Conversation so far:
What was 125cc for Marco Simoncelli?
After a successful European 125cc campaign, in August 2002, Simoncelli made his first Grand Prix appearance with Matteoni Racing, replacing Czech rider Jaroslav Huleš who stepped up t 250cc class
Did Marco Simoncelli win any races in 125cc?
In the race at Estoril, he scored his first championship points by finishing in 13th place.
What was Marco Simoncelli's best finish?
He managed to score points in six races with a best result of fourth at Valencia, the last race of the season.
Who were Marco Simoncelli's team members?
In the 2004 season, Simoncelli switched to WorldwideRace team under the name of Rauch Bravo, which also run an Aprilia bike.
Did Marco Simoncelli's team race in other events?
In the second race of the season at Jerez, Simoncelli recorded his first pole position.

Question: Which was his best finish?
Self-contained rewrite: Which was Marco Simoncelli's best finish with worldwiderace in 2005?