Hardest Sport Climbs. Here’s a list of his hardest sport climbs to date. Grad
Here’s a list of his hardest sport climbs to date. Grade: 9c (5. World's Hardest Flash - Adam Ondra Climbs 5. Climbi… From sport routes to pure alpine, the debate over the best, toughest and most extreme climbing feats never stops. 2012. 0, a relatively modest technical climb, to the "Open Book" at 5. 15c: The world’s first 5. Here's where they are and whose conquered them. 15d, and each was on a different route Gripped Published October 13, 2025 The Hardest Sport Routes in the World A list of all the sport routes 9b or harder that have currently been climbed, including details of the first ascent. 15 Sport Climbs The Czech climber has more 5.