Birarelli was born at Senigallia. He debuted in the Italian top championship in 1998 for Pallavolo Falconara. He remained there until 2003, when he was diagnosed an arm ischemia which forced him away from the field for two years.
He returned to play volleyball in 2005, first at Pineto, then for Verona and, from 2007, for Trentino Volley, with which he won an Italian national title in 2008. In the same year he debuted for Italy's national team. In 2009, he won the CEV Champions League with Trentino Volley, a feat he repeated the following year. He achieved bronze medal at the 2012 Summer Olympics.
In 2015, he left Trentino Volley after eight seasons and went to another Italian club Sir Safety Perugia.[1]
He was a member of the Italy at the 2016 Summer Olympics and won silver medal after lost finale against Brazil. Birarelli received individual award for the Best Middle Blocker.[2]
After retirement from the sports, he turned into volleyball agent to seek talent young players.[3]
2008/2009 - with Itas Diates Trentino
2011/2012 - with Itas Diates Trentino
2016/2017 - with Sir Sicoma Colussi Perugia
Italian Cup Serie A, with Itas Diates Trentino
