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BoP Lab / Drivers / James Dietz

James Dietz

Compare with another driver
Car
Event
Session

Against the front of the class, by track and class

TrackClassSessionsTypical gap to class bestClosest
Mid-Ohio Sports Car Course (2.40 mi)FF6+4.295s (4.62%)+3.993s (4.34%)
Road America (4.05 mi)FF10+9.844s (6.81%)+5.954s (4.09%)
Road AmericaFF1+10.227s (7.14%)+10.227s (7.14%)
Mid-Ohio Sports Car Course (2.53 mi)FF1+8.344s (8.58%)+8.344s (8.58%)
Indianapolis Motor Speedway (2.59 mi)FF10+4.975s (4.68%)+3.908s (3.74%)
Unknown track (2.59 mi)FF2+3.045s (2.84%)+3.045s (2.84%)

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.

Mid-Ohio Sports Car Course (2.40 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrapClass trapTo class trap
Great Lakes Champions 2026Grp 3 FF FV F6 Race 2FF12Van Diemen RF039/81:43.655Jonathan Kotyk
Great Lakes Champions 2026Grp 3 FF FV F6 Race 1FF12Van Diemen RF039/81:44.944Jack Haydu
Great Lakes Champions 2026Grp 3 FF FV F6 Qual 2FF12Van Diemen RF039/91:37.2741:32.979Robert J Dietz+4.295s (4.62%)124.9130.3Jonathan Kotyk-5.4 mph (-4.1%)
Great Lakes Champions 2026Grp 3 FF FV F6 Qual 1FF12Van Diemen RF038/111:41.4441:34.496Robert J Dietz+6.948s (7.35%)124.2126.8Russell J Ruedisueli-2.7 mph (-2.1%)
Great Lakes Champions 2024Grp 3 FV FF F6 Race 2FF2Van Diemen RF034/81:36.0921:32.099Zachary Rivard+3.993s (4.34%)
Great Lakes Champions 2024Grp 3 FV FF F6 Race 1FF2Van Diemen RF035/91:37.6341:32.734Zachary Rivard+4.900s (5.28%)

Road America (4.05 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrapClass trapTo class trap
Runoffs 2025FC/FF National Championship RaceFF22Van Diemen RF0311/162:31.4952:25.541Calvin Kautz+5.954s (4.09%)132.6138.4Tazio Stefanelli-5.8 mph (-4.2%)
Runoffs 2025FC/FF Qual 2FF22Van Diemen RF0316/172:32.8012:25.029Jonathan Kotyk+7.772s (5.36%)130.5137.0Robert Dietz-6.6 mph (-4.8%)
Runoffs 2025FC/FF Qual 1FF22Van Diemen RF0313/162:36.3082:24.905Jonathan Kotyk+11.403s (7.87%)129.3132.8Eric Poulsen-3.6 mph (-2.7%)
Runoffs 2025Wed Grp 2 FF FV Run 2FF22Van Diemen RF0311/122:35.3162:25.755Demetrios Constantinidis+9.561s (6.56%)126.5135.2Calvin Kautz-8.8 mph (-6.5%)
Runoffs 2025Wed Grp 2 FF FV Run 1FF22Van Diemen RF0313/132:38.4382:28.082Demetrios Constantinidis+10.356s (6.99%)127.4133.0Calvin Kautz-5.6 mph (-4.2%)
June Sprints 2025Grp 10 FF FV F6 Race 1FF2Van Diemen RF0315/142:24.576Ethan Tovo
June Sprints 2024Grp 1 FV F6 FF Race 2FF02Van Diemen RF0319/192:41.7342:24.639Sebastian Mateo Naranjo+17.095s (11.82%)
June Sprints 2024Grp 1 FV F6 FF Race 1FF02Van Diemen RF0313/143:14.9182:45.584Sebastian Mateo Naranjo+29.334s (17.72%)100.311/14128.0Calvin Kautz-27.6 mph (-21.6%)
June Sprints 2024Grp 1 FV F6 FF QualFF02Van Diemen RF0319/212:33.4172:24.279Sebastian Mateo Naranjo+9.138s (6.33%)130.813/21134.3Robert Dietz-3.4 mph (-2.6%)
June Sprints 2024Grp 1 FV F6 FF PracFF02Van Diemen RF0313/162:34.4512:24.607Sebastian Mateo Naranjo+9.844s (6.81%)130.810/16134.0Demetrios Constantinidis-3.2 mph (-2.4%)

Road America

EventSessionClass#CarPosBest lapClass bestTo class bestTrapClass trapTo class trap
June Sprints 2025Grp F Session 3FF2Van Diemen RF037/82:33.4602:23.233Ethan Tovo+10.227s (7.14%)126.8133.9Tazio Stefanelli-7.1 mph (-5.3%)

Mid-Ohio Sports Car Course (2.53 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrapClass trapTo class trap
Great Lakes Champions 2024Grp 3 FV FF F6 QualFF2Van Diemen RF033/91:45.5751:37.231Theodore Burns+8.344s (8.58%)

Indianapolis Motor Speedway (2.59 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrapClass trapTo class trap
Runoffs 2021FF RaceFF20Van Diemen RF0017/232:02.2861:55.676Jonathan Kotyk+6.610s (5.71%)129.510/23133.3Joe Colasacco-3.8 mph (-2.9%)
Runoffs 2021FF/F500 Qual 3FF20Van Diemen RF0019/241:49.1611:44.359Jonathan Kotyk+4.802s (4.60%)133.612/24141.6Nicholas Sheppard-8.0 mph (-5.7%)
Runoffs 2021FF/F500 Qual 2FF20Van Diemen RF0021/241:51.2431:45.063Thomas Schrage+6.180s (5.88%)127.321/24137.3Nicholas Sheppard-10.1 mph (-7.3%)
Runoffs 2021FF/F500 Qual 1FF20Van Diemen RF0019/241:50.3411:45.321Jonathan Kotyk+5.020s (4.77%)130.118/24137.7Nicholas Sheppard-7.6 mph (-5.5%)
Runoffs 2021Grp 2 Run 2 F500,FC,FF,FV MonFF20Van Diemen RF009/101:52.5601:45.095Jonathan Kotyk+7.465s (7.10%)130.44/10134.8Tim Kautz-4.5 mph (-3.3%)
Runoffs 2017FF RaceFF18Van Diemen RF02 Honda21/361:48.4321:44.524Jonathon Kotyk+3.908s (3.74%)
Runoffs 2017FF Qual 4FF18Van Diemen RF02 Honda25/361:50.8081:44.601Zach Holden+6.207s (5.93%)
Runoffs 2017FF/F500 Qual 3FF18Van Diemen RF02 Honda24/361:50.1561:45.559Zach Holden+4.597s (4.35%)
Runoffs 2017FF/F500 Qual 2FF18Van Diemen RF02 Honda18/351:51.3821:46.407Bob Perona+4.975s (4.68%)
Runoffs 2017FF/F500 Qual 1FF18Van Diemen RF02 Honda19/321:49.4641:45.405Zach Holden+4.059s (3.85%)

Unknown track (2.59 mi)

EventSessionClass#CarPosBest lapClass bestTo class bestTrapClass trapTo class trap
Runoffs 2017Sun Grp 3 Run 2FF18Van Diemen RF02 Honda12/191:50.3531:47.308Andy Brumbaugh+3.045s (2.84%)
Runoffs 2017Sun Grp 3 Run 1FF18Van Diemen RF02 Honda8/141:50.5375.713Joel Haas+104.824s (1834.83%)