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Krohn snaps O’Reilly USMTS drought in dominating fashion at 
Humboldt 
by: Jeff Nun
HUMBOLDT, Kan. -- It's been a long time coming for Jason Krohn -- 2 years, 7 
months and 6 days to be exact.
Making his first O’Reilly Auto Parts United States Modified Touring Series start 
of the season, Krohn slipped by polesitter Jason Hughes at the drop of the green 
flag in Saturday night's 40-lap main event at the Humboldt (Kan.) Speedway and 
never looked back as he captured his first O’Reilly USMTS checkered flag since 
Aug. 18, 2004. The win, worth $2,000, was the fourth overall for the driver from 
Slayton, Minn., who recorded 10 top-5 and 20 top-10 finishes without a victory 
over the course of the last two seasons.
While Krohn raced in his own zip code for most of the contest, a caution flag 
with 12 laps to go bunched up the field for a chance at the leader. Current 
national points leader and eight-time defending O’Reilly USMTS national champion 
Kelly Shryock of Fertile, Iowa, held the runner-up spot for the restart, but 
Bixby, Okla.'s Greg Skaggs snagged the spot away as the race returned to green 
flag racing. Krohn sped away from the pack uncontested while Shryock got back 
around Skaggs with three laps to go to secure his fourth second-place finish in 
five starts this season.
Krohn's advantage at the line was about 2 seconds -- a big cushion in Saturday 
night's Holley “A” Main, but a drop in the bucket compared to the 81,907,200 
seconds since his last visit to victory lane.
Despite a punctured oil pan and smoke spilling from his Modified, Skaggs nursed 
his mount home in third. Fifteenth-starting Steve Holzkamper of Gentry, Ark., 
finished fourth while 14th-starting Tommy Weder Jr. of Woodward, Okla., rounded 
out the top-5 finishers.
Rochester, Minn.'s Mike Sorensen came from 13th to take sixth. Nonetheless, the 
movers and shakers in the field were provisional starters Al Hejna of Clear 
Lake, Iowa, and Mark Dotson of Cameron, Mo. The pair finished seventh and ninth, 
respectively, after coming from 23rd and 24th on the starting grid. Johnny Bone 
Jr. of Pea Ridge, Ark., separated the two at the finish line with an 
eighth-place finish.
POST-RACE NOTES:
• Green Day: For the second time this season, the top-finishing Rookies Rockin’ 
Sports Bar Rookie of the Year contender was Scott Green of Derby, Kan. His 
10th-place finish was his third top-10 paycheck of the season and moved him up 
to sixth in the O’Reilly USMTS national standings. Jay Noteboom, who won last 
week's main event at the West Siloam (Okla.) Speedway, maintained his spot at 
the top of the rookie standings with 109 points. Cale Sponsler holds down the 
second spot with 91 markers while Green sits one point back in third.
• Reeling Rookies: It's been a tough start to the season for the last three 
Rookies Rockin’ Sports Bar Rookie of the Year recipients. Last year's top 
rookie, Jay Poidinger of Somerset, Wis., blazed his way into the main event at 
the season opener, but has not found his way into the big dance in the last four 
races. 2005 RRSBRoY Brad McEwan came into the season with a new car, new sponsor 
and high hopes. But three DNF's and two DNQ's have left the Storm Lake, Iowa, 
star staggered. And finally, while the year got off to a good start for 2004 
Rookies Rockin’ Sports Bar Rookie of the Year Zack VanderBeek of New Sharon, 
Iowa, last year's national title runner-up has missed the cut for one main event 
and missed the finish for the other in the last two shows. With the Series 
heading to familiar territory for the next five National Events, all three 
drivers are hoping to get back to more familiar form as well.
• Blues for Hughes: Jason Hughes was “one of the guys to beat” for the second 
week in a row. But, for the second week in a row, the chassis builder from 
Colcord, Okla., suffered mechanical woes and found himself in the trailer early 
in the main event. Fellow Sooner Stater Tommy Weder Jr. was the 
highest-finishing Hughes creation in fifth. Of the Oklahoma posse, 2002 O’Reilly 
NCRA Modified Series titleist Greg Skaggs of Bixby has had the hot hand. After 
missing the first two events of the season, Skaggs has recorded two top-5 
finishes in three races. He currently holds down the 10th spot in the national 
standings and ranks third in the tough Southern Region.
