Inside Zone3

Inside Zone3 explores the world around swim, triathlon and open water — from the athletes and environments that inspire us, to the thinking behind the products we create. Considered, practical and shaped by experience, it’s a space for stories that reflect how we approach performance, progression and life in the water.

a group of people are in the sea for a cold water swim and festive swim, wearing festive outfits
open water swim
Cold Water Swimming This Christmas and New Year
Discover the joy of cold water swimming this festive season. Find UK Christmas swims, safety tips, kit advice, and start your winter swim journey with confidence.
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a man is swimming in the sea doing frontcrawl wearing the zone3 vanquish x wetsuit, yellow swim cap and zone3 volare goggles
Top Triathlon & Swim Kit Loved by Our Ambassadors
Discover the best triathlon & swim gear as reviewed by our ambassadors and pro athletes. Wetsuits, swim accessories & goggles for beginners, pros & first-time racers.
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a woman is swimming in a pool, wearing Zone3 swimwear, goggles and swimcap. the photo is taken from below the swimmer in the water
The Best Gifts for Triathletes and Swimmers
Discover the best gifts for triathletes and swimmers - race day kit, safety gear, and accessories for all levels, budgets, and swim styles.
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zone3 floating coffee boat in the water at marbella 70.3 world championships
Marbella 70.3 World Champs - the Zone3 Way: Community, Competition, Coffee
Zone3 took over a swim start session and floating espresso bar at Marbella 70.3 World Champs, with Pro Athletes and Triathlon community.
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marta sanchez in running into the water for a ironman swim start wearing her zone3 wetsuit
Road to Kona - Marta Sanchez prepares for the Ironman World Championship on the Big Island
Pro triathlete Marta Sánchez shares her journey to the 2025 IRONMAN World Championship in Kona—training, mindset, and racing the Big Island for the first time.
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a woman is swimming in the sea wearing a wetsuit and zone3 neoprene gloves and orange polarised goggles
open water swim
Extend Your Open Water Season: Cold Weather Swim Kit
Extend your season with cold water open water swimming. Discover thermal wetsuits, Yulex, TI+ kit, and layering tips to stay warm and swim longer.
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the swim serpentine sign at the event
beginners open water swim openwaterswim
Swim Serpentine 2025
Zone3 were proud partners of Swim Serpentine 2025, which brought thousands to Hyde Park for a day of open water swimming and personal goals.
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a man is swimming in a pool and is doing front crawl using zone3 hand paddles
Build Strength, Refine Technique: Guide to Swimming with Hand Paddles
Discover how to use swim hand paddles to build strength, improve technique, and enhance water feel. Includes drills, tips, and comparison between Zone3 paddles.
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a man is swimming in the pool wearing buoyancy shorts the photo is taken from under the water with the person swimming above
beginner triathlon
Improve Your Triathlon Swim Technique Using Buoyancy Shorts
Discover how buoyancy shorts can improve your swim technique, boost confidence, and transform your triathlon training.
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a flag with the Ironman Triathlon logo and words world championship on it, against a backdrop of ocean
triathlon
Ten Years, One Target: The Journey to Achieving My Ironman World Championship Dream
How to qualify for the Ironman World Championship: a journey built on consistent training, setbacks, race strategy, resilience, and unwavering self-belief.
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a woman is swimming in a pool doing front crawl stroke, camera is underwater perspective from side with lane ropes in shot
Back to the Pool: What to Pack and How to Structure Off-Season Swims
Discover smart tips, drills, and gear essentials to structure your off-season swims, boost technique, and stay race-ready in the pool.
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a man and a woman are facing the camera, both stood next to the start line the swim start of a triathlon wearing their wetsuits and brigh colpured swim caps
beginners triathlon
Strength Training for Triathletes and Swimmers - Build Power and Prevent Injuries
Discover how strength training for triathletes boosts performance, prevents injury and improves swim, bike, and run efficiency with simple, proven exercises.
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