Road course · Illinois, USA

Blackhawk Farms Raceway

Blackhawk Farms Raceway is a road course in Illinois. OpenStreetMap maps one layout here, 1.71 mi (2.75 km). Below: the map, every corner with a computed line, the elevation, and where to stay and eat.

1.71
Miles
11
Corners
11
Ft of elevation

01Track map

Blackhawk track map

C1C2C3C4C5C6C7C8C9C10C11S/FN100 m
LayoutPit laneS/F Estimated

© OpenStreetMap contributorsODbL 1.0

Full circuit

Name inferred by TRACK from the mapped loops, not an official layout name.

Mapped length
1.71mi
2.75 km
Direction
Not mapped
TRACK takes it from your first drive.
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)
1.95 mi · mapped loop differs by more than 3%; OpenStreetMap may map a different version of this layout
Corners
12
Inferred from curvature, not official turn numbers
Sectors
3
Estimated, near each third of the lap
Data notes (1)
  • Length check failed — 2747 m computed vs 3138 m published (-12.5%, Published circuit length 1.95 mi (TRACK reference list; validation only — never used as geometry)). No mapped loop matches the published length (it may describe a layout OSM does not map as a closed loop, or a historic layout).

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

02Overview

What Blackhawk is like to drive.

The full circuit layout at Blackhawk is 1.71 miles with 11 corners worth setting up for and about 11 ft of elevation change. A generic track-day car in our model brakes hard 9 times a lap and is at full throttle for about 41% of the distance; the longest straight runs roughly 1083 ft.

2 of the corners are slow (under 50 mph in the model), 2 are fast (over 75 mph). There are hairpins where exit speed matters more than entry. The corner notes below come from the mapped geometry, not from local knowledge; we’ll add a researched guide for Blackhawk later.

03Lap at a glance

Where the speed is, and where the hills are.

Length
1.71mi
Elevation range
11ft
Steepest grade
1%
Braking zones
9model
Full throttle
41% model
Longest straight
1083ft
C1C2C3C4C5C6C7C8C9C10C11MPH12446FT758747S/F0.5 mi1.0 mi1.5 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 Blackhawk.

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

    Slow left-hander

    ↰ LeftslowcornerTRACK numbering

    A slow left-hand corner that turns about 93°, tightening to a radius of roughly 20 m (66 ft). The model car brakes for about 165 m (541 ft), from 125 to 46 mph. The computed line turns in from the right side, takes an apex close to the geometric apex, and lets the car run out to the right on exit.

    Turns
    93° left
    Tightest radius
    20 m
    Model speed
    125 → 46 mph
    Braking (model)
    165 m
    Grade
    +0.6%
  2. APEXTURN-INEXITBRAKE
    C2

    Medium left-hander

    ↰ LeftmediumhairpinTRACK numbering

    A medium left-hand hairpin that turns about 155°, tightening to a radius of roughly 26 m (85 ft). The model car brakes for about 75 m (246 ft), from 80 to 50 mph. 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
    155° left
    Tightest radius
    26 m
    Model speed
    80 → 50 mph
    Braking (model)
    75 m
    Grade
    -0.9%
  3. APEXTURN-INEXITBRAKE
    C3

    Medium right-hander

    ↱ RightmediumcornerTRACK numbering

    A medium right-hand corner that turns about 97°, tightening to a radius of roughly 55 m (180 ft). The model car brakes for about 95 m (312 ft), from 96 to 73 mph. The computed line turns in from the left side, takes an early apex, about 5 m before the geometric apex, and lets the car run out to the left on exit.

    Turns
    97° right
    Tightest radius
    55 m
    Model speed
    96 → 73 mph
    Braking (model)
    95 m
    Grade
    -0.1%
  4. APEXTURN-INEXITBRAKE
    C4

    Medium right-hander

    ↱ RightmediumchicaneTRACK numbering

    A medium right-hand chicane that turns about 70°, tightening to a radius of roughly 25 m (82 ft). The model car brakes for about 90 m (295 ft), from 88 to 55 mph. The computed line turns in from the left side, takes an apex close to the geometric apex, and lets the car run out to the left on exit.

    Turns
    70° right
    Tightest radius
    25 m
    Model speed
    88 → 55 mph
    Braking (model)
    90 m
    Grade
    +0.2%
  5. APEXTURN-INEXITBRAKE
    C5

    Bus Stop

    ↰ LeftmediumchicaneTRACK numbering

    A medium left-hand chicane that turns about 113°, tightening to a radius of roughly 21 m (69 ft). The model car brakes for about 90 m (295 ft), from 88 to 55 mph. The computed line turns in from the right side, takes an early apex, about 55 m before the geometric apex, and lets the car run out to the right on exit.

