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

Riders

Bastien Chesaux

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

Nationality: Switzerland
Number: 8
Team (2009 250cc): Matteoni Racing
Bike: Aprilia
Born: November 2, 1991(age 34)
Birthplace: Belmont
Height / weight: 176 cm / 66 kg (official profile, fetched October 2026; weight and height change over time)

Birth date and place from the official rider profile

Career

Made a Grand Prix debut in 125cc at Sachsenring in 2008.

In 125cc (2008): 8 starts, 0 wins, 0 podiums. Teams: S3+ WTR San Marino Team. In 250cc (2009): 15 starts, 0 wins, 0 podiums. Teams: Racing Team Germany, Matteoni Racing.

In all, 23 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

125cc250cc ★ Champion

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

Scope: official results DB, 2008–2009 (the rider's racing years)

Totals

125cc2008–2008

Win rate0.0%

Podium rate0.0%

Average finish (when classified)avg P23.2

0 pts · Poles 0

250cc2009–2009

Win rate0.0%

Podium rate0.0%

Average finish (when classified)avg P17.0

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, 2008–2009 (the rider's racing years)

Against the greats, and the class of their debut

Grand Prix debut in 2008. Of the 40 riders who debuted that year, 3 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 24 races · 125cc / 250cc

By circuit (best average first)Small sample

Sachsenring125cc 1 · 250cc 1avg P15.0

Motegi125cc 1 · 250cc 1avg P16.0

Lusail250cc 1avg P16.0

Phillip Island125cc 1 · 250cc 1avg P17.0

Jerez250cc 1avg P17.0

Estoril250cc 1avg P17.0

Sepang125cc 1 · 250cc 1avg P17.5

Mugello250cc 1avg P18.0

Valencia125cc 1 · 250cc 1avg P19.0

Catalunya250cc 1avg P19.0

Misano125cc 1 · 250cc 1avg P22.0

Donington250cc 1avg P22.0

Indianapolis125cc 1 · 250cc 1avg P23.0

Brno125cc 1 · 250cc 1avg P28.0

Le Mans250cc 1—

Assen250cc 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.

250cc 16 races · 2009

Dry / wetSmall sample

Podium rate: 0.0% dry, 0.0% wet

Win rate

Dry11 races0%(0 wins)

Wet4 races0%(0 wins)

Podium rate

Dry11 races0%(0 podiums)

Wet4 races0%(0 podiums)

Average finish (when classified)

Dry11 racesavg P16.5

Wet4 racesavg P18.3

1 races without track-condition data are not included

By circuit (best average first)Small sample

Sepang1 racesavg P14.0

Sachsenring1 racesavg P15.0

Motegi1 racesavg P16.0

Lusail1 racesavg P16.0

Valencia1 racesavg P16.0

Jerez1 racesavg P17.0

Phillip Island1 racesavg P17.0

Estoril1 racesavg P17.0

Mugello1 racesavg P18.0

Catalunya1 racesavg P19.0

Donington1 racesavg P22.0

Le Mans1 races—

Brno1 races—

Assen1 races—

Misano1 races—

Indianapolis1 races—

250cc: all in the Multiple suppliers era; always on the grid Grid 16〜.

125cc 8 races · 2008

By circuit (best average first)Small sample

Sepang1 racesavg P21.0

Misano1 racesavg P22.0

Valencia1 racesavg P22.0

Indianapolis1 racesavg P23.0

Brno1 racesavg P28.0

Sachsenring1 races—

Motegi1 races—

Phillip Island1 races—

125cc: all in the Multiple suppliers era; Dry races only; always on the grid Grid 16〜.

Fewer than 30 races: small sample (dashed). Average finish counts classified finishes only | Scope: official results DB, 2008–2009 (the rider's racing years)

Distance ridden and distance travelled

Counted from 1949 (lap lengths before 1998 researched from published sources: estimates)

Ridden on the bike

Every session

at least 5,659 miles
0.2× around the Earth · 2,014 laps

Time on the bike: at least 66 hours (2.8 days)
Average 138 km/h, top 269.5 km/h
Time and average speed only from 2008–2009, the seasons with every session's lap analysis

Travelled between circuits

at least 79,815 miles
3.2× around the Earth · at least 7.2 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

100%Start rate (16/16)

0Longest run of absences (races)

16Longest run of starts (races)

0Estimated points lost to absences

1Win3Podium8Points18No pointsRRetired–Absent

2009 250cc P25 · 3 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, 2008–2009 (the rider's racing years)

2008	Sachsenring	grid 38	DNF
2008	Brno	grid 34	28
2008	Misano	grid 38	22
2008	Indianapolis	grid 34	23
2008	Motegi	grid 39	DNF
2008	Phillip Island	grid 28	DNF
2008	Sepang	grid 33	21
2008	Valencia	grid 39	22

2009	Lusail	grid 21	16
2009	Motegi	grid 23	16
2009	Jerez	grid 22	17
2009	Le Mans	grid 22	Out on lap 1
2009	Mugello	grid 24	18
2009	Catalunya	grid 22	19
2009	Assen	grid 23	DNF
2009	Sachsenring	grid 23	15 +1
2009	Donington	grid 23	22
2009	Brno	grid 21	DNF
2009	Indianapolis	grid 22	Out on lap 1
2009	Misano	grid 21	DNF
2009	Estoril	grid 23	17
2009	Phillip Island	grid 24	17
2009	Sepang	grid 21	14 +2
2009	Valencia	grid 22	16