Editing Bouldering (section)

=== Notable ascents ===
{{Main|List of grade milestones in rock climbing#Boulder problems}}

Notable boulder climbs are chronicled by the climbing media to track progress in boulder climbing standards and levels of technical difficulty; in contrast, the hardest [[traditional climbing]] routes tend to be of lower technical difficulty due to the additional burden of having to place protection during the course of the climb, and due to the lack of any possibility of using natural protection on the most extreme climbs.<ref name="PMEVOL">{{cite web |last=Oviglia |first=Maurizio |date=23 December 2012 |title=The Evolution of Free Climbing |url=https://www.planetmountain.com/en/news/climbing/the-evolution-of-free-climbing.html |accessdate=4 January 2025 |website=Planet Mountain.com}}</ref>

As of November 2022, the world's hardest bouldering routes are ''[[Burden of Dreams (climb)|Burden of Dreams]]'' by [[Nalle Hukkataival]] and ''Return of the Sleepwalker'' by [[Daniel Woods]], both at proposed grades of {{Boulder grade|9A}}.<ref>{{Cite journal |last=Corrigan |first=Kevin |date=2021-04-07 |title=Daniel Woods Spent a Month Alone in the Desert To Send His First V17, He Came Back a Different Person |url=https://www.climbing.com/news/interview-daniel-woods-talks-return-of-the-sleepwalker-v17/ |journal=Climbing |language=en-US |url-access=subscription |access-date=2025-01-05}}</ref> There are a number of routes with a confirmed climbing grade of {{boulder grade|8C+}}, the first of which was ''Gioia'' by [[Christian Core]] in 2008 (and confirmed by [[Adam Ondra]] in 2011).<ref>{{cite web |date=7 December 2011 |title=Adam Ondra, the Pure Gioia Interview |url=http://www.planetmountain.com/en/news/climbing/adam-ondra-the-pure-gioia-interview.html |accessdate=4 January 2025 |website=Planet Mountain.com}}</ref> As of December 2021, female climbers [[Josune Bereziartu]], [[Ashima Shiraishi]], and [[Kaddi Lehmann]] have repeated boulder problems at the {{boulder grade|8C}} boulder grade.<ref>{{cite web |last=Walker |first=Noah |date=29 April 2021 |title=Watch Kaddi Lehmann Climb Kryptos 8C/V15 |url=https://gripped.com/indoor-climbing/watch-kaddi-lehmann-climb-kryptos-8c-v15/ |accessdate=4 January 2025 |website=Gripped.com}}</ref> On 28 July 2023, [[Katie Lamb]] became the first female climber to climb an {{boulder grade|8C+}}-rated boulder by repeating ''Box Therapy'' at [[Rocky Mountain National Park]].<ref>{{cite journal |last=Potter |first=Steven |date=5 September 2023 |title=Katie Lamb Sends "Box Therapy"—Becoming the First Woman to Climb V16 |url=https://www.climbing.com/news/katie-lamb-box-therapy-v16/ |journal=Climbing |url-access=subscription |access-date=5 January 2025}}</ref> However, after [[Brooke Raboutou]] repeated the climb In October 2023, the boulder was ultimately downgraded to {{Boulder grade|8c}}.<ref>{{Cite journal|last=Miller |first=Delaney |date=13 October 2023 |title=Brooke Raboutou Sends 'Box Therapy'—She Called it V15 |url=https://www.climbing.com/news/brooke-raboutou-sends-box-therapy-she-called-it-v15/ |access-date=5 December 2023 |journal=Climbing |url-access=subscription |language=en-US}}</ref>