As of round 17 Race · updated 10/13/2026, 07:18 PM (Japan time)

Riders

Dirk Heidolf

No freely licensed photo found, so the race number and team colour are shown instead. About photos

Nationality: Germany
Number: 28
Team (2007 250cc): Kiefer - Bos - Sotin Racing
Bike: Aprilia
Born: September 14, 1976(age 50)
Birthplace: Hohenstein
Height / weight: 171 cm / 65 kg (official profile, fetched October 2026; weight and height change over time)

Birth date and place from the official rider profile

Career

Made a Grand Prix debut in 125cc at Sachsenring in 1998.

In 125cc (1998): 1 starts, 0 wins, 0 podiums. In 250cc (2000–2007): 89 starts, 0 wins, 0 podiums. Teams: Kiefer-Bos-Castrol Honda, Kiefer - Bos - Racing, Kiefer - Bos - Sotin Racing.

In all, 90 Grand Prix starts, 0 wins and 0 podiums (within the official results database).

Written automatically from the official results database (no opinions about the rider)

Starts with no race result

The official records keep only the qualifying order and the starting grid for these races; the race result is missing (the official site has none either).

Year	Event	Class	Grid	Qualifying
1999	German GP	250cc	28	1'32.437

Season by season

125cc250cc ★ Champion

The strip shows each year's team (team colour). Tap for team and machine

Scope: official results DB, 1997–2007 (the rider's racing years)

Totals

125cc1997–1998

Win rate0.0%

Podium rate0.0%

Average finish (when classified)avg P20.0

0 pts · Poles 0

1 of these races have no result in the official data; their results come from the Italian Wikipedia.

250cc2000–2007

Win rate0.0%

Podium rate0.0%

Average finish (when classified)avg P15.1

108 pts · Poles 0

Points are counted per class, never added across classes. Tap a number for the list of races | Scope: official results DB, 1997–2007 (the rider's racing years)

Against the greats, and the class of their debut

Grand Prix debut in 1997. Of the 73 riders who debuted that year, 0 also raced in 2026.

Jorge Lorenzo 5 world titles
43 races together: ahead 5, behind 38, both out 0
Dani Pedrosa 3 world titles
30 races together: ahead 2, behind 28, both out 0
Manuel Poggiali 2 world titles
38 races together: ahead 8, behind 27, both out 3
Casey Stoner 2 world titles
29 races together: ahead 5, behind 23, both out 1

Greats: 2+ world titles or 30+ MotoGP / 500cc wins. Up to 4 who shared 10+ races, most titles first. A finisher counts as ahead of a non-finisher.

Results by condition (races)

All classes 91 races · 125cc / 250cc

By circuit (best average first)Small sample

In All classes, best at Brno (average P13.2, 6 races)

Brno250cc 6avg P13.2

Phillip Island250cc 6avg P13.4

Sepang250cc 6avg P13.4

Jerez250cc 6avg P14.0

Estoril250cc 6avg P14.0

Welkom250cc 3avg P14.0

Istanbul250cc 3avg P14.3

Rio250cc 3avg P14.3

Shanghai250cc 3avg P15.0

Sachsenring125cc 1 · 250cc 8avg P15.4

Donington250cc 5avg P15.5

Lusail250cc 4avg P16.0

Valencia250cc 6avg P16.3

Le Mans250cc 6avg P17.0

Mugello250cc 4avg P17.0

Motegi250cc 6avg P17.8

Assen250cc 3avg P18.3

Catalunya250cc 3avg P21.0

Misano250cc 1—

Suzuka250cc 1—

Nürburgring125cc 1—

Average finish across classes (Moto3, Moto2, MotoGP and so on together). See each class below for class-only figures. Only circuits with 3+ races count as a best track.

250cc 89 races · 2000–2007

Dry / wet

Podium rate: 0.0% dry, 0.0% wet

Win rate

Dry38 races0%(0 wins)

Wet4 races0%(0 wins)

Podium rate

Dry38 races0%(0 podiums)

Wet4 races0%(0 podiums)

Average finish (when classified)

Dry38 racesavg P14.8

Wet4 racesavg P13.5

47 races without track-condition data are not included

By grid position

Starting Grid 10–15: average finish 13.9

average grid average finish (classified)

Grid 10–15	13.9 → 13.9	0 wins / 13 races
Grid 16〜	20.3 → 15.6	0 wins / 57 races

By circuit (best average first)Small sample

In 250cc, best at Brno (average P13.2, 6 races)

Brno6 racesavg P13.2

Phillip Island6 racesavg P13.4

Sepang6 racesavg P13.4

Jerez6 racesavg P14.0

Estoril6 racesavg P14.0

Welkom3 racesavg P14.0

Istanbul3 racesavg P14.3

Rio3 racesavg P14.3

Sachsenring8 racesavg P14.9

Shanghai3 racesavg P15.0

Donington5 racesavg P15.5

Lusail4 racesavg P16.0

Valencia6 racesavg P16.3

Le Mans6 racesavg P17.0

Mugello4 racesavg P17.0

Motegi6 racesavg P17.8

Assen3 racesavg P18.3

Catalunya3 racesavg P21.0

Misano1 races—

Suzuka1 races—

250cc: all in the Multiple suppliers era.

