Willesden CC Reliability Rides, Sunday February 19, 2017

The Rides

Last of the multi-club Chiltern Classic Series rides, the Willesden CC Reliability Rides offer  some of the best cycling in the Chilterns.

What is a Reliability Ride?

Reliability rides provide late winter (Jan-Mar) training rides where the object is to provide base fitness in preparation for the more demanding race training that will follow when the weather improves. In today’s world of sportives they are enjoyed by more than just competitive cyclists. Time goals are set for the rides that entrants aim to better. The rides are not races, you are riding on the road

There are two distances:

  • A 50km run, with 550 meters climbing. Setting off at 09:45, target time 2 hours 30 minutes which is 20 kph (12 mph)
  • A 100km ride with 1200 meters climbing. Setting off at 09:30 there are three targets
    • Average speed 30kph (18 mph) in 3 hours 30 minutes
    • Average speed 23kph (14 mph) in 4 hours 30 minutes
    • Average speed 19kph (12 mph) in 5 hours 30 minutes

Choose your ride on the day.

Both routes take in sections in the lanes. At this time of year many of these surfaces are in poor condition; potholes, road debris, rotting leaves and standing water. Mudguards and 25mm tyres are recommended rather than racing bikes with skinny tyres. To help with navigation the routes will be marked with arrows only at turning points. Beware that members of the public may remove them!

There are no organised refreshments or sag wagons en-route. You must be self-sufficient.


Online entry in advance: £8 for either distance

Entry on the day: £10 for either distance

Free refreshments

Enter online

Entries: first come, first served: 200 max. Entry is via PayPal. You can check out as a guest if you don’t have a PayPal account.

Under 16s can only ride with a parent or guardian, 16 and 17 year olds can ride the event unaccompanied. In both cases a Parental Consent Form must be filled in and brought to the event.

GPX files and route sheets

50KM Routesheet: PDF format    50KM Routesheet: Excel format   50KM GPX

100KM Routesheet: PDF format  100KM Routesheet: Excel format  100KM GPX

If a standard GPX won’t work for you, use these links:




Ian Oliver,
68 St Dunstans Avenue
London W3 6QJ

Contact: WillesdenReliability@Hotmail.com

Ride HQ

Chalfont St Peter Community Centre
Gravel Hill,
Chalfont St. Peter,
Bucks SL9 9QX

Please don’t use the centre’s parking: that will be used by other events during the day. There is free parking on Sundays at Church Lane car park, off Church Lane, SL9 9RS. See the map. Take a path at the end of Cordon’s Close to reach the HQ.


The Routes

The 50K ride


The 100K ride

Enter online

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