Porsche Races Iberian Championship 2026. The fourth season of the Porsche Sprint Challenge Iberica in 2026 features six rounds split between Portugal and Spain. The first race takes place on April 25 and 26 at Monteblanco (Spain), followed by the race at Estoril which takes place between May 8 and 10. The championship returns to Estoril for the grand final between October 30 and November 1. Learn more: https://porschesprintchallengeiberica.com/. Organization: P21.