Hamlin tops the speed charts in Martinsville Cup practice

In fact, the top three speeds all came from drivers in Group A with Hamlin leading the way with an average lap speed of 93.928 mph.Corey Lajoie ended up second-fastest (93.747 mph) and playoff contender William Byron was third (93.696 mph).Hamlin’s Joe Gibbs Racing teammate, Martin Truex Jr., who also needs a good run Sunday to advance to the Championship was fastest in Group B at 92.973 …Keep reading