3rd Helicon Mountain Race powered by Salomon. Start and finish at the open-air Stone Theatre of Krya (Krya springs), Levadia. ISF Skyrunning Certified Course 2027, 2 ITRA points (ITRA National League 2027) and UTMB Index race (50K category). Open to athletes aged 18+ who have completed at least one mountain race of 18km or more with at least 800m of elevation gain. Highest point Kapsala (1,547m) at km 16. Cut-off at the km 12 aid station: 3 hours. Aid stations: km 4.1 Profitis Ilias, km 8.2 Agios Georgios Ano Sourpi, km 12.1 Lakka Kyriakiou, km 14 Ano Ronies, km 17.2 Diaselo (water only), km 21.6 Helicon square - Zeriki, km 27.3 Xirovouni, km 35.2 Osios Serafeim. Poles are recommended (not mandatory); a windproof/waterproof jacket or foil blanket is recommended. Awards to the top 3 men and women overall, plus age groups 18–39, 40–49, 50–59 and 60+ (overall winners are excluded from age groups). Registrations open Monday 26 October 2026; early bird prices apply until 31 January 2027. Online registration at heliconmountainrace.gr (Εγγραφές), card payment only; registrations may close earlier if the participant limit is reached. Team registration (minimum 8 athletes) is requested by the team leader at info@heliconmountainrace.gr. The fee includes chip timing, race pack and souvenirs, bib, first aid and medical cover, full aid stations and post-race meal, finisher medal and private accident insurance. No medical certificate is required. Mandatory for all races: a water container holding at least 500ml. Trail running shoes are mandatory on all routes. Cancellations until 7 March 2027 are refunded minus €10; no refunds after that. If the event is cancelled for force majeure at least 15 days before, 50% of the fee is refunded; no refund if it is cancelled due to weather or other reasons. Bib pickup: Saturday 3 April 17:00–21:00 at the Krya Stone Theatre, and Sunday 4 April 06:30–08:45. Race briefing Saturday 18:30, Pasta Night & DJ Saturday 19:30. Awards for all races Sunday 14:30. Contact: info@heliconmountainrace.gr, technical director Stavros Mermigkis 6939110044, entries/routes Loukas Dalkas 6970023334 and Aris Annis 6973493515.