What links Jakob Ingebrigtsen, the NAU cross country team, and Sebastian Coe? Double threshold training, which is having a moment in 2023. Note, this article is behind our SC paywall for 72 hours (until Saturday).
Olympic, World Champions set to compete for Diamond League points at the Nike Prefontaine Classic usatf.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from usatf.org Daily Mail and Mail on Sunday newspapers.