400m sprints- think I nearly died , but I managed about 8! I am currently marathon training for my marathon in April 🏃♀️ ▪︎ ▪︎ SPRINTING naturally builds up a runner's endurance because it trains the body to utilize more energy faster ▪︎ ▪︎ #marathontraininginprogress#marathontraining#trainwell#trainhard#running#run#runnersworld#runnersofinstagram#fun#sprint#cold#muddy (at Old Reigatian Rugby Club) https://www.instagram.com/p/B8OpfrEHjgf/?igshid=1dpaah8cvowru

















