Spencer Diercks

Next Event

Schedule TBA

  • Events57
  • Wins13
  • Top 540
  • Top 1044
7/23/2025 - Dubuque Fairgrounds Speedway

7/23/2025 - Dubuque Fairgrounds Speedway

Dubuque, IA

FAIR ADMISSION PRICES
Grandstand included w/ Fair Admission
Ages 12 & over $12
Kids 11 & under FREE
All admission prices include sales tax

PIT PASSES
Adults 14 & Over $30
Ages 7 thru 13 $15
6 & Under FREE
All admission prices include sales tax

Entry Fees
Late Model $100
Modified $50
Hobby Stoc $25
4 Cylinders $20

Order of Events Subject to Change
Hot Laps 6:30pm
4 Cylinders
Crown Vic
PRO Late Models
IMCA Modifieds
IMCA Hobby Stocks

Heats
4 Cylinders
Crown Vic
PRO Late Models
IMCA Modifieds
IMCA Hobby Stocks

B Features if needed

Features
4 Cylinders
Crown Vic
PRO Late Models
IMCA Modifieds
IMCA Hobby Stocks

RACEceiver (454.000) & Westhold Transponders required.
Thank you for supporting Dubuque Fairgrounds Speedway.

All Times, Events, Schedules, Prices, Order, and Promotions Subject to Change.

Classes

  • 4-Cylinders - Callahan Construction11 entries
  • IMCA Hobby Stocks - Link Hydraulic23 entries
  • Crown Vic - Hefel Portable Services14 entries
  • Pro Late Model23 entries
    • Karl Chevrolet Pro Late Model Tour
  • A Modifieds
  • IMCA Modifieds - Merfeld Bros Automotive23 entries

Track Contact

News

Full Event Information on MyRacePass

Competitor Overview


Spencer Diercks

Spencer Diercks

Davenport, IA

IMCA Modifieds - Merfeld Bros Automotive Start Finish +/-
A Feature 1 8 5 3
Heat 3 - Top 4 Redraw 5 3 2

IMCA Modifieds - Merfeld Bros Automotive

20 Laps

A Feature 1

Finish Start # Competitor Hometown +/-
1 1 B1 Jeff Larson Jeff Larson Freeport, IL Freeport, IL -
2 3 6 Jed Freiburger Jed Freiburger Dubuque, IA Dubuque, IA 1
3 2 12TC Jacob Hobscheidt Jacob Hobscheidt Plattsmouth, NE Plattsmouth, NE -1
4 11 26J Joel Rust Joel Rust Grundy Center, IA Grundy Center, IA 7
5 8 29 Spencer Diercks Spencer Diercks Davenport, IA Davenport, IA 3
6 6 10 Jeremy Mills Jeremy Mills Clear Lake, IA Clear Lake, IA -
7 15 50 Denny Eckrich Denny Eckrich Tiffin, IA Tiffin, IA 8
8 20 75F James Fletcher James Fletcher Beaver Dam, WI Beaver Dam, WI 12
9 14 3 Jason Schueller Jason Schueller Dubuque, IA Dubuque, IA 5
10 18 31M Travis Mosley Travis Mosley Batesville, AR Batesville, AR 8
11 19 27M Mark Schulte Mark Schulte Delhi, IA Delhi, IA 8
12 5 33J Joe Huenefeld Joe Huenefeld Freeport, IL Freeport, IL -7
13 10 5R Bill Roberts Jr Bill Roberts Jr Burlington, IA Burlington, IA -3
14 17 7D Dustin Wilwert Dustin Wilwert North Buena Vista, IA North Buena Vista, IA 3
15 21 A10 Grant Manthe Grant Manthe Freeport, IL Freeport, IL 6
16 22 41P Keith Pittman Keith Pittman Waterloo, IA Waterloo, IA 6
17 7 07X Troy Morris III Troy Morris III Bakersfield, CA Bakersfield, CA -10
18 13 1 Ryan DeShaw Ryan DeShaw Dyersville, IA Dyersville, IA -5
19 12 12LF Jonathan Mawhinney Jonathan Mawhinney Las Vegas, NV Las Vegas, NV -7
20 16 2G Matt Gansen Matt Gansen Zwingle, IA Zwingle, IA -4
21 4 11X Tom Berry Jr. Tom Berry Jr. Marshalltown, IA Marshalltown, IA -17
22 23 88 Mark Scholtes Mark Scholtes Dubuque, IA Dubuque, IA 1
23 9 21M Tyler Madigan Tyler Madigan Dubuque, IA Dubuque, IA -14
8 Laps

