| Grimpeurs | Nationalité | Nb de voies |
| Enrique Gallardo | 2 | |
| Pau Galofré | 2 | |
| Matteo Gambarro | 5 | |
| David Gambus | 3 | |
| Bruno Garcia | 1 | |
| Hernan Garcia | 2 | |
| Janja Garnbret | 2 | |
| 44 | ||
| John Gaskins | 2 | |
| Philipp Gassner | 3 | |
| Edwin Gaufrès | 1 | |
| Yannis Gautier | 1 | |
| Romaric Geffroy | 1 | |
| 2 | ||
| Sasha Gerzha | 1 | |
| 4 | ||
| 44 | ||
| Alberto Gines Lopez | 4 | |
| 1 | ||
| 2 | ||
| Julius Golob | 1 | |
| Gabriele Gorobey | 2 | |
| Xavi Gonzalez Martorell | 3 | |
| Alberto Gotta | 1 | |
| Ralf Grabowski | 2 | |
| 24 | ||
| Erik Grandelius | 1 | |
| Cesar Grosso | 1 | |
| Jonathan Guadalcazar | 1 | |
| Benjamin Guigonnet | 1 | |
| Johann Guillaume | 1 | |
| Victor Guillermin | 3 | |
| Arthur Guinet | 10 | |
| 1 | ||
| Anthony Gullsten | 3 | |
| Louis Gundolf | 1 | |
| Michael Gunsilius | 1 |