📅 접수: 2026.03.20 ~ 2026.09.03

🏃 하프, 10km, 5km

🎟 등록중

🏢 주최: 서산시체육회

📞 042-638-1080

✉ jangmd@naver.com

🔗 소스

- gorunning: https://gorunning.kr/races/1036/

- marathongo: https://marathongo.co.kr/raceDetail/domestic/2026-seosan-cosmos-golden-fields-marathon