Chester Kieffer
| Chester Kieffer | |
|---|---|
| File:F4 France 2024 Nürburg Nr. 4 Kieffer.jpg Kieffer at the Nürburgring in 2024 | |
| Nationality |  Luxembourger |
| Born | 23 July 2006 Luxembourg |
| Porsche Carrera Cup France career | |
| Debut season | 2025 |
| Current team | CLRT Schumacher |
| Starts | 12 (12 entries) |
| Wins | 0 |
| Podiums | 1 |
| Poles | 0 |
| Fastest laps | 0 |
| Best finish | 6th in 2025 |
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Chester Kieffer (born 23 July 2006) is a Luxembourgish racing driver who last competed in Porsche Carrera Cup France for CLRT Schumacher.
Career
Formula 4
Formula 4 UAE Championship
Kieffer began karting at 15 and made his single-seater debut in the 2024 Formula 4 UAE Championship for X GP.[1] He only contested the third round of the series at the Dubai Autodrome, where his highest result was a fifteenth in the first race. Kieffer finished the drivers championship in twenty-ninth.[2]
French F4 Championship
His main campaign of the year was in the 2024 French F4 Championship, where he enjoyed success in the first half of the season. Kieffer got his first ever pole position, podium and win in the first race of the second round at Lédenon and became the first Luxembourger to win in a FIA sanctioned single seater series.[3][4][5][6] In the third race he got this second podium, in form of a second place. He got his second win in the first race of the next round at the Circuit de Spa-Francorchamps.[7]
After Spa-Francorchamps, he only mustered three points finishes – a highest of sixth and the Nürburgring – throughout the rest of the season.[8] Despite this, the Luxembourger managed to hang onto fourth in the drivers championship and finished his maiden campaign with two wins, one pole position, one fastest lap, three podiums and 116 points.[9]
F4 British Championship
Kieffer made a cameo in the sixth round of the 2024 F4 British Championship with Xcel Motorsport at Circuit Zandvoort, the only international round in the season.[10] He finished a highest of nineteenth in the second race and got four bonus points after he overtook four cars. Kieffer ended the drivers championship in thirtieth with four points.[11]
FIA Motorsport Games
He drove in the FIA Motorsport Games Formula 4 Cup for Team Luxembourg and finished sixth in the main race.[12][13]
Career
Porsche competition
2025
For the 2025 season, he switched from Formula 4 to one-make Porsche racing and kicked off his season in the 2025 Porsche Sprint Challenge Southern Europe with CLRT Schumacher, where he won the rookie title and finished third in the main championship after claiming two pole positions in the first round at Algarve, and achieving his maiden podium in the second round at Estoril.[14][15][16]
He competed full-time in the 2025 Porsche Carrera Cup France with CLRT Schumacher where he got his only podium in the second race of the third round at the Circuit de Spa-Francorchamps with a third place.[17][18] Kieffer consistently finished in the top-ten throughout the season, beating Enzo Joulié to the rookie title and ending the main championship in sixth.[19][20]
Karting record
Karting career summary
| Year | Series | Team | Position |
|---|---|---|---|
| 2023 | IAME Euro Series – X30 Senior | RSD Karting | 185th |
| IAME Warriors Final – X30 Senior | NC | ||
| 2023 | WSK Champions Cup – X30 Senior | RSD Karting | NC |
| IAME Euro Series – X30 Senior | 115th | ||
| Source:[21] | |||
Racing record
Racing career summary
| Year | Series | Team | Races | Wins | Poles | F/Laps | Podiums | Points | Position |
|---|---|---|---|---|---|---|---|---|---|
| 2024 | Formula 4 UAE Championship | X GP | 3 | 0 | 0 | 0 | 0 | 0 | 29th |
| French F4 Championship | FFSA Academy | 20 | 2 | 1 | 1 | 3 | 116 | 4th | |
| F4 British Championship | Xcel Motorsport | 3 | 0 | 0 | 0 | 0 | 4 | 30th | |
| FIA Motorsport Games Formula 4 Cup | Team Luxembourg | 2 | 0 | 0 | 0 | 0 | 0 | 6th | |
| 2025 | Porsche Sprint Challenge Southern Europe | CLRT Schumacher | 8 | 0 | 2 | 0 | 1 | 78 | 3rd |
| Porsche Carrera Cup France | 12 | 0 | 0 | 0 | 1 | 127 | 6th | ||
| Nürburgring Langstrecken-Serie – Cup3 | AV Racing by Black Falcon | 1 | 0 | 0 | 0 | 0 | 0 | NC† |
Complete Formula 4 UAE Championship results
(key) (Races in bold indicate pole position; races in italics indicate fastest lap)
| Year | Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | DC | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | X GP | YMC1 1 |
YMC1 2 |
YMC1 3 |
YMC2 1 |
YMC2 2 |
YMC2 3 |
DUB1 1 15 |