    Turns
    113° left
    Tightest radius
    21 m
    Model speed
    88 → 55 mph
    Braking (model)
    90 m
    Grade
    0.0%
  6. APEXTURN-INEXIT
    C6

    Bus Stop

    ↰ LeftslowchicaneTRACK numbering

    A slow left-hand chicane that turns about 114°, tightening to a radius of roughly 21 m (69 ft). The model car brakes for about 55 m (180 ft), from 74 to 46 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
    114° left
    Tightest radius
    21 m
    Model speed
    74 → 46 mph
    Braking (model)
    55 m
    Grade
    0.0%
  7. APEXTURN-INEXIT
    C7

    Medium left-hander

    ↰ LeftmediumchicaneTRACK numbering

    A medium left-hand chicane that turns about 53°, tightening to a radius of roughly 48 m (157 ft). The model car barely brakes here, carrying about 73 mph: a lift or a confident throttle balance. The computed line turns in from the right side, takes a late apex, about 40 m after the corner’s geometric apex, and lets the car run out to the right on exit.

    Turns
    53° left
    Tightest radius
    48 m
    Model speed
    ≈ 73 mph
    Braking (model)
    Lift / none
    Grade
    +0.6%
  8. APEXTURN-INEXIT
    C8

    Carousel

    ↰ LeftmediumhairpinTRACK numbering

    A medium left-hand hairpin that turns about 160°, tightening to a radius of roughly 38 m (125 ft). The model car brakes for about 145 m (476 ft), from 89 to 56 mph. The computed line turns in from the right side, takes an early apex, about 200 m before the geometric apex, and lets the car run out to the right on exit.

    Turns
    160° left
    Tightest radius
    38 m
    Model speed
    89 → 56 mph
    Braking (model)
    145 m
    Grade
    0.0%
  9. APEXTURN-INEXIT
    C9

    Fast right-hander

    ↱ RightfastcornerTRACK numbering

    A fast right-hand corner that turns about 32°, tightening to a radius of roughly 53 m (174 ft). The model car barely brakes here, carrying about 79 mph: a lift or a confident throttle balance. The computed line turns in from the left side, takes an apex close to the geometric apex, and lets the car run out to the left on exit.

    Turns
    32° right
    Tightest radius
    53 m
    Model speed
    ≈ 79 mph
    Braking (model)
    Lift / none
    Grade
    -0.8%
  10. APEXTURN-INEXIT
    C10

    Fast left-hander

    ↰ LeftfastkinkTRACK numbering

    A fast left-hand kink that turns about 13°, tightening to a radius of roughly 70 m (230 ft). The model car brakes for about 30 m (98 ft), from 106 to 94 mph. The computed line turns in from the right side, takes an early apex, about 15 m before the geometric apex, and lets the car run out to the right on exit.

    Turns
    13° left
    Tightest radius
    70 m
    Model speed
    106 → 94 mph
    Braking (model)
    30 m
    Grade
    -0.3%
  11. APEXTURN-INEXITBRAKE
    C11

    Medium left-hander

    ↰ LeftmediumcornerTRACK numbering

    A medium left-hand corner that turns about 89°, tightening to a radius of roughly 35 m (115 ft). The model car brakes for about 130 m (427 ft), from 106 to 55 mph. The computed line turns in from the right side, takes an apex close to the geometric apex, and lets the car run out to the right on exit.

    Turns
    89° left
    Tightest radius
    35 m
    Model speed
    106 → 55 mph
    Braking (model)
    130 m
    Grade
    +0.1%

05Time it with TRACK

Drive Blackhawk. TRACK knows where you are.

No setup and no transponder. Start a session in the paddock and TRACK recognises Blackhawk 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 Blackhawk, 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

06Plan your trip

Getting there, staying, eating.

Nearby places for Blackhawk haven’t been loaded yet.

FAQ

Blackhawk, answered.

How long is Blackhawk?

The mapped centerline of Blackhawk Farms Raceway is 1.71 mi (2.75 km) in OpenStreetMap, against a published 1.95 mi. Published lengths are measured differently, so small differences are normal.

How much elevation change is there at Blackhawk?

About 11 ft (4 m) between the lowest and highest points of the full circuit layout, from USGS 3DEP elevation data sampled every 25 m. The steepest stretch is around 1%.

Which direction does Blackhawk run?

OpenStreetMap doesn’t record a direction for the main layout at Blackhawk. Venues sometimes run both ways. TRACK takes the direction from your first laps.

Can I time laps at Blackhawk with my phone?

Yes, with the TRACK iPhone app (beta). It recognises Blackhawk 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 Blackhawk?

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 Blackhawk?

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

Where can I stay near Blackhawk?

This page lists hotels, campgrounds, restaurants, fuel and parts stores near Blackhawk 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 Blackhawk Farms Raceway, 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.