Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_26166836_1 (distance VARCHAR, road_race VARCHAR)

### Question ###
How long was the great manchester run?

### Accurate SQL ###

SELECT distance FROM table_26166836_1 WHERE road_race = "Great Manchester Run"