Road course · Oregon, USA
Portland International Raceway
Portland International Raceway is a road course in Oregon. OpenStreetMap maps one layout here, 2.05 mi (3.30 km). Below: the map, every corner with a computed line, the elevation, and where to stay and eat.
- 2.04
- Miles
- 10
- Corners
- 10
- Ft of elevation
01Track map
PIR track map
Full circuit
Name inferred by TRACK from the mapped loops, not an official layout name.
- Mapped length
- 2.05mi
- 3.30 km
- Direction
- 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)
- 1.97 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 — 3297 m computed vs 3166 m published (+4.1%, Published circuit length 1.967 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 PIR is like to drive.
The full circuit layout at PIR is 2.04 miles with 10 corners worth setting up for and about 10 ft of elevation change. A generic track-day car in our model brakes hard 7 times a lap and is at full throttle for about 49% of the distance; the longest straight runs roughly 2116 ft.
3 of the corners are slow (under 50 mph in the model), 1 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 PIR later.
03Lap at a glance
Where the speed is, and where the hills are.
- Length
- 2.04mi
- Elevation range
- 10ft
- Steepest grade
- 1%
- Braking zones
- 7model
- Full throttle
- 49% model
- Longest straight
- 2116ft
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 PIR.
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.
- C1
Shelton Chicane
↰ LeftslowchicaneTRACK numbering
A slow left-hand chicane that turns about 203°, tightening to a radius of roughly 12 m (39 ft). The model car brakes for about 185 m (607 ft), from 133 to 44 mph. The computed line turns in from the right side, takes an early apex, about 70 m before the geometric apex, and lets the car run out to the right on exit.
- Turns
- 203° left
- Tightest radius
- 12 m
- Model speed
- 133 → 44 mph
- Braking (model)
- 185 m
- Grade
- 0.0%
- C2
Shelton Chicane
↰ LeftslowchicaneTRACK numbering
A slow left-hand chicane that turns about 176°, tightening to a radius of roughly 12 m (39 ft). The model car brakes for about 35 m (115 ft), from 53 to 32 mph. The computed line turns in from the right side, takes an early apex, about 10 m before the geometric apex, and lets the car run out to the right on exit.
- Turns
- 176° left
- Tightest radius
- 12 m
- Model speed
- 53 → 32 mph
- Braking (model)
- 35 m
- Grade
- +0.1%
- C3
Shelton Chicane
↱ RightmediumcornerTRACK numbering
A medium right-hand corner that turns about 34°, tightening to a radius of roughly 24 m (79 ft). The model car barely brakes here, carrying about 63 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
- 34° right
- Tightest radius
- 24 m
- Model speed
- ≈ 63 mph
- Braking (model)
- Lift / none
- Grade
- +0.5%
- C4
Medium right-hander
↱ RightmediumhairpinTRACK numbering
A medium right-hand hairpin that turns about 208°, tightening to a radius of roughly 30 m (98 ft). The model car barely brakes here, carrying about 58 mph: a lift or a confident throttle balance. The computed line turns in from the left side, takes a late apex, about 35 m after the corner’s geometric apex, and lets the car run out to the left on exit.
- Turns
- 208° right
- Tightest radius
- 30 m
- Model speed
- ≈ 58 mph
- Braking (model)
- Lift / none
- Grade
- +0.3%
- C5
Medium left-hander
↰ LeftmediumhairpinTRACK numbering
A medium left-hand hairpin that turns about 147°, tightening to a radius of roughly 33 m (108 ft). The model car barely brakes here, carrying about 57 mph: a lift or a confident throttle balance. The computed line turns in from the right side, takes a late apex, about 175 m after the corner’s geometric apex, and lets the car run out to the right on exit.
