BikeClimbs lists cycling climbs across the whole world, and there is no way I can possibly know about them all.

If a climb looks wrong, unsafe, closed, duplicated, more suitable for mountain bikes, or should not be listed, please flag it and I'll review it.

Flag Original 1965 Chalkpit Climbing Race (as marked out by ex-racer Steve Sopp, who finished in 2min 36.6 Sec, on Bates track frame, with a fixed wheel, giving a gear ratio of 48 inches) | BikeClimbs.com