On October 18, the day of departure, the regiment counted 1947 men constituting 2 battalions.

Until October 26, the regiment's battalions relayed each other in the first line trenches within the sectors of Prunay, Sillery, and prepositions of Verzenay in the south-east of Reims.

Subsequently, on December 15, Mauvilain's battalion to the turn, made way to the first line at the front.

On June 14, a detachment from the regiment made its way to Prouilly and Chenay in the north-west of Reims and was assigned under the orders of the 1st Armed Corps.

On July 11, following the departure of 334 Russians and 394 Belgians, one of the battalion's regiment was subsequently dissolved.

On August 21, the regiment was put at disposition of the 57th French Infantry Division in order to participate to the mounting of counter-attack preparations in the region of the Sentheim, Soppe le Haut, Leimbash and Roderen south of Thann.

On September 14, the regiment left the respective prepositionings and made way to Saint-Hilaire-au-Temple, north of Châlons-en-Champagne within the sector of the 10e DIC.

The 2nd Marching Regiment which reconnected with the 1st Brigade of the Moroccan Division (French: Division marocaine) made way then to Souain-Perthes-lès-Hurlus, then Saint-Étienne-au-Temple, south of Suippes where the regiment garrisoned until October 19 of 1915 and endured also numerous heavy losses.