The 26th Incheon Songdo International Marathon is a road race held in Songdo, Incheon, with half marathon, 10km, and 5km events. Entries are accepted up to 15,000 participants on a first-paid, first-served basis, and finishers receive a finisher medal, finisher snack, and race souvenir.

The half marathon and 10km events include a timing chip and an online result certificate, while the 5km event does not include a timing chip or online result certificate. The half marathon is open only to runners aged 18 and older, and there are no entry restrictions for the 10km and 5km events. For groups of 30 or more, a team tent is provided for all events except the 5km.

Time limits are set at 3 hours for the half marathon, 2 hours for the 10km, and 1 hour for the 5km. Aid stations provide water and sports drink every 5km, sponge stations are available every 5km after the 7.5km point, and an energy snack is offered at the 15km mark.

Awards are given to the top five men and women in both the half marathon and 10km events. Registered athletes with the Korea Association of Athletics Federations, and those whose athlete registration was cancelled less than two years ago, are excluded from awards. Bib transfer and proxy participation are not allowed, and runners should choose the start group that matches their personal best.