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

Riders

Tadahiko Taira (photo from Wikimedia Commons)
Rikita · CC BY-SA 3.0 · 1989 · Wikimedia Commons

Tadahiko Taira

Nationality
Japan Japan
Bike
Yamaha
Born
November 12, 1956(age 69)

Birth date and place from the official rider profile

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Career

Made a Grand Prix debut in 500cc at Assen in 1984.

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In 500cc (1984–1985): 3 starts, 0 wins, 0 podiums. In 250cc (1986): 8 starts, 1 wins, 1 podiums. In 500cc (1987–1991): 20 starts, 0 wins, 1 podiums.

First podium: Misano 1986 (250cc). First win: Misano 1986 (250cc).

In all, 31 Grand Prix starts, 1 wins and 2 podiums (within the official results database).

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

Season by season

500cc250cc ★ Champion

15101520198419851986198719881989199019911984 500cc: P16 / 10 pts / 0 wins1985 500cc: P23 / 2 pts / 0 wins1987 500cc: P6 / 56 pts / 0 wins1988 500cc: P15 / 36 pts / 0 wins1989 500cc: P14 / 39 pts / 0 wins1990 500cc: P23 / 10 pts / 0 wins500cc1986 250cc: P9 / 28 pts / 1 wins250cc

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

Scope: official results DB, 1984–1991 (the rider's racing years)

Totals

250cc1986–1986
Win rate10.0%
Podium rate10.0%
Average finish (when classified)avg P9.8

28 pts · Poles 0

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

500cc1984–1991
Win rate0.0%
Podium rate3.1%
Average finish (when classified)avg P8.1

153 pts · Poles 2

9 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, 1984–1991 (the rider's racing years)

Against the greats, and the class of their debut

Grand Prix debut in 1984. Of the 87 riders who debuted that year, 0 also raced in 2026.

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 42 races · 250cc / 500cc

By circuit (best average first)Small sample

In All classes, best at Brno (average P5.7, 3 races)

Misano250cc 1 · 500cc 1avg P2.5
Hockenheim500cc 1avg P4.0
Brno500cc 3avg P5.7
Phillip Island500cc 2avg P6.0
Suzuka500cc 5avg P6.3
Rijeka250cc 1 · 500cc 1avg P7.0
Goiânia500cc 1avg P7.0
Jerez500cc 2avg P7.5
Spa500cc 1 · 250cc 1avg P7.5
Buenos Aires500cc 1avg P8.0
Salzburgring500cc 2 · 250cc 1avg P8.7
Donington500cc 2avg P9.0
Nürburgring250cc 1avg P9.0
Assen500cc 2 · 250cc 1avg P10.0
Paul Ricard250cc 1avg P10.0
Imola500cc 1avg P10.0
Anderstorp250cc 1 · 500cc 3avg P12.5
Monza250cc 1 · 500cc 1avg P14.0
Mugello500cc 1avg P15.0
Silverstone250cc 1—
Laguna Seca500cc 1—
Jarama500cc 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.

500cc 32 races · 1984–1991

By grid positionSmall sample

From Grid 10–15, they move up from an average grid of 11.0 to an average finish of 8.1

average grid average finish (classified)

151015Starting Grid 1–3: average grid 2.2 → average finish 5.5 (6 races, 0 wins)Grid 1–3Starting Grid 4–6: average grid 4.8 → average finish 8.0 (5 races, 0 wins)Grid 4–6Starting Grid 7–9: average grid 8.2 → average finish 9.5 (6 races, 0 wins)Grid 7–9Starting Grid 10–15: average grid 11.0 → average finish 8.1 (12 races, 0 wins)Grid 10–15Starting Grid 16〜: average grid 16.0 → average finish 14.0 (1 races, 0 wins)Grid 16〜
Grid 1–32.2 → 5.50 wins / 6 races
Grid 4–64.8 → 8.00 wins / 5 races
Grid 7–98.2 → 9.50 wins / 6 races
Grid 10–1511.0 → 8.10 wins / 12 races
Grid 16〜16.0 → 14.00 wins / 1 races

By circuit (best average first)Small sample

In 500cc, best at Brno (average P5.7, 3 races)

Misano1 racesavg P4.0
Hockenheim1 racesavg P4.0
Brno3 racesavg P5.7
Phillip Island2 racesavg P6.0
Spa1 racesavg P6.0
Monza1 racesavg P6.0
Suzuka5 racesavg P6.3
Goiânia1 racesavg P7.0
Rijeka1 racesavg P7.0
Jerez2 racesavg P7.5
Buenos Aires1 racesavg P8.0
Donington2 racesavg P9.0
Salzburgring2 racesavg P9.0
Imola1 racesavg P10.0
Assen2 racesavg P12.0
Anderstorp3 racesavg P12.3
Mugello1 racesavg P15.0
Laguna Seca1 races—
Jarama1 races—

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

250cc 10 races · 1986

By circuit (best average first)Small sample

Misano1 racesavg P1.0
Assen1 racesavg P6.0
Salzburgring1 racesavg P8.0
Nürburgring1 racesavg P9.0
Spa1 racesavg P9.0
Paul Ricard1 racesavg P10.0
Anderstorp1 racesavg P13.0
Monza1 racesavg P22.0
Silverstone1 races—
Rijeka1 races—

250cc: all in the Multiple suppliers era; no track-condition records; always on the grid Grid 1–3.

Fewer than 30 races: small sample (dashed). Average finish counts classified finishes only | Scope: official results DB, 1984–1991 (the rider's racing years)

Distance ridden and distance travelled

Counted from 1949 (lap lengths before 1998 researched from published sources: estimates)35 races with an estimated lap length

Ridden on the bike

Every session

at least 2,441 miles
0.1× around the Earth · 830 laps

Travelled between circuits

at least 83,357 miles
3.3× around the Earth · at least 7.4 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

92.3%Start rate (24/26)
1Longest run of absences (races)
17Longest run of starts (races)
2Estimated points lost to absences
1Win3Podium8Points18No pointsRRetired–Absent
1986 250cc P9 · 28 pts
1987 500cc P6 · 56 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, 1984–1991 (the rider's racing years)

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