Optimal Endurance Coaching

Optimal Endurance Coaching, led by Brett Halliwell, is based in Harpenden, UK, and focuses on bringing endurance and triathlon enthusiasts together in a supportive environment. They specialise in creating bespoke training plans tailored to each athlete’s needs, using data-driven insights.

Brett takes pride in building a strong community of athletes, coaches, and experts who share knowledge, ask questions, and exchange experiences. The goal is to help everyone reach their full potential with high-quality, factual information.

At Optimal Endurance Coaching, the focus is on personalised 1-2-1 coaching. They avoid complicated labels; instead, Brett and his team provide straightforward, honest coaching tailored to each athlete's unique goals. They love working with those who have intriguing, challenging targets and are committed to helping everyone exceed their personal bests.

Numerous athletes have praised Brett and his team, commending their expertise and support in achieving their goals. Whether it’s a channel swim or a personal best in a long-distance triathlon, Optimal Endurance Coaching has a proven track record of success.

In partnership with trusted brands like Precision Fuel & Hydration, Brett offers team-specific discounts and consultation services to review training plans and equipment, maximising your performance.

The coaching team at Optimal Endurance Coaching includes experienced athletes like Ross Harper and Jack Rees, who are dedicated to bringing out the best in each client. They provide regular feedback, strength and conditioning guidance, unlimited contact, scheduled phone calls, and access to a supportive community.

For a data-driven, bespoke training experience with a strong community focus, contact Brett at Optimal Endurance Coaching today and start surpassing your goals.