FORT WORTH, Texas — Rain forced NASCAR to postpone its scheduled Sprint Cup and Nationwide doubleheader at Texas Motor Speedway until today.

The Sprint Cup race was called yesterday about 75 minutes after its scheduled start because of persistent drizzle and an uncertain forecast the rest of the day. The race was rescheduled for 6 a.m. today.

Wet weather Saturday forced the postponement of the Nationwide race then. It had been rescheduled for last night after the Cup race. It will now be run after the Cup race today at 11 a.m. on ESPN2.

About 2 1/2 inches of rain fell at the track Saturday and yesterday. The forecast today calls for cloudy skies with only a minimal chance of rain.

FORMULA ONE

BUTTON REIGNS

World champion Jenson Button beat teammate Lewis Hamilton to give McLaren a 1-2 finish at Formula One's Chinese Grand Prix in Shanghai.

In yesterday's chaotic race, where changing weather conditions forced most drivers to pit at least four times, the McLarens finished ahead of Mercedes' Nico Rosberg in third place and Ferrari's Fernando Alonso in fourth.

ELSEWHERE

Indy Racing League: Ryan Hunter-Reay cruised to his second career Indy Racing League title at the Grand Prix of Long Beach yesterday at Long Beach, Calif. Justin Wilson finished second, despite a collision with Alex Lloyd on Lap 53.

NHRA: John Force raced to his third victory of the season and record 129th overall NHRA win, beating Tony Pendragon yesterday in the Summitracing.com Spring Nationals at Las Vegas.