F1 Pre-Season Testing Day 2: Zhou Guanyu Surprises with Fastest Time as Mercedes Faces Setback

The second day of Formula 1 pre-season testing in Bahrain delivered a thrilling mix of unexpected pace, consistent performance from championship contenders, and a significant technical hiccup for a top team. Against the backdrop of the Sakhir International Circuit, Alfa Romeo’s Zhou Guanyu emerged as the fastest driver, setting a blistering lap time that edged out reigning world champion Max Verstappen. Meanwhile, Mercedes experienced an early end to their session, with George Russell’s running cut short by a suspected hydraulic failure, raising questions for the Brackley-based squad.

Verstappen Sets Early Benchmark as Teams Push Limits

Day two commenced with an air of anticipation as teams continued to fine-tune their new challengers. After Sergio Perez had enjoyed his first outing in the formidable RB19 during the morning, Max Verstappen reclaimed the cockpit of the Red Bull for the afternoon and evening sessions. He was joined on track by several other drivers taking over from their teammates, including Charles Leclerc for Ferrari, Nico Hulkenberg for Haas, Pierre Gasly for Alpine, Oscar Piastri for McLaren, George Russell for Mercedes, and Nyck de Vries for AlphaTauri. A trio of drivers – Logan Sargeant, Zhou Guanyu, and Fernando Alonso – maintained their positions in their respective cars, committing to full day’s running to maximise data collection.

As the green light signalled the start of the afternoon session, Zhou Guanyu wasted no time, immediately rejoining the circuit. He was swiftly followed by Max Verstappen, making his first appearance of the day. The Dutch ace quickly made his presence felt, laying down a strong initial flying lap of 1 minute 32.815 seconds. This impressive effort not only placed him third on the timing screens but also instantly surpassed his own personal best from the first day of testing, showcasing Red Bull’s underlying pace and the continuous improvement being made.

Verstappen’s methodical approach continued to yield results. Following a double cool-down lap, he shaved almost three-tenths of a second off his previous best, bringing him within a mere half a tenth of Ferrari’s Carlos Sainz Jnr and elevating him to second position. His relentless pursuit of perfection saw him return to the track within half an hour, this time shod with the medium C3 compound tyres. It was on this run that Verstappen truly stamped his authority, unleashing a blistering 1 minute 31.863 seconds. This momentous lap marked the first time any driver had dipped below the 1 minute 32 seconds barrier during the entire test, establishing a new, comfortably quickest benchmark for the 2023 pre-season.

Mid-Session Progress and Ferrari’s Efforts

Beyond Verstappen’s dominant display, other teams were diligently working through their testing programmes. Charles Leclerc, taking over from Carlos Sainz Jnr in the Ferrari SF-23, gradually improved his pace, eventually climbing to fifth position with a 1 minute 32.725 seconds. While this was nearly a second adrift of Verstappen’s leading time, it was a respectable quarter of a second behind his teammate’s best from the morning session, indicating consistent development for the Scuderia. Verstappen, not content with his already impressive time, found another tenth-and-a-half, further lowering his personal best to a formidable 1 minute 31.650 seconds, a testament to Red Bull’s apparent comfort with the RB19.

Further down the order, Nico Hulkenberg, returning to full-time F1 action with Haas, showcased encouraging speed. Utilizing the softer C4 tyres, he propelled himself into second place on the standings. His time was just two-hundredths of a second quicker than Sainz Jnr’s morning benchmark, though still eight-tenths off Verstappen’s ultimate pace. This performance highlighted Haas’s potential for a more competitive season, with Hulkenberg quickly adapting to the VF-23 and extracting strong single-lap performance.

Mercedes’ Unforeseen Challenge: Russell’s Hydraulic Failure

With approximately 90 minutes remaining in the day’s running, a significant drama unfolded, leading to the first red flag of the day and only the second stoppage of the entire test. As George Russell navigated turn four, an ominous ‘hydraulic failure’ warning flashed on his steering wheel. The Mercedes W14, which had shown glimpses of strong pace earlier in the day, suddenly lost power. Russell quickly slowed down, attempting to manage the situation while remaining in fourth gear, but the issue proved terminal. The car eventually shuddered to a complete halt on the exit of turn ten, forcing race control to deploy the red flags.

This incident brought Mercedes’ day to a premature end. The team swiftly confirmed that a hydraulic failure was believed to be the root cause of the problem. While pre-season testing is designed to uncover such issues, losing significant track time, especially on a crucial day for data gathering, is a setback. Russell had completed only 26 laps by this point, a stark contrast to the high lap counts achieved by other drivers. This early termination meant fewer opportunities to collect vital feedback and optimise the W14, adding pressure for the final day of testing.

