MADRID, April 9 (Reuters) - Lowly Racing Santander gave Barcelona a fright on Sunday before the Primera Liga leaders came back to draw 2-2 and restore their 11-point lead at the top of the table.
Henrik Larsson put Barca in front after 18 minutes but Racing struck back almost immediately with two goals in four minutes, from Antonito and Oscar Serrano, to turn the game on its head.
Samuel Eto'o levelled the scores after 33 minutes and although Barca dominated thereafter they appeared content to secure the point.
The Champions League semi-finalists have 70 points with six games remaining.
Valencia, who beat Celta Vigo 1-0 on Saturday, are level on 59 points with Real Madrid, but second on head-to-head results.
Real slipped to third after being held 1-1 at home by relegation-threatened Real Sociedad on Saturday, while Osasuna's 2-1 win at Alaves earlier on Sunday put them a point back in fourth place.
The top two finishers in the table go directly into the Champions League next season, while third and fourth have to enter through the qualifiers.
Pierre Webo pounced on a loose ball to open the scoring for Osasuna after 13 minutes, and Savo Milosevic rose to head Ludovic Delporte's free kick into the net 10 minutes after the break.
Alaves's John Aloisi missed a second-half penalty, after Osasuna's Miguel Flano was sent off for handball, before Rodolfo Bodipo headed a late consolation goal for the home side.
Espanyol prepared for Wednesday's King's Cup final against Real Zaragoza with a 1-1 home draw with Atletico Madrid after Walter Pandiani scored a late equaliser.
Zaragoza were held 1-1 away by UEFA Cup semi-finalists Sevilla with Enzo Maresca snatching a last minute equaliser for the Andalucians.