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BoP Lab / Drivers / Mark Defer

Mark Defer

Overall

6entries
11starts
0wins
4podiums
8top 5
P3best finish
0fastest laps
0DNFs
0poles
5seasons
2tracks
1classes
2letters

Runoffs

1entry
1starts
0wins
0podiums
0top 5
P19best finish
0fastest laps
0DNFs

Super Tour

2entries
4starts
0wins
2podiums
3top 5
P3best finish
0fastest laps
0DNFs
Event
Session

Against the front of the class, by track and class

TrackClassSessionsTypical gap to class bestClosest
Sebring International Raceway (3.74 mi)FC21+6.073s (4.72%)+1.569s (1.00%)
Indianapolis Motor Speedway (2.59 mi)FC7+7.787s (7.99%)+5.420s (5.49%)

Gap is the driver's best lap in a session against the fastest lap in their class in that same session (zero is fastest in class), shown as time lost and as a share of the lap, so conditions cancel out and tracks can be compared. Typical is the median session.

Compare with another driver

Sebring International Raceway (3.74 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrapClass trapTo class trap
Central Florida 2025Grp 6 FA FC FE2 P P2 Race 2FC08Van Diemen RF02 (2002)3/62:18.9092:10.938Robert Allaer+7.971s (6.09%)123.43/6125.1Robert Allaer-1.7 mph (-1.4%)
Central Florida 2025Grp 6 FA FC FE2 P P2 Race 1FC08Van Diemen RF02 (2002)5/62:19.9212:10.176Robert Allaer+9.745s (7.49%)122.13/6123.6Robert Allaer-1.5 mph (-1.2%)
Central Florida 2025Grp 6 FA, FC, FE2, P, P2 Qual 2FC08Van Diemen RF02 (2002)2/12:50.229Peter Vajda
Central Florida 2025Grp 6 FA, FC, FE2, P, P2 Qual 1FC08Van Diemen RF02 (2002)6/72:26.6162:09.941Robert Allaer+16.675s (12.83%)124.93/7125.7Robert Wright-0.8 mph (-0.6%)
Central Florida 2024Grp 5 FA,FC,FE2,FX,P1,P2 Race 2FC08Van Diemen RF025/62:15.1162:08.940Robert Allaer+6.176s (4.79%)126.26/6130.1Hartley MacDonald-3.8 mph (-2.9%)
Central Florida 2024Grp 5 FA,FC,FE2,FX,P1,P2 Race 1FC08Van Diemen RF023/72:15.4622:09.997Robert Allaer+5.465s (4.20%)124.05/7125.9Peter Gonzalez-1.9 mph (-1.5%)
Central Florida 2024Grp 5 FA,FC,FE2,FX,P1,P2 QualFC08Van Diemen RF024/72:15.8562:10.820Robert Allaer+5.036s (3.85%)120.86/7123.0Peter Gonzalez-2.2 mph (-1.8%)
Central Florida Region Hoosier SCCA Super Tour @ Sebring International RacewayGrp 6 FA,FC,FE2,FX,P1,P2 Race 2FC08Van Diemen RF02 (2002)6/72:12.5512:08.103Tim Minor+4.448s (3.47%)125.86/7132.5Tim Minor-6.6 mph (-5.0%)
Central Florida Region Hoosier SCCA Super Tour @ Sebring International RacewayGrp 6 FA,FC,FE2,FX,P1,P2 Race 1FC08Van Diemen RF02 (2002)3/62:15.8312:08.452Tim Minor+7.379s (5.74%)123.75/6129.6Tim Minor-5.8 mph (-4.5%)
Central Florida Region Hoosier SCCA Super Tour @ Sebring International RacewayGrp 6 FA,FC,FE2,FX,P1,P2 Qual 2FC08Van Diemen RF02 (2002)5/72:14.5692:09.191Tim Minor+5.378s (4.16%)125.45/7130.0Tim Minor-4.5 mph (-3.5%)
Central Florida Region Hoosier SCCA Super Tour @ Sebring International RacewayGrp 1 FV,FF,F500,FC Race 2FC0Van Diemen RF023/32:38.7532:37.184Jeremy Fairbairn+1.569s (1.00%)117.31/3117.3you+0.0 mph (0.0%)
Central Florida Region Hoosier SCCA Super Tour @ Sebring International RacewayGrp 1 FV,FF,F500,FC Race 1FC0Van Diemen RF024/62:13.9962:08.779Robert Allaer+5.217s (4.05%)125.84/6130.4Tim Minor-4.6 mph (-3.5%)
Central Florida Region Hoosier SCCA Super Tour @ Sebring International RacewayGrp 1 FV,FF,F500,FC Qual 2FC0Van Diemen RF025/62:14.7772:08.704Robert Allaer+6.073s (4.72%)126.23/6128.3Tim Minor-2.2 mph (-1.7%)
Central Florida Region Hoosier SCCA Super Tour @ Sebring International RacewayGrp 1 FV,FF,F500,FC Qual 1FC0Van Diemen RF025/72:15.4872:09.021Tim Minor+6.466s (5.01%)125.63/7130.2Tim Minor-4.5 mph (-3.5%)
Central Florida Region Hoosier SCCA Super Tour @ Sebring International RacewayGrp 1 FV,FF,F500,FC PracticeFC0Van Diemen RF024/92:13.3212:09.402Robert Allaer+3.919s (3.03%)126.03/9128.5Tim Minor-2.5 mph (-2.0%)
Central Florida Region Hoosier SCCA Super Tour @ Sebring International RacewayAfternoonFC0Van Diemen RF022/52:12.7922:09.668Chris Scharnow+3.124s (2.41%)131.81/5131.8you+0.0 mph (0.0%)
SIR 2021Grp 4 FA,FC,FE2,FX,P1,P2 Race 2FC0Van Diemen RF026/62:15.2132:08.015Robert Allaer+7.198s (5.62%)124.56/6131.0Robert Allaer-6.5 mph (-5.0%)
SIR 2021Grp 4 FA,FC,FE2,FX,P1,P2 Race 1FC0Van Diemen RF024/62:14.4402:07.768Robert Allaer+6.672s (5.22%)122.35/6126.6Robert Allaer-4.3 mph (-3.4%)
SIR 2021Grp 4 FA,FC,FE2,FX,P1,P2 Qual 2FC0Van Diemen RF025/82:15.9132:09.853Robert Allaer+6.060s (4.67%)124.12/8126.8Robert Allaer-2.7 mph (-2.1%)
SIR 2021Grp 4 FA,FC,FE2,FX,P1,P2 Qual 1FC0Van Diemen RF026/72:16.9892:10.520Joe Colasacco+6.469s (4.96%)123.23/7123.9Chuck Moran-0.7 mph (-0.6%)
SIR 2021Grp 4 FA,FC,FE2,FX,P1,P2 PracticeFC0Van Diemen RF024/72:17.4792:11.041Joe Colasacco+6.438s (4.91%)127.41/7127.4you+0.0 mph (0.0%)