The Soft Tyre Onslaught: Alonso, De Vries, and Zhou’s Ascent

Once Russell’s stranded W14 was cleared from the track, the session resumed, and teams wasted no time in making the most of the remaining minutes. The final hour saw a flurry of activity as drivers bolted on the softest C5 compound tyres, chasing ultimate lap times and exploring the limits of their machines. AlphaTauri’s Nyck de Vries was among the first to benefit from the sticky rubber, immediately rocketing up to second place on the leaderboard, just over half a second shy of Verstappen’s earlier benchmark. This was an impressive display from the rookie, highlighting both his talent and the potential of the AT04.

Fernando Alonso, consistently strong throughout the test, then improved his own best time to move into third, only to immediately better it again, snatching second place by mere hundredths of a second ahead of de Vries. The veteran Spaniard’s performance in the Aston Martin AMR23 continued to be a talking point, suggesting the team has made significant strides over the winter. The competitive spirit intensified as Zhou Guanyu also opted for the soft tyres. The Alfa Romeo driver then launched himself into third position, being eight-thousandths of a second faster than de Vries and a tantalising nine-thousandths slower than Alonso, setting the stage for his final, decisive run.

With just half an hour left on the clock, Zhou Guanyu ventured out once more on the C5 soft tyres, ready to push for an even quicker time. The Chinese driver delivered a sensational lap, clocking a 1 minute 31.610 seconds. This stunning effort propelled Alfa Romeo to the very top of the timesheets, displacing Verstappen by a tiny margin of four-hundredths of a second. It was a significant moment for the team, demonstrating their potential and Zhou’s growing confidence. Despite Red Bull sending the world champion back out on C3 tyres in an attempt to respond, Verstappen was unable to improve upon his personal best, confirming Zhou’s unexpected reign at the top.

Concluding Moments and Endurance Data

The session was briefly red-flagged with just over ten minutes remaining, not for an incident, but for a planned and scheduled start procedure test, a common practice in pre-season. During this period, Zhou Guanyu experienced a minor hiccup, stopping his car at the end of the pit lane after aborting a practice start. He was then wheeled back into the Alfa Romeo garage. Following a second grid start test, the chequered flag was waved, bringing an end to the second day of F1 pre-season testing.

Beyond the headline-grabbing lap times, the amount of mileage covered by each team and driver provided crucial insights into reliability and data collection. Alonso, Zhou, and Sargeant, having driven in both morning and afternoon sessions, accumulated the most distance. Rookie Logan Sargeant, in particular, stood out, logging an impressive 154 laps – more than any other driver across the entire test so far. This monumental effort for Williams underscored their focus on understanding the new FW45 and ensuring its robustness. In stark contrast, George Russell’s day was severely curtailed by the hydraulic issue, resulting in the fewest laps of any driver, completing just 26 laps in his evening session. This disparity in mileage will undoubtedly be a point of concern for Mercedes as they head into the final day of testing.

Day two of testing highlighted the tight competition expected for the 2023 season, with unexpected front-runners and established champions showing their strengths. While lap times in testing are always taken with a grain of salt, Zhou’s performance for Alfa Romeo was a pleasant surprise, while Verstappen continued to demonstrate the Red Bull’s raw pace. Mercedes’ technical issue will undoubtedly prompt a thorough investigation, adding another layer of intrigue as teams prepare for the season opener. The final day promises to be crucial for all teams as they aim to iron out any remaining issues and optimise their packages for competitive racing.

2023 F1 Pre-Season Bahrain Test: Day Two Times

Pos.	Car number	Driver	Team	Model	Best time	Gap	Laps
1	24	Zhou Guanyu	Alfa Romeo	C43	1’31.610		133
2	1	Max Verstappen	Red Bull	RB19	1’31.650	0.040	47
3	14	Fernando Alonso	Aston Martin	AMR23	1’32.205	0.595	130
4	21	Nyck de Vries	AlphaTauri	AT04	1’32.222	0.612	74
5	27	Nico Hulkenberg	Haas	VF-23	1’32.466	0.856	68
6	55	Carlos Sainz Jnr	Ferrari	SF-23	1’32.486	0.876	70
7	2	Logan Sargeant	Williams	FW45	1’32.549	0.939	154
8	16	Charles Leclerc	Ferrari	SF-23	1’32.725	1.115	68
9	81	Oscar Piastri	McLaren	MCL60	1’33.175	1.565	74
10	10	Pierre Gasly	Alpine	A523	1’33.186	1.576	59
11	20	Kevin Magnussen	Haas	VF-23	1’33.442	1.832	67
12	31	Esteban Ocon	Alpine	A523	1’33.490	1.880	49
13	63	George Russell	Mercedes	W14	1’33.654	2.044	26
14	11	Sergio Perez	Red Bull	RB19	1’33.751	2.141	76
15	44	Lewis Hamilton	Mercedes	W14	1’33.954	2.344	72
16	4	Lando Norris	McLaren	MCL60	1’35.522	3.912	65
17	22	Yuki Tsunoda	AlphaTauri	AT04	1’35.708	4.098	85

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