2021 Nitro Winter Series Rd4 40+ Nitro Buggy
Pos.	Q.	Driver	Model	Engine	Tires	Result
1	-	Hernandez Jonathan				32 (15:11.972)
2	-	Miller Chet				32 (15:17.606)
3	-	Curran Brian				32 (15:21.532)
4	-	Marcal Alex				31 (15:25.329)
5	-	Morales Boris				29 (15:04.625)
6	-	Bustoz Ruben				26 (14:59.350)
7	-	Erickson Mike				26 (15:17.000)
8	-	Rose Steve				26 (15:20.860)
9	-	Ohlhausen Bill				26 (15:31.892)
10	-	Woods Michael				25 (14:14.445)
11	-	Cross Bart				14 (7:34.572)
12	-	Kendricks Chad				3 (1:38.819)
13	-	Advil Danny				13

2021 Nitro Winter Series Rd4 E Buggy
Pos.	Q.	Driver	Model	Engine	Tires	Result
1	-	The Duck Nic				22 (10:26.817)
2	-	Morales Boris				21 (10:24.101)
3	-	Cross Bart				20 (9:52.220)
4	-	Lotten Brian				20 (10:01.014)
5	-	Moak Bucky				20 (10:02.714)
6	-	Nguyen Anthony				20 (10:06.010)
7	-	Smith Stephen				10 (5:11.015)
8	-	Wilson Jackson				10 (4:42.331)
9	-	Taylor Julian				8 (4:18.936)
10	-	Cross Tavian				12 (5:25.131)
11	-	Bustoz Ruben				10 (5:28.564)
12	-	Steacker Nick				9 (5:16.806)
13	-	Maltoni Rob				9 (5:22.995)
14	-	Haro Blaze				8 (5:08.154)
15	-	Erickson Mike				6 (5:33.174)

2021 Nitro Winter Series Rd4 E Truggy
Pos.	Q.	Driver	Model	Engine	Tires	Result
1	-	The Duck Nic				22 (10:03.376)
2	-	Williams Korey				22 (10:05.169)
3	-	Lotten Brian				22 (10:14.902)
4	-	Eff Niles				21 (10:20.249)
5	-	Miranda Darwin				20 (9:10.308)
6	-	Taylor Julian				20 (10:16.991)
7	-	Haro Blaze				17 (10:16.963)
8	-	Weyrauch Steve				15 (7:02.359)
9	-	Kendricks Chad				14 (6:57.870)
10	-	Lagomarsino Frank				11 (5:14.948)

2021 Nitro Winter Series Rd4 Expert Nitro Buggy
Pos.	Q.	Driver	Model	Engine	Tires	Result
1	-	Atondo Phillip				44 (20:02.270)
2	-	Hernandez Jonathan				44 (20:12.796)
3	-	Counsil Antonio				43 (20:24.024)
4	-	Curran Brent				42 (20:16.704)
5	-	Marcal Alex				41 (20:19.904)
6	-	Nibbelink Brad				40 (20:24.755)
7	-	Cross Tavian				39 (20:05.123)
8	-	Miller Chet				35 (16:58.670)
9	-	Wilson Jackson				10 (4:54.294)

2021 Nitro Winter Series Rd4 Expert Nitro Truggy
Pos.	Q.	Driver	Model	Engine	Tires	Result
1	-	Curran Brent				44 (20:13.495)
2	-	Miranda Darwin				42 (20:04.900)
3	-	Lagomarsino Frank				37 (18:18.742)

2021 Nitro Winter Series Rd4 Rookie
Pos.	Q.	Driver	Model	Engine	Tires	Result
1	-	Miranda Jacob				18 (10:24.200)
2	-	Maltoni Rob				17 (10:31.645)
3	-	Vitug Jeremy				17 (10:40.635)
4	-	Anderson Ben				16 (10:14.255)
5	-	Hartshorn Ben				15 (10:00.486)
6	-	Ohlhausen Amarah				14 (10:00.517)
7	-	Acuna Jerome				1 (27.441)

2021 Nitro Winter Series Rd4 Sportsman Nitro Buggy
Pos.	Q.	Driver	Model	Engine	Tires	Result
1	-	The Duck Nic				20 (10:13.892)
2	-	Beaver Collin				30 (15:00.706)
3	-	Gaczol Chris				29 (15:08.436)
4	-	Atondo Ezra				19 (10:04.937)
5	-	Steacker Nick				28 (15:12.804)
6	-	Rivera Robert				27 (13:45.756)
7	-	Smith Stephen				27 (15:17.631)
8	-	Cross Bart				25 (13:28.829)
9	-	Woods Michael				21 (12:47.793)
10	-	Nguyen Anthony				10
11	-	Moak Bucky				18 (10:02.746)
12	-	Lobat Travis				18 (10:26.163)
13	-	Lopez Julian				16 (10:27.614)
14	-	Rueles Rey				15 (10:14.357)
15	-	Smith Ed				11 (9:32.665)
16	-	Advil Danny				16

2021 Nitro Winter Series Rd4 Sportsman Nitro Truggy
Pos.	Q.	Driver	Model	Engine	Tires	Result
1	-	Gaczol Chris				31 (15:09.906)
2	-	Atondo Ezra				31 (15:23.911)
3	-	Beaver Collin				30 (15:02.077)
4	-	Weyrauch Steve				30 (15:10.485)
5	-	Eff Niles				30 (15:12.542)
6	-	Nguyen Anthony				30 (15:19.862)
7	-	Todd Eric				29 (15:22.039)
8	-	Riddles Brent				28 (15:19.012)
9	-	Hartshorn Ben				21 (14:58.266)
10	-	Rose Steve				10