Wheelchair for sports (10) comprising a central cross-beam (12) a first wheel (14) having a first hub (13) connected to a first end of the central cross-beam (12) a second wheel (16) having a second hub (15) connected to a second end of the central cross-beam (12) a seat post (22) slidably connected to the central cross-beam (12) a seat (21) slidably mounted on the seat post (22) further comprising an anti-tip wheels assembly (31) connected to that end of the seat post (22) which is opposite to the seat (21), said anti-tip wheels assembly (31) comprising a first arm (35), a second arm (36), and at least two anti-tip wheels (33), each wheel being connected to said first arm (35) and to said second arm (36) through resilient means (37).
