KENNEWICK -- Here is Sunday's schedule for the Lamb Weston Columbia Cup, staged on the Columbia River.
Schedule is subject to change.
7 a.m. -- Park opens
8 a.m. -- Unlimited testing, qualifying
9 a.m. -- Unlimited light testing, qualifying
10 a.m. -- Opening ceremonies
11 a.m. -- Atomic Screenprinting unlimited lights heat 2A
11:20 a.m. -- Atomic Screenprinting unlimited lights heat 2B
11:40 a.m. -- Pemco Insurance unlimited heat 2A
12:10 p.m. -- Pemco Insurance unlimited heat 2B
12:30 p.m. -- HAPO Community Credit Union Over the River Air Show
1:30 p.m. -- Vintage hydros
1:55 p.m. -- Conover Insurance unlimited heat 3A
2:25 p.m. -- Conover Insurance unlimited heat 3B
2:50 p.m. -- Unlimited lights B-Main
3:10 p.m. -- Buffalo Brothers unlimited provisional
3:30 p.m. -- Coast Guard helicopter rescue demonstration
4 p.m. -- HAPO Community Credit Union Over the River Air Show
4:40 p.m. -- ULHRA Thunder Cup for unlimited light hydroplanes
5:05 p.m. -- Lamb Weston Columbia Cup for unlimited hydroplanes