• Afternoon Delight: Skyrockets were in flight Saturday night, but while Kelly 
Shryock didn't get the victory, one of his customers did. Jason Krohn became the 
third different driver in the first five races to win one for “Skyrocket Nation” 
this season. Along with Krohn and Shryock, Al Hejna captured both nights of the 
season-opening doubleheader at the Junction Motor Speedway to give Skyrocket 
Chassis the early lead in the O’Reilly USMTS Builders Championship. Freshman 
fighter Razor Chassis by Clark is second while the Hughes Chassis contingent 
ranks third.
• Return to Odessa: Saturday night's race at Humboldt was supposed to be on 
Friday, but Mother Nature had other plans. The race was moved to Saturday night 
at 7:30 p.m. and was supposed to be the second half of a grueling daily double. 
Rain forced a change in plans again as the 2 p.m. show at the I-70 Speedway Dirt 
Track in Odessa, Mo., was washed out and the two-hour rush down the highway 
between shows was averted. The inaugural event at the historic I-70 Speedway has 
been rescheduled for Sunday, April 22.
• Top Dogs: Any driver ranked among the top-10 in national points is guaranteed 
$400 against winnings at each event where that driver is among the top-10 in 
national points. In a tight points race, the Top Dogs heading into Sunday's tilt 
at the Thunderhill Speedway in Mayetta, Kan., are Kelly Shryock (511 pts.), Al 
Hejna (462), Jay Noteboom (414), Zack VanderBeek (363), Cale Sponsler (350), 
Scott Green (342), Jeremy Rasmussen (316), Mark Dotson (310), Steve Holzkamper 
(263) and Greg Skaggs (260).
UP NEXT:
On Sunday, March 25, the 5th Annual Kansas Spring Fling will take place at the 
Thunderhill Speedway in Mayetta, Kan. Last year at the super-fast 4/10-mile 
high-banked clay oval, Mark Noble of Blooming Prairie, Minn., ended a two-year 
drought with a victory on the first of two days at Thunderhill. Saturday’s 
checkers waved for Clear Lake, Iowa’s Dean Mahlstedt. Other past winners at 
Thunderhill include Dustin Boney, Tommy Myer and Kelly Shryock, who won five 
straight at the facility from March 19, 2004 to March 19, 2005.
Once again, $2,000 is up for grabs for the winner of the Holley “A” Main in this 
Western Region tilt. Fresh off back-to-back season-opening wins at the Junction 
Motor Speedway in McCool Junction, Neb., March 9-10, Clear Lake, Iowa’s Al Hejna 
leads the Western Region rankings heading into Sunday’s battle.
Gates open at 1 p.m. Hot laps are slated for 3:30 and the mud starts flying at 4 
p.m. Adult tickets are $15, kids ages 6-12 are $5 and children under 6 are 
admitted FREE. The O’Reilly USMTS Modified aces will be joined by Thunderhill’s 
own highly-competitive Factory Stock and Hobby Stock classes.
The Thunderhill Speedway is located 14.6 miles north of U.S. Hwy. 24 on U.S. 
Hwy. 75 to 142nd St., then 2.2 miles west. The track’s business office can be 
reached at (785) 966-2575 and race day info is available by calling the track 
hotline at (785) 966-2844. Thunderhill Speedway is on the World Wide Web at 
www.thunderhillmayetta.com.
To learn more about the O’Reilly Auto Parts United States Modified Touring 
Series, call the headquarters office at (515) 832-7944 or visit www.USMTS.com 
online.
= = = = = = = = = = = = = = =
OFFICIAL RESULTS
O’Reilly Auto Parts United States Modified Touring Series
2nd Annual Event
Humboldt Speedway, Humboldt, Kan.
Saturday, March 24, 2007
Showing finishing position, car number, driver, hometown and starting position 
in parentheses. The top 12 drivers in Home Pride Passing Points accumulated in 
the Heats are locked into the Holley “A” Main, with the top 8 re-drawing for 
starting positions 1-8.
