Mercedes driver Lewis Hamilton claimed victory at the US Grand Prix in Austin, while Kiwi driver Brendon Hartley gave a good account of himself with a 13th placed finish.
Driving for Toro Rosso, the Palmerston North native started 19th on the grid after a penalty during the first practice session, before working his way up the standings for an impressive end to his Formula 1 debut.
1. Lewis Hamilton - Mercedes
2. Sebastian Vettel - Ferrari
3. Kimi Raikkonen - Ferrari
4. Max Verstappen - Red Bull
5. Valtteri Bottas - Mercedes
13. Brendon Hartley - Toro Rosso
Hamilton strong on his final lap, this is in the bag for him now. Verstappen overtakes Raikonnen into third spot, but Hamilton's crossed the line and wins. Hartley up to 13th on his final lap. Vettel comes in second place. Verstappen is penalised though, he'll take fourth spot, Raikkonen third.
9:35am: Lap 55 of 56
Hartley's teammate Daniil Kvyat sitting in 10th, remember the pair are essentially racing to see who'll take the second driver's spot in Mexico next week. Elsewhere, Verstappen overtakes Bottas into fourth spot. One lap to go. Hamilton still ahead of Vettel.
9:31am: Lap 53 of 56
Raikkonen allows Vettel to pass and get back into second place, he'll shoout out with Hamilton for the win going into the final stages.
9:28am: Lap 51 of 56
Hartley does move into 14th now! Elsewhere, Bottas drops down to fourth after some slick work from Vettel. Hamilton comfortably in front though. Five laps left.
9:22am: Lap 48 of 56
Kevin Magnussen of Haas is clipped by Ericsson and drops down to 15th, Hartley now hot on his tail and passes Magnussen! Eight laps left in Austin. Ericssen now being investigated after the incident, Hartley could move to 14th as a result.
9:16am: Lap 44 of 56
Raikonnen overtakes Bottas to move into second place and put some pressure on Hamilton, Hartley still 16th.
9:09am: Lap 39 of 56
Vettel pits and drops to fourth. The Mercedes duo of Hamilton and Bottas now in first and second, while the Ferrari pair of Raikkonen and Vettel in third and fourth. Max Verstappen holds onto fifth spot. Brendon Hartley back of the grid in 16th.
9:04am: Lap 37 of 56
Hartley drops back to 16th - last among the active drivers - with a pit stop, 22 laps to go in Austin.
8:59am: Lap 34 of 56
Hamilton and Vettel still going at it at the front, Hartley holding off Ericsson for now to keep his 15th spot. A good debut effort from the Kiwi after starting at the back of the grid.
8:53: Lap 29 of 56
Just past the halfway point, and Hartley is down in 15th now. Vandoore passes the Kiwi again.
8:46am: Lap 26 of 56
Hartley climbs to 15th now! Fernando Alonso looks to be out of the race with car troubles now too. Hartley now 14th after Stoffel Vandoore of McLaren pits.
8:42am: Lap 23 of 56
Hartley of to 16th, Kevin Magnussen of Haas drops to 17th. Hamilton now back into the lead over Verstappen, who takes his first pit stop.
8:37am: Lap 21 of 56
Raikkonen in the pits now, Verstappen in the lead having started in 16th position.
8:35am: Lap 20 of 56
Bottas pits to drop from second to fifth, Vettel climbs back one place in his hunt of Hamilton. Brendon Hartley currently last among the active drivers in 17th. Hamilton in the pits now to drop to third. Kimi Raikkonen of Ferrari the new leader, Verstappen in second.
8:31am: Lap 17 of 56
Trouble with his left wheel sees Vettel in the pits, he drops to fifth place. The Mercedes duo now hold first and second spots.
8:29am: Lap 16 of 56
A big problem for Daniel Ricciardo and he's out of the race! What's happened there?! It looks like engine trouble, he's replaced in the top five by Red Bull teammate Verstappen.
8:21am: Lap 11 of 56
Meanwhile, Max Verstappen of Red Bull has jumped up into sixth position, having started down in 16th on the grid. Hartley now back to 17th, after a pit-stop for Lance Stroll of Williams.
8:19am: Lap 10 of 56
Hartley drops to 18th, forced into his first pit-stop of the race.
8:15am: Lap 8 of 56
Another driver drops out of the race, with Pascal Wehrlein of Sauber the latest to have car troubles.
8:12am: Lap 6 of 56
Renault's Nico Hulkenburg is forced into the pits and is now out of the race! That means Brendon Hartley jumps into 17th position. Meanwhile, Hamilton snatches the lead from Vettel!
8:06am: Lap 2 of 56
A good start from Brendon Hartley! The Kiwi driver has jumped up into 18th position, Vettel still in the lead after two laps.
8:03am: Lap 1 of 56
Vettel gets into first place straight away! What a start from Vettel!
The drivers take off on their warm-up lap.
The call is made to the drivers: start your engines! Usain Bolt waving the flag to get the race going.
Just some quick news before the start, Brendon Hartley has moved up into 19th on the grid, a penalty to McLaren's Stoffel Vandoorne sees the Kiwi off the bottom.
Time for the US anthem, before the drivers get their final race preparation underway.
Just a quick rundown of the top five from qualifying:
1. Lewis Hamilton - Mercedes
2. Sebastian Vettel - Ferrari
3. Valtteri Bottas - Mercedes
4. Daniel Ricciardo - Red Bull
5. Kimi Raikonnen - Ferrari
20. Brendon Hartley - Toro Rosso
Hartley and Toro Rosso teammate Daniil Kvyat are announced to the spectators. The Kiwi lets out a big wave, he looks very relaxed ahead of what's easily the biggest race of his career. Racing to begin at 8:00am NZT.
The drivers are now coming out onto the track ahead of the start of the race.
The cars are making their way out onto the grid. Remember, Kiwi driver Brendon Hartley will start at the back, after an engine penalty against his team Toro Rosso in the first practice session on Saturday morning.
Good morning! A massive day for Kiwi motorsport, as Palmerston North's Brendon Hartley lines up for his first taste of Formula 1. All the talk trackside however, revolves around Lewis Hamilton, who needs to beat Sebastian Vettel by 16 points today to seal another F1 crown.
Having impressed in qualification - where Hartley recorded the 15th fastest time - an engine penalty will see the Kiwi start at the back of the grid in today's race.
Driving for Italian team Toro Rosso, Hartley will become the first New Zealander since 1984 to race in Formula 1, with Mike Thackwell the last Kiwi to have the honour.
A good performance from Hartley today will do his chances of securing a full-time F1 contract for next season, with Toro Rosso looking for a new driver to partner Pierre Gasly in 2018.
Speaking after yesterday's qualification round, Hartley said he was looking forward to the experience.
"The approach I have taken from when I got the word (debut) I knew it was going to happen was to keep a low key profile and just focus on doing the job and focus on enjoying it."
Mercedes' Lewis Hamilton will start on pole position, as he looks to lock away another Formula 1 title.