The OMD Ultra Trail® Serra da Estrela offers an impressive range of challenging long-distance races, highlighting the stunning landscape of mainland Portugal. The OMD50 features a distance of 54 km with a total ascent of 3570 meters, while the OMD100 spans 101.7 km with a demanding elevation gain of 5900 meters. For the ultimate challenge, the OMD160 covers 161.4 km with a staggering ascent of 8990 meters. Participants can expect varied terrain and significant elevation changes across all distances, making this an arduous and exhilarating experience. The rugged course presents numerous challenges, pushing runners to their limits amid diverse altitudes and temperature fluctuations.