Some numbers to note from the GoPro Grand Prix of Sonoma, the 15th race of the 19-race IZOD IndyCar Series season:

3.32 - Average running position of Will Power during the 85 laps of racing.

5 - Consecutive top-five finishes by Dario Franchitti.

7 - Leaders during the GoPro Grand Prix of Sonoma, a race record. The previous record was five in 2005.

8 - Consecutive top-five starts by Will Power.

10 - Different winners in the 15 IZOD IndyCar Series in 2013. 

11 - Consecutive top-10 finishes for Helio Castroneves.

13 - Positions improved by Simona De Silvestro (22nd to ninth) in the race, the most gained by any driver.

27 - Laps that JR Hildebrand improved his position over the 85 laps of competition, most of any driver.

153 - Consecutive Indy car starts for Scott Dixon dating to the 2004 race in Michigan. Dixon ranks seventh on the all-time list.

211 - Consecutive Indy car starts for Tony Kanaan dating to the 2001 CART race in Portland. Kanaan tied his team owner Jimmy Vasser's record of 211 straight starts at Sonoma.

1,928 - Laps completed by Helio Castroneves. He is the only driver to complete every lap of every race.