Hi,
I have entered this. It is a relatively short (43m )but hilly (3000ft total) and scenic route with views out to Islay, Jura and Gigha.
John the organiser has asked me to publicise it within the club. The start is about a 2 hr 15 min drive from Johnstone.
https://www.britishcycling.org.uk/events/details/256985/Kilberry-Loop-Sportive
Alan