The 2025 Columbia Cup will mark the 60th time Unlimited Hydroplanes have raced on the Columbia River.
The Tri-City Water Follies is delighted to announce that the Columbia Cup and STCU Over the River Air Show will welcome the 2.5 Litre Stock hydroplanes ("S" class) to its lineup of exciting boat racing on the Columbia River on July 25 – 27, 2025.
