Former Western Region set L425 (running as a two car set 51363 & 51405) emerges from Greet Tunnel on 25 July 2015 with the 1C51 08:50 Winchcombe to Cheltenham Racecourse service, during the Gloucestershire Warwickshire Railway's Diesel Gala. This early morning trip was the only occasion the DMU travelled over the southern section of the line during the three days of the gala, the rest of the time it was used between Laverton and Winchcombe..