This page provide links to our analyses of competition climbing, including data science-based grades and rankings for competition boulder problems, and competition boulderers.

We have analysed the last 17 years (2008-2024) of IFSC bouldering competitions to find out which climbers are the best, and which boulder problems have been the hardest.

Ranking of competition boulderers

Ranking boulder problems

Elos and ratings

Elos and ratings are alternative representations of the ability of the climbers (and difficulty of the routes). The elo represents the ability of a climber to reach the top (and zones) of a competition boulder. This page shows how to convert from one to the other.