The invention relates to a waterproof running garment which comprises a garment body, sleeves arranged on the two sides of the garment body, and a hood arranged at the upper portion of the garment body. The garment body is composed of a front garment piece, a rear garment piece and side garment pieces. The front garment piece is divided into a left half piece and a right half piece. A waterproof front fly zipper is arranged between the left half piece and the right half piece. The garment body, the sleeves and the hood are made of functional fabrics with high waterproof and breathable function indexes. The left half piece and the right half piece are each composed of a shoulder piece and a chest piece. The shoulder pieces are stacked and cover the chest pieces. A front breathable opening is formed between the shoulder pieces and the chest pieces. The rear garment piece is composed of multiple garment pieces, so that a plurality of rear breathable openings are formed. Compared with the prior art, the waterproof running garment is novel in structure, good in waterproof effect, high in comfortable level and powerful in function.