ISKY RACING CAMS HEAT #1 (10 laps):
1. 12 - Johnny Bone Jr. -- Pea Ridge, AR (1)
2. 1f - Jason Friesen -- Sutton, NE (2)
3. 90 - Steve Wetzstein -- W. Concord, MN (4)
4. 5 - Steve Holzkamper -- Gentry, AR (7)
5. 85d - Mark Dotson -- Cameron, MO (5)
6. 63 - Ryan Whitworth -- Humboldt, KS (3)
7. 9d - Scott Daniels -- Humboldt, KS (9)
8. 26 - Brad McEwan -- Storm Lake, IA (8)
9. 49x - Jay Poidinger -- Somerset, WI (6) DNF
HEAT #2 (10 laps):
1. 7n - Jay Noteboom -- Hinton, IA (2)
2. 37 - Jeremy Chambers -- Oswego, KS (3)
3. 68 - Dean Wille -- Warrensburg, MO (5)
4. 3d - Dan Daniels -- Humboldt, KS (7)
5. 93 - Cale Sponsler -- Grimes, IA (8)
6. 54w - Dena Wilson -- Coweta, OK (9)
7. 2k - Darrick Klima -- Belleville, KS (6)
8. 1 - Scott Mullen -- Seymour, WI (4) DNF
9. 48m - Rick Murcko -- Iola, KS (1) DNF
HEAT #3 (10 laps):
1. 33z - Zack VanderBeek -- New Sharon, IA (1)
2. 7k - Jason Krohn -- Slayton, MN (4)
3. 42 - Tom Paulson -- Kasson, MN (2)
4. 1j- Justin Boots -- Welda, KS (5)
5. 02 - Tommy Weder Jr. -- Woodward, OK (6)
6. 27 - Greg Skaggs -- Bixby, OK (8)
7. 8m - James McMillin -- Warrensburg, MO (7)
8. 11 - Brandon Morton -- Coweta, OK (9)
9. 11h - Jim Hernandez -- Topeka, KS (3) DNF
HEAT #4 (10 laps):
1. 98 - John Allen -- Chanute, KS (3)
2. B29 - Tammy Mitchell -- Pea Ridge, AR (2)
3. L99 - Loren Dauer -- Lindsborg, KS (4)
4. 19x - Curt Drake -- Moran, KS (5)
5. 27 - Clint Homan -- Bellevue, NE (6)
6. 7 - Nate Caruth -- Ames, IA (1)
7. 17 - Garry Oskerson -- Fairmont, MN (8)
8. 7d - Danny Holt -- Topeka, KS (7) DNF
HEAT #5 (10 laps):
1. 222 - Dustin Boney -- Tonganoxie, KS (4)
2. 25 - Scott Green -- Derby, KS (2)
3. 18r - Rodney Sigg -- Iola, KS (1)
4. 22 - Brian McGowen -- Wichita, KS (8)
5. 6 - Justin “Whitey” Folk -- Iola, KS (5)
6. 54 - Paul Snyder -- Wellswell, KS (6)
7. 7 - Al Hejna -- Clear Lake, IA (7)
8. 18 - Justin Boney -- Leavenworth, KS (3) DNF
HEAT #6 (10 laps):
1. 3 - Kelly Shryock -- Fertile, IA (1)
2. 19 - Mike Sorensen -- Rochester, MN (2)
3. 12 - Jason Hughes -- Colcord, OK (8)
4. 31j - Jeremy Rasmussen -- Bentonville, AR (5)
5. 71 - Mike Hoover -- Mexico, MO (4)
6. 40 - Jessy Willard -- Pleasanton, KS (7) DNF
7. 13 - Steven Shadden -- Hume, MO (3) DNF
8. 7jr - Jess Folk Jr. -- Iola, KS (6) DNF
REAL RACING WHEELS “B” MAIN #1 (12 laps, top 3 advance):
1. 02 - Tommy Weder Jr. -- Woodward, OK (5)
2. 27 - Greg Skaggs -- Bixby, OK (7)
3. 19x - Curt Drake -- Moran, KS (4)
4. 26 - Brad McEwan -- Storm Lake, IA (11)
5. L99 - Loren Dauer -- Lindsborg, KS (2)
6. 18 - Justin Boney -- Leavenworth, KS (12)
7. 7 - Al Hejna -- Clear Lake, IA (10)
