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

Riders

Sadao Shimazaki

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

Nationality
Japan Japan

Birth date and place from the official rider profile

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Career

Made a Grand Prix debut in 125cc at Isle of Man in 1961.

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In 125cc (1961–1962): 5 starts, 0 wins, 0 podiums.

In all, 5 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)

Season by season

125cc250cc50cc ★ Champion

12468101219601961196219631961 125cc: P11 / 5 pts / 0 wins125cc1961 250cc: P13 / 3 pts / 0 wins250cc1963 50cc: P13 / 2 pts / 0 wins50cc

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

Scope: official results DB, 1960–1963 (the rider's racing years)

Totals

50cc1962–1963
Win rate0.0%
Podium rate0.0%
Average finish (when classified)avg P8.7

2 pts · Poles 0

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

125cc1960–1962
Win rate0.0%
Podium rate0.0%
Average finish (when classified)avg P6.3

5 pts · Poles 0

250cc1961–1961
Win rate0.0%
Podium rate0.0%
Average finish (when classified)avg P4.0

3 pts · Poles 0

1 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, 1960–1963 (the rider's racing years)

Against the greats, and the class of their debut

Grand Prix debut in 1960. Of the 37 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 11 races · 50cc / 125cc / 250cc

By circuit (best average first)Small sample

In All classes, best at Spa (average P7.7, 4 races)

Buenos Aires125cc 1avg P4.0
Suzuka50cc 1avg P5.0
Spa125cc 2 · 250cc 1 · 50cc 1avg P7.7
Isle of Man125cc 3 · 50cc 1avg P7.7
Assen125cc 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.

50cc 3 races · 1962–1963

By tyre eraSmall sample

Win rate
Podium rate
Average finish (when classified)

By circuit (best average first)Small sample

Suzuka1 racesavg P5.0
Isle of Man1 racesavg P10.0
Spa1 racesavg P11.0

50cc: no track-condition records; no grid records.

125cc 7 races · 1960–1962

By circuit (best average first)Small sample

Buenos Aires1 racesavg P4.0
Isle of Man3 racesavg P6.5
Spa2 racesavg P8.0
Assen1 races—

125cc: all in the Multiple suppliers era; no track-condition records; no grid records.

250cc 1 races · 1961

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

Fewer than 30 races: small sample (dashed). Average finish counts classified finishes only | Scope: official results DB, 1960–1963 (the rider's racing years)

Every race

No season as a regular (starting at least half of the races)

? 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, 1960–1963 (the rider's racing years)

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