The double Olympic gold medalist will have his hands full against a loaded field of superstars.
Track specialists Molly Huddle and Sally Kipyego will make their half-marathon debuts on the women's side.
The annual race through the British capital will be Farah's first time racing the 26.2-mile distance
The Kenyan tandem has been making many public appearances in the wake of their victory on Sunday.
The 32-year-old Kenyan put the race away over the final 5 miles to win in 2:08:24.
The reigning New York City Marathon champion isn't phased by the pressure surrounding him.
The race is chock full of former champions, Olympic champions and course record holders.
The 35-year-old suffered a broken toe during a training run over the summer.
The fastest marathoner of all time is eyeing the 10K world record in Ottawa.
The top-5 men all broke 60 minutes.