I cycle on a regular basis for
health or sport purposes.
I participate in road racing, triathlons and time trials.
I ride longer distances.
I often cycle in a group.
... if so, then these routes were designed with you in mind.
Mount Faber Loop (Climbing)
directions
Sembawang-Sengkang Loop
directions
Seletar Airbase Loop (Criterium)
directions