Heat 1 - Top 4 Redraw

Finish Start # Competitor Hometown +/-
1 1 21M Tyler Madigan Tyler Madigan Dubuque, IA Dubuque, IA -
2 2 33J Joe Huenefeld Joe Huenefeld Freeport, IL Freeport, IL -
3 3 12LF Jonathan Mawhinney Jonathan Mawhinney Las Vegas, NV Las Vegas, NV -
4 5 10 Jeremy Mills Jeremy Mills Clear Lake, IA Clear Lake, IA 1
5 4 1 Ryan DeShaw Ryan DeShaw Dyersville, IA Dyersville, IA -1
6 7 2G Matt Gansen Matt Gansen Zwingle, IA Zwingle, IA 1
7 8 27M Mark Schulte Mark Schulte Delhi, IA Delhi, IA 1
8 6 41P Keith Pittman Keith Pittman Waterloo, IA Waterloo, IA -2
All transfer
8 Laps

Heat 2 - Top 4 Redraw

Finish Start # Competitor Hometown +/-
1 2 11X Tom Berry Jr. Tom Berry Jr. Marshalltown, IA Marshalltown, IA 1
2 7 6 Jed Freiburger Jed Freiburger Dubuque, IA Dubuque, IA 5
3 3 12TC Jacob Hobscheidt Jacob Hobscheidt Plattsmouth, NE Plattsmouth, NE -
4 6 07X Troy Morris III Troy Morris III Bakersfield, CA Bakersfield, CA 2
5 4 3 Jason Schueller Jason Schueller Dubuque, IA Dubuque, IA -1
6 5 7D Dustin Wilwert Dustin Wilwert North Buena Vista, IA North Buena Vista, IA -1
7 1 75F James Fletcher James Fletcher Beaver Dam, WI Beaver Dam, WI -6
8 8 88 Mark Scholtes Mark Scholtes Dubuque, IA Dubuque, IA -
All transfer
8 Laps

Heat 3 - Top 4 Redraw

Finish Start # Competitor Hometown +/-
1 2 B1 Jeff Larson Jeff Larson Freeport, IL Freeport, IL 1
2 1 5R Bill Roberts Jr Bill Roberts Jr Burlington, IA Burlington, IA -1
3 5 29 Spencer Diercks Spencer Diercks Davenport, IA Davenport, IA 2
4 7 26J Joel Rust Joel Rust Grundy Center, IA Grundy Center, IA 3
5 3 50 Denny Eckrich Denny Eckrich Tiffin, IA Tiffin, IA -2
6 4 31M Travis Mosley Travis Mosley Batesville, AR Batesville, AR -2
7 6 A10 Grant Manthe Grant Manthe Freeport, IL Freeport, IL -1
All transfer
Diercks Quad Cities LTD USA
JVC
Mohr Enterprises
Rockstar Energy
Maloney Pub
TG Refurbishers
Hoosier Racing Tires
Kam Koncepts  Wraps
Floyd’s Waste Systems
Diamond Builders
Lindquist Ford
Rock’s Platinum Construction
Tegeler Body  Frame
Affordable Parking Lot Services
The Circle
Roehlk Concrete Contractors
Lady Di’s
Budda Transmission Sales  Service
RAGE Chassis by Precision Performance
HH Towing
American Topsoil