Many racing fans honored IndyCar driver Dan Wheldon the day after the two-time Indy 500 champ was killed in a 15-car wreck at Las Vegas Indy 300.

Kelley Bennett (left center) and Deana Klatcs (right center) look over items with other fans who came to pay tribute to Dan Wheldon.

Next to Indianapolis 500 legends Emerson Fittipaldi (left) and Al Unser Jr., the likeness of Dan Wheldon's face is on the Borg-Warner Trophy in the museum of the Indianapolis Motor Speedway. Wheldon was a two-time Indy 500 champion.

Racing fans mourn the loss of Dan Wheldon at the entrance to Indianapolis Motor Speedway.

A memorial sign is displayed at Las Vegas Motor Speedway, the site of the fatal crash.

One fan left a compassionate note for Dan Wheldon's family.

Some fans left their tickets from the May 2011 Indy 500 race, which Dan Wheldon won in a surprising finish.

A flag is lowered to half staff at the administration building at the Indianapolis Motor Speedway.

A fan honored Dan Wheldon with a bottle of milk, what Indy 500 winners traditionally drink after their victory.

Fans paid tribute to the former champion with flowers and letters.

Deanna Klotzche (left) and Kelley Bennett (right) comfort Deana Klatcs after workers finished installing a banner at Indianapolis Motor Speedway main gate.

Helen McDonald (right) and Karen Edney hug as they visit a memorial at Indianapolis Motor Speedway in honor of Dan Wheldon. Wheldon, of Great Britain, won the Indy 500 this year.

A candle burns in front of the main gate at Indianapolis Motor Speedway in honor of Dan Wheldon.