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 | Colin Duffy, 21 years old |
 Man  United States | |
 Born on december 10th 2003 | |
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| > Hardest bouldering sends (font 8c & +) | ||||
| Dates | Grades | Route | Rock climbing area | Country |
| feb 28th 2023 | V16 (8c+) | Bookkeeping | Clear Creek Canyon (Nomad Cave) | United States |
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