Two-day aquathlon: run leg on Sat Sept 12 (17:45) at Vagya beach (paved coastal route, southern Serifos coast), swim leg on Sun Sept 13 (11:00) at Aulomonas beach. BIB pickup at Livadi secretariat: Fri Sept 11 (12:00–19:30) and Sat Sept 12 (09:30–14:00); swimming secretariat (Calma, Aulomonas): Sun Sept 13 from 09:30. Official event T-shirt and commemorative swim cap included. No medical certificate required; athletes compete at their own responsibility. Aquathlon combo awards ceremony Sun Sept 13 at Aulomonas after swim events. Ferry discounts (SeaJets, Aegean Sea Lines, Fast Ferries) for Sept 9–17; book via Kondilis Shipping & Tourism, Serifos (tel: 22810 52340 / 22810 52135) by Sept 4. Full refund available for cancellations until Aug 31, 2026. Plastic-free event in partnership with SeaChange Greek Islands initiative. Contact: info@serifosrace.com | Tel: 2106540662.