Mo Farah faces a baptism of fire for his debut marathon in the UK's capital this weekend, GMS takes a look at his main rivals determined to finish in front of the double Olympic champion.
World record runners, Olympic champions and course record holders will all be on the start line next to Mo Farah with their eyes on the prize to prevent the home favourite winning the event.
With such a strong field Mo Farah is sure to be in for a mighty challenge to hit the tape first but who exactly will be rubbing shoulders with the best of British this Sunday?
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