2026 JTBC Seoul Marathon

2026 JTBC Seoul Marathon is a future Marathon listed on the official AIMS member-race calendar for 2026-11-01 in Seoul, South Korea. Importance evidence: AIMS official member-race calendar/listing (April 2026–July 2027) verifies future date and race class; November batch prioritizes World Marathon Major/major-capital marathons, flagship city marathons, and internationally recognized large road races.