Social media users posted photographs of racegoers stranded near the Sepang motor racing circuit after the Bahrain Grand Prix ended yesterday. (Threads pic)

PETALING JAYA: Extraordinary congestion was reported around the Sepang motor racing circuit and roads leading to Kuala Lumpur and the airport after the Bahrain Grand Prix ended yesterday.

Posts by social media users showed that thousands of racegoers remained near the circuit and around transport hubs more than six hours after the race finished at about 6.30pm.

Some started walking to Mitsui Outlet Park and KLIA, while some motorcyclists were seen offering rides to stranded racegoers, Astro Awani reported.

The authorities were reported to be monitoring traffic flow and crowd movements around the circuit.