The local trial for this competition to be held 17 February 2019, Sunday, 7:30am to 10 am at 100Plus Promenade at Singapore Sports Hub. This is the route map (PDF).
Start and finish at Gate 10
Start and walk towards Gate 21
U-turn at 700m mark (Gate 21)
Another u-turn at 200m mark (Gate 7)
Asian 20km Race Walking Championships 2019 page