8. 42 - Tom Paulson -- Kasson, MN (3)
9. 68 - Dean Wille -- Warrensburg, MO (1) DNF
10. 7 - Nate Caruth -- Ames, IA (8) DNF
11. 17 - Garry Oskerson -- Fairmont, MN (9) DNF
12. 85d - Mark Dotson -- Cameron, MO (6) DNF
13. 48m - Rick Murcko -- Iola, KS (13) DNS
REAL RACING WHEELS “B” MAIN #2 (12 laps, top 3 advance):
1. 5 - Steve Holzkamper -- Gentry, AR (2)
2. 22 - Brian McGowen -- Wichita, KS (1)
3. 31j - Jeremy Rasmussen -- Bentonville, AR (4)
4. 6 - Justin Folk -- Iola, KS (6)
5. 18r - Rodney Sigg -- Iola, KS (3)
6. 27 - Clint Homan -- Bellevue, NE (5)
7. 1 - Scott Mullen -- Seymour, WI (11)
8. 54 - Paul Snyder -- Wellswell, KS (8)
9. 11h - Jim Hernandez -- Topeka, KS (13)
10. 2k - Darrick Klima -- Belleville, KS (9) DNF
11. 40 - Jessy Willard -- Pleasanton, KS (7) DNS
12. 13 - Steven Shadden -- Hume, MO (10) DNS
13. 7jr - Jess Folk Jr. -- Iola, KS (12) DNS
REAL RACING WHEELS “B” MAIN #3 (12 laps, top 3 advance):
1. 90 - Steve Wetzstein -- W. Concord, MN (1)
2. 93 - Cale Sponsler -- Grimes, IA (4)
3. 3d - Dan Daniels -- Humboldt, KS (2)
4. 54w - Dena Wilson -- Coweta, OK (5)
5. 63 - Ryan Whitworth -- Humboldt, KS (7)
6. 8m - James McMillin -- Warrensburg, MO (9)
7. 9d - Scott Daniels -- Humboldt, KS (8)
8. 49x - Jay Poidinger -- Somerset, WI (12)
9. 71 - Mike Hoover -- Mexico, MO (6) DNF
10. 11 - Brandon Morton -- Coweta, OK (10) DNF
11. 1j - Justin Boots -- Welda, KS (3) DNF
12. 7d - Danny Holt -- Topeka, KS (11) DNF
HOLLEY “A” MAIN (40 laps):
1. 7k - Jason Krohn -- Slayton, MN (2)
2. 3 - Kelly Shryock -- Fertile, IA (6)
3. 27 - Greg Skaggs -- Bixby, OK (17)
4. 5 - Steve Holzkamper -- Gentry, AR (15)
5. 02 - Tommy Weder Jr. -- Woodward, OK (14)
6. 19 - Mike Sorensen -- Rochester, MN (13)
7. 7 - Al Hejna -- Clear Lake, IA (23)
8. 12 - Johnny Bone Jr. -- Pea Ridge, AR (5)
9. 85d - Mark Dotson -- Cameron, MO (24)
10. 25 - Scott Green -- Derby, KS (12)
11. 31j - Jeremy Rasmussen -- Bentonville, AR (21)
12. 3d - Dan Daniels -- Humboldt, KS (22)
13. 222 - Dustin Boney -- Tonganoxie, KS (3)
14. 93 - Cale Sponsler -- Grimes, IA (19)
15. 1f - Jason Friesen -- Sutton, NE (10) DNF
16. 7n - Jay Noteboom -- Hinton, IA (4) DNF
17. 22 - Brian McGowen -- Wichita, KS (18) DNF
18. 33z - Zack VanderBeek -- New Sharon, IA (7) DNF
19. 12 - Jason Hughes -- Colcord, OK (1) DNF
20. B29 - Tammy Mitchell -- Pea Ridge, AR (11) DNF
21. 37 - Jeremy Chambers -- Oswego, KS (9) DNF
22. 19x - Curt Drake -- Moran, KS (20) DNF
23. 98 - John Allen -- Chanute, KS (8) DNF
24. 90 - Steve Wetzstein -- W. Concord, MN (16) DNF
AMSOIL Lap Leaders: Krohn 1-40.
Total Laps Led: Krohn 40.
AFCO Pole Award: D. Boney.
