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

Riders

Boet Van Dulmen

Nationality: Netherlands
Bike: Honda
Born: May 19, 1948(age 78)

Photos (15)

1976
Hans Peters for Anefo · CC0
1976
Rob Bogaerts (ANEFO) · CC0
1976
Hans Peters for Anefo · CC0
1976
Hans Peters for Anefo · CC0
1978
At this race · Koen Suyk / Anefo · CC0
1979
At this race · Rob Bogaerts (ANEFO) · CC0
1981
At this race · Hans van Dijk for Anefo · CC0
1981
At this race · Hans van Dijk for Anefo · CC0
1981
At this race · Hans van Dijk for Anefo · CC0
1981
At this race · Hans van Dijk for Anefo · CC0
1981
At this race · Hans van Dijk for Anefo · CC0
1982
At this race · Hans van Dijk for Anefo · CC0
2005
Piero at Dutch Wikipedia · CC BY-SA 3.0
2025
HenkvD · CC BY-SA 4.0
Henry ten Dam · CC BY-SA 3.0

Freely licensed photos from Wikimedia Commons. Tap a photo for its source page (photographer, licence). The year is when it was taken.

Birth date and place from the official rider profile

Career

Made a Grand Prix debut in 350cc at Imatra in 1975.

In 350cc (1975): 1 starts, 0 wins, 0 podiums. In 500cc (1976): 1 starts, 0 wins, 0 podiums. In 350cc (1976): 1 starts, 0 wins, 0 podiums. In 250cc (1976): 1 starts, 0 wins, 0 podiums. In 500cc (1977–1986): 55 starts, 1 wins, 3 podiums.

First podium: Karlskoga 1979 (500cc). First win: Imatra 1979 (500cc).

In all, 59 Grand Prix starts, 1 wins and 3 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
1979	Austrian GP	500cc	3
1979	BELGIUM GRAND PRIX	500cc	4
1979	French GP	500cc	12
1980	NATIONS GRAND PRIX	500cc	11
1980	French GP	500cc	7
1980	WEST GERMANY GRAND PRIX	500cc	12
1982	British GP	500cc	5
1986	French GP	500cc	18

Note: these totals are incomplete. The official data has no result for 3 races in seasons and classes this rider raced in; they are not counted: 1974 350cc (TT) / 1975 500cc (TT) / 1976 350cc (TT)

Season by season

250cc350cc500cc ★ Champion

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

Scope: official results DB, 1974–1986 (the rider's racing years); excludes 3 races with no official result data

Totals

250cc1974–1976

Win rate0.0%

Podium rate0.0%

Average finish (when classified)avg P16.0

4 pts · Poles 0

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

350cc1974–1976

Win rate0.0%

Podium rate0.0%

Average finish (when classified)avg P9.0

9 pts · Poles 0

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

500cc1975–1986

Win rate1.1%

Podium rate4.5%

Average finish (when classified)avg P8.8

242 pts · Poles 1

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

Points are counted per class, never added across classes. Tap a number for the list of races | Scope: official results DB, 1974–1986 (the rider's racing years); excludes 3 races with no official result data

Against the greats, and the class of their debut

Grand Prix debut in 1974. Of the 71 riders who debuted that year, 0 also raced in 2026.

Giacomo Agostini 15 world titles
12 races together: ahead 3, behind 9, both out 0
Eddie Lawson 4 world titles
43 races together: ahead 2, behind 41, both out 0
Kork Ballington 4 world titles
18 races together: ahead 9, behind 9, both out 0
Kenny Roberts 3 world titles
42 races together: ahead 7, behind 34, 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 96 races · 250cc / 350cc / 500cc

By circuit (best average first)Small sample

In All classes, best at Monza (average P5.0, 3 races)

