Repco Australia Superlastcar Championship: Engine failure leaves Mostert last as unreliability hits Toyota Racing Australia yet again

Sunday, 23 August 2026

Engine failure leaves Mostert last as unreliability hits Toyota Racing Australia yet again

Credit: Supercars

Chaz Mostert (#1 Mobil 1/Optus Toyota) finished last for the 13th time in his career. The finish came after he retired with engine failure after 23 of the race’s 62 laps. The finish is Mostert’s 3rd of the year. It came in Mostert’s 411th start.

Chaz Mostert is a veteran of the sport, now in his 12th full-time season. 2015 would’ve been a full-time season, but had a massive crash at Bathurst 2015 that snapped his leg in half and ended his season. He raced in 26 races in 2013 for Dick Johnson Racing, then moved to Ford Performance Racing/Rod Nash Racing/Tickford Racing for 6 years. Mostert moving to Walkinshaw Andretti United in 2020. Despite a few up and down seasons, Mostert inherited the 2025 Repco Supercars Championship after Red Bull Racing choked it away with engine issues.

2026 has been a story of fast but unreliable for both Mostert and teammate Ryan Wood. Wood has 3 last-place finishes and, prior to this race, Mostert had 2. Mostert has 1 engine failure and 1 disqualification. Wood has 2 mechanical failures and 1 laps-down finish because of crash damage.

Mostert was 9th in Practice 1. Then jumped to 3rd in Practice 2. Mostert provisionally qualified 5th, and completed the Top 10 Shootout 5th.

Macauley Jones (#96 JWL Toyota) started last. Jones would battle with Aaron Seton (#30 Superior Cranes Chevrolet) and Bayley Hall (#15 Supercheap Auto Chevrolet) for last in the early laps.

A bold strategy call on Lap 10 saw Declan Fraser (#777 Nulon Chevrolet) pit and drop to last.

Fraser held last for 4 laps until Ben Gomersall (#5 Unit Ford) pitted and fell behind. The early strategy called appeared to work for Fraser, as he jumped Jack LeBrocq (#4 Sherrin Rental Chevrolet) in the field.

By lap 22, Bayley Hall had fallen to last when suddenly Chaz Mostert (#25 Optus/Mobil 1 Toyota) slowed from 5th place exiting Turn 5.

Mostert would pull into the garage, and the team diagnosed engine failure, ending his race.

Eight laps later, everything changed.

Matt Payne (#19 Penrite Ford) pulled into the garage on Lap 31 with electrical failure. The result, combined with Broc Feeney (#88 Red Bull/Ampol Chevrolet) winning, meant Feeney wins the Sprint Cup.

Lap 35 saw Jayden Ojeda (#31 Nulon Chevrolet) spin while attempting a pass on Andre Heimgartner (#8 R&J Batteries Toyota). Ojeda recovered to 18th.

Completing the bottom five were Bayley Hall, Macualey Jones, and Ben Gomersal.

And if you’re at all curious, the Sprint Cup last place award goes to Jackson Walls.

The Bottom Five

Chaz Mostert	23 Laps	Engine
Matt Payne	31 Laps	Electrical
Bayley Hall	61 Laps	Running
Macauley Jones	61 Laps	Running
Ben Gomersal	61 Laps	Running

Driver’s Championship

Pos	Driver	Last	Bottom 3	Bottom 5
1	Jackson Walls	4	9	13
2	Cooper Murray	3	7	10
3	Ryan Wood	3	4	6
4	Chaz Mostert	3	3	3
5	Jobe Stewart	2	9	14
6	Aaron Cameron	2	4	10
7	Jack LeBrocq	2	2	2
8	Brodie Kostecki	2	2	2
9	Macauley Jones	1	10	12
10	Cameron Hill	1	3	5
11	Andre Heimgartner	1	3	3
12T	David Reynolds	1	2	3
12T	Matt Payne	1	2	3
14	Baylan Hall	1	2	2
15	Aaron Seton	1	1	3
16	James Golding	1	1	2
17	Rylan Gray	0	4	8
18	Declan Fraser	0	4	7
19	Zach Bates	0	3	8
20	Reuben Goodall	0	2	3
21	Kai Allen	0	2	2
22T	Ben Gomersal	0	1	2
22T	Thomas Randle	0	1	2
24T	Broc Feeney	0	1	1
24T	Mark Winterbottom	0	1	1
26	Jayden Oeda	0	0	3
27	Will Brown	0	0	2

