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

Riders

R. Schlachter

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

Nationality
United States United States
Number
10

Birth date and place from the official rider profile

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Career

Made a Grand Prix debut in 250cc at Hockenheim in 1981.

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In 250cc (1981–1982): 4 starts, 0 wins, 0 podiums.

In all, 4 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

250cc ★ Champion

1510152025198119821981 250cc: P10 / 25 pts / 0 wins1982 250cc: P29 / 4 pts / 0 wins250cc

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

Scope: official results DB, 1981–1982 (the rider's racing years)

Totals

250cc1981–1982
Win rate0.0%
Podium rate0.0%
Average finish (when classified)avg P8.3

29 pts · Poles 0

5 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, 1981–1982 (the rider's racing years)

Against the greats, and the class of their debut

Grand Prix debut in 1981. Of the 51 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)

250cc 9 races · 1981–1982

By circuit (best average first)Small sample

Jarama1 racesavg P4.0
Silverstone1 racesavg P4.0
Hockenheim1 racesavg P6.0
Anderstorp2 racesavg P8.5
Mugello1 racesavg P10.0
Assen2 racesavg P12.5
Brno1 races—

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

Fewer than 30 races: small sample (dashed). Average finish counts classified finishes only | Scope: official results DB, 1981–1982 (the rider's racing years)

Distance ridden and distance travelled

Counted from 1949 (lap lengths before 1998 researched from published sources: estimates)4 races with an estimated lap length

Ridden on the bike

Every session

at least 264 miles
0.0× around the Earth · 81 laps

Travelled between circuits

at least 2,271 miles
0.1× around the Earth · at least 0.3 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

50%Start rate (6/12)
2Longest run of absences (races)
2Longest run of starts (races)
26Estimated points lost to absences
1Win3Podium8Points18No pointsRRetired–Absent
1981 250cc P10 · 25 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, 1981–1982 (the rider's racing years)

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