Mountaineering & ClimbingThe mountains themselves — alpinism, big walls, ice and the 8,000-metre peaks, where the credentials are ascents rather than podiums.
Roller SportsEverything on wheels but the skateboard — inline speed skating, artistic roller skating, roller hockey and the revival of roller derby.
SkateboardingStreet and park, judged trick by trick — a permanent Olympic sport from LA28, governed by World Skate beside its own street culture.
Sport ClimbingBoulder, lead and speed — climbing's Olympic era under the IFSC, with Janja Garnbret the most decorated competitor the sport has known.