Marathon training What to Track When You’re Training for an Endurance Event Track key metrics when you run, ride or race, and you’ll know where you’re going wrong or right. Here’s how the experts do it Get the Coach NewsletterSign up for workout ideas, training advice, reviews of the latest gear and more.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1What To Eat Before A Run2Baby Jogger Summit X3 Running Stroller Review3Beats Solo Buds And Beats Solo 4 Release Dates Revealed4Coros Vertix 2S Review: The Garmin Fenix Rival Gets Some Useful Upgrades5I Tried CrossFit Champ Mat Fraser’s Signature 40-Minute EMOM And It Helped Me Build Strength, Skill And Endurance In One Fell Swoop