Where was the istanbul marathon?
CREATE TABLE table_26166836_1 (location VARCHAR, road_race VARCHAR)
SELECT location FROM table_26166836_1 WHERE road_race = "Istanbul Marathon"
### Context: CREATE TABLE table_26166836_1 (location VARCHAR, road_race VARCHAR) ### Question: Where was the istanbul marathon? ### Answer: SELECT location FROM table_26166836_1 WHERE road_race = "Istanbul Marathon"