- Turns
- 147° left
- Tightest radius
- 33 m
- Model speed
- ≈ 57 mph
- Braking (model)
- Lift / none
- Grade
- -0.2%
- C6
Slow right-hander
↱ RightslowchicaneTRACK numbering
A slow right-hand chicane that turns about 117°, tightening to a radius of roughly 20 m (66 ft). The model car brakes for about 90 m (295 ft), from 87 to 43 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
- 117° right
- Tightest radius
- 20 m
- Model speed
- 87 → 43 mph
- Braking (model)
- 90 m
- Grade
- -0.7%
- C7
Fast right-hander
↱ RightfastchicaneTRACK numbering
A fast right-hand chicane that turns about 41°, tightening to a radius of roughly 58 m (190 ft). The model car brakes for about 140 m (459 ft), from 136 to 91 mph. The computed line turns in from the left side, takes an early apex, about 75 m before the geometric apex, and lets the car run out to the left on exit.
- Turns
- 41° right
- Tightest radius
- 58 m
- Model speed
- 136 → 91 mph
- Braking (model)
- 140 m
- Grade
- -0.2%
- C8
Medium left-hander
↰ LeftmediumchicaneTRACK numbering
A medium left-hand chicane that turns about 80°, tightening to a radius of roughly 22 m (72 ft). The model car brakes for about 50 m (164 ft), from 95 to 73 mph. The computed line turns in from the right side, takes an early apex, about 75 m before the geometric apex, and lets the car run out to the right on exit.
- Turns
- 80° left
- Tightest radius
- 22 m
- Model speed
- 95 → 73 mph
- Braking (model)
- 50 m
- Grade
- -0.2%
- C9
Drag strip
↰ LeftmediumchicaneTRACK numbering
A medium left-hand chicane that turns about 89°, tightening to a radius of roughly 22 m (72 ft). The model car brakes for about 30 m (98 ft), from 72 to 61 mph. The computed line turns in from the right side, takes a late apex, about 80 m after the corner’s geometric apex, and lets the car run out to the right on exit.
- Turns
- 89° left
- Tightest radius
- 22 m
- Model speed
- 72 → 61 mph
- Braking (model)
- 30 m
- Grade
- -0.9%
- C10
Drag strip
↱ RightmediumhairpinTRACK numbering
A medium right-hand hairpin that turns about 143°, tightening to a radius of roughly 10 m (33 ft). The model car brakes for about 30 m (98 ft), from 72 to 61 mph. The computed line turns in from the left side, takes an early apex, about 145 m before the geometric apex, and lets the car run out to the left on exit.
- Turns
- 143° right
- Tightest radius
- 10 m
- Model speed
- 72 → 61 mph
- Braking (model)
- 30 m
- Grade
- -0.8%
05Time it with TRACK
Drive PIR. TRACK knows where you are.
No setup and no transponder. Start a session in the paddock and TRACK recognises PIR and the layout from your GPS trace, then times every lap and sector with a live delta to your best.
- 1DetectTRACK matches your first few hundred metres against every mapped layout at PIR, including shared pavement between configurations.
- 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.
- 3Laps, timed retroactivelyLaps you drove before confirming are timed from the recorded trace, so you don’t lose your first session.
- 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.
- 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 PIR haven’t been loaded yet.
07Track days
Find an open track day at PIR.
TRACK doesn’t copy event listings. An on-page calendar will come with an organizer data partnership.
Before your first day here
08Nearby tracks
Closest mapped venues.
- Oregon Raceway ParkOregon · 96 mi away
- Ridge Motorsports ParkWashington · 117 mi away
- Pacific RacewaysWashington · 122 mi away
- Evergreen SpeedwayWashington · 161 mi away
Straight-line distance between venues. All 96 tracks
FAQ
PIR, answered.
How long is PIR?
The mapped centerline of Portland International Raceway is 2.05 mi (3.30 km) in OpenStreetMap, against a published 1.97 mi. Published lengths are measured differently, so small differences are normal.
How much elevation change is there at PIR?
About 10 ft (3 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 PIR run?
The main mapped layout runs clockwise, from one-way tagging in OpenStreetMap. Check the event’s driver briefing: some venues run reverse-direction days.
Can I time laps at PIR with my phone?
Yes, with the TRACK iPhone app (beta). It recognises PIR 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 PIR?
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 PIR?
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 PIR?
This page lists hotels, campgrounds, restaurants, fuel and parts stores near PIR 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 Portland International 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.