The Istanbul Half Marathon (Turkish: İstanbul Yarı Maratonu) is an annual road running event over the half marathon distance (21.1 km) that takes place on the streets of Istanbul, Turkey in April.

[1] The event was established in 1987 under the name "Haliç Yarı Maratonu" ("Golden Horn Half Marathon"), and continued to run until 1993.

After a break of 17 years, it revived in 2010 under the name "8th International Golden Horn Half Marathon" with participation of around 1,500 athletes from 22 nations.

The half marathon course begins and ends in Eyüp in the central-western part of the city, following a route south to the seafront area of Eminönü.

[6] The 2016 edition of the race gained IAAF Bronze Label status and the field included world record breakers Zersenay Tadese and Leonard Patrick Komon.