Racing punter stands to win more than £500,000 from a £5 bet if Envoi Allen wins at Cheltenham.

A horse racing punter incredibly stands to win more than £500,000 if Envoi Allen delivers the goods in the Marsh Novices Chase at Cheltenham Festival on Thursday. https://www.dailymail.co.uk/sport/sportsnews/article-9372907/Racing-punter-stands-win-500-000-5-bet-Envoi-Allen-wins-Cheltenham.html?ns_mchannel=rss&ns_campaign=1490&ito=1490