DUB1 2 28 |
DUB1 3 Ret |
YMC3 1 |
YMC3 2 |
YMC3 3 |
DUB2 1 |
DUB2 2 |
DUB2 3 |
29th | 0 |
Complete French F4 Championship results
(key) (Races in bold indicate pole position; races in italics indicate fastest lap)
| Year | Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | DC | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | NOG 1 10 |
NOG 2 C |
NOG 3 5 |
LÉD 1 1 |
LÉD 2 7 |
LÉD 3 2 |
SPA 1 1 |
SPA 2 5 |
SPA 3 4 |
NÜR 1 Ret |
NÜR 2 20 |
NÜR 3 6 |
MAG 1 11 |
MAG 2 10 |
MAG 3 Ret |
DIJ 1 10 |
DIJ 2 12 |
DIJ 3 7 |
VAL 1 5 |
VAL 2 5 |
VAL 3 5 |
LEC 1 12 |
LEC 2 Ret |
LEC 3 14 |
4th | 116 |
Complete F4 British Championship results
(key) (Races in bold indicate pole position; races in italics indicate fastest lap)
| Year | Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | DC | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | Xcel Motorsport | DPN 1 |
DPN 2 |
DPN 3 |
BHI 1 |
BHI 2 |
BHI 3 |
SNE 1 |
SNE 2 |
SNE 3 |
THR 1 |
THR 2 |
THR 3 |
SILGP 1 |
SILGP 2 |
SILGP 3 |
ZAN 1 20 |
ZAN 2 194 |
ZAN 3 Ret |
KNO 1 |
KNO 2 |
KNO 3 |
DPGP 1 |
DPGP 2 |
DPGP 3 |
DPGP 4 |
SILN 1 |
SILN 2 |
SILN 3 |
BHGP 1 |
BHGP 2 |
BHGP 3 |
BHGP 4 |
30th | 4 |
Complete Porsche Carrera Cup France results
(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)
| Year | Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Pos | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | CLRT Schumacher | BAR 1 5 |
BAR 2 7 |
DIJ 1 9 |
DIJ 2 8 |
SPA 1 8 |
SPA 2 3 |
MIS 1 5 |
MIS 2 7 |
VAL 1 5 |
VAL 2 5 |
LEC 1 12 |
LEC 2 4 |
6th | 127 |
*Season still in progress.
- ↑ Series, Feeder (2024-06-13). "Luxembourg's rising star in French F4: Who is Chester Kieffer?". Feeder Series. Retrieved 2024-11-29.
- ↑ "Freddie Slater Leads as F4 UAE Championship Resumes in Dubai". Formula 4 UAE Championship. 2024-01-31.
- ↑ "Taito Kato and Chester Kieffer share French F4 poles at Ledenon". formulascout.com. 10 May 2024. Retrieved 17 January 2026.
- ↑ "Freddie Slater Leads as F4 UAE Championship Resumes in Dubai". Formula 4 UAE Championship. 2024-01-31.
- ↑ "Chester Kieffer veut conserver la trajectoire idéale à Spa". lessential.lu (in French). 21 June 2024. Retrieved 17 January 2026.CS1 maint: Unrecognized language (link)
- ↑ "Chester Kieffer and Frank Porte Ruiz win at Ledenon in French F4". formulascout.com. 11 May 2024. Retrieved 17 January 2026.
- ↑ "Chester Kieffer takes second F4 win at Spa Francorchamps". kartcom.com. 23 June 2024. Retrieved 17 January 2026.
- ↑ "A top six finish after an eventful weekend at the Nürburgring". kartcom.com. 2024-08-01. Retrieved 18 January 2026.
- ↑ "Tight title fight and many surprises: French F4 season review". f1feederseries.net. 14 December 2024. Retrieved 18 January 2026.
- ↑ "Nobels, Kieffer and Rivera to make ROKiT British F4 debuts at Zandvoort". fiaformula4.com. Retrieved 18 January 2026.
- ↑ "Ninovic wins crazy British F4 race with Saturday start and Sunday finish". formula scout.com. 14 July 2024. Retrieved 18 January 2026.
- ↑ "[FIA Motorsport Games] Chester Kieffer, l'espoir du karting passé à la F4". mental.lu (in Lëtzebuergesch). 17 October 2024. Retrieved 17 January 2026.
- ↑ "FIA Motorsport Games Summary". acl.lu. 28 October 2024. Retrieved 18 January 2026.
- ↑ Brücker, Andy (2024-11-29). "48 Losch Motorsport: Projet NLS geet 2025 virun, Chester Kieffer wiesselt vu Formel 4 Porsche Cup". RTL Lëtzebuerg (in Lëtzebuergesch). Retrieved 1 December 2024.
- ↑ "Strong Rounds in Barcelona reveal the champions of the Porsche Sprint Challenge Southern Europe 2025". porschesport.com. Retrieved 18 January 2026.
- ↑ "Flynt Schuring pakt op Estoril twee zeges in de Porsche Sprint Challenge Southern Europe". autosport.nu (in Dutch). 9 February 2025. Retrieved 18 January 2026.CS1 maint: Unrecognized language (link)
- ↑ Brücker, Andy (29 November 2024). "48 Losch Motorsport: Projet NLS geet 2025 virun, Chester Kieffer wiesselt vu Formel 4 Porsche Cup". RTL Lëtzebuerg (in Lëtzebuergesch). Retrieved 1 December 2024.
- ↑ "Porsche Carrera Cup France : Perrot et Jaubert se partagent les victoires à Spa". flat6mag.com (in French). 23 June 2025. Retrieved 18 January 2026.CS1 maint: Unrecognized language (link)
- ↑ "Chester Kieffer bleift Leader an der Rookie-Wäertung". rtl.lu (in French). 21 June 2025. Retrieved 17 January 2026.CS1 maint: Unrecognized language (link)
- ↑ "Chester Kieffer ass Champion an der Rookie-Kategorie". rtl.lu (in French). 7 October 2025. Retrieved 17 January 2026.CS1 maint: Unrecognized language (link)
- ↑ Kartcom. "Chester Kieffer". Retrieved 18 January 2026.
