JD Sports Fashion has today reported a record half-year pretax profit on demand for athletic leisure clothing and the opening of 35 new stores. 

Strong trading in the half-year helped the seller of trainers and tracksuits predict full-year profit towards the upper end of market expectations of £268-290m. 

JD Sports, which also runs fashion and outdoor retail outlets such as Scotts and Blacks, said profit before tax for the 26 weeks to July 29 rose 33% to £102.7m from £77.4m a year earlier. 

Revenue from its sports fashion business, made up of brands such as JD , Size? and Sprinter, rose more than 30% to £1.17 billion. 

It opened 12 JD stores in UK and Ireland and 23 across mainland Europe in the first half of the year. 

JD, which sells from more than 1,300 stores, has overtaken Sports Direct as the UK's leading sportswear retailer by market value. 

It opened 12 JD stores in UK and Ireland and 23 across mainland Europe in the six month period.