There is a pretty full calendar of races through the year and there's usually someone involved from the West Highland Wheelers.

A good list of events is maintained by Nevis Cycles bike shop in Fort William.

Jason MacIntyre Memorial 10 mile Time Trial
10 Under The Ben
3Gs (three glens)
Relentless 24
Fort to Fort (Fort Augustus to Fort William, sometimes the other way round!)
Christmas Handicap Cross Country