Ordered by the number of ascents recorded.
| Climb Name | Type | Grade | # Ascents Recorded | Notes | Exclude Reason |
|---|---|---|---|---|---|
| Hurley Burley | Sport route | 8b | 2 | ||
| Hydroplaning | Sport route | 8c | 2 |
NZ's first 8c+ the way Mark climbed it, two inverted kneebar rests make it 8c. |
|
| Hydrotherapy | Deep water solo | 8a+ | 2 | ||
| Hyper Act | Boulder problem | 8B+ | 2 | ||
| Hyper Ballad | Boulder problem | 8C | 2 | ||
| Iceberg (aller-retour) | Traverse | 7c+ | 2 | ||
| Ice Burn | Trad climb | E8 | 2 | ||
| Ice King | Sport route | 8c | 2 |
Links the start of Cold Steal into Adventure Time. |
|
| Idée Fixe | Sport route | 8c | 2 | ||
| Idefix | Sport route | 8b | 2 | ||
| Identity Crisis | Boulder problem | 8A | 2 |
Incorrectly marked as Gaskins' Problem in early bouldering guides.
References[1] https://ukbouldering.com/threads/elite-ukbouldering-inventory-re-boot.20589/page-5#post-373074 |
|
| If You Keep Your Face in the Sunshine, You Will Not See the Shadow | Deep water solo | 8b | 2 | ||
| Ikar | Boulder problem | 8A+ | 2 | ||
| Ikarus | Boulder problem | 8B | 2 | ||
| Ill Behaviour | Boulder problem | 8B | 2 | ||
| Ill Gotten Gains Direct | Boulder problem | 7C+ | 2 | ||
| Il Maratoneta | Sport route | 8b+ | 2 | ||
| Il Terzo Occhio | Sport route | 9a | 2 | ||
| Il Trono | Boulder problem | 8B | 2 | ||
| Il y a Stazi | Trad climb | E8 | 2 |