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Desafío del Odiel — 31.5K

Second edition of a long trail along the Vía Verde del Odiel and the wetlands north of Huelva on 29 November 2026, with 31.5 km and 15.5 km competitive races (17 euros, 15 for cadets) and a 400-runner cap. Mostly flat gravel greenway; elevation gain is estimated.

See how this race fits your training, the course profile and who else is going.

Registration on the organiser's site: inscripciones.croniussport.es/inscripcion/ii-desafio-del-odiel