[sport name in parenthesis]
U
Uchi-gake (Sumo Wrestling)
Uchi-mata (Judo)
UCI (Cycling)
UCI (Mountain Biking)
Ude-garame (Judo)
Ude-gatame (Judo)
UEFA (Soccer)
UIM (Powerboat Racing)
Uke (Aikido)
Uke (Judo)
Ukemi (Judo)
Ukes (Jiu Jitsu)
Uki-goshi (Judo)
Uki-otoshi (Judo)
Uki-waza (Judo)
Umpire (American Football)
Umpire (Badminton)
Umpire (Cricket)
Umpire (Tennis)
Umpires (Baseball)
Umpires (Field Hockey)
Umpires (Polo)
Unbend (Yachting)
Unblown (Drag Racing)
Under-arm pass (Netball)
Under-arm serve (Volleyball)
Under-the-neck shots (Polo)
Undergrasp (Women's Gymnastics)
Understeer (Formula One)
Understeer (IndyCars)
Understeer (Karting)
Understeer (Motocross)
Understeer (NASCAR)
Understeer (Rally Driving)
Understeer (Stock Car Racing)
UndersteerWhen (Rallycross)
Underswing (Women's Gymnastics)
Uchi-mata (Judo)
UCI (Cycling)
UCI (Mountain Biking)
Ude-garame (Judo)
Ude-gatame (Judo)
UEFA (Soccer)
UIM (Powerboat Racing)
Uke (Aikido)
Uke (Judo)
Ukemi (Judo)
Ukes (Jiu Jitsu)
Uki-goshi (Judo)
Uki-otoshi (Judo)
Uki-waza (Judo)
Umpire (American Football)
Umpire (Badminton)
Umpire (Cricket)
Umpire (Tennis)
Umpires (Baseball)
Umpires (Field Hockey)
Umpires (Polo)
Unbend (Yachting)
Unblown (Drag Racing)
Under-arm pass (Netball)
Under-arm serve (Volleyball)
Under-the-neck shots (Polo)
Undergrasp (Women's Gymnastics)
Understeer (Formula One)
Understeer (IndyCars)
Understeer (Karting)
Understeer (Motocross)
Understeer (NASCAR)
Understeer (Rally Driving)
Understeer (Stock Car Racing)
UndersteerWhen (Rallycross)
Underswing (Women's Gymnastics)
Undertray (Formula One)
Underweight (Formula One)
Undulation (Swimming)
Uneven bars (Women's Gymnastics)
Unforced error (Table Tennis)
Unification fight (Boxing)
Uniform (Basketball)
Uniform (Fencing)
Uniform (Lacrosse)
Unknown distance (Cycling)
Unplayable ball (Golf)
Unweighted ski (Skiing)
Unweighting (Skateboarding)
Unweighting (Skiing)
Up and down (Cross Country Running - Mountain/Fell Running)
Up the banking (Cycling)
Uphaul (Windsurfing)
Uphill only (Cross Country Running - Mountain/Fell Running)
Uphill turn (Skiing)
Upper ski (Skiing)
Upper-arm support (Women's Gymnastics)
Uppercut (Boxing)
Upright (Show Jumping)
Upright spin (Figure Skating)
Upright tackle (Rugby League)
Uprights (Hang gliding)
Upsweep (Track Events - Relay Events)
Upward swing (Women's Gymnastics)
US Open (Golf)
USAC (Stock Car Racing)
Ushiro-kesa-gatame (Judo)
USPA (Polo)
Utchari (Sumo Wrestling)
Utility wood (Golf)
Utilization (Figure Skating)
Uwate-nage (Sumo Wrestling)
Underweight (Formula One)
Undulation (Swimming)
Uneven bars (Women's Gymnastics)
Unforced error (Table Tennis)
Unification fight (Boxing)
Uniform (Basketball)
Uniform (Fencing)
Uniform (Lacrosse)
Unknown distance (Cycling)
Unplayable ball (Golf)
Unweighted ski (Skiing)
Unweighting (Skateboarding)
Unweighting (Skiing)
Up and down (Cross Country Running - Mountain/Fell Running)
Up the banking (Cycling)
Uphaul (Windsurfing)
Uphill only (Cross Country Running - Mountain/Fell Running)
Uphill turn (Skiing)
Upper ski (Skiing)
Upper-arm support (Women's Gymnastics)
Uppercut (Boxing)
Upright (Show Jumping)
Upright spin (Figure Skating)
Upright tackle (Rugby League)
Uprights (Hang gliding)
Upsweep (Track Events - Relay Events)
Upward swing (Women's Gymnastics)
US Open (Golf)
USAC (Stock Car Racing)
Ushiro-kesa-gatame (Judo)
USPA (Polo)
Utchari (Sumo Wrestling)
Utility wood (Golf)
Utilization (Figure Skating)
Uwate-nage (Sumo Wrestling)