Elia Viviani sprinted back into the overall race lead at the Tour of Britain after taking the runner up spot on stage four.
With the peloton stretched to near breaking point behind the Pole sat up and a new move of five riders became established out front. The peloton would not see them again until the catch was made with 3km to go.
Stage four result:
1. Fernando Gaviria (Quick-Step Floors) 3:43:31
2. Elia Viviani (Team Sky) s.t.
3. Alexander Kristoff (Katusha-Alpecin)
4. Dylan Groenewegen (LottoNL-Jumbo)
5. Alan Banaszek (CCC Sprandi Polkowice)
1. Elia Viviani (Team Sky) 17:38:05
2. Caleb Ewan (Orica-Scott) s.t.
3. Fernando Gaviria (Quick-Step Floors) +6"
4. Edvald Boasson Hagen (Dimension Data) +7"
5. Alexander Kristoff (Katusha-Alpecin) +12"