---
title: "Leo Bøe Climbs a Monstrous 420-Foot 5.15a"
url: "https://climbingbrowser.com/news/1274"
date: "2026-07-18"
source: "8a.nu"
---

# Leo Bøe Climbs a Monstrous 420-Foot 5.15a

- **Source:** 8a.nu
- **Original story:** https://www.8a.nu/news/laura-rogora-does-megageremia-9a-and-onsights-8b-jduee

## Summary

Leo Bøe has completed an extraordinary ascent of a 420-foot 5.15a route in Norway, utilizing a unique technique involving cams, nuts, and three rope changes. This climb not only sets a new standard for long climbs but also showcases the innovative approaches climbers are taking to tackle difficult routes.


---

Source: [ClimbingBrowser](https://climbingbrowser.com) — free evidence-based climbing training intelligence. Personal AI coaching on WhatsApp: [ClimbClaw](https://climbingbrowser.com/coach).