The Trailhead

Oct 15, 2026 — We just launched a new show on the UltraSignup network, and this is your first listen. The Claims Department puts fitness, health, and wellness science under the microscope. Zoë Rom co-hosts with Dr. Nick Tiller, an exercise physiologist, researcher,...

Oct 13, 2026 — Herman Pontzer is a professor of evolutionary anthropology and global health at Duke University, a leading researcher on human energy metabolism, and the author of Burn and Adaptable. In this conversation, Zoe and Brendan ask Herman whether anyone...

Sep 30, 2026 — Lee Glandorf is a writer, brand marketer, former Yale rower, seven-year Tracksmith veteran, and the creator of The Sweat Lookbook, a newsletter about sports and fashion through the lens of the female athlete. In this conversation, Zoë and Brendan...

Sep 15, 2026 — Oladimeji Ajegbile, known online as Hello Dim, went viral for filming bike rides through Edinburgh with his two-year-old son perched on the handlebars, narrating every tree and bus he sees. He's also a former architect, UX designer, startup founder,...

Sep 01, 2026 — Singer-songwriter Margaret Glaspy joins Zoë and Brendan to talk about the strange and surprisingly rich overlap between running and making art. She shares how watching her mom run planted the seed early, growing up close to the Western States course,...