Marathon world record holder Paula Radcliffe talks about the female sports starts who were her inspiration.
1984 Olympic champion Joan Benoit, four-time London marathon winner Ingrid Kristiansen and runner-up in 1984 Greta Waitz are the "pioneers" heralded by Radcliffe.
Radcliffe will compete in this year's London Marathon, nine years after her last appearance and 12 years on from her world record run.
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