The legendary 245.1km ultra-distance race from Athens to Sparta, following the footsteps of Pheidippides. 36-hour cutoff time. Requirements: Age 18+, qualifying performance from 2024-2026 (e.g., 100 miles in 21h/22h, previous Spartathlon finish under 36h), medical certificate dated after July 1, 2026. Application: Jan 25 - Feb 25, 2026. Max 400 participants. Entry form deadline: May 15, 2026. Mandatory: headlamps with spare batteries, reflective gear, race bibs front/back. Crew support only at 17 designated checkpoints. Finish at King Leonidas statue. Contact: info@spartathlon.gr