125cc 2 races · 1997–1998

By circuit (best average first)Small sample

Sachsenring1 racesavg P20.0

Nürburgring1 races—

125cc: all in the Multiple suppliers era; no track-condition records; always on the grid Grid 16〜.

Fewer than 30 races: small sample (dashed). Average finish counts classified finishes only | Scope: official results DB, 1997–2007 (the rider's racing years)

Distance ridden and distance travelled

Counted from 1949 (lap lengths before 1998 researched from published sources: estimates)1 races with an estimated lap length

Ridden on the bike

Every session

at least 15,527 miles
0.6× around the Earth · 5,392 laps

Time on the bike: at least 150 hours (6.3 days)
Average 138.1 km/h, top 274.4 km/h
Time and average speed only from 2005–2007, the seasons with every session's lap analysis

Travelled between circuits

at least 294,078 miles
11.8× around the Earth · at least 26.5 days

From 1949. Every session in the seasons with the lap analysis documents, races only before. Tests not included. Laps × that year's lap length.A minimum, calculated from straight-line distances between circuits. Connections, tests and trips home are not included, so the real figures are longer.

Every race

89.7%Start rate (87/97)

4Longest run of absences (races)

24Longest run of starts (races)

5.3Estimated points lost to absences

1Win3Podium8Points18No pointsRRetired–Absent

2002 250cc P20 · 17 pts

2003 250cc P21 · 26 pts

2004 250cc P23 · 13 pts

2005 250cc P22 · 13 pts

2006 250cc P21 · 15 pts

2007 250cc P20 · 24 pts

Tap a cell for the event, qualifying, sprint and race results and points

? How the estimate is made

Estimate = average of the last 3 races before each absence

Seasons in which at least half of the races were started | Scope: official results DB, 1997–2007 (the rider's racing years)

2000	Sachsenring	grid 32	20
2001	Sachsenring	grid 25	16
2002	Welkom		14 +2
2002	Jerez	grid 25	Out on lap 1
2002	Le Mans	grid 23	18
2002	Mugello	grid 21	DNF
2002	Catalunya	grid 25	21
2002	Assen	grid 20	20
2002	Donington	grid 18	18
2002	Sachsenring	grid 16	12 +4
2002	Brno	grid 22	14 +2
2002	Estoril	grid 21	9 +7
2002	Rio	grid 24	14 +2
2002	Motegi	grid 25	20
2002	Sepang	grid 16	18
2002	Phillip Island	grid 21	16
2002	Valencia	grid 22	19
2003	Suzuka		Out on lap 1
2003	Welkom		DNF
2003	Jerez	grid 20	15 +1
2003	Le Mans		DNF
2003	Donington		15 +1
2003	Sachsenring		11 +5
2003	Brno		13 +3
2003	Estoril	grid 18	17
2003	Rio	grid 20	14 +2
2003	Motegi		14 +2
2003	Sepang		11 +5
2003	Phillip Island	grid 17	13 +3
2003	Valencia	grid 18	12 +4
2004	Welkom		14 +2
2004	Jerez	grid 22	16
2004	Le Mans	grid 17	16
2004	Mugello	grid 24	Out on lap 1
2004	Catalunya	grid 25	DNF
2004	Rio	grid 24	15 +1
2004	Sachsenring	grid 15	18
2004	Donington	grid 22	17
2004	Brno	grid 23	11 +5
2004	Estoril	grid 17	15 +1
2004	Motegi	grid 23	21
2004	Lusail	grid 19	DNF
2004	Sepang	grid 21	12 +4
2004	Phillip Island	grid 24	DNF
2004	Valencia	grid 19	18
2005	Jerez		DNF
2005	Estoril		16
2005	Shanghai		15 +1
2005	Le Mans		Out on lap 1
2005	Mugello		Out on lap 1
2005	Assen		19
2005	Donington		DNF
2005	Sachsenring		13 +3
2005	Brno	grid 20	DNF
2005	Motegi		18
2005	Sepang	grid 15	11 +5
2005	Lusail	grid 22	18
2005	Phillip Island	grid 21	12 +4
2005	Istanbul	grid 21	16
2005	Valencia	grid 11	DNF
2006	Jerez	grid 12	15 +1
2006	Lusail	grid 15	15 +1
2006	Istanbul	grid 15	14 +2
2006	Shanghai	grid 13	15 +1
2006	Le Mans	grid 20	18
2006	Sachsenring	grid 14	16
2006	Brno	grid 15	11 +5
2006	Sepang	grid 14	DNF
2006	Phillip Island	grid 15	11 +5
2006	Motegi	grid 21	16
2006	Estoril	grid 17	16
2006	Valencia	grid 16	DNF
2007	Lusail	grid 18	15 +1
2007	Jerez	grid 17	10 +6
2007	Istanbul	grid 19	13 +3
2007	Shanghai	grid 14	DNF
2007	Le Mans	grid 16	16
2007	Mugello	grid 16	17
2007	Catalunya	grid 17	DNF
2007	Donington	grid 19	12 +4
2007	Assen	grid 22	16
2007	Sachsenring	grid 13	13 +3
2007	Brno	grid 16	17
2007	Misano	grid 19	DNF
2007	Estoril	grid 16	11 +5
2007	Motegi	grid 20	DNF
2007	Phillip Island	grid 17	15 +1
2007	Sepang	grid 19	15 +1
2007	Valencia	grid 18	16