to discuss his competitive goals and aspirations, the story behind Nordic Kite Fest and it’s bold ambitions, his role working alongside Harlem Estonia dealer Arno, and his passion for inspiring the next generation into the sport.
And as a bonus, we catch up with Arno live from the beach at Nordic Kite Fest to get his perspective as a national Harlem dealer.
00:45 – Estonia + Nordic Kite Festival
09:05 – Youth Sailing World Champion
12:10 – NKF Big Air Competition
17:00 – Arno Raadom / Harlem Estonia
22:50 - Martin and Harlem
24:38 - Goals, dreams and hobbies
28:44 - Advice for Youth
https://harlemkitesurfing.com/
https://nordickitefest.eu/en-gb
https://kiteloop.ee
#ChangeTheTide
30 Jun 2026
Leonardo Casati - 2026 Big Air World Champion
At just 17 years old, Leonardo Casati has reached the pinnacle of Big Air kitesurfing, securing the 2026 GKA Big Air World Championship after a commanding performance at the final stop in Mykonos.
Fresh from the biggest win of his career, Leo joins us to explain how it feels to be a world champion, what makes the Casati family such a force in kiteboarding, how Harlem Kitesurfing has supported his progression and the goals he's already setting for the future…
01:00 – Casati : World Champion
12:46 – Leo & Harlem
18:30 – What’s next?
24:44 – For those that dream
https://harlemkitesurfing.com/
#ChangeTheTide
11 Jun 2026
Baptiste Bourdoulous - Harlem International Team Rider
Baptiste Bourdoulous has carved out a unique career in kiteboarding through his distinctive riding style, entrepreneurial spirit, and dedication to growing the sport in Greece. As the driving force behind the upcoming GKA Big Air Kite World Tour Finals in Mykonos, Baptiste is helping bring one of the sport’s biggest events to one of its most iconic destinations.
We explore his connection to Mykonos, the influences that shaped his signature style, the challenges and opportunities of organising a world-class event, and his vision for the future of kiteboarding in Greece.
01:00 – GKA Big Air Kite World Cup Greece
11:30 – Kite Mykonos / Baptiste Style
19:03 – Harlem
24:55 – Behind the Rider
https://harlemkitesurfing.com/
#ChangeTheTide
28 May 2026
Behind the Thrive LiteX & Rise board
Harlem Kitesurfing’s product design team, Ralf Groesel and Aaron Hadlow, return to Beneath the Surface to break down the latest additions to the Harlem lineup - the Thrive LiteX kite and the all-new Rise board.
We explore how Harlem is pushing ultra-low-end performance to the next level, the design philosophy behind both products, the challenges faced during development, and how these innovations ultimately provide more time on the water.
From materials and construction to real-world testing, this episode gives you an inside look at what it really takes to create gear designed to move the boundaries of light wind kitesurfing.
https://harlemkitesurfing.com/products/thrive-litex (https://harlemkitesurfing.com/products/thrive-litex)
https://harlemkitesurfing.com/products/rise (https://harlemkitesurfing.com/products/rise)
https://harlemkitesurfing.com/ (https://harlemkitesurfing.com/)
#ChangeTheTide
18 May 2026
Stijn Mul - Harlem International Team Rider
Stijn Mul is one of the rising stars of Big Air kiteboarding and a key rider on Harlem’s international pro team. From becoming Dutch Champion to landing podiums at some of the biggest events in the world, Stijn has built a reputation for powerful riding and total commitment to progression.
We discuss his journey through competitive kitesurfing, the mindset needed to perform at the highest level, why he joined Harlem Kitesurfing, his partnerships with WindGames and SpaceX, and what drives him to keep pushing the limits of the sport.
01:00 – Who is Stino?
10:00 – The Harlem Chapter
16:45 – Performance, Fear and Big Moments
30:00 – SpaceX + WindGames
39:37 – Community Questions
44:00 – Rapid Fire
45:12 – Beneath the Surface Question
https://harlemkitesurfing.com/
#ChangeTheTide
30 Apr 2026
Behind the Flow with Ralf Groesel & Aaron Hadlow
Harlem Kitesurfing’s product design team, Ralf Groesel and Aaron Hadlow, take us inside the making of the new Harlem Flow - A high-performance wave and freeride kite built to push limits across disciplines. We break down the full journey from concept to release, where this kite sits in the lineup, the design challenges they faced, and why you should go with the Flow.
01:00 - 36:27 : Ralf Groesel
36:35 - 57:21 : Aaron Hadlow
https://harlemkitesurfing.com/products/harlem-flow (https://harlemkitesurfing.com/products/harlem-flow)
https://harlemkitesurfing.com/ (https://harlemkitesurfing.com/)
#ChangeTheTide
9 Apr 2026
Lana Herman - Harlem International Team Rider
Featuring Lana Herman from Slovenia who rides for Harlem on the International team.
Renowned for her powerful riding Lana is fast becoming a household name in Big air Kiteboarding most recently achieving yet another podium on the big stage at the GKA Lords of Tram event in France.
We talk about her outlook on life, competition riding, family, her home in Slovenia and what it takes to be a professional Kitesurfer.
01:05 – LOTR / Competition Riding
09:25 – Injuries and what it takes to be a professional Kitesurfer
17:30 – Home, Family and Slovenia
22:04 – What’s Next for Lana
26:05 – Questions from the Pro Team
28:30 – Rapid Fire
29:18 – Beneath the Surface Question
https://harlemkitesurfing.com/
#ChangeTheTide
19 Mar 2026
Aaron Hadlow - Harlem Product Manager
Episode 2 welcomes Aaron Hadlow, one of the pioneers of Kitesurfing, multiple world champion and now key figure at Harlem Kitesurfing. We break down his role inside Harlem, what drew him to the brand in the first place, and where he sees kitesurfing heading next. He also drops a few hints about what’s coming next with Harlem…
00:55 – Your role at Harlem
16:50 – What’s next at Harlem?
30:30 – Where is Kitesurfing going?
40:00 – Community questions
43:40 – Rapid Fire
46:10 – Beneath the Surface Question
https://harlemkitesurfing.com/
#ChangeTheTide
2 Mar 2026
Alex Morgenstern Founder & CEO of Harlem
On today’s episode, we’re joined by the man behind it all - Alex Morgenstern, CEO and founder of Harlem Kitesurfing.
We go back to the start - the vision, the risks, the challenges and explore the journey that’s shaped Harlem into a driving force in the progression of kiteboarding.
00:50 - The Beginning
21:19 - Why Harlem?
27:04 - The Harlem Way
42:08 - Performance Products
49:25 - Leadership & Pressure
56:35 - The Industry, the bigger picture
01:06:25 - Rapid Fire Questions + BTS question
https://harlemkitesurfing.com/
#ChangeTheTide
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Apple Podcasts (US)
5.0 / 5
1 ratings
Spotify
5.0 / 5
33 ratings
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