Why Heat Slows You Down Racing in hot conditions forces your body to do two jobs simultaneously: fuel your muscles and cool your core. The result is earlier fatigue, elevated heart rate at the same pace, and a higher risk of heat illness. Core temperature above 40°C impairs decision-making and motor control — which is…
Race Overview IRONMAN 70.3 Weymouth takes place on 20 September 2026 and attracts around 2,800 competitors to the stunning Dorset coastline — the same venue that hosted open water swimming at the 2012 London Olympics. Here is everything you need to know about the swim, bike and run course to plan your training and race…
You've trained in the pool for months. Your stroke is smooth, your bilateral breathing is consistent, and your CSS pace is on point. Then race day arrives and the open water is choppy — you swallow a mouthful on the first stroke and your whole race unravels. Choppy water is one of the biggest challenges…
The swim exit is one of the most overlooked skills in triathlon. In the excitement and exhaustion of completing the swim, most age-groupers stumble out of the water and waste precious seconds before reaching T1. A few focused practice sessions and some simple technique changes can save you significant time at every race. The Dolphin…
The difference between a great long session and a terrible one often comes down to one thing: fuelling. Get it right and you'll finish strong. Get it wrong and you'll bonk at kilometre 80, spend the next day exhausted, and wonder why your performance is plateauing. Here's exactly what you need to eat and drink…
Why Pacing is the Most Important Skill in Triathlon More triathlons are ruined by poor pacing than any other single factor. Going out too hard in the swim, spending too much on the bike, and then suffering through a walk-run run leg is a rite of passage for first-timers — but it does not have…
Why Heart Rate Zones Matter in Triathlon Training by heart rate zones is one of the most powerful tools available to triathletes. Instead of simply going as hard as possible every session, zones allow you to target specific physiological adaptations — building aerobic base, improving lactate threshold or developing VO2 max — without overtraining. Understanding…
A duathlon — run, bike, run — is one of the most accessible multisport events you can enter. With no swimming required, it’s a natural stepping stone for runners and cyclists who want to try multisport racing without the open water nerves. The UK duathlon season typically kicks off in spring, with events like the…
IRONMAN has released its updated 2026 Global Competition Rules, introducing some of the most significant changes in years. Whether you’re racing your first 70.3 or chasing a Kona slot, these rules affect how you train, what you wear, and how you behave on course. Here’s a full breakdown of what’s changed and what it means…
One of the hardest decisions any triathlete faces is whether to train through discomfort or step back and rest. Push too hard and you risk turning a minor niggle into a serious injury. Rest too readily and you lose valuable fitness. This guide gives you a clear framework for making smarter decisions when your body…
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