cover
profile
helmet
Katsumasa
Chiyo
flag
Super GT Japan - GT500

Driver Information

nationality
Japanese
age
36
birthday
9 Dec 1987
hometown
Tokyo
helmet

Driver Information

nationality
Japanese
age
36
birthday
9 Dec 1987
hometown
Tokyo
helmet

Driver Stats

races started
226
races entered
227
wins
20
podiums
57
pole positions
10
fastest laps
13
race win percentage
8.8%
podium percentage
25.2%
driverdb score
1,604

DriverDB Score History

DRIVERDB SCORE
1,604
2019/01/06
Katsumasa Chiyo
1602.8

Recent Results

date
series
circuit
nation
grid
position
points
05
Nov '23
Autobacs Super GT Japan - GT500
Motegi
flag
1
13
15
Oct '23
Autobacs Super GT Japan - GT500
Autopolis
flag
3
17
Sep '23
Autobacs Super GT Japan - GT500
Sugo
flag
9
27
Aug '23
Autobacs Super GT Japan - GT500
Suzuka
flag
12
06
Aug '23
Autobacs Super GT Japan - GT500
Fuji
flag
4
1
04
Jun '23
Autobacs Super GT Japan - GT500
Suzuka
flag
12
4

Competitors

Career Overview

year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan Fairlady Z
NR4S21
Michelin
8
1
3
1
1
races
wins
podiums
pole pos
fastest laps
points
8
1
3
1
1
63
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan Z
Michelin
6
2
2
races
wins
podiums
pole pos
fastest laps
points
6
2
2
66
year
series
team
points
position
2021
B-MAX Engineering
39
10th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo
Nissan 2.0 turbo
Michelin
8
0
1
0
0
races
wins
podiums
pole pos
fastest laps
points
8
0
1
0
0
39
year
series
team
points
position
2020
NDDP Racing with B-Max
29
13th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo
Nissan 2.0 turbo
Michelin
8
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
8
0
0
0
0
29
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3 (2018)
Nissan 3.8 turbo
Pirelli
0
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
0
0
0
0
0
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3 (2018)
Nissan 3.8 turbo
0
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
0
0
0
0
0
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R NISMO
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R NISMO GT3
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
Nissan 3.8 turbo
Pirelli
5
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
5
0
0
0
0
8
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
Nissan 3.8 turbo
Pirelli
1
0
0
0
1
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
1
0
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
Nissan 3.8 turbo
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
year
series
team
points
position
2019
KCMG
0
8th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
Hankook
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
0
year
series
team
points
position
2018
B-MAX Racing Team
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Dallara SF14
Honda
Yokohama
6
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
6
0
0
0
0
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
Nissan 3.8 turbo
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
year
series
team
points
position
2018
NDDP Racing with B-Max
14
17th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R
Nissan 2.0 turbo
Michelin
8
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
8
0
0
0
0
14
year
series
team
points
position
2017
Nissan Motorsport Australia, Motul Team RJN Motorsport
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
Nissan 3.8 turbo
Pirelli
2
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
2
0
0
0
0
year
series
team
points
position
2017
Motul Team RJN Nissan
12
20th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
Pirelli
5
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
5
0
0
0
0
12
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R
Michelin
8
0
1
0
0
races
wins
podiums
pole pos
fastest laps
points
8
0
1
0
0
29
year
series
team
points
position
2017
Nissan Motorsport
0
32nd
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
Nissan 3.8 turbo
races
wins
podiums
pole pos
fastest laps
points
0
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
Nissan 3.8 turbo
Pirelli
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
0
year
series
team
points
position
2016
NISMO Athlete Global Team
0
2nd
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
Nissan 3.8 turbo
races
wins
podiums
pole pos
fastest laps
points
0
year
series
team
points
position
2016
B-MAX Racing Team with NDDP
34
6th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Dallara F315
Volkswagen A41
Yokohama
13
1
3
0
2
races
wins
podiums
pole pos
fastest laps
points
13
1
3
0
2
34
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
NISSAN GT-R NISMO GT500
7
0
1
0
0
races
wins
podiums
pole pos
fastest laps
points
7
0
1
0
0
23
year
series
team
points
position
2016
Nismo Athlete Global Team
0
2nd
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
VR38DETT
Michelin
1
0
1
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
1
0
0
0
year
series
team
points
position
2015
B-Max Racing Team
4
10th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Dallara F312
Toyota 2.0 L4
Yokohama
2
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
2
0
0
0
0
4
year
series
team
points
position
2015
Nissan GT Academy Team RJN
62
1st
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
5
1
2
0
1
races
wins
podiums
pole pos
fastest laps
points
5
1
2
0
1
62
year
series
team
points
position
2015
Gainer
74
2nd
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
6
2
3
0
0
races
wins
podiums
pole pos
fastest laps
points
6
2
3
0
0
74
year
series
team
points
position
2015
Nismo Athlete Global Team
0
1st
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R NISMO GT3
races
wins
podiums
pole pos
fastest laps
points
0
year
series
team
points
position
2015
Nismo Athlete Global Team
0
1st
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R NISMO GT3
Nissan 3.8 turbo
1
1
1
1
1
races
wins
podiums
pole pos
fastest laps
points
1
1
1
1
1
0
year
series
team
points
position
2014
B-Max Racing Team
0
11th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R NISMO GT3
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
0
year
series
team
points
position
2014
Nissan GT Academy Team RJN
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R NISMO GT3
2
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
2
0
0
0
0
year
series
team
points
position
2014
B-Max Racing Team
11
46th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R GT3
3
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
3
0
0
0
0
11
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R NISMO GT3
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
year
series
team
points
position
2014
Nissan GT Academy Team RJN
25
12th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R NISMO GT3
5
0
1
0
0
races
wins
podiums
pole pos
fastest laps
points
5
0
1
0
0
25
year
series
team
points
position
2014
NISMO Athlete Global Team
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R NISMO GT3
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R NISMO GT3
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Dallara F312
Toyota
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
0
year
series
team
points
position
2013
Nismo Athlete Global Team
0
6th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GTR GT3
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
0
year
series
team
points
position
2013
B-Max Engineering
72
3rd
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Dallara F312 (Toda)
15
2
8
1
2
races
wins
podiums
pole pos
fastest laps
points
15
2
8
1
2
72
year
series
team
points
position
2013
Dijon Racing
2
28th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan GT-R Nismo GT3
7
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
7
0
0
0
0
2
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
8
1
2
0
0
races
wins
podiums
pole pos
fastest laps
points
8
1
2
0
0
53
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Dallara F306 (Toyota)
14
5
10
5
3
races
wins
podiums
pole pos
fastest laps
points
14
5
10
5
3
89
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Dallara F305 (Toyota)
16
1
7
1
1
races
wins
podiums
pole pos
fastest laps
points
16
1
7
1
1
66
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Dallara F306 (Toyota)
16
0
5
0
0
races
wins
podiums
pole pos
fastest laps
points
16
0
5
0
0
48
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Tatuus FC106
16
3
6
1
1
races
wins
podiums
pole pos
fastest laps
points
16
3
6
1
1
136
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
12
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
12
0
0
0
0
28
year
type
races
wins
podiums
pole positions
fastest lap
2023
Racing
8
1
3
1
1
2022
Racing
6
2
2
?
?
2021
Racing
8
0
1
0
0
2020
Racing
8
0
0
0
0
2019
Racing
10
0
0
0
1
2018
Racing
15
0
0
0
0
2017
Racing
16
0
1
0
0
2016
Racing
21
1
5
0
2
2015
Racing
14
4
6
1
2
2014
Racing
13
0
1
0
0
2013
Racing
25
2
8
1
2
2012
Racing
8
1
2
0
0
2011
Racing
14
5
10
5
3
2010
Racing
16
1
7
1
1
2009
Racing
16
0
5
0
0
2008
Racing
16
3
6
1
1
2007
Racing
12
0
0
0
0

