# 2025 Indianapolis 500

The 2025 Indianapolis 500 (branded as the 109th Indianapolis 500 presented by Gainbridge) is an IndyCar Series event scheduled to be held on Sunday, May 25, 2025, at the Indianapolis Motor Speedway in Speedway, Indiana. The race will be part of the 2025 NTT IndyCar Series season. The month of May activities will formally began with the IndyCar Grand Prix on the combined road course. The race will be broadcast on FOX for the first time in its history.
Josef Newgarden of Team Penske enters as the two-time defending race winner. Kyle Larson will make another attempt at the "Double Duty" after failing to succeed in 2024, as that year's Coca-Cola 600 was called for rain. The 2025 race marks the first year of hybrid energy recovery system powertrains at Indianapolis. The new ERC powertrains were first introduced in the series in July 2024 at Mid-Ohio.

## Race background

The Indianapolis 500, commonly called the Indy 500, is held at the Indianapolis Motor Speedway, a 2.5-mile (4.02 km) paved oval. First held in 1911, it is currently a points-paying race of the NTT IndyCar Series. The event is contested by "Indy cars", a formula of professional-level, single-seat, open cockpit, open-wheel, purpose-built race cars. The race is the most prestigious event of the IndyCar calendar, and one of the oldest and most important automobile races in the world. The race traditionally has a field of 33 cars.

### Sponsorship

On May 25, 2022, it was announced that online financial services company Gainbridge reached a multiyear agreement to extend their presenting sponsorship of the Indianapolis 500. The extension was for an undisclosed length. This will be the third year under the current deal. Gainbridge originally signed a four-year deal which was in place from 2019 to 2022.

### 2025 IndyCar Series

The 2025 Indianapolis 500 will be the sixth race of the 2025 NTT IndyCar Series season. Álex Palou won the season opener at St. Petersburg. The season continues with races at Thermal Club, Long Beach, Alabama and the Sonsio Grand Prix on the Indianapolis Motor Speedway road course.

## Entry list

All entries utilize a spec Dallara IR18 chassis with universal aero kit and 2020-adopted aeroscreen. Honda (HRC) and Chevrolet (Ilmor) are the current engine providers. Firestone is the exclusive tire supplier. There are currently 34 confirmed entries, including eight former winners and four race rookies.
| No. | Driver | Team | Engine | Sponsor |
| 2 | Josef Newgarden W | Team Penske | Chevrolet | Shell |
| 3 | Scott McLaughlin | Team Penske | Chevrolet | DEX Imaging |
| 4 | David Malukas | A. J. Foyt Racing | Chevrolet | TBD |
| 5 | Pato O'Ward | Arrow McLaren | Chevrolet | Arrow Electronics |
| 6 | Nolan Siegel R | Arrow McLaren | Chevrolet | Arrow Electronics |
| 06 | Hélio Castroneves W | Meyer Shank Racing | Honda | TBD |
| 7 | Christian Lundgaard | Arrow McLaren | Chevrolet | VELO |
| 8 | Kyffin Simpson | Chip Ganassi Racing | Honda | Journie |
| 9 | Scott Dixon W | Chip Ganassi Racing | Honda | PNC Bank |
| 10 | Álex Palou | Chip Ganassi Racing | Honda | DHL |
| 12 | Will Power W | Team Penske | Chevrolet | Verizon |
| 14 | Santino Ferrucci | A. J. Foyt Racing | Chevrolet | Sexton |
| 15 | Graham Rahal | Rahal Letterman Lanigan Racing | Honda | Fifth Third Bank |
| 17 | Kyle Larson | Arrow McLaren with Rick Hendrick | Chevrolet | Hendrick Cars |
| 18 | Rinus VeeKay | Dale Coyne Racing | Honda | askROI |
| 20 | Alexander Rossi W | ECR | Chevrolet | Java House |
| 21 | Christian Rasmussen | ECR | Chevrolet | Splenda |
| 23 | Ryan Hunter-Reay W | DRR-Cusick Motorsports | Chevrolet | TBD |
| 24 | Jack Harvey | DRR-Cusick Motorsports | Chevrolet | INVST |
| 26 | Colton Herta | Andretti Global with Curb-Agajanian | Honda | Gainbridge |
| 27 | Kyle Kirkwood | Andretti Global | Honda | TBD |
| 28 | Marcus Ericsson W | Andretti Global | Honda | Bryant |
| 30 | Devlin DeFrancesco | Rahal Letterman Lanigan Racing | Honda | EVTEC Group |
| 33 | Ed Carpenter | ECR | Chevrolet | TBD |
| 45 | Louis Foster R | Rahal Letterman Lanigan Racing | Honda | MI Jack |
| 51 | Jacob Abel R | Dale Coyne Racing | Honda | TBD |
| 60 | Felix Rosenqvist | Meyer Shank Racing | Honda | Sirius XM |
| 66 | Marcus Armstrong | Meyer Shank Racing | Honda | Sirius XM |
| 75 | Takuma Sato W | Rahal Letterman Lanigan Racing | Honda | Amada |
| 76 | Conor Daly | Juncos Hollinger Racing | Chevrolet | TBD |
| 77 | Sting Ray Robb | Juncos Hollinger Racing | Chevrolet | TBD |
| 83 | Robert Shwartzman R | Prema Racing | Chevrolet | TBD |
| 90 | Callum Ilott | Prema Racing | Chevrolet | TBD |
| 98 | Marco Andretti | Andretti Global | Honda | Mapei |
* W Former Indianapolis 500 winner
* R Indianpolis 500 rookie

