The new criteria made by the sports governing body, the IAAF, states that only times from all-female competitions will be acknowledged as records.
Performances in mixed conditions will be referred to as "world-best" times.
This means Radcliffe's 2003 London time of two hours 15 minutes 25 seconds is no longer a women's world record.
Radcliffe, whose time of 2:17:42 in London is now the world record time, told Runner's World: "I think it is a decision that is going to be hard to fully enforce. Look at how many national and area records are set in mixed races.
