Chapter 4 · Route Analytics
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Key Finding

The confidence cliff starts at 7a

Flash completion rate by French sport grade — 28,400 logged ascents across 6 European crag regions, 2020–2024

100% 75% 50% 25% 0% Flash Rate confidence cliff 94% 5c 87% 6a 76% 6b 61% 6c 38% 7a 19% 7b 8% 7c -38% French Sport Grade
This is the Climbing Topo Guide design system, applied by Curio Design — a design-style library for AI agents. Full Climbing Topo Guide guide → designbycurio.com/learn/climbing-topo-route-guide