Europa Cup

Keohane competed in the British Europa Cup in 1999, taking fourth place in the championship.

Formula Three

Keohane raced in the National Class of the British Formula Three Championship

British Formula Three Championship

The British Formula Three Championship is an international motor racing series that takes place primarily in the United Kingdom with a small number of events in mainland Europe. It is a junior-level feeder formula that uses small single seater Formula Three chassis. Its current official title is...

 in 2001, finishing third in the class with five wins. For 2002 he graduated to the full series, where he finished fifth overall driving for the Carlin Motorsport

Carlin Motorsport

Carlin, formerly Carlin Motorsport, is a motor racing team based in the United Kingdom. It competes in four championships — British Formula Three Championship, GP3 Series, World Series by Renault and GP2 Series.-History:...

 team, with two wins and eight podium finishes. He also took part in the F3 European Cup in 2002

2002 British Formula Three season

The 2002 British Formula Three season was the 52nd British Formula Three Championship season. It commenced on March 31, and ended on September 22 after twenty-six races.-Drivers and teams:The following teams and drivers were competitors in the 2002 season...

, finishing the one-off race in thirteenth place.

He remained in the series for 2003

2003 British Formula Three season

The 2003 British Formula Three season was the 53rd British Formula Three Championship season. It commenced on April 6, and ended on September 28 after twenty-four races.-Drivers and teams:...

, although he did not take part in all the races due to Formula 3000 commitments. Driving for both the Carlin and Promatecme

Promatecme

OAK Racing is a Le Mans-based endurance racing team specialising in Sport-Prototypes that has competed in a number of prestigious international series, including the Intercontinental Le Mans Cup and the Le Mans 24 Hours...

 teams, it was a less successful season, with only a final thirteenth place in the championship.

Formula 3000

Keohane graduated to International Formula 3000 for 2003, driving for Team Astromega

Team Astromega

Team Astromega is a racing team from Belgium, headquartered in Heist-op-den-Berg and created in 1995 by Mikke Van Hool. The team is currently competing in A1 Grand Prix and Formula Renault 1.6 Belgium.-History:...

 as a temporary replacement for Jeffrey van Hooydonk

Jeffrey van Hooydonk

Jeffrey van Hooydonk is a Belgian racing car driver.A native of Antwerp, Van Hooydonk began racing karts in 1990 and graduated to open-wheel racing five years later. For the next three seasons, he was successful in Formula Renault, winning the European Formula Super Renault championship in 1997...

 for two races. He took a best finish of twelfth at Silverstone

Silverstone Circuit

Silverstone Circuit is an English motor racing circuit next to the Northamptonshire villages of Silverstone and Whittlebury. The circuit straddles the Northamptonshire and Buckinghamshire border, with the current main circuit entry on the Buckinghamshire side...

.

World Series by Nissan

For 2004, Keohane briefly moved to the World Series by Nissan

World Series by Renault

The World Series by Renault, formerly the World Series by Nissan from 1998 to 2004, is a motor racing series. The series consists of the flagship Formula Renault 3.5 Series , the Eurocup Formula Renault 2.0 and the Eurocup Mégane Trophy...

, where he competed in two races, again for Carlin.

Complete International Formula 3000 results

(Races in bold indicate pole position; races in italics indicate fastest lap.)

Year	Entrant	1	2	3	4	5	6	7	8	9	10	DC	Points
2003	Team Astromega Team Astromega Team Astromega is a racing team from Belgium, headquartered in Heist-op-den-Berg and created in 1995 by Mikke Van Hool. The team is currently competing in A1 Grand Prix and Formula Renault 1.6 Belgium.-History:...	IMO Autodromo Enzo e Dino Ferrari The Autodromo Internazionale Enzo e Dino Ferrari is an auto racing circuit near the Italian town of Imola, east of Bologna and east of the Ferrari factory in Maranello....	CAT Circuit de Catalunya The Circuit de Catalunya is a racetrack in Montmeló, to the north of Barcelona, Catalonia, Spain. With long straights and a variety of corners, the Circuit de Catalunya is seen as an all-rounder circuit.-History:...	A1R Österreichring The Red Bull Ring is an Austrian race circuit in Spielberg, Styria.The race circuit was founded as Österreichring and hosted the Formula One Austrian Grand Prix for 18 consecutive years, from to . It was later shortened, rebuilt and renamed the A1-Ring, it hosted the Austrian Grand Prix again from...	MON Circuit de Monaco Circuit de Monaco is a street circuit laid out on the city streets of Monte Carlo and La Condamine around the harbour of the principality of Monaco. It is commonly referred to as "Monte Carlo" because it is largely inside the Monte Carlo neighbourhood of Monaco.The circuit is used on one weekend in...	NUR Nürburgring The Nürburgring is a motorsport complex around the village of Nürburg, Germany. It features a modern Grand Prix race track built in 1984, and a much longer old North loop track which was built in the 1920s around the village and medieval castle of Nürburg in the Eifel mountains. It is located about...	MAG Circuit de Nevers Magny-Cours Circuit de Nevers Magny-Cours is a motor racing circuit located in central France, near the towns of Magny-Cours and Nevers, some 250 km from Paris...	SIL Silverstone Circuit Silverstone Circuit is an English motor racing circuit next to the Northamptonshire villages of Silverstone and Whittlebury. The circuit straddles the Northamptonshire and Buckinghamshire border, with the current main circuit entry on the Buckinghamshire side... 12	HOC Hockenheimring The Hockenheimring Baden-Württemberg is an automobile racing track situated near the town of Hockenheim in Baden-Württemberg, Germany, located on Bertha Benz Memorial Route. Amongst other motor racing events, it biennially hosts the Formula One German Grand Prix... Ret	HUN Hungaroring The Hungaroring is a racing circuit in Mogyoród, near Budapest, Hungary where the Formula One Hungarian Grand Prix is held. In 1986, it became the location of the first Formula One Grand Prix behind the Iron Curtain. Bernie Ecclestone wanted a race in the USSR, but a Hungarian friend of his...	MNZ Autodromo Nazionale Monza The Autodromo Nazionale Monza is a race track located near the town of Monza, north of Milan, in Italy. The circuit's biggest event is the Formula One Italian Grand Prix, which has been hosted there since the sport's inception....	NC	0