| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 3/28/2023 | Delaware International Speedway - Delmar, DE OPEN PRACTICE ALL CARS WELCOME Sportsmans, Super Sports, Dirt Late Models, Vintage Modifieds, Super Truck, Dirt Big Block Modifieds, DIRTcar Stock Car, RUSH Late Models | Results | | Jeff Marker (Sportsmans) | - | - | - | - |
|
| 3/31/2023 | Delaware International Speedway - Delmar, DE JAKE MARINE MEMORIAL SEASON OPENER Sportsmans, Super Sports, Vintage Full Body Stock Cars, Vintage Modifieds, Super Truck, Dirt Big Block Modifieds, DIRTcar Stock Car | Results | | Jeff Marker (Sportsmans) | 8th | - | 9th | - |
|
| 4/7/2023 | Georgetown Speedway - Georgetown, DE USAC EC at Georgetown 360 Sprints - Non-Winged: USAC East Coast Sprint Cars Stock Cars, Sportsmans, Vintage Modifieds, Hornets, Super Truck, Dirt Big Block Modifieds | Results | | Jeff Marker (Sportsmans) | 9th | - | 7th | 20th |
|
| 4/12/2023 | Delaware International Speedway - Delmar, DE "Battle of the Bay" - Night 1 RUSH Late Models: RUSH Late Model Series Super Sports, Super Truck, Dirt Big Block Modifieds, DIRTcar Stock Car | Results | | Jeff Marker (Dirt Big Block Modifieds) | 9th | - | - | 22nd |
|
| 5/12/2023 | Georgetown Speedway - Georgetown, DE Mid-Atlantic Sprint Cars Plus $3,000 to win Modifieds 305 Sprints - Winged, Stock Cars, Sportsmans, Vintage Modifieds, Hornets, Super Truck, Dirt Big Block Modifieds | Results | | Jeff Marker (Sportsmans) | 7th | - | 11th | - |
|
| 5/17/2023 | Delaware International Speedway - Delmar, DE STSS DIAMOND STATE 50 Dirt Big Block Modifieds: Short Track Super Series NE Sportsman Modifieds: Short Track Super Series Sportsmans Sportsmans, Super Sports, Super Truck | Results | | Jeff Marker (Sportsmans) | 10th | - | 10th | - |
|
| 6/2/2023 | Georgetown Speedway - Georgetown, DE Deron Rust Memorial Stock Cars, Sportsmans, Vintage Modifieds, Hornets, Super Truck, Dirt Big Block Modifieds, RUSH Late Models | Results | | Jeff Marker (Sportsmans) | 6th | - | 6th | 24th |
|
| 6/30/2023 | Delaware International Speedway - Delmar, DE USAC EC at Delmar 360 Sprints - Non-Winged: USAC East Coast Sprint Cars Sportsmans, Super Sports, Non-Winged Sprints, Vintage Modifieds, Super Truck, Dirt Big Block Modifieds, DIRTcar Stock Car, RUSH Late Models | Results | | Jeff Marker (Sportsmans) | 7th | - | 6th | 25th |
|
| 8/3/2023 | Georgetown Speedway - Georgetown, DE "Summer Thunder Twin 25s" Dirt Super Late Models, Sportsmans, Vintage Modifieds, Hornets, Super Truck, Dirt Big Block Modifieds, RUSH Late Models | Results | | Jeff Marker (Sportsmans) | 9th | - | - | 18th |
|
| 8/18/2023 | Georgetown Speedway - Georgetown, DE 1st Annual Delaware State Sportsmen's Association 'Tidal Wave' 305 Sprints - Winged, Stock Cars, Sportsmans, Vintage Modifieds, Hornets, Super Truck | Results | | Jeff Marker (Sportsmans) | 8th | - | 6th | 14th |
|
| 8/29/2023 | Georgetown Speedway - Georgetown, DE STSS Blast at the Beach Dirt Big Block Modifieds: Short Track Super Series NE Sportsman Modifieds: Short Track Super Series Sportsmans Sportsmans, Hornets, Super Truck | Results | | Jeff Marker (Sportsmans) | 8th | - | 7th | 20th |
|
| 10/1/2023 | Georgetown Speedway - Georgetown, DE 51st Camp Barnes Benefit Stock Car Race Dirt Super Late Models, Stock Cars, Sportsmans, Vintage Modifieds, Hornets, Super Truck, Dirt Big Block Modifieds, RUSH Late Models | Results | | Jeff Marker (Sportsmans) | 9th | - | 6th | - |
|
| 10/21/2023 | Delaware International Speedway - Delmar, DE Weekly Racing 360 Sprints - Non-Winged: USAC East Coast Sprint Cars Mod Lites: United CC Modified Series Sportsmans, Super Sports, Non-Winged Sprints, Vintage Modifieds, Super Truck, Dirt Big Block Modifieds, DIRTcar Stock Car, RUSH Late Models | Results | | Jeff Marker (Sportsmans) | 8th | - | 8th | - |
|
| 11/11/2023 | Georgetown Speedway - Georgetown, DE “12k for the 12k" Gary Simpson Memorial Stock Cars, Sportsmans, Vintage Modifieds, Hornets, Super Truck, Dirt Big Block Modifieds, RUSH Late Models | Results | | Jeff Marker (Sportsmans) | 7th | - | - | 17th |
|