Juan Ayuso (UAE Team Emirates-XRG) outsprinted breakaway partner Javier Romo (Movistar) to win stage 12 of the Vuelta a España.

Brieuc Rolland (Groupama-FDJ) spent more than 22km in a solo chase to close down the Spanish duo and settled for third place, 13 seconds back. Just four seconds behind the young Frenchman, Victor Campenaerts (Visma-Lease a Bike) edged Mads Pedersen (Lidl-Trek) as the top rider from a 16-rider chase group.

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Race leader Jonas Vingegaard (Visma-Lease a Bike) never seemed to panic as a trio of teammates ushered him across the finish line in a large group of contenders, 6:22 off the winning pace. He retained the race lead with the same 50-second margin over João Almeida (UAE Team Emirates-XRG) and 56 seconds ahead of Tom Pidcock (Q36.5 Pro Cycling). Bruno Almirail (Decathlon AG2R La Mondiale), who finished in the main chase group, moved to sixth overall, now just five seconds behind his teammate Felix Gall, and 2:22 behind Vingegaard.

Jonas Vingegaard in the red jersey after stage 12 at the Vuelta a España

Jonas Vingegaard in the red jersey after stage 12 at the Vuelta a España (Image credit: Getty Images)

police presence kept the atmosphere calm, far different than the tension after stage 11 when no winner was recognized after a late neutralisation due to protestors at the finish line.

The peloton still felt urgency with the task of making this stage count, so attacks were launched quickly on stage 12 to make all the 146 kilometres count to Los Corrales de Buelna. After just 2.5km, the first uncategorised climb came into view, and 16 riders tried to get away.

Two major climbs punctuated the stage – category 2 Puerto de Alisas (8.6km at 5.9%) with 104.5km to go and first-category Collada de Brenes (7km at 7.9%) with 24km to the finish.

Approaching Puerto de Alisas, a large group of 18 riders pushed away from the front of the peloton. Juan Ayuso with Marc Soler and Jay Vine (UAE Team Emirates-XRG) launched from the peloton, with a counter by Santiago Buitrago (Bahrain Victorious), Pablo Castrillo (Movistar) and several others to make it 35 riders at the front.

The front group on stage 12

(Image credit: Getty Images)

Three riders in the chase went down in an unusual uphill crash, Ben Turner (Ineos Grenadiers), Matt Riccitello (Israel-Premier Tech) and Hugo De La Calle (Burgos-Burpellet-BH), with a few others delayed, but they were able to remount.

As more riders bridged to the back and then dropped off in the chaotic procession, the composition of leaders continued to change, and with 75km to go another chase group joined the front bunch for a massive selection of 52 riders.

Movistar had five riders now at the front, with four riders each representing Soudal-QuickStep, EF Education-EasyPost and Lotto. UAE Team Emirates-XRG had Ayuso and Soler in the move, with Mads Pederson among a trio for Lidl-Trek. Not present at the front was the Israel-Premier Tech squad.

Behind, Visma-Lease a Bike had Dylan van Baarle controlling the pace of the peloton, 2:43 behind, and the GC top 10 riders not showing any cards by the mid-point of the stage.

The breakaway on stage 12

The breakaway on stage 12 (Image credit: Getty Images)

On the unclassified 3.1km climb of Alto de Hijas, Ivan Garcia Cortina (Movistar) attempted to steal away, but his move lasted a few kilometres, with his effort closed down by Lidl-Trek. Now with 50km to go, the head of the race had an advantage of 4:40.

The lone intermediate sprint of the day, in Barrios, kept the pace high, Lidl-Trek continuing to set the pace for Pedersen and a hefty haul of 20 more points to pad his lead in the points classification. And why slow down after the effort? Pedersen continued his momentum to shake up the lead group, small bands of elastic threatening to break the big group apart as they passed under the finish banner for a circuit that would bring the final climb of the day.

It took a little of real estate, but six riders went clear for a manageable breakaway – James Shaw (EF Education-EasyPost), Magnus Sheffield (Ineos Grenadiers), Michel Hessmann (Movistar), Finlay Pickering (Bahrain-Victorious), Brieuc Rolland (Groupama-FDJ) and Victor Guernalec (Arkéa-B&B Hotels).

With 31km to go, the group had 30 seconds on chasers and began their effort on the final climb, featuring a very narrow, rough road. With 5km to the top of Collada de Brenes, Shaw accelerated with a counter by Rolland, and the duo opened a small gap on the other four. Pickering slowly closed that gap to match pedal strokes as the trio moved away from Herrmann and Sheffield on a section at 10% gradient, and Guernalec no longer attached.

Soler led the main chase group with Ayuso on his wheel, now just 30 seconds back.