Handicaps are assigned based on riders best time on the North Holmwood course G10/42 in the last three years i.e. 2015,2016,2017.
If no time for North Holmwood - best time on a similar 10 mile TT course 2015-2017.
If neither of above we use the CR group the rider usually rides with:
17mph = 7.30
18 mph = 6.30
19 mph = 5.30
20 mph = 4.30
TG = 3.30
Maximum handicap is 8.00 in all circumstances.