This is a visual explainer based on the Wikipedia article on the 2005 Portland Grand Prix. Read the full source article here. (opens in new tab)

Velocity Unveiled

A deep dive into the strategic maneuvers, technical prowess, and thrilling outcomes of the American Le Mans Series' pivotal Portland event.

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Race Overview

Event Context

The 2005 Portland Grand Prix represented the sixth competitive event within the 2005 American Le Mans Series (ALMS) season. This significant race was held on July 30, 2005, at the renowned Portland International Raceway, a venue celebrated for its dynamic road course layout.

The American Le Mans Series

The American Le Mans Series was a premier sports car racing series in North America, known for its blend of endurance racing principles and diverse car classes. It brought together cutting-edge prototype machines and highly modified production-based grand touring cars, offering a compelling spectacle of speed, strategy, and technological innovation.

The Venue: Portland

Portland International Raceway (PIR) served as the host for this Grand Prix. Located in Portland, Oregon, PIR is a historic multi-purpose motorsports facility. Its road course configuration provides a challenging environment for drivers, characterized by a mix of high-speed straights and technical corners, demanding both raw power and precise handling from the competing teams.

Official Results

Final Standings by Class

Presented below are the official results for the 2005 Portland Grand Prix. Class winners are prominently highlighted in bold. It is important to note that cars failing to complete at least 70% of the overall winner's