Organisers of the 65th WRC Finnish rally have toughened up the event for 2015 with almost half of the rally to be run without servicing.

Neste Oil Rally Finland will act as the eighth round of the 2015 World Rally Championship and organisers announced this year's itinerary will see drivers take on over 157km of racing on Friday's opening leg without the opportunity for mechanics to work on the cars.

The Friday leg commences from Jyvaskyla's service park for nine stages and won't return to servicing until the end of the day. In addition, the famous Ouninpohja stage returns to the Finnish rally and will be driven twice in its full-length 34.39km version along with smaller updates made on the same stages run last year.

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Assistant clerk of the course Kari Nuutinen said the organisers took on the views of fans and competitors while planning the 2015 event.

"Our goal was to make a perfect route with minimal changes. For example, the feedback from the competitors was that last year's route was probably the best ever," he said.

Rally Finland commences on Thursday night on the streets of Jyvaskyla before the monstrous Friday action which travels through the Himos ski slopes.

Saturday's eight stages will cover 130.68km, going west from Jyvaskyla and makes a double loop through Mokkipera and Jukojarvi. The rally will also take drivers through the new Horkka stage which uses roads previously used in other stages.

Sunday's final leg features the demanding tracks of the Myhinpaa, with the second run forming the live TV Power Stage which will provide the three fastest drivers with bonus points.

Last year Finnish hero Jari-Matti Latvala won his home rally taking victory by just 3.6 seconds from Volkswagen Motorsport team-mate Sebastien Ogier, while Citroen's Kris Meeke claimed third place.

The full 20-stage itinerary can been seen here