to be the largest ever with 16,000 runners from around Britain and more than 30 countries across the world taking part."The event also holds a longer endurance challenge, the Royal Parks Foundation Ultra, a 50K ultra marathon. The Royal Parks Foundation Half
silvers and three bronze at the London Olympics in 2012.Double gold Paralympian Hannah Cockcroft said: “Last summer proved that Yorkshire was the best county for sport in Britain and now that Yorkshire has its very own marathon, people can come and share