Where was the highest speed achieved by a cyclist?

Answer 1

There are plenty of different "highest speeds" recorded, so your question cant be answered unless you specify which kind of cycling you're thinking of:

- normal looking bicycle, unassisted, on the flat

- mostly normal looking bicycle, downhill

- special build, drafting behind a motor vehicle

- special build, streamlined, only human powered

- over a short distance - a sprint, or a longer run

Answer 2

Depends on what you think of as a bicycle, and how it's allowed to be ridden. Fastest on something standard-looking on flat ground is about 60 km/h. Fastest unassisted on a faired recumbent is 70 MPH. Then there are downhill records, people drafting behind screening vehicles ASO