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The Marine Prop Riders club was established in 1951 to promote Inboard Hydroplane Racing in the Detroit area.

Our racers range in age from their teens to 70-some, and represent at least seven classes of racing from the 1.0 Litre class to the thundering supercharged big-block powered Grand Prix hydros, as well as the Unlimited Hydroplanes that race for the APBA Gold Cup on the Detroit River each summer. We also have members in the Vintage class who run exhibition laps with the raceboats of years gone by.

We set World Records!

MPR members are involved in presenting a number of races in the region, many are drivers and others participate as crew, scorers, referees, rescue personnel and event volunteers. You're welcome to join us.

MPR Membership form for 2020
MPR By-Laws - MPR Awards Policy

2019 Winners and Awards
November 13, 2019

Congratulations to our 2019 Winners!

Overall High Points – Tim Collins
1 Litre – Tim Collins
2.5 Stock – Christina Wilson
2.5 Mod – Dillon Goodell
5 LitreDillon Goodell
National Modified – BJ Maduri
Grand National Hydroplane
– Fred Sherer and Phil Mitchell
Grand Prix – (not awarded in 2019)

Prop Rider of the Year – Christina Wilson
Rookie of the Year – Geoff Scott
Hard Luck Award – Jim Sechler
Doc Terry Award – Kathy Maraldo
Jim and Elsie Edwards Memorial Vintage Team Award – John Bridge
Grant Ward Unsung Hero Award – Dave Noble
Hard Charger Award – Dillon Goodell

MPR member Andrew Tate - 2016 H1 Rookie award
January 15, 2017

Andrew Tate was awarded the 2016 H1 Unlimited Rookie trophy.
Watch his first win in Seattle 2016, the race begins 5 minutes in:

Maraldo / King win the 2016 APBA Summer Nationals!
July 23, 2016

This race was something to see... Andrew Tate way out in front but breaks down just short of the finish line, UGH! After that what could be better than Mario Maraldo (owner) and Bobby King (driver) taking the win in Baby Doll III !