Pelota is the Traditional Basque game, and is their version of Handball.
There are a number of variations including Fronton, Trinquet and Jai Alai.
Below you will find links to various competitions in the Spanish Basque Country (Euskadi), French Basque Country (Pays Basque) and Navarre.
ASPE Pelota (Spanish Basque Country):
ASPE Pelota Campeonato Manomanista Lep.M (Seasons):
Federation Francaise de Pelote Basque (French Basque Country):