From the first-ever sub-two hour marathon to a proposal at the 25-mile mark, this year’s London Marathon has been hailed as the greatest day in the event’s history by its organisers. If you joined the ranks of runners alongside Cynthia Erivo, Joe Wicks and Daddy Pig at the weekend, we’ve rounded up the best freebies you can still claim after completing the London Marathon, from pizzas to burgers and more. Food and rest isn’t just a reward for a job well done – it’s also essential for your recovery, says our senior fitness writer Harry Bullmore . “Fuel is vital – prioritising carbohydrates and protein in the days after the event gives your body the nutrients it needs to repair and replenish. “Your body and nervous system will both be pretty beaten up after the monumental effort of a marathon, so my advice is to avoid diving into any intense exercise in the immediate aftermath of your 26.2 miles.…