Karlskoga500cc 1avg P3.0

Monza500cc 3avg P5.0

Imatra350cc 1 · 500cc 4avg P5.3

Assen350cc 1 · 500cc 8avg P6.7

Montjuïc350cc 1 · 250cc 1avg P7.5

Hockenheim500cc 6avg P8.2

Imola500cc 4avg P8.5

Spa250cc 1 · 500cc 7avg P8.9

Nürburgring500cc 4avg P9.0

Anderstorp500cc 6avg P9.2

Salzburgring500cc 9avg P9.2

Silverstone500cc 8avg P9.5

Rijeka500cc 6avg P9.5

Jarama500cc 6avg P9.6

Mugello350cc 1 · 500cc 3avg P9.8

Paul Ricard500cc 3avg P10.0

Le Mans500cc 2avg P10.0

Buenos Aires500cc 1avg P11.0

Kyalami500cc 3avg P12.5

Misano500cc 3avg P14.0

Brno250cc 1 · 500cc 2avg P17.5

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.

500cc 89 races · 1975–1986

By grid position

From Grid 10–15, they move up from an average grid of 11.8 to an average finish of 8.2

average grid average finish (classified)

Grid 1–3	2.0 → 3.3	1 wins / 3 races
Grid 4–6	5.5 → 4.2	0 wins / 6 races
Grid 7–9	8.1 → 8.0	0 wins / 10 races
Grid 10–15	11.8 → 8.2	0 wins / 32 races
Grid 16〜	21.0 → 12.2	0 wins / 15 races

By circuit (best average first)Small sample

In 500cc, best at Imatra (average P4.0, 4 races)

Karlskoga1 racesavg P3.0

Imatra4 racesavg P4.0

Monza3 racesavg P5.0

Assen8 racesavg P6.0

Spa7 racesavg P8.0

Brno2 racesavg P8.0

Hockenheim6 racesavg P8.2

Imola4 racesavg P8.5

Nürburgring4 racesavg P9.0

Anderstorp6 racesavg P9.2

Salzburgring9 racesavg P9.2

Silverstone8 racesavg P9.5

Rijeka6 racesavg P9.5

Jarama6 racesavg P9.6

Paul Ricard3 racesavg P10.0

Le Mans2 racesavg P10.0

Mugello3 racesavg P10.3

Buenos Aires1 racesavg P11.0

Kyalami3 racesavg P12.5

Misano3 racesavg P14.0

500cc: all in the Multiple suppliers era; no track-condition records.

250cc 3 races · 1974–1976

By circuit (best average first)Small sample

Montjuïc1 racesavg P7.0

Spa1 racesavg P14.0

Brno1 racesavg P27.0

250cc: all in the Multiple suppliers era; no track-condition records; no grid records.

350cc 4 races · 1974–1976

By tyre eraSmall sample

Win rate

Podium rate

Average finish (when classified)

By circuit (best average first)Small sample

Mugello1 racesavg P8.0

Montjuïc1 racesavg P8.0

Imatra1 racesavg P8.0

Assen1 racesavg P12.0

350cc: no track-condition records; no grid records.

Fewer than 30 races: small sample (dashed). Average finish counts classified finishes only | Scope: official results DB, 1974–1986 (the rider's racing years); excludes 3 races with no official result data

Distance ridden and distance travelled

Counted from 1949 (lap lengths before 1998 researched from published sources: estimates)48 races with an estimated lap length

Ridden on the bike

Every session

at least 3,711 miles
0.1× around the Earth · 1,260 laps

Travelled between circuits

at least 13,350 miles
0.5× around the Earth · at least 1.6 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

81.7%Start rate (76/93)

3Longest run of absences (races)

21Longest run of starts (races)

41.8Estimated points lost to absences

1Win3Podium8Points18No pointsRRetired–Absent

1978 500cc P13 · 15 pts

1979 500cc P6 · 50 pts

1980 no Grand Prix starts

1981 500cc P6 · 64 pts

1982 500cc P12 · 23 pts

1983 500cc P11 · 17 pts

1984 500cc P8 · 25 pts

1985 500cc P10 · 18 pts

1986 500cc P12 · 8 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, 1974–1986 (the rider's racing years); excludes 3 races with no official result data

