London Marathon 2026 Training | Long Run Distance Explained (BBC)How far should your longest training run actually be in the build-up to the London Marathon? Most runners get this wrong — and it costs them in the final 6 miles.Performance Physique Head Coach Arj Thiruchelvam joined BBC London's Shay Kaur-Grewal to kick off the 2026 London Marathon Training Series on every week, giving evidence-based answers to the questions every marathon runner is asking right now.In this episode:→ The maximum long run distance for most marathon runners→ What to eat for breakfast on race day→ Important gear checks before the big day→ What's coming up over the next monthThis is Part 1 of a weekly BBC London series running up to race day on 26 April 2026.---WORK WITH USGet a personalised London Marathon training plan: https://performancephysique.co.uk/running-coach/Enquire about coaching: www.performancephysique.co.ukFOLLOW PERFORMANCE PHYSIQUEInstagram: instagram.com/performance_physique---#LondonMarathon #LondonMarathon2026 #MarathonTraining #RunningCoach #LongRun #MarathonTips #BBCLondon #RunningAdvice #MarathonPrep #26point2