Singletrack · Episode 427 · December 31, 2025 · 1 hr 34 min

Why Trail Running Still Hasn’t Had a "Vaporfly Moment" (Geoff Burns Explains)

In this episode of the Singletrack Podcast, I chat with sport scientist and physiologist Geoff Burns to unpack one of the biggest open questions in trail running right now: why shoe technology hasn’t produced a single, decisive “Vaporfly moment” on the trails - and whether it ever will. Geoff explains why trail running is fundamentally different from road running when it comes to performance gains. While road shoes can be optimized for straight-line efficiency on uniform surfaces, trail shoe...