TILLY Gray will kick off her British Championships campaign today as she takes to the London Aquatics Centre today in the 200m butterfly.

With the Championships doubling up as the trials for this summer’s World Championships in Russia, the Swindon-born swimmer will be hoping for a good performance.

The 23-year-old will also go in the Women’s 100m butterfly on Friday.

Jazz Carlin kicks off her championships with the 400m freestyle tomorrow.

Carlin, who is preparing for a big year as she aims for a place at the Olympic Games next year in Rio De Janeiro, will also go in the 800m freestyle on Thursday and the 200m freestyle on Saturday.