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| Chester Kieffer | |
|---|---|
| Kieffer at the Nürburgring in 2024 | |
| Nationality | |
| Born | 23 July 2006 |
| 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 |
Chester Kieffer (born 23 July 2006) is a Luxembourgish racing driver who last competed in Porsche Carrera Cup France for CLRT Schumacher.
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]
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] 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. [6]
After Spa-Francorchamps, he only mustered three points finishes – a highest of sixth and the Nürburgring – throughout the rest of the season. [7] 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. [8]
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. [9] 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. [10]
He drove in the FIA Motorsport Games Formula 4 Cup for Team Luxembourg and finished sixth in the main race. [11] [12]
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. [13] [14] [15]
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. [16] [17] Kieffer consistently finished in the top-ten throughout the season, beating Enzo Joulié to the rookie title and ending the main championship in sixth. [18] [19]
| Season | 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: [20] | |||
| Season | 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† |
(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 |
(key) (Races in bold indicate pole position; races in italics indicate fastest lap)
| Year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 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 | LEC 1 15 | LEC 2 Ret | LEC 3 14 | 4th | 116 |
(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 |
(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.