Team’s Championship

Pos	Driver	#	Last	Bottom 3	Bottom 5
1	Overdrive/RBR Racing	1	4	9	13
2	Walkinshaw Andretti United	2	6/2	7/2	10/2
3	Erebus Motorsports	2	4/2	14/2	22/2
4	Blanchard Racing Team	2	3/2	5/2	12/2
5	Matt Stone Racing	3	3/3	9/3	14/3
6	Brad Jones Racing	3	2/3	10/3	17/3
7	Dick Johnson Racing	3	2/3	6/3	10/3
8	Grove Racing	2	1/2	4/2	4/2
9	Team 18 Racing	3	2/3	3/3	4/3
10	Premair Racing	2	0	5/2	9/2
11	Tickford Racing	5	0	5/5	7/5
12	Red Bull Racing	2	0	1/2	3/2

Manufacturer’s Championship

Pos	Manufacturer	#	Last	Bottom 3	Bottom 5
1	Toyota	5	7/5	19/5	21/5
2	Chevrolet	9	11/9	31/9	52/9
3	Ford	14	9/14	30/14	37/14

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How Juniorgeneric defines a Last-Place finisher

Australian V8 LASTCAR'S Official Definition of a "Last-Place Finisher" (LPF)

For the purposes of the Australian V8 LASTCAR championship rankings and statistics, a "Last-Place Finisher" (LPF) is a driver(s) who, after qualifying for a V8 Supercars Championship Points-Paying race, the result must be confirmed from official sources, or unofficial sources failing that. Only one driver (or two in a endurance race) can be classified as the LPF for that race.

Meeting those requirements, the LPF can be any driver classified as such for any reason, including, but not limited to.
1) A "did not start" although it should be noted that there is a difference between my definition of "did not start" and Brock Beard's definition of "Did not Start".
For example, in Bathurst 2015 Chazz Mostert and Cameron Waters' #6 Pepsi Max Ford had a huge accident during practice that injured Mostert and all but wrote off the car. Car #6 was withdrawn, and therefore I don't count Mostert and Waters as finishing last. Under Brock Beard's definition, however, Mostert and Waters would have finished last instead of David Wall and Chris Pither.
2) An entrant who encounters an event once the race has started which prevents the driver(s) from finishing ahead of any other qualified entrants, including both DNFs and drivers who finish under power but laps down*

*Only when all the cars in the race are running ahead of the LPF

3) A decision to “start and park” the driver’s entry (Extremely rare in V8 Supercars)
(4) a disqualification handed down by V8 Supercars and/or track officials that subsequently classifies the driver(s) in the final position behind the unofficial LPF.

Australian V8 LASTCAR shall not consider the LPF as anything else, including but not limited too
1) Any DNQ's
2) Any driver's who's car withdrew before the race start.
3)The lowest-ranked driver who finishes the race under power (unless all cars finished under power, actually quite common in V8 Supercars)
4) A driver(s) who finished last initially, however post-race disqualifications usurped the spot.
5) A driver(s) who may be catagorised as finishing last for exhibition events (I may bring these back at some point in the near future, I need more accurate numbers for the events before I start them up again)
6) Anything in non-V8 Supercar Main game (again, insufficent historical data)
7) A driver who was running last when the checkered flag fell, however because they greeted the checkered flag but a drive who was in front of them at the end of the race, however was not running at the end of the race. In that instance the driver who doesn't finish the race will fall behind the driver whom is still running at the end of the race.

In the rare event where official results or a preponderance of unofficial results are later updated with more accurate information about who was the LPF for that event, Australian V8 LASTCAR rankings and statistics shall be updated to reflect that change.