Firms are being encouraged to enter teams for this year's Great Legal Challenge, sponsored by The Lawyer, which takes place on 10 July. The 3.5 mile road race, part of the annual 'Chase Corporate Challenge', will be held in London's Battersea Park at 6.45 pm. Last year's race was won be Norton Rose. A trophy will be awarded to the law firm with the shortest time achieved by its five fastest runners. For details call London Marathon 0171 620 4117.