Road course · Texas, USA

Harris Hill Raceway

Harris Hill Raceway is a road course in Texas. OpenStreetMap maps one layout here, 1.81 mi (2.92 km). Below: the map, every corner with a computed line, the elevation, and where to stay and eat.

1.81
Miles
10
Corners
57
Ft of elevation

01Track map

Harris Hill track map

C1C2C3C4C5C6C7C8C9C10S/FN250 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
1.81mi
2.92 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)
1.82 mi · mapped loop agrees within 3%
Corners
11
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 Harris Hill is like to drive.

The full circuit layout at Harris Hill is 1.81 miles with 10 corners worth setting up for and about 57 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 32% of the distance; the longest straight runs roughly 804 ft.

1 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. Some apexes sit on crests, where the car goes light. The corner notes below come from the mapped geometry, not from local knowledge; we’ll add a researched guide for Harris Hill later.

03Lap at a glance

Where the speed is, and where the hills are.

Length
1.81mi
Elevation range
57ft
Steepest grade
9%
Braking zones
4model
Full throttle
32% model
Longest straight
804ft
C1C2C3C4C5C6C7C8C9C10MPH11547FT702645S/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 Harris Hill.

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

    Medium right-hander

    ↱ RightmediumchicaneTRACK numbering

    A medium right-hand chicane that turns about 49°, tightening to a radius of roughly 65 m (213 ft). The model car brakes for about 85 m (279 ft), from 94 to 50 mph. The computed line turns in from the left side, takes a late apex, about 105 m after the corner’s geometric apex, and lets the car run out to the left on exit.

    Turns
    49° right
    Tightest radius
    65 m
    Model speed
    94 → 50 mph
    Braking (model)
    85 m
    Grade
    -0.5%
  2. APEXTURN-INEXITBRAKE
    C2

    Slow left-hander

    ↰ LeftslowhairpinTRACK numbering

    A slow left-hand hairpin that turns about 162°, tightening to a radius of roughly 24 m (79 ft). It drops through the corner (about 3% grade). The model car brakes for about 125 m (410 ft), from 94 to 47 mph. The computed line turns in from the right side, takes a late apex, about 25 m after the corner’s geometric apex, and lets the car run out to the right on exit.

    Turns
    162° left
    Tightest radius
    24 m
    Model speed
    94 → 47 mph
    Braking (model)
    125 m
    Grade
    -2.9%
  3. APEXTURN-INEXIT
    C3

    Medium left-hander

    ↰ LeftmediumcornerTRACK numbering

    A medium left-hand corner that turns about 61°, tightening to a radius of roughly 63 m (207 ft). The model car barely brakes here, carrying about 69 mph: a lift or a confident throttle balance. The computed line turns in from the right side, takes a late apex, about 150 m after the corner’s geometric apex, and lets the car run out to the right on exit.

    Turns
    61° left
    Tightest radius
    63 m
    Model speed
    ≈ 69 mph
    Braking (model)
    Lift / none
    Grade
    -0.1%
  4. APEXTURN-INEXIT
    C4

    Medium right-hander

    ↱ RightmediumcornerTRACK numbering

    A medium right-hand corner that turns about 123°, tightening to a radius of roughly 45 m (148 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 left side, takes a late apex, about 90 m after the corner’s geometric apex, and lets the car run out to the left on exit.

