April 2026

HEY, there is a new rating system, and I like it, so think about this for trails: International Trail Rating System More here: traileaffectpodcast – ITRS I have a small suspicion that it will go poorly in the US because, well, it’s the US, we often thumb our noses at anything International, and are stupid […]

The old jump design page on Trailism started as a rough calculator I uploaded back in 2014. It worked, but it never grew into what I actually wanted: something that treated trail features as a real physics problem instead of a back-of-the-napkin sketch. That tool finally exists, and it has its own home now: TrailACT