London Marathon

Women’s field includes three other world record holders

Four-time Olympic champion expects 2023 to be the final year of his glittering career

Running legend says he’s covering more miles now than 20 years ago

Victory sees the 25-year-old set a new personal best as she added the London title to her win in the Chicago

Campbell collapses at the 22.5-mile mark of race

Thanks to screen with virtual reality avatar placed in front of him he will feel like he is there

Report also claims British runner Mo Farah will release blood test data .