1975	Salzburgring		16
1976	Le Mans		10 +1
1976	Salzburgring		13
1976	Brno		8 +3
1976	Nürburgring		6 +5
1977	Hockenheim		10 +1
1977	Imola		9 +2
1977	Paul Ricard		12
1977	Brno		DNF
1977	Silverstone		DNF
1978	Jarama		11
1978	Salzburgring		8 +3
1978	Mugello		9 +2
1978	Assen		8 +3
1978	Imatra	grid 11	7 +4
1978	Silverstone		DNF
1978	Nürburgring	grid 10	8 +3
1979	Hockenheim	grid 7	DNF
1979	Imola	grid 12	DNF
1979	Jarama	grid 5	6 +5
1979	Rijeka	grid 3	5 +6
1979	Assen	grid 10	4 +8
1979	Karlskoga	grid 6	3 +10
1979	Imatra	grid 1	1 +15
1979	Silverstone	grid 10	5 +6
1980	Assen	grid 10	4 +8
1980	Spa	grid 15	9 +2
1980	Imatra	grid 11	DNF
1981	Salzburgring	grid 6	5 +6
1981	Hockenheim	grid 2	4 +8
1981	Monza	grid 9	4 +8
1981	Paul Ricard	grid 10	8 +3
1981	Rijeka	grid 8	7 +4
1981	Assen	grid 6	2 +12
1981	Spa	grid 7	5 +6
1981	Imola	grid 9	DNF
1981	Silverstone	grid 9	6 +5
1981	Imatra	grid 5	DNF
1981	Anderstorp	grid 10	2 +12
1982	Buenos Aires	grid 13	11
1982	Salzburgring	grid 5	5 +6
1982	Assen	grid 12	6 +5
1982	Spa	grid 7	7 +4
1982	Rijeka	grid 15	11
1982	Anderstorp	grid 13	7 +4
1982	Hockenheim	grid 12	7 +4
1983	Kyalami	grid 23	DNF
1983	Monza	grid 26	DNF
1983	Hockenheim	grid 11	10 +1
1983	Jarama	grid 17	11
1983	Salzburgring	grid 11	10 +1
1983	Rijeka	grid 11	7 +4
1983	Assen	grid 8	8 +3
1983	Spa	grid 10	9 +2
1983	Silverstone	grid 27	8 +3
1983	Anderstorp	grid 14	12
1983	Imola	grid 11	8 +3
1984	Kyalami		7 +4
1984	Misano	grid 10	7 +4
1984	Jarama	grid 11	5 +6
1984	Salzburgring		8 +3
1984	Nürburgring	grid 10	9 +2
1984	Paul Ricard	grid 8	DNF
1984	Spa	grid 17	DNF
1984	Silverstone	grid 9	19
1984	Anderstorp	grid 14	7 +4
1984	Mugello	grid 29	9 +2
1985	Kyalami	grid 17	18
1985	Jarama		DNF
1985	Hockenheim		10 +1
1985	Mugello	grid 12	13
1985	Salzburgring	grid 10	8 +3
1985	Rijeka		14
1985	Assen	grid 11	4 +8
1985	Spa	grid 14	9 +2
1985	Le Mans	grid 19	DNF
1985	Silverstone	grid 23	7 +4
1985	Anderstorp		14
1985	Misano	grid 25	17
1986	Jarama	grid 17	15
1986	Monza	grid 16	6 +5
1986	Nürburgring	grid 15	13
1986	Salzburgring		10 +1
1986	Rijeka	grid 15	13
1986	Assen	grid 19	12
1986	Spa		9 +2
1986	Silverstone	grid 15	12
1986	Anderstorp	grid 18	13
1986	Misano	grid 22	18