Racing Highlights

year
series
position
2023
Autobacs Super GT Japan - GT500
2nd
2022
Autobacs Super GT Japan - GT500
2nd
2016
Liqui-moly Bathurst 12 Hour
2nd
2016
Liqui-Moly Bathurst 12 Hour - Class A
2nd
2015
Super GT Japan - GT300
2nd
2015
Liqui Moly Bathurst 12 Hour
1st
2015
Blancpain Endurance Series - GT3 Pro Cup
1st
2015
Liqui Moly Bathurst 12 Hour - Class A GT3 Am
1st
2013
Japanese Formula 3 Championship
3rd
2011
Japanese Formula 3 Championship - National Class
1st
2010
Japanese Formula 3 Championship - National Class
3rd
2008
Formula Challenge Japan
3rd

DriverDB Top 100

pos
driver
championship
points
change
01
Formula 1
2198.45
-
02
Formula 1
2135.95
-
03
Formula 1
2028.35
-
04
Formula 1
2014.4
-
05
Intercontinental GT Challenge
2007.9
-
06
NASCAR Xfinity Series
1994.3
-
07
United Sports Car Championship - GTD
1989.65
-
08
Formula 1
1988.75
-
09
Intercontinental GT Challenge
1948.45
-
10
IndyCar
1944.1
-
Based on over 70,000 race results the DriverDB ranking is an objective way to rate drivers without relying on subjective evaluations of championships and categories. Rating is based on the average of the drivers' last 20 races.