Mark Courts has been professionally fishing since 2000 and is a current National Walleye Tour Pro and previous Angler of the Year. In this video, Mark shares his go-to tactics for using leadcore during late summer.
A technique that works well for walleye in the summer (especially on a lake such as Mille Lacs) is trolling, particularly trolling with leadcore. During this part of the year, fish start chasing bait schools into the main basin. They are out in the open areas, surrounding the flats and are commonly suspended. One of the best ways to target these deep fish is with leadcore.
The Basics of Leadcore
The great thing about leadcore is that it allows you to get small baits down deep. When setting up leadcore, consider that for every color of lead, you get down roughly 5′ when trolling at 1.8 to 2 mph pace. Also take into consideration that 25′ of fluorocarbon with a diving bait will get you down another 10 feet or so.
Selecting Bait
When choosing bait, consider ‘matching the hatch.’ For example, there is currently a large perch hatch on Mille Lacs. Therefore choosing a perch color crankbait is a safe place to start, but don’t be afraid of using other natural color baits as well.
Selecting a Leadcore Leader
Often times braid works well when using leadcore. Mark personally prefers fireline, as it really allows him to feel the action of the bait at all times and cut through current more efficiently.
However, when it’s exceptionally clear water situations, such as Mille Lacs, he recommends that you switch to a fluorocarbon leader (~10lb test). This allows the line to be more invisible to the fish. The key is that you make sure to pay attention to water clarity as you make your decision.
Leadcore Setup Options for Clear Water
When fishing clear lakes with leadcore, another tip to consider is the depth you’ll be targeting when preparing your setup. Mark recommends the following:
1. When targeting that 15-20′ depth, use planer boards to get the line away from the boat. To do this effectively, segment the line. Take a braid backing, tie on 3 colors of lead, and then go to a fluorocarbon leader.
2. If you’re fishing deeper and don’t need boards, you can use a reel with a full spoon of lead (roughly 10 colors) and pair it with a long ~25′ fluorocarbon leader.
Next time you’re out on the water, give leadcore a try. It gives you opportunity to cover a lot of water and target those active, deep summer fish.


