Bilbao races on March 6, with tiered entry fees, a minimum age of 16 and a certified course.
Three distances are scheduled for February 2027, with marathon fees published and other race details still pending.
The San Sebastián event features a 5K, a mass-participation 10K and a sub-45 race beside Zurriola beach.
El Puerto adds a 10K to its January event, with a confirmed date, planned course changes and announced runner services.
Donostia’s December 31 race lists 7.9 kilometers and a 2 p.m. start, with entry and course details still to be confirmed.
Cehegín hosts trail races and hikes on November 28, with routes from 11 to 53 kilometers and entry fees starting at €32.
Colón welcomes 5K and 10K runners for a charity event supporting people affected by road traffic accidents.
Galifa's race weekend features a mountain run and a walk, with 800 metres of climbing and separate start times.
Company teams race in Murcia on October 18, with two distances, a 9:30 a.m. start and bib collection on Saturday.
Caprés hosts long and short trail races, relays and a walking event on 17 October, starting at San Jerónimo Hermitage.
Swimming, cycling and running meet in the Pyrenees on June 27, with some technical details still to be confirmed.
Road races and Mediterranean trails: what is confirmed for May 2027 and which practical details still need clarification.