cover
Katsumasa Chiyo profile photo
Katsumasa Chiyo helmet photo
Katsumasa
Chiyo
flag
Super GT Japan - GT500

Driver Information

nationality
Japanese
age
37
birthday
9 Dec 1986
hometown
Setagaya, Tokyo
helmet

Driver Information

nationality
Japanese
age
37
birthday
9 Dec 1986
hometown
Setagaya, Tokyo
helmet

Driver Stats

races started
233
races entered
235
wins
20
podiums
59
pole positions
10
fastest laps
14
race win percentage
8.6%
podium percentage
25.3%
driverdb score
1,609

DriverDB Score History

DRIVERDB SCORE
1,609
2019/01/06
Katsumasa Chiyo
1602.8

Recent Results

date
series
circuit
nation
grid
position
points
03
Nov '24
Super GT Japan - GT500
Motegi
flag
9
20
Oct '24
Super GT Japan - GT500
Autopolis
flag
2
22
Sep '24
Super GT Japan - GT500
Sugo
flag
12
04
Aug '24
Super GT Japan - GT500
Fuji
flag
13
02
Jun '24
Super GT Japan - GT500
Suzuka
flag
10
04
May '24
Super GT Japan - GT500
Fuji
flag
2

Competitors

Career Overview

year
series
team
points
position
2024
#23 Nismo
42
8th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Nissan Z Nismo GT500
Bridgestone
7
0
2
0
1
races
wins
podiums
pole pos
fastest laps
points
7
0
2
0
1
42
year
series
team
points
position
2023
NDDP Racing
63
2nd
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
2022
NDDP Racing
66
2nd
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
2019
KC Motorsport Group
0
10th
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
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
2017
Nissan Motorsport
0
8th
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
2014
Nissan GT Academy Team RJN
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
2013
B-Max Engineering
0
15th
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
2024
Racing
7
0
2
0
1
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
Super GT Japan - GT500
2nd
2022
Super GT Japan - GT500
2nd
2016
Bathurst 12 Hours
2nd
2016
Bathurst 12 Hours - Class A
2nd
2015
Super GT Japan - GT300
2nd
2015
Bathurst 12 Hours
1st
2015
Blancpain GT Endurance Series - Pro Cup
1st
2015
Bathurst 12 Hour Race - Class A: GT3 Am
1st
2013
Formula 3 Japan
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
2216.25
-0.6
02
Formula 1
2117.65
-2.1
03
Formula 1
2041.5
+2.6
04
Formula 1
2038.7
+0.5
05
Porsche Carrera Cup Germany
2017.5
+0.5
06
Formula 1
2008
+1.3
07
Formula 1
1986.4
+4.3
08
British GT Championship - GT3
1958.95
-4.8
09
IndyCar
1951.4
-4.8
10
V8 Supercars Series
1946.35
-
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.