ANSWER NEEDED QUICK!!!!!!!!!!

Which sentence is correctly punctuated with a colon?


In 2010: Shaun White placed first in key competitions USAA Grand Prix Finals, Dew Tour Skateboarding, and Winter Olympic Half-Pipe.

In 2010, Shaun White placed first in key competitions: USAA Grand Prix Finals, Dew Tour Skateboarding, and Winter Olympic Half-Pipe.

In 2010, Shaun White placed: first in key competitions USAA Grand Prix Finals, Dew Tour Skateboarding, and Winter Olympic Half-Pipe.

In 2010, Shaun White placed first in: key competitions USAA Grand Prix Finals, Dew Tour Skateboarding, and Winter Olympic Half-Pipe.