The first named crew is on the Bucks Station
318) Exeter───────┐
│ Exeter
319) Abingdon─────┼──────────────────┐
│ 4:12 2 1/2 lengths│
320) Upper Thames─┘ │ Exeter
├──────────────────
321) Wallingford──┐ │ 4:24 2 3/4 lengths
│ Wallingford │
322) Maidenhead───┼──────────────────┘
│ 4:22 1 length
323) Abingdon─────┘