The march knowed as the Riau Riau, has started at 6 o'clock in the afternoon after the municipal pipers reached the Plaza Consistorial. More than 2000 people have been involved in the event that has occured without any incident during more than hour and a half. The Mayor Yolanda Barcina, dressed in white, has joined the march in the Calle  Mayor. The rest of the municipal corporation has joined to her near San Lorenzo to attend Vespers.

This celebration, which started at 20:00 p.m. and has been extended for 45 minutes, is the first religious event of the festivals, preamble to the procession of July the 7^th.

Some pieces by Mariano Garcia, the composer of Tudela, Fernando Remacha, and a cantata by Johann Sebastian Bach have been interpreted.

After the celebration, the municipal corporation has kissed the San Fermin relic and has gone to the sacristy.