| From | Netherlands 🇳🇱 |
| Gender | Male |
| Climbing | |
| Hardest Boulder (Worked) | 8C+ |
| Hardest Boulder (Flash) | 8A+ |
In July 2026, doubts over Boes' ascents emerged, specifically of Deep Fake (8C+). It transpired that the only uncut footage online of any hard ascent was a single 8B. Boes has denied the allegations.
| From | Netherlands 🇳🇱 |
| Gender | Male |
| Climbing | |
| Hardest Boulder (Worked) | 8C+ |
| Hardest Boulder (Flash) | 8A+ |
In July 2026, doubts over Boes' ascents emerged, specifically of Deep Fake (8C+). It transpired that the only uncut footage online of any hard ascent was a single 8B. Boes has denied the allegations.