Road course · Indiana, USA

Indianapolis Motor Speedway

Indianapolis Motor Speedway is a road course in Indiana. OpenStreetMap maps 2 layouts here, the longest 2.53 mi (4.07 km). Below: the map, every corner with a computed line, the elevation, and where to stay and eat.

2.53
Miles
8
Corners
14
Ft of elevation

01Track map

IMS track map

C1C2C3C4C5C6C7C8S/FN250 m
LayoutOther loopsPit laneS/F Estimated

© OpenStreetMap contributorsODbL 1.0

Indianapolis Motor Speedway 2026

Layout name from an OpenStreetMap circuit relation.

Mapped length
2.53mi
4.07 km
Direction
Counter-clockwise
From OSM one-way tagging.
Start/finish line
Estimated
Estimated by TRACK from the mapped geometry and not verified on site. TRACK asks you to confirm or move it before timing laps here, when you’re stopped.
Published length (cross-check)
2.50 mi · mapped loop agrees within 3%
Corners
8
Inferred from curvature, not official turn numbers
Sectors
3
Estimated, near each third of the lap

Source geometry: OpenStreetMap ↗. Something wrong? Fixing it in OpenStreetMap improves it for everyone.

02Overview

What IMS is like to drive.

The indianapolis motor speedway 2026 layout at IMS is 2.53 miles with 8 corners worth setting up for and about 14 ft of elevation change. A generic track-day car in our model brakes hard 4 times a lap and is at full throttle for about 74% of the distance; the longest straight runs roughly 3724 ft.

0 of the corners are slow (under 50 mph in the model), 8 are fast (over 75 mph). The corner notes below come from the mapped geometry, not from local knowledge; we’ll add a researched guide for IMS later.

03Lap at a glance

Where the speed is, and where the hills are.

Length
2.53mi
Elevation range
14ft
Steepest grade
1%
Braking zones
4model
Full throttle
74% model
Longest straight
3724ft
C1C2C3C4C5C6C7C8MPH149110FT741726S/F0.5 mi1.0 mi1.5 mi2.0 mi2.5 mi
Model speed (generic track-day car)Elevation · USGS 3DEP

The speed trace is a model, not a real lap: a generic track-day car (about 1.1 g of cornering grip, 1 g braking, 150 W/kg) driven on the computed line through an assumed 12 m wide track. Use it to see where the braking zones and flat-out sections are, not to predict your speeds. Elevation: USGS 3DEP 1/3 arc-second (NED 10 m) via OpenTopoData, sampled every 25 m along the mapped centerline.

04Corner by corner

The corners at IMS.

TRACK’s own corner numbering (C1, C2…), found from the curvature of the mapped centerline. It isn’t the official turn numbering. Each diagram shows the computed line: the minimum-curvature path through an assumed 12 m wide track. It’s a geometric starting point. Your instructor’s line comes first.

  1. APEXTURN-INEXITBRAKE
    C1

    Fast left-hander

    ↰ LeftfastkinkTRACK numbering

    A fast left-hand kink that turns about 25°, tightening to a radius of roughly 133 m (436 ft). The model car brakes for about 105 m (344 ft), from 129 to 118 mph. The computed line turns in from the right side, takes an early apex, about 5 m before the geometric apex, and lets the car run out to the right on exit.

    Turns
    25° left
    Tightest radius
    133 m
    Model speed
    129 → 118 mph
    Braking (model)
    105 m
    Grade
    +0.7%
  2. APEXTURN-INEXIT
    C2

    Fast left-hander

    ↰ LeftfastcornerTRACK numbering

    A fast left-hand corner that turns about 38°, tightening to a radius of roughly 117 m (384 ft). The model car barely brakes here, carrying about 115 mph: a lift or a confident throttle balance. The computed line turns in from the right side, takes an early apex, about 5 m before the geometric apex, and lets the car run out to the right on exit.

    Turns
    38° left
    Tightest radius
    117 m
    Model speed
    ≈ 115 mph
    Braking (model)
    Lift / none
    Grade
    -0.1%
  3. APEXTURN-INEXIT
    C3

    Fast left-hander

    ↰ LeftfastkinkTRACK numbering

    A fast left-hand kink that turns about 27°, tightening to a radius of roughly 142 m (466 ft). The model car barely brakes here, carrying about 116 mph: a lift or a confident throttle balance. The computed line turns in from the right side, takes an early apex, about 40 m before the geometric apex, and lets the car run out to the right on exit.

    Turns
    27° left
    Tightest radius
    142 m
    Model speed
    ≈ 116 mph
    Braking (model)
    Lift / none
    Grade
    -0.6%
  4. APEXTURN-INEXITBRAKE
    C4

    Fast left-hander

    ↰ LeftfastcornerTRACK numbering

    A fast left-hand corner that turns about 83°, tightening to a radius of roughly 83 m (272 ft). The model car brakes for about 165 m (541 ft), from 149 to 113 mph. The computed line turns in from the right side, takes a late apex, about 230 m after the corner’s geometric apex, and lets the car run out to the right on exit.

    Turns
    83° left
    Tightest radius
    83 m
    Model speed
    149 → 113 mph
    Braking (model)
    165 m
    Grade
    -0.2%
  5. APEXTURN-INEXIT
    C5

    Fast left-hander

    ↰ LeftfastcornerTRACK numbering

    A fast left-hand corner that turns about 37°, tightening to a radius of roughly 87 m (285 ft). The model car barely brakes here, carrying about 115 mph: a lift or a confident throttle balance. The computed line turns in from the right side, takes an early apex, about 45 m before the geometric apex, and lets the car run out to the right on exit.

