Durban — Today’s Comrades Marathon is a family affair for the Hollands as they mark a milestone number of runs.The running of the 97th Comrades Marathon is taking place today with an up run from Durban to Pietermaritzburg. And running his 50th race today is Barry Holland.As part of Holland’s 50th Comrades Marathon celebrations he will be joined on race day by two of his daughters, Kathryn van Dongen and Susan Pyper, his son Ross, son-in-law Owen van Dongen, nephew Brett Goodwin and his wife Debbie, who will be running her 21st Comrades.The Comrades Marathon Association has created a…