Indianapolis Motor Speedway (2.59 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrapClass trapTo class trap
Runoffs 2021FC RaceFC0Van Diemen RF0219/311:43.2051:36.980Simon Sikes+6.225s (6.42%)135.417/31141.6Tim Minor-6.2 mph (-4.4%)
Runoffs 2021FC/FX Qual 3FC0Van Diemen RF0224/311:43.2461:36.787Trent Walko+6.459s (6.67%)136.410/31141.6Tim Minor-5.2 mph (-3.7%)
Runoffs 2021FC/FX Qual 2FC0Van Diemen RF0226/311:45.2131:37.426Simon Sikes+7.787s (7.99%)134.515/31141.6Tim Minor-7.1 mph (-5.0%)
Runoffs 2021FC/FX Qual 1FC0Van Diemen RF0226/321:45.1901:36.896Simon Sikes+8.294s (8.56%)136.47/32139.0Brian Tomasi-2.6 mph (-1.9%)
Runoffs 2021Grp 2 Run 3 F500,FC,FF,FV SunFC0Van Diemen RF0215/191:44.1491:38.729Nolan Allaer+5.420s (5.49%)137.711/19141.6Robert Armington-4.0 mph (-2.8%)
Runoffs 2021Grp 2 Run 2 F500,FC,FF,FVFC0Van Diemen RF0216/201:48.3721:37.634Simon Sikes+10.738s (11.00%)138.06/20141.3Tim Minor-3.3 mph (-2.3%)
Runoffs 2021Grp 2 Run 1 F500,FC,FF,FVFC0Van Diemen RF0212/181:53.1481:38.976Simon Sikes+14.172s (14.32%)139.62/18140.3Simon Sikes-0.7 mph (-0.5%)

Letters to Fastrack

FC Allowing FMzR into FC

#39689 from Mark Defer · No action required · Minutes (2026-02 Fastrack)

Please see the response to letter #39161 in the current Fastrack.

FC Weight Reduction Request

#30177 from Mark Defer · No action required · Minutes (2021-03 Fastrack)

Thank you for your letter. Please see the response to letter #30171 in this Fastrack’s Technical Bulletin.