Ian O’Riordan: Can the incredibly gifted Jakob Ingebrigtsen claim undisputed greatness in Tokyo?
The Norwegian 24-year-old hasn’t raced in six months but is gunning for more World Championship glory in Japan
Jakob Ingebrigtsen celebrates after winning the men's 3,000m final at the World Athletics Indoor Championships in Nanjing, China in March. Photograph: Lintao Zhang/Getty Images