The first named crew is on the Clubhouse Station
171) Doncaster/Doncaster Schools (Wright/Exley)──────────────────────────────────────────────────┐
│ Doncaster/Doncaster Schools (Wright/Exley)
172) London (Fenton/Gill)───────────────────────┐ Boston/Hatfield (Housam/Messling) ├────────────────────────────────────────────────
├────────────────────────────────────────────────┘ 3 lengths
173) Boston/Hatfield (Housam/Messling)──────────┘ easily