8a.nu allows climbers and boulderer to save their ascents and scores them according to the type (e.g. onsight, flash or redpoint) and the grade (based on French grades).
The data from the website has been published by David Cohen via Kaggle.
The data is still in the raw format which includes for example projects or toprope ascents which are usually not considered as 'proper' ascents. Furthermore, the database includes climbers who state unrealistic low or high heights or birth years. We have cleaned this dataset and focus only on