 On September 25, the regiment occupied the front line trenches and participated since the following day to a joint offensive along with the colonial regiments and during which the regimental commander Lecomte-Denis, was wounded.Until October 2, the date in which the regiment was relieved, the regiment registered around the sectors in concern numerous losses.The 2nd Marching Regiment which reconnected with the 1st Brigade of the Moroccan Division () 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.