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 woman is swimming in the sea wearing a wetsuit and zone3 neoprene gloves and orange polarised goggles

open water swim

October 1, 2025

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.

beginners open water swim openwaterswim

September 26, 2025

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.

a man is swimming in a pool and is doing front crawl using zone3 hand paddles

September 25, 2025

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.

triathlon

September 17, 2025

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.

a woman is swimming in a pool doing front crawl stroke, camera is underwater perspective from side with lane ropes in shot

August 28, 2025

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.

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

August 27, 2025

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.

a group of women are in a line facing the camera all wearing their swimrun kit having completed a race

August 22, 2025

How I Overcame My Fear of the Sea to Cross the Swimrun Finish Line in Dorset

Overcoming fear of the sea, training in Dorset, and racing Studland Swimrun — here’s my Swimrun story with beginner tips and gear insights.”

a girl is running down the finish line of the T100

August 13, 2025

Inside T100 London with Women In Tri

T100 London came alive with the spirit of Women in Tri, creating an unforgettable celebration of support, inclusion, and women’s triathlon.

a group of people are swimming in the open water event, with a buoy in the water to turn around

beginners openwaterswim triathlon

August 8, 2025

How to Train for Triathlon Open Water Swims in UK Lakes and Seas

Triathlon and Open water swimming are having a big moment in UK. With huge events like Ironman Leeds, the London T100, the Great North Swim and Swim Serpentine drawing record...