## Testing and Rookie Orientation

Rookie rules for the Indianapolis 500 include the mandate that a driver pass a supervised high-speed oval test before he/she is allowed to participate in the official Rookie Orientation Program (ROP) at the Indianapolis Motor Speedway. Approved venues for the initial high-speed oval track test include Texas Motor Speedway, Homestead–Miami Speedway, and a few other select venues.
The Rookie Orientation Program at Indianapolis consists of three phases. For phase 1, each driver is required to complete ten laps between 205–210 mph (330–338 km/h), while demonstrating satisfactory car control, proper racing line, and safe interaction with other cars on the circuit. The laps do not have to be consecutive. Phase 2 is fifteen laps between 210–215 mph (338–346 km/h), and phase 3 is fifteen laps over 215 mph (346 km/h). Veteran drivers that have not competed in an IndyCar oval race since the previous year's Indy 500 are required to take a refresher test. The refresher test consists of phase 2 and phase 3 of the aforementioned rookie test.

### Rookie Orientation – October 2024

A private Rookie Orientation Program session was held October 10, 2024 for Nolan Siegel of Arrow McLaren. Siegel had passed ROP the previous May, however, he failed to qualify for the race, necessitating a re-take of the rookie test. Siegel passed the three-phase test without incident.

### Hybrid testing – October 2024

A two-day offseason test was held On October 10–11, 2024. Eleven teams were in attendance to evaluate the hybrid energy recovery system powertrains which were adopted midway through the 2024 IndyCar season. On Thursday, Josef Newgarden (Team Penske), Pato O'Ward (Arrow McLaren), and Álex Palou (Ganassi) primarily conducted tire tests for Firestone. On Friday, all eleven teams participated. Álex Palou (224.342 mph) turned the fastest lap of the day. No incidents were reported.

### Open Test

The full-field Open Test is scheduled for April 23–24, 2025.

## Broadcasting
### Television

The race will be carried live by FOX for the first time, as the network will take over from NBC, who had been the television broadcaster since 2019. On January 14, 2025, FOX announced their primary broadcast team for the full IndyCar season, with Will Buxton serving as lead commentator and James Hinchcliffe and Townsend Bell retaining their analyst roles they had previously held with NBC. On February 27, FOX announced their full season pit reporters to be Kevin Lee and Georgia Henneberry. Jack Harvey was also announced as a pit reporter, but will not participate in FOX's broadcast of the Indianapolis 500 as he is set to drive in the event.
FOX :
| Booth announcers | Pre/Post-race | Pit reporters |
| Announcer: Will Buxton Color: Townsend Bell Color: James Hinchcliffe | FOX Host: TBA Studio Analyst: TBA Analyst/Features: Tom Rinaldi Features: TBA Features: TBA | Georgia Henneberry Kevin Lee Jamie Little |