CREATE TABLE table_28358 ("Road race" CLOB, "Distance" CLOB, "Location" CLOB, "Country" CLOB, "Month held" CLOB)

How long was the great manchester run?
SELECT "Distance" FROM table_28358 WHERE "Road race" = 'Great Manchester Run'
SELECT "Distance" FROM "table_28358" WHERE "Road race" = 'Great Manchester Run'