Race Result

GT4 Challenge by Falken Tyre

Sonoma Raceway (Sportscar Alt) ·Week 3

SoF 2265 Drivers 26 Laps 13 Incidents 163 (6.3/driver) Category Sports Car Date Apr 1, 2026 · 00:30 UTC
Winner Joe Bobma Fastest Lap Joe Bobma 1:38.533 Hard Charger Zach Patterson2 +18
3 splits
Race Results
Pos Driver License iR Car Grid +/− Laps Led Fastest Inc Pts
Joe Bobma A 3.57 4.2k +47 Porsche 718 Cayman GT4 Clubsport MR 1 0 13 13 1:38.533 1 141
Chris Bradick C 3.59 2.1k +97 Mercedes-AMG GT4 3 +1 13 0 1:39.243 1 135
Frédérick Chaput B 4.36 4.2k +32 Porsche 718 Cayman GT4 Clubsport MR 8 +5 13 0 1:39.309 1 129
4 Logan Madden D 2.42 2.3k +75 Porsche 718 Cayman GT4 Clubsport MR 12 +8 13 0 1:39.468 12 124
5 Zach Patterson2 B 2.39 2.7k +55 Mercedes-AMG GT4 23 +18 13 0 1:39.044 4 118
6 Will Attum A 3.28 2.2k +61 BMW M4 G82 GT4 Evo 13 +7 13 0 1:39.541 3 112
7 Cole Williamson B 1.52 2.5k +45 Porsche 718 Cayman GT4 Clubsport MR 16 +9 13 0 1:39.413 4 107
8 Michael Yachnis B 2.39 3.3k +14 Ford Mustang GT4 15 +7 13 0 1:39.458 7 101
9 Michael Woode C 3.60 1.9k +49 McLaren 570S GT4 7 -2 13 0 1:39.706 7 95
10 Dave Coursol C 2.50 2.1k +35 Porsche 718 Cayman GT4 Clubsport MR 21 +11 13 0 1:40.430 9 90
11 Jonathan Labelle C 2.22 2.3k +20 Porsche 718 Cayman GT4 Clubsport MR 11 0 13 0 1:40.344 13 84
12 Alonso Valderrama C 3.38 1.7k +33 BMW M4 G82 GT4 Evo 26 +14 13 0 1:40.149 7 78
13 Feiyu Wu B 3.09 3.4k -28 Mercedes-AMG GT4 2 -11 13 0 1:40.337 11 73
14 Levi Goffeney A 3.37 3.1k -27 Mercedes-AMG GT4 10 -4 13 0 1:39.869 9 67
15 David Mann2 B 2.28 2.4k -16 Mercedes-AMG GT4 5 -10 13 0 1:40.663 3 62
16 Zhile Wang D 2.49 1.7k +1 Ford Mustang GT4 18 +2 13 0 1:41.606 6 56
17 Robert Petersen3 B 2.67 2.1k -22 Aston Martin Vantage GT4 14 -3 13 0 1:40.595 4 50
18 Randall Spradlin B 3.58 1.7k -15 Porsche 718 Cayman GT4 Clubsport MR 20 +2 13 0 1:41.314 0 45
19 Lukasz Dziemidok D 2.28 1.8k -27 Porsche 718 Cayman GT4 Clubsport MR 17 -2 12 0 1:41.737 13 39
20 Benjamin Cloutier B 2.39 1.8k -34 BMW M4 G82 GT4 Evo 4 -16 8 0 1:40.167 9 33
21 Ozzy Aye C 2.17 1.9k -45 Mercedes-AMG GT4 24 +3 8 0 1:42.153 13 28
22 Bryce Hogg B 1.45 1.7k -45 Ford Mustang GT4 22 0 7 0 1:41.848 12 22
23 Ian Rooney A 4.28 1.8k -58 Aston Martin Vantage GT4 25 +2 6 0 1:42.297 2 16
24 Zach Armstrong A 3.35 2.5k -91 Porsche 718 Cayman GT4 Clubsport MR 6 -18 5 0 1:39.281 1 11
25 Jeff Moates A 3.37 1.8k -74 Porsche 718 Cayman GT4 Clubsport MR 19 -6 4 0 1:44.658 5 5
26 Windsor Fey C 3.50 1.8k -82 BMW M4 G82 GT4 Evo 9 -17 0 0 — 6 0
Joe Bobma
A 3.57
4.2k +47
iR
1 → 1
Grid→Fin
0
+/−
1
Inc
1:38.533
Fastest
13
Laps
13
Led
141
Pts
Porsche 718 Cayman GT4 Clubsport MR
Chris Bradick
C 3.59
2.1k +97
iR
3 → 2
Grid→Fin
+1
+/−
1
Inc
1:39.243
Fastest
13
Laps
0
Led
135
Pts
Mercedes-AMG GT4
Frédérick Chaput
B 4.36
4.2k +32
iR
8 → 3
Grid→Fin
+5
+/−
1
Inc
1:39.309
Fastest
13
Laps
0
Led
129
Pts
Porsche 718 Cayman GT4 Clubsport MR
4
Logan Madden
D 2.42
2.3k +75