    Turns
    123° right
    Tightest radius
    45 m
    Model speed
    ≈ 73 mph
    Braking (model)
    Lift / none
    Grade
    -0.5%
  5. APEXTURN-INEXITBRAKE
    C5

    Medium left-hander

    ↰ LeftmediumhairpinTRACK numbering

    A medium left-hand hairpin that turns about 154°, tightening to a radius of roughly 35 m (115 ft). The model car brakes for about 120 m (394 ft), from 96 to 49 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
    154° left
    Tightest radius
    35 m
    Model speed
    96 → 49 mph
    Braking (model)
    120 m
    Grade
    +1.6%
  6. APEXTURN-INEXIT
    C6

    Fast left-hander

    ↰ LeftfastcornerTRACK numbering

    A fast left-hand corner that turns about 40°, tightening to a radius of roughly 49 m (161 ft). The model car barely brakes here, carrying about 86 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
    40° left
    Tightest radius
    49 m
    Model speed
    ≈ 86 mph
    Braking (model)
    Lift / none
    Grade
    +0.3%
  7. APEXTURN-INEXIT
    C7

    Medium right-hander

    ↱ RightmediumhairpinTRACK numbering

    A medium right-hand hairpin that turns about 145°, tightening to a radius of roughly 25 m (82 ft). It climbs through the corner (about 5% grade) and goes over a crest, so the car goes light at the apex. The model car barely brakes here, carrying about 55 mph: a lift or a confident throttle balance. The computed line turns in from the left side, takes a late apex, about 85 m after the corner’s geometric apex, and lets the car run out to the left on exit.

    Turns
    145° right
    Tightest radius
    25 m
    Model speed
    ≈ 55 mph
    Braking (model)
    Lift / none
    Grade
    +5.2% · crest
  8. APEXTURN-INEXIT
    C8

    Medium left-hander

    ↰ LeftmediumhairpinTRACK numbering

    A medium left-hand hairpin that turns about 188°, tightening to a radius of roughly 28 m (92 ft). The apex sits on a crest, so expect the car to go light. The model car barely brakes here, carrying about 49 mph: a lift or a confident throttle balance. The computed line turns in from the right side, takes an early apex, about 60 m before the geometric apex, and lets the car run out to the right on exit.

    Turns
    188° left
    Tightest radius
    28 m
    Model speed
    ≈ 49 mph
    Braking (model)
    Lift / none
    Grade
    -0.4% · crest
  9. APEXTURN-INEXITBRAKE
    C9

    Fast left-hander

    ↰ LeftfasthairpinTRACK numbering

    A fast left-hand hairpin that turns about 132°, tightening to a radius of roughly 31 m (102 ft). The model car brakes for about 115 m (377 ft), from 115 to 84 mph. The computed line turns in from the right side, takes an early apex, about 145 m before the geometric apex, and lets the car run out to the right on exit.

    Turns
    132° left
    Tightest radius
    31 m
    Model speed
    115 → 84 mph
    Braking (model)
    115 m
    Grade
    +1.9%
  10. APEXTURN-INEXIT
    C10

    Medium right-hander

    ↱ RightmediumcornerTRACK numbering

    A medium right-hand corner that turns about 41°, tightening to a radius of roughly 33 m (108 ft). The model car barely brakes here, carrying about 72 mph: a lift or a confident throttle balance. The computed line turns in from the left side, takes a late apex, about 5 m after the corner’s geometric apex, and lets the car run out to the left on exit.

    Turns
    41° right
    Tightest radius
    33 m
    Model speed
    ≈ 72 mph
    Braking (model)
    Lift / none
    Grade
    -1.7%

05Time it with TRACK

Drive Harris Hill. TRACK knows where you are.

No setup and no transponder. Start a session in the paddock and TRACK recognises Harris Hill 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 Harris Hill, 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 Harris Hill haven’t been loaded yet.

FAQ

Harris Hill, answered.

How long is Harris Hill?

The mapped centerline of Harris Hill Raceway is 1.81 mi (2.92 km) in OpenStreetMap, against a published 1.82 mi. Published lengths are measured differently, so small differences are normal.

How much elevation change is there at Harris Hill?

About 57 ft (18 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 9%.

Which direction does Harris Hill run?

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

Can I time laps at Harris Hill with my phone?

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

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 Harris Hill?

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 Harris Hill?

This page lists hotels, campgrounds, restaurants, fuel and parts stores near Harris Hill 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 Harris Hill 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.