The first named crew is on the Bucks Station
133) Marlow (=H)─────────┐
│ Thames (=I)
134) BTC Southampton (=J)─┐ Thames (=I) ├──────────────────────────
├──────────────────────────┘ 2:12 5 lengths
135) Thames (=I)──────────┘ 2:29 2 lengths