iR
12 → 4
Grid→Fin
+8
+/−
12
Inc
1:39.468
Fastest
13
Laps
0
Led
124
Pts
Porsche 718 Cayman GT4 Clubsport MR
5
Zach Patterson2
B 2.39
2.7k +55
iR
23 → 5
Grid→Fin
+18
+/−
4
Inc
1:39.044
Fastest
13
Laps
0
Led
118
Pts
Mercedes-AMG GT4
6
Will Attum
A 3.28
2.2k +61
iR
13 → 6
Grid→Fin
+7
+/−
3
Inc
1:39.541
Fastest
13
Laps
0
Led
112
Pts
BMW M4 G82 GT4 Evo
7
Cole Williamson
B 1.52
2.5k +45
iR
16 → 7
Grid→Fin
+9
+/−
4
Inc
1:39.413
Fastest
13
Laps
0
Led
107
Pts
Porsche 718 Cayman GT4 Clubsport MR
8
Michael Yachnis
B 2.39
3.3k +14
iR
15 → 8
Grid→Fin
+7
+/−
7
Inc
1:39.458
Fastest
13
Laps
0
Led
101
Pts
Ford Mustang GT4
9
Michael Woode
C 3.60
1.9k +49
iR
7 → 9
Grid→Fin
-2
+/−
7
Inc
1:39.706
Fastest
13
Laps
0
Led
95
Pts
McLaren 570S GT4
10
Dave Coursol
C 2.50
2.1k +35
iR
21 → 10
Grid→Fin
+11
+/−
9
Inc
1:40.430
Fastest
13
Laps
0
Led
90
Pts
Porsche 718 Cayman GT4 Clubsport MR
11
Jonathan Labelle
C 2.22
2.3k +20
iR
11 → 11
Grid→Fin
0
+/−
13
Inc
1:40.344
Fastest
13
Laps
0
Led
84
Pts
Porsche 718 Cayman GT4 Clubsport MR
12
Alonso Valderrama
C 3.38
1.7k +33
iR
26 → 12
Grid→Fin
+14
+/−
7
Inc
1:40.149
Fastest
13
Laps
0
Led
78
Pts
BMW M4 G82 GT4 Evo
13
Feiyu Wu
B 3.09
3.4k -28
iR
2 → 13
Grid→Fin
-11
+/−
11
Inc
1:40.337
Fastest
13
Laps
0
Led
73
Pts
Mercedes-AMG GT4
14
Levi Goffeney
A 3.37
3.1k -27
iR
10 → 14
Grid→Fin
-4
+/−
9
Inc
1:39.869
Fastest
13
Laps
0
Led
67
Pts
Mercedes-AMG GT4
15
David Mann2
B 2.28
2.4k -16
iR
5 → 15
Grid→Fin
-10
+/−
3
Inc
1:40.663
Fastest
13
Laps
0
Led
62
Pts
Mercedes-AMG GT4
16
Zhile Wang
D 2.49
1.7k +1
iR
18 → 16
Grid→Fin
+2
+/−
6
Inc
1:41.606
Fastest
13
Laps
0
Led
56
Pts
Ford Mustang GT4
17
Robert Petersen3
B 2.67
2.1k -22
iR
14 → 17
Grid→Fin
-3
+/−
4
Inc
1:40.595
Fastest
13
Laps
0
Led
50
Pts
Aston Martin Vantage GT4
18
Randall Spradlin
B 3.58
1.7k -15
iR
20 → 18
Grid→Fin
+2
+/−
0
Inc
1:41.314
Fastest
13
Laps
0
Led
45
Pts
Porsche 718 Cayman GT4 Clubsport MR
19
Lukasz Dziemidok
D 2.28
1.8k -27
iR
17 → 19
Grid→Fin
-2
+/−
13
Inc
1:41.737
Fastest
12
Laps
0
Led
39
Pts
Porsche 718 Cayman GT4 Clubsport MR
20
Benjamin Cloutier
B 2.39
1.8k -34
iR
4 → 20
Grid→Fin
-16
+/−
9
Inc
1:40.167
Fastest
8
Laps
0
Led
33
Pts
BMW M4 G82 GT4 Evo
21
Ozzy Aye
C 2.17
1.9k -45
iR
24 → 21
Grid→Fin
+3
+/−
13
Inc
1:42.153
Fastest
8
Laps
0
Led
28
Pts
Mercedes-AMG GT4
22
Bryce Hogg
B 1.45
1.7k -45
iR
22 → 22
Grid→Fin
0
+/−
12
Inc
1:41.848
Fastest
7
Laps
0
Led
22
Pts
Ford Mustang GT4
23
Ian Rooney
A 4.28
1.8k -58
iR
25 → 23
Grid→Fin
+2
+/−
2
Inc
1:42.297
Fastest
6
Laps
0
Led
16
Pts
Aston Martin Vantage GT4
24
Zach Armstrong
A 3.35
2.5k -91
iR
6 → 24
Grid→Fin
-18
+/−
1
Inc
1:39.281
Fastest
5
Laps
0
Led
11
Pts
Porsche 718 Cayman GT4 Clubsport MR
25
Jeff Moates
A 3.37
1.8k -74
iR
19 → 25
Grid→Fin
-6
+/−
5
Inc
1:44.658
Fastest
4
Laps
0
Led
5
Pts
Porsche 718 Cayman GT4 Clubsport MR
26
Windsor Fey
C 3.50
1.8k -82
iR
9 → 26
Grid→Fin
-17
+/−
6
Inc
—
Fastest
0
Laps
0
Led
0
Pts
BMW M4 G82 GT4 Evo