    Turns
    37° left
    Tightest radius
    87 m
    Model speed
    ≈ 115 mph
    Braking (model)
    Lift / none
    Grade
    +0.5%
  6. APEXTURN-INEXIT
    C6

    Fast left-hander

    ↰ LeftfastcornerTRACK numbering

    A fast left-hand corner that turns about 46°, tightening to a radius of roughly 75 m (246 ft). The model car brakes for about 75 m (246 ft), from 120 to 113 mph. The computed line turns in from the right side, takes a late apex, about 70 m after the corner’s geometric apex, and lets the car run out to the right on exit.

    Turns
    46° left
    Tightest radius
    75 m
    Model speed
    120 → 113 mph
    Braking (model)
    75 m
    Grade
    -0.2%
  7. APEXTURN-INEXITBRAKE
    C7

    Fast left-hander

    ↰ LeftfastcornerTRACK numbering

    A fast left-hand corner that turns about 38°, tightening to a radius of roughly 103 m (338 ft). The model car brakes for about 170 m (558 ft), from 148 to 115 mph. The computed line turns in from the right side, takes an early apex, about 65 m before the geometric apex, and lets the car run out to the right on exit.

    Turns
    38° left
    Tightest radius
    103 m
    Model speed
    148 → 115 mph
    Braking (model)
    170 m
    Grade
    +0.6%
  8. APEXTURN-INEXIT
    C8

    Fast left-hander

    ↰ LeftfastkinkTRACK numbering

    A fast left-hand kink that turns about 28°, tightening to a radius of roughly 109 m (358 ft). The model car barely brakes here, carrying about 110 mph: a lift or a confident throttle balance. The computed line turns in from the right side, takes a late apex, about 5 m after the corner’s geometric apex, and lets the car run out to the right on exit.

    Turns
    28° left
    Tightest radius
    109 m
    Model speed
    ≈ 110 mph
    Braking (model)
    Lift / none
    Grade
    -0.2%

05Configurations

Every mapped loop at IMS.

TRACK finds each closed loop in the OpenStreetMap raceway network. Named layouts come from OSM circuit relations; the rest are named by length, and some may be combinations the venue never runs. Your first session confirms which one you drove.

  • N250 m

    Indianapolis Motor Speedway 2026

    2.53 mi

    4.07 kmCounter-clockwiseS/F Estimated

  • N250 m

    IMS IGTC 2023

    2.43 mi

    3.91 kmClockwiseS/F Estimated

© OpenStreetMap contributorsODbL 1.0

06Time it with TRACK

Drive IMS. TRACK knows where you are.

No setup and no transponder. Start a session in the paddock and TRACK recognises IMS and the layout from your GPS trace, then times every lap and sector with a live delta to your best.

iPhone · betaAndroid · planned
  1. 1DetectTRACK matches your first few hundred metres against every mapped layout at IMS, including shared pavement between configurations.
  2. 2Confirm the lineThe start/finish line here is estimated. When you’re stopped, TRACK shows it on the map: accept it or tap to move it. You’re never asked while driving.
  3. 3Laps, timed retroactivelyLaps you drove before confirming are timed from the recorded trace, so you don’t lose your first session.
  4. 4Go furtherSync a GoPro for video with telemetry and let TRACK Engineer point out where the time is. External 10–25 Hz GPS receivers for tighter sectors are awaiting hardware validation.
  5. Venue and layout detection is tested on simulated drives over real OpenStreetMap circuits, not yet in a real car. Compatible GPS receivers

07Plan your trip

Getting there, staying, eating.

Nearby places for IMS haven’t been loaded yet.

FAQ

IMS, answered.

How long is IMS?

OpenStreetMap maps 2 closed loops at Indianapolis Motor Speedway, from 2.43 mi to 2.53 mi (4.07 km). These are mapped centerline lengths; the venue’s published figures can differ slightly. The published length we cross-check against is 2.50 mi.

How much elevation change is there at IMS?

About 14 ft (4 m) between the lowest and highest points of the indianapolis motor speedway 2026 layout, from USGS 3DEP elevation data sampled every 25 m. The steepest stretch is around 1%.

Which direction does IMS run?

The main mapped layout runs counter-clockwise, from one-way tagging in OpenStreetMap. Check the event’s driver briefing: some venues run reverse-direction days.

Can I time laps at IMS with my phone?

Yes, with the TRACK iPhone app (beta). It recognises IMS and the layout you’re driving from GPS, then times laps and sectors. A phone’s GPS is good for lap times; an external 10–25 Hz receiver tightens sector splits.

Where is the start/finish line at IMS?

TRACK estimates the line from the mapped geometry (usually beside the pit lane, or on the longest straight). It isn’t verified on site, so the app asks you to confirm or move it before timing your first session here.

How do I find track days at IMS?

Clubs and organizers list HPDE, track days and club races on MotorsportReg. The venue’s own calendar (also linked) lists its events too. TRACK doesn’t list events itself.

Where can I stay near IMS?

This page lists hotels, campgrounds, restaurants, fuel and parts stores near IMS from OpenStreetMap, with straight-line distances. Book early for big event weekends.

Track geometry and nearby places: © OpenStreetMap contributors, available under the Open Database License 1.0 (via the TRACK Atlas, snapshot 2026-10-17). Elevation: USGS 3DEP (public domain). Lengths are mapped centerlines, not official figures. The computed line and speed trace are a model. No start/finish line has been verified on site.

TRACK is not affiliated with or endorsed by Indianapolis Motor Speedway, MotorsportReg or any business listed here. The venue name identifies the location only and belongs to its owner. TRACK shows no lap records or official results for this venue. Driving advice is general: your instructor, the event’s rules and the venue’s rules come first.