iGaming Business – UK bookmaker Coral, a division of online and land-based betting operator Gala Coral, has agreed a five-year extension to its title sponsorship of the Welsh Grand National annual horseracing event. The race takes place every December at Chepstow Racecourse as part of its Christmas programme. Coral will continue to work with both Chepstow Racecourse and its operator, Arena Racing Company, on various activities. The latest agreement will extend Coral’s association with the Chepstow Christmas period marathon to 45 years, which it claims will make it the third longest sponsorship deal in jumps racing and the longest partnership…