Kids build cars, race them, at Park School camp in Brookline: PHOTO GALLERY

For the second year in a row, campers attending the Soap Box Derby Challenge program at Summer at Park got revved up for the annual race on Goddard Avenue.

Tests show helmets meet safety standards | NFL

The results of an independent study commissioned by league officials and the players' union show modern helmets meet all national safety standards, though it stressed no helmet can prevent concussions and more studies are necessary.

Pacquiao moves on from Mayweather, will fight Margarito Nov. 13

BOXING: Manny Pacquiao will fight Antonio Margarito on Nov. 13 for a vacant super-welterweight championship, either in Las Vegas if Margarito can get licensed or in Monterrey, Mexico, if he can't, promoter Bob Arum told Yahoo. That ends speculation of a match between Pacquiao and Floyd Mayweather Jr. for 2010.

Quick Hits / Claiming Crown races at Canterbury today

The 12th Claiming Crown will be run for the 10th time at Canterbury Park with the six thoroughbred races to be part of today's 1:30 p.m. racing card.

Indianapolis: Tony Stewart preview

KANNAPOLIS, N.C. (July 21, 2010) -- Racecar drivers collect numerous mementos during the course of their respective careers, from helmets and firesuits to chunks of asphalt and steering wheels, and when they reach the end of their careers -- rocking chairs.

Biker who died was racing, police say

It is the perfect setting for tragedy: a maze of streets on the outskirts of Rancho Cordova winding through a planned residential neighborhood that never was built.