Kiplimo uses Galaxy Watch8

A marathon coach can’t stand on the roadside for every training run in Uganda, so Jacob Kiplimo has been using a watch that sends his body data back like a rolling lab report. Samsung says the Galaxy Watch8 gives him running analysis, heart-rate tracking, and recovery signals while he prepares for the 2026 London Marathon. (news.samsung.com) The basic idea is simple: distance running is controlled stress. You push the body hard enough to get faster, then back off before the same stress turns into fatigue, injury, or a flat race day. (news.samsung.com) Heart rate is one of the easiest ways to see that stress. It works like an engine gauge: if the pace stays the same but the heart has to beat harder, the body is usually telling you the effort is getting more expensive. (samsungmobilepress.com) Training load is the longer view. Instead of one run, it adds up repeated hard sessions over days and weeks, so an athlete can tell whether he is building fitness or just stacking exhaustion. (news.samsung.com) Kiplimo told Samsung that his coach does not live in Uganda, and that turns the watch into a remote assistant. The Running Analysis feature in Samsung Health sends reports on his form, including pace, heart rate, and asymmetry, so his coach can react without standing next to the track. (news.samsung.com) Asymmetry is a small but useful signal because it shows whether the left and right sides of a runner’s stride are doing the same job. If one side starts carrying more of the load, that can point to fatigue, compensation, or a form problem before it becomes obvious. (samsungmobilepress.com) This is not Samsung picking a random athlete for a wellness ad. World Athletics says Kiplimo ran 57:20 at the Lisbon Half Marathon on March 8, 2026, taking 10 seconds off the previous world record in the event. (worldathletics.org) He is also not a one-race specialist. World Athletics lists the Ugandan runner, born on November 14, 2000, as the world’s number one men’s road runner, with a marathon best of 2:02:23 and major medals on the track, cross-country, and roads. (worldathletics.org) Samsung’s pitch is that the same kind of wrist data used by an elite runner is now packaged in a consumer watch. On its United States product page, Samsung says the Galaxy Watch8 is built around health readings, longer battery life, and new fitness tracking features rather than just notifications on your wrist. (samsung.com) Kiplimo’s version of that pitch is more practical than futuristic. He told Samsung he would not have broken the world record without hard work, strict routine, and knowing when to rest, and the watch’s job is to make those rest-and-push decisions less like guessing. (news.samsung.com)