| INTERNATIONAL RACE CALENDAR 2026 | (last update 22.12.2025) | ||||
| MONTH / Date | Name of race | Venue | Classes | Special rules | Invitation / registration link |
| MARCH | |||||
| 22 March 2026 | Brentwood UK Endurance R1 | Brentwood, UK | Endurance 3.5-7.5-15-27-Retro | Entry Form | |
| APRIL | |||||
| 3-5 April 2026 | 15° Camillo Braghieri Trophy iMBRA Endurance League rd. 1 | Viareggio, Italy | Endurance 3.5-7.5-15-27, (26 Stock Zenoah?) | ||
| 11 April 2026 | Kingsbury UK Endurance R2 | Kingsbury, UK | Endurance 3.5-7.5-15-27-Retro | Entry Form | |
| 19 April 2026 | UK Circuit Championship (H&O) R1 | Elmbridge, UK | Offshore/Hydro 3.5, 7.5, 15, 26 Stock Zenoah, 27, 35 | Entry Form | |
| MAY | |||||
| 1-3 May 2026 | Fred LOUVET Trophy iMBRA Endurance League rd. 2 | Therdonne France | Endurance 3.5-7.5-15-27, (26 Stock Zenoah?) | ||
| 1-3 May 2026 | István Németh Memorial | Kishantos, Hungary | Endurance 3.5-7.5-15-27-35 | fsrnevezes@gmail.com | |
| 9-10 May 2026 | Osek nad Becvou | Osek nad Bečvou, Czech Republic | Endurance 3.5-7.5-15-27-35 | ||
| 15-16 May 2026 | OMBK Nordic Championship iMBRA H/O League rd. 1 | Sabyvannet, Norway | Offshore/Hydro 3.5, 7.5, 15, 26 Stock Zenoah, 27, 35, OTA. | ||
| 17 May 2026 | UK Circuit Championship (H&O) R2 | Elmbridge, UK | Offshore/Hydro 3.5, 7.5, 15, 26 Stock Zenoah, 27, 35 | Entry Form | |
| 29-31 May 2026 | Velenje Cup iMBRA Endurance League rd. 3 | Velenje, Slovenija | Endurance 3.5-7.5-15-27 (26 Stock Zenoah?) | ||
| JUNE | |||||
| 6-7 June 2026 | FSR Deutschland International iMBRA H/O League rd. 2 | Görlitz, Germany | Offshore/Hydro | ||
| 7 June 2026 | Brentwood UK Endurance R3 | Brentwood, UK | Endurance 3.5-7.5-15-27 | Entry Form | |
| 12 June 2026 | XIII International Race in Kleczew | Kleczew, Poland | Hydro and Offshore | ||
| 13-14 June 2026 | XIII International Race in Kleczew iMBRA Endurance League rd. 4. | Kleczew, Poland | Endurance 3.5-7.5-15-27-35 | ||
| 19-21 June 2026 | Kanizsa Cup | Nagykanizsa, Hungary | Endurance 3.5-7.5-15-27-35 (26 Stock Zenoah?) | fsrnevezes@gmail.com | |
| 20 June 2026 | UK Endurance Masters R4 | Elmbridge, UK | Endurance 3.5-7.5-15-27 | Entry Form | |
| 21 June 2026 | UK Circuit Nationals (H&O) R3 | Elmbridge, UK | Offshore/Hydro 3.5, 7.5, 15, 26 Stock Zenoah, 27, 35 | Entry Form | |
| JULY | |||||
| 3-5 July 2026 | Eksjö Grand Prix (EGP) | Eksjö, Sweden | Endurance 3.5, 7.5, 15, 27, (26 Stock Zenoah?) | ||
| 3-5 July 2026 | H/O Imbra race of Contrisson iMBRA H/O League rd. 3 | Contrisson, France | Offshore and Hydro | ||
| 3-5 July 2026 | Poseidon Cup | Kishantos, Hungary | Endurance 3.5-7.5-15-27-35 | fsrnevezes@gmail.com | |
| 17-19 July 2026 | Nagykanizsa Hungarian Championship round | Nagykanizsa, Hungary | Endurance 3.5-7.5-15-27-35 | fsrnevezes@gmail.com | |
| 18 July 2026 | UK Endurance R5 | Elmbridge, UK | Endurance 3.5-7.5-15-27 | Entry Form | |
| 19 July 2026 | UK Circuit Nationals (H&O) | Elmbridge, UK | Offshore/Hydro 3.5, 7.5, 15, 26 Stock Zenoah, 27, 35 | Entry Form | |
| AUGUST | |||||
| 2-8 August 2026 | iMBRA Endurance World Championship | Cestas, France | Endurance, all | ||
| 21-23 August 2026 | Orosháza iMBRA Endurance League rd. 5 | Oroshaza, HU | Endurance 3.5-7.5-15-27-35 | fsrnevezes@gmail.com | |
| 28-30 August 2026 | Putten International iMBRA Endurance League rd. 6 | Putten, The Netherlands | Endurance 3.5-7.5-15-27 (26 Stock Zenoah?) | ||
| SEPTEMBER | |||||
| 4 September 2026 | Polish Championship Final Konopiska iMBRA H/O League rd. 4 | Konopiska, Poland | Offshore and Hydro | ||
| 5-6 September 2026 | Polish Championship Final Konopiska | Konopiska, Poland | Endurance 3.5-7.5-15-27-35 (26 Stock Zenoah?) | ||
| 11-13 September 2026 | Csongrad Cup | Csongrad, Hungary | Endurance 3.5-7.5-15-27-35 | fsrnevezes@gmail.com | |
| 13 September 2026 | Brentwood UK Endurance R6 | Brentwood, UK | Endurance 3.5-7.5-15-27 | Entry Form | |
| 18-20 September 2026 | Italian H/O international iMBRA H/O League rd. 5 | Ravenna | Offshore and Hydro | ||
| 26-27 September 2026 | Osek nad Becvou International iMBRA Endurance League rd. 7 | Osek nad Bečvou, Czech Republic | Endurance 3.5-7.5-15-27-35 | ||
| 26 September 2026 | Uk Endurance R7 Charity | Elmbridge, UK | Endurance 3.5-7.5-15-27 | Entry Form | |
| 27 September 2026 | UK Circuit Nationals (H&O) | Elmbridge, UK | Offshore/Hydro 3.5, 7.5, 15, 26 Stock Zenoah, 27, 35 | Entry Form | |
| OCTOBER | |||||
| 9-11 October 2026 | Kúty International iMBRA Endurance League rd. 8 | Kúty, Slovakia | Endurance 3.5-7.5-15-27-35 (26 Stock Zenoah?) | ||
| 23-25 October 2026 | Eurocup iMBRA Endurance League rd. 9 | Stuttgart, Germany | Endurance 3.5-7.5-15-27 (26 Stock Zenoah?) | ||
| 24 October 2026 | Kingsbury UK Endurance R8 | Kingsbury, UK | Endurance 3.5-7.5-15-27 | Entry Form | |