Fastest time trials
Overview of the fastest time trials done by Herbert Sieronski.
Fastest
| # | Result | Race | Speed (km/h) | Distance (km) |
|---|---|---|---|---|
| 1 | 18 | Grand Prix des Nations | 33.826 | 140 |
| 2 | 14 | Grand Prix des Nations | 33.7 | 142 |
Longest
| # | Result | Race | Distance (km) |
|---|---|---|---|
| 1 | 14 | Grand Prix des Nations | 142 |
| 2 | 18 | Grand Prix des Nations | 140 |
Shortest
| # | Result | Race | Distance (km) |
|---|---|---|---|
| 1 | 18 | Grand Prix des Nations | 140 |
| 2 | 14 | Grand Prix des Nations | 142 |