A training harness for a downhill gliding sport comprising: a harness comprising a back panel, a pair of shoulder straps connected to the back panel, a waist strap connected to the back panel, and at least one sliding anchor point connecter; and a retractable tether comprising a casing supporting and storing a rotatable spool, a handle grip connected to the casing, a tether comprising a first end coupled to the spool and a second end configured for reversible coupling to the at least one sliding anchor point connecter, an elastic section at or proximal to the second end.
