Max Keith

The 100k is a different animal. This guide covers the full specific training block for a 100k ultramarathon — intensity control, Mountain Index, power hiking, night running, crew strategy, and race day execution. Written by Vert.run coach Max Keith.
We’re really serious about asking yourself these two things, because it’s actually pretty common for ultrarunners to feel obligated to try to tackle this distance before they’re ready. And while on one hand it can be good to have some “motivators” while training for or racing a 100 miler, the reality is that if you undertake this huge goal for the wrong reasons, it’s going to be much harder to actually achieve.

Most trail running shoe guides want to sell you something. This one starts with the truth: you probably don’t need trail shoes yet. Here’s how to know when you do, what to look for, and how to spend your money wisely when you’re ready.

Planning your 2026 season is not about cramming in more races. It is about choosing the right goals, giving each race a purpose, and building a plan that fits your real life. In this guide, Vert.run coaches share how to avoid common mistakes and design a season you can actually enjoy and sustain.