What is the Istanbul Marathon course like?

A bridge, a coastline, a finish that climbs
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What is the Istanbul Marathon course like?

The Istanbul Marathon course crosses the Bosphorus via a bridge within the first 2 km, then undulates until the 5th km before the descent toward Beşiktaş. The marathon runs along the coast on a fairly fast profile (249 m D+), up to the turnaround around the 26th km. The trap of the Istanbul Marathon: the final climb to Sultanahmet.