BoP Lab / Drivers / James K. Dietz
James K. Dietz
Against the front of the class, by track and class
| Track | Class | Sessions | Typical gap to class best | Closest |
|---|---|---|---|---|
| Road America (4.05 mi) | FF | 3 | +12.084s (8.45%) | +10.125s (7.05%) |
| Road America | FF | 1 | +12.084s (8.45%) | +12.084s (8.45%) |
| Watkins Glen International (3.40 mi) | FF | 4 | +8.106s (6.72%) | +5.859s (4.79%) |
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.
Road America (4.05 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Runoffs 2026 | FF/F6 National Championship Race | FF | 2 | Van Diemen RF00 | 15/20 | 2:33.811 | 2:23.686Nathan Down | +10.125s (7.05%) | 130.513/20 | 138.9Tazio Stefanelli | -8.4 mph (-6.1%) |
| Runoffs 2026 | FF/F6 Qualifying 3 | FF | 2 | Van Diemen RF00 | 19/20 | 2:35.131 | 2:23.047David Ybarra | +12.084s (8.45%) | 128.617/20 | 135.9Calvin Kautz | -7.3 mph (-5.3%) |
| Runoffs 2026 | FF/F6 Qualifying 2 | FF | 2 | Van Diemen RF00 | 18/20 | 2:39.599 | 2:26.563Theodore Burns | +13.036s (8.89%) | 127.415/20 | 135.2Andrew Moran | -7.8 mph (-5.8%) |
Road America
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Runoffs 2026 | FF/F6 Qualifying 3 | FF | 2 | Van Diemen RF00 | 19/20 | 2:35.131 | 2:23.047David Ybarra | +12.084s (8.45%) | 128.617/20 | 135.9Calvin Kautz | -7.3 mph (-5.3%) |
Watkins Glen International (3.40 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Finger Lakes Region SCCA Hoosier Super Tour @ Watkins Glen International | Grp 1 FF FV F6 Race 2 | FF | 22 | Van Diemen RF03 | 8/9 | 2:09.679 | 2:00.426David Ybarra | +9.253s (7.68%) | 130.63/9 | 132.3Dave Petzko | -1.7 mph (-1.3%) |
| Finger Lakes Region SCCA Hoosier Super Tour @ Watkins Glen International | Grp 1 FF FV F6 Race 1 | FF | 22 | Van Diemen RF03 | 7/9 | 2:08.068 | 2:02.209Robert Dietz | +5.859s (4.79%) | 130.06/9 | 135.4Robert Dietz | -5.4 mph (-4.0%) |
| Finger Lakes Region SCCA Hoosier Super Tour @ Watkins Glen International | Grp 1 FF FV F6 Qualifying 2 | FF | 22 | Van Diemen RF03 | 7/9 | 2:08.687 | 2:00.581David Ybarra | +8.106s (6.72%) | 125.27/9 | 132.7David Ybarra | -7.5 mph (-5.7%) |
| Finger Lakes Region SCCA Hoosier Super Tour @ Watkins Glen International | Grp 1 FF FV F6 Qualifying 1 | FF | 22 | Van Diemen RF03 | 8/9 | 2:13.305 | 2:00.673David Ybarra | +12.632s (10.47%) | 126.07/9 | 131.7Chris Smith | -5.7 mph (-4.3%) |