Byline: By Peter Sharkey
By some considerable distance, the weekend's biggest betting event is the Open at Royal Birkdale.
Five years ago, punters who failed to place their wager prior to Thursday's squally start would have been unable to have a bet, but the internet's speed and ubiquity means that inrunning, ie 'live', betting is now available to everyone as the tournament progresses to tomorrow's denouement.
Traditionalists may prefer Coral's winning margin market - the firm offers 6/1 against the eventual champion securing victory by five or more strokes - or perhaps Stan James' prices for the winner's score on the 72nd hole; the bookie chalks 2/1 against a bogey and offers a par at 8/13.
However, in-running markets provide a fascinating snapshot of bookies' reaction to punters' thinking with prices in a constant state of flux as a visit to the Betrescue website will show.
For example, Blue Square rate the chances of the aggregate winning score being 280 or above at 9/4 and should weather conditions deteriorate even more, as expected, punters can expect those odds to shorten.
Significantly, markets can be browsed while watching the action on television; given a succession of exciting Open finishes, in-running betting is ideal for those who fancy a player to come up on the rails late tomorrow afternoon.
With the leading contenders locked together on 48 points at the top of the leader-board in the drivers championship, tomorrow's German Grand Prix could be hugely significant for the rest of the Formula One motor racing season.
Britain's Lewis Hamilton and Finland's Kimi Raikkonen are inseparable with several bookmakers in the Hockenheim race betting, although Betdaq make the Ferrari driver their marginal 7/4 favourite, while the young Briton is available at a high of 2/1 (Partybets) and Raikkonen's Scuderia team mate Felipe Massa's …