In the running world, a fastest known time (FKT) is the ultimate achievement. Setting even one FKT is a remarkable feat. But Merrell is after a next-level claim to fame. By partnering with athletes around the world and tapping into new design innovations, the brand is on a mission to make the MTL Skyfire 2 the running shoe with the most FKTs. It’s a serious challenge; some FKTs depend on the smallest logistical and technical details—down to the weight on the runner’s feet. We tapped professional trail runner, FKT chaser, and Merrell athlete Rachel Tomajczyk and Merrell product designer Drew Engel to learn more about setting FKTs and the shoe designed to get it done.
Outside: What kind of preparation goes into setting an FKT?
Rachel: A lot of research and planning go into prepping for an FKT. Fastestknowntime.com has a map with all the FKT routes around the world. You can see existing FKTs, distance, elevation, and even download the GPX. I usually plug the GPX into Strava and create a route for myself so I can analyze it. That way I can see where the climbs and descents are and know the turns before my…
