Insights by Xmiles

The Windermere Marathon is not your typical road marathon. With rolling hills, sustained climbs, and some of the most beautiful scenery the UK has to offer, this is a race built around experience rather than chasing a personal best. An...

Fuelling for the 13 Valleys Ultra is about more than just carbs per hour. This is an event that combines long distance, big elevation, technical terrain, night running and unpredictable Lake District weather and for 2026, XMiles are the Sports...

For 2026, XMiles are the Sports Nutrition Retail Partner of The Great North Swim at Windermere, one of the UK’s most iconic open water swimming events. With distances ranging from a 250m splash to a demanding 10km endurance challenge, it...

Performing well in hot conditions is one of the biggest challenges endurance athletes face. To better understand how athletes can prepare for and manage heat stress, FLYCARB partnered with CORE to explore whether sodium bicarbonate supplementation can improve performance in...

A pioneering study1 has shown that New Zealand blackcurrant extract, CurraNZ®, supercharges the “petrol tank”, by increasing muscle fuel supplies, potentially offering everyday athletes a significant advantage when it matters most. In practical terms, taking two capsules (600mg) of CurraNZ...

A new exploratory human trial has found that New Zealand blackcurrant extract (CurraNZ™) can significantly improve high‑intensity intermittent running in athletes whose muscles are rich in endurance‑type (Type I) fibres - offering powerful new evidence that the proprietary berry extract...