Looking at the start list. Rogla likely won't catch Martínez. Still due to the weather i feel that he could gain a second or two due to having a better tactics. But it won't matter anyway as Pogi will finish 1 minute ahead of everybody else.
Tony Martin managed 51.8 kmh at the 2011 Copenhagen Worlds TT on a course which took them through some similar parts of the inner city. It wasn't too technical (as evidenced by the average speed) but still had some tricky sections. I remember Cancellara crashing, for instance. The length was 46.4 km (2 laps of 23.2).
Evenepoel's avg speed was 53 kmh at the Tour of Denmark TT 2021: A 10.8 km course with three 180 degree turns and several 90 degree turns. It was another part of Copenhagen (Frederiksberg) but also flat.