Hairpin: Mountain Roads

A driving log for people who go to the mountains for the corners. Hairpin records your rides by car and by motorcycle, and measures them by what actually matters on a mountain pass: hairpins, corner radius, elevation gain. Not speed. HOW IT WORKS Hit Start before you set off, pick your vehicle, and go. The app follows the route, counts hairpin points as you drive, and draws the track on the map. At the end you get the map, the numbers, and a speed graph laid out over the distance you covered — so a coffee stop doesn't squash it into a corner. ON A MOTORCYCLE With the phone in its mount, Hairpin measures how far you leaned. No extra sensor: the lean angle is already inside the lateral force, and at the end of the ride you get your maximum lean next to the hairpin count. In a car, peak lateral G takes its place. PASSES GET STAMPED Twenty-two Alpine passes, from the Cuvignone to the…