Motor Sport ColumnEric Holstein and Niall Maguire head Sunday's chase for Dunlop championship points in racing and rallying.

Kildare show jumper Holstein has made a successful transition from horses to horsepower, having won all five rounds of the Dunlop Fiat Abarth Cup.

With three race wins at Mondello Park and two at Anglesey in Wales, Holstein tops the championship points table on 79 to hold a 20-point lead over Bob Copeland (59) with veteran campaigner Gordon Kellett third on 42 and reigning champion Liam Denning back in fourth on 36.

The Fiats are featured at Mondello's Super Race Sunday, along with the Dunlop Supercars and the JG Kelly Supplies-sponsored Formula Ireland. Roscommon driver Emmet Queenan leads Formula Ireland on 49 points from Barry Waugh on 38 with Paul Dagg five points back in third.

Eoin Murray is making his Formula Ireland debut during a break from contesting the Alfa Romeo European Championship

After five rounds of the Dunlop National Rally Championship Niall Maguire, on 78 points, has 28 points in hand over Cathal Arthurs 52, whilst James Harrison is third with 50 points.

Maguire is fancied for a fourth win in Sunday's Ravens Rock Rally run out of Waterford City. Englishman Harrison will push hard and hope his luck will change.

WEEKEND FIXTURES: Saturday: 500MRCI, Motor Racing, Kirkistown, Co Down, 1.00pm.

Saturday and Sunday: Galway MC, Autocross, Beagh, Athlone Road, Ballinasloe, 10.30am.

Sunday: Carrick-On-Suir MC, Ravens Rock Rally, starts Ard Rí Hotel, Waterford, 10.00am; IMRC, Super Race Sunday, Mondello Park, 1.15pm.