Clean Sweep for #21 S. Griessen at Alderwhat
F2 Stockcar Championship – R11#
Alderwhat Raceway – 10th August 2026
A quite night at Alderwhat Raceway for round 11 of the Championship with strong consistency across all five races. #21 Sebastian Griessen dominated the meeting, going unbeaten across the full programme, while #H66 Colin Croese, #27 Chris Streets, #57 Samakorn Ratphitaksanti , and #606 Jonathan Siddle formed a tight chasing pack throughout.
Heats
#21 S.Griessen opened the evening with a clear win in heat 1, followed by #H66 Croese and #27 Streets. #606 Siddle and #57 Ratphitaksanti completed the running.
Another composed drive from #21 S.Griessen, taking Heat 2 ahead of #H66 Croese and #27 Streets. #57 Ratphitaksanti and #606 Siddle rounded out the finishers.
Heat 3 followed the same pattern, with #21 S.Griessen again leading home #H66 Croese and #27 Streets. #57 Ratphitaksanti and #606 Siddle completed the order.
Final
The Final produced a fourth win for #21 S.Griessen, this time with #57 Ratphitaksanti moving up to third behind #H66 Croese. #27 Streets and #606 Siddle completed the top five.
Grand National
The GN capped off a perfect night for #21 S.Griessen, who remained unbeaten across all five races. #H66 Croese, #27 Streets, #57 Ratphitaksanti, and #606 Siddle finished behind.
Meeting Summary
A dominant night for #21 S.Griessen, winning every race on the card with strong pace and control. #H66 Croese remained the closest challenger, while #27 Streets, #57 Ratphitaksanti, and #606 Siddle all delivered consistent points across a steady evening at Alderwhat Raceway.