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

Riders

Derek Chatterton

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

Nationality: United Kingdom

Birth date and place from the official rider profile

Career

Made a Grand Prix debut in 250cc at Ulster in 1970.

In 250cc (1970–1972): 2 starts, 0 wins, 0 podiums. In 350cc (1972–1973): 2 starts, 0 wins, 0 podiums. In 500cc (1973): 1 starts, 0 wins, 0 podiums. In 350cc (1975): 1 starts, 0 wins, 0 podiums. In 250cc (1975): 1 starts, 0 wins, 1 podiums.

First podium: Isle of Man 1975 (250cc).

In all, 7 Grand Prix starts, 0 wins and 1 podiums (within the official results database).

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

Note: these totals are incomplete. The official data has no result for 1 races in seasons and classes this rider raced in; they are not counted: 1970 250cc (TT)

Season by season

250cc350cc500cc ★ Champion

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

Teams in years without official results: 1976 350cc / 1973 250cc / 1972 500cc / 1969 250cc / 1967 250cc

Scope: official results DB, 1970–1977 (the rider's racing years); excludes 1 races with no official result data

Totals

250cc1970–1975

Win rate0.0%

Podium rate33.3%

Average finish (when classified)avg P5.3

20 pts · Poles 0

350cc1972–1975

Win rate0.0%

Podium rate0.0%

Average finish (when classified)avg P5.3

18 pts · Poles 0

Includes 1 points from races with no result in the official records (counted from the official standings).

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

500cc1973–1977

Win rate0.0%

Podium rate0.0%

Average finish (when classified)avg P7.0

8 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, 1970–1977 (the rider's racing years); excludes 1 races with no official result data

Against the greats, and the class of their debut

Grand Prix debut in 1970. Of the 65 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 9 races · 250cc / 350cc / 500cc

By circuit (best average first)Small sample

Isle of Man350cc 3 · 250cc 2avg P5.0

Assen350cc 1 · 500cc 1avg P7.0

Silverstone500cc 1avg P7.0

Ulster250cc 1avg P7.0

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 2 races · 1973–1977

By circuit (best average first)Small sample

Assen1 racesavg P7.0

Silverstone1 racesavg P7.0

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

250cc 3 races · 1970–1975

By circuit (best average first)Small sample

Isle of Man2 racesavg P4.5

Ulster1 racesavg P7.0

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

350cc 4 races · 1972–1975

By tyre eraSmall sample

Win rate

Podium rate

Average finish (when classified)

By circuit (best average first)Small sample

Isle of Man3 racesavg P5.3

Assen1 races—

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, 1970–1977 (the rider's racing years); excludes 1 races with no official result data

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, 1970–1977 (the rider's racing years); excludes 1 races with no official result data

1972	Isle of Man	5 +6
1973	Isle of Man	6 +5
1973	Assen	DNF
1975	Isle of Man	5 +6

1973	Assen			7 +4
1977	Silverstone			7 +4