İznik Ultramarathon, shortly İznik Ultra, is an international trail runningultramarathon event that takes place at İznik town of Bursa Province in northwestern Turkey. It was established in 2012 with the first race held on April 14-15. Lasting two days, the race is Turkey's longest single stage athletic event. The course is a loop around the Lake Iznik with a distance of and a total elevation gain of. İznik Ultra consists of the part races as the 80k "Orhangazi Ultra", the 42k "İznik Mountain Marathon" and additionally a city fun run "İznik 10k". The winners are bestowed with medals specially made out of İznik pottery, which made the town famous in the Ottoman Empire era. In 2013, 250 athletes from 17 nations participated at the event. The race for 2014 is scheduled on April 19-20.
İznik Ultra
Lake İznik is located northeast of Bursa, and the historic city of İznik is situated at the eastern shore of the lake. The trail running race starts at the square in front of Hagia Sofia Museum in the town center, and leaves İznik on its south through Yenişehir Gate. Running on state and country roads between villages as control points, the route continues along the mountainous southern coast of İznik Lake, gaining elevation before and after Derbent at. It descends towards Narlıca at, ascends and descends once again before Solöz at. The route after Solöz until the finish line is almost flat with an elevation difference not exceeding about. Örnekköy village is the westernmost point of the route at. From there on, the route follows north of the lake. After the villages Ilıca at, Boyalica at and Dikilitaş at, it arrives in İznik at the same place it had started, passing through İstanbul Gate in the north of the town. Qualification time is limited by 25 hours. İznik Ultra is accredited for giving three points to the North Face Ultra-Trail du Mont-Blanc.
İznik Mountain Marathon is the part of İznik Ultra that ends in Narlıca with an elevation gain of. Time limit is 8 hours.
İznik 10k
İznik 10k is a ( fun run held in the town and partly along the lake shore on the second day of the İznik Ultra event. The race starts in the square before the Hagia Sofia Museum, runs in the city streets and along the historic city walls. After continuing along the lake shore, the route enters the city again and ends in the town square. The major part of the route is paved with asphalt or cobblestone while only 10% of it is unpaved as dirt road or gravel road.