Provisional Starters: Hejna (regional), Dotson (national).
Olympic Fire Protection Hard Charger: Hejna (started 23rd, finished 7th).
Next Race: Sunday, March 25, Thunderhill Speedway, Mayetta, Kan.
O’Reilly National Points: Shryock 511, Hejna 462, Noteboom 414, VanderBeek 363, 
Sponsler 350, Green 342, Rasmussen 316, Dotson 310, Holzkamper 263, Skaggs 260.
Southern Region Points: Shryock 318, Holzkamper 263, Skaggs 260, Hejna 252, 
Noteboom 244, Green 214, Sponsler 214, Bone 199, Weder 193, Allen 184, Rasmussen 
184.
Home Pride Passing Points (National): Shryock 33, Green 27, Mark Noble 24, 
Noteboom 22½, Hejna 18, Hughes 18.
Home Pride Passing Points (Southern Region): Hughes 18, Bone 15, Shryock 13½, 
Holzkamper 12, Green 10½, Morton 10½.
Rookies Rockin’ Sports Bar Rookie of the Year Points: Noteboom 109, Sponsler 91, 
Green 90, Rasmussen 77, Klima 48.
Builders Championship Points: Skyrocket 49, Razor 33, Hughes 33, TRE 22, Kraft 
18.
Contingency Awards:
Belleville Motorsports – not awarded.
Boyer’s Engine Development – Krohn.
GRT Race Cars – not awarded.
Hawk Performance – Bone.
Isky Racing Cams – Bone.
Kevko Oil Pans & Components – Weder, D. Boney.
KSE Racing Products – Shryock, Holzkamper.
Marsh Racing Wheels – Halfway leader if using Marsh Racing Wheels.
Nitroquest Web Solutions - Skaggs.
Quarter Master – Krohn, Dotson.
QuickTime Performance Parts – Hejna.
Real Racing Wheels – Weder, Holzkamper, Wetzstein.
= = = = = = = = = = = = = = =
USMTS TITLE SPONSOR: O’Reilly Auto Parts.
USMTS OFFICIAL SPONSORS: American Race Tires, AMSOIL, Fast Company Performance, 
Holley Performance Products, Home Pride Companies, Intercomp, KEVKO Oil Pans & 
Components, Marsh Racing Wheels, Nitroquest Web Solutions, Olympic Fire 
Protection, Real Racing Wheels, Reich Concrete, Rookies Rockin’ Sports Bar, 
UNIJIG, Yeager Machine.
USMTS CONTINGENCY SPONSORS: AFCO Racing Products, Bell Racing, Belleville 
Motorsports, Bert Transmission, Bilstein Shocks, BORCO LP, Boyer’s Engine 
Development, Day Motor Sports, Dynatech Racing Exhaust, Edelbrock, Fast Shafts, 
GRT Race Cars, Hawk Performance, Hyperco, Intensitee Custom Clothing, Isky 
Racing Cams, Kraft Kars, KSE Racing Products, Quarter Master, QuickTime 
Performance Race Parts, Racer’s Choice (RCI).
POINTS STANDINGS
After March 24, 2007 
1. Kelly Shryock .... 511
2. Al Hejna .... 462
3. Jay Noteboom .... 414
4. Zack VanderBeek .... 363
5. Cale Sponsler .... 350
More ... 
1. Jay Noteboom .... 109
2. Cale Sponsler .... 91
3. Scott Green .... 90
4. Jeremy Rasmussen .... 77
5. Darrick Klima .... 48
More ... 
1. Kelly Shryock .... 33
2. Scott Green .... 27
3. Mark Noble .... 24
4. Jay Noteboom .... 22½
5. Al Hejna .... 18
5. Jason Hughes .... 18
More ... 
1. Skyrocket .... 49
2. Razor .... 33
2. Hughes .... 33
4. TRE .... 22
5. Kraft .... 18
More ... 
1. Al Hejna .... 47
2. Jason Krohn .... 40
3. Kelly Shryock .... 39
4. Jay Noteboom .... 37
5. Greg Skaggs .... 14
More ... 
1. Kelly Shryock .... 165
2. Johnny Bone Jr. .... 55
3. Jason Hughes .... 53
4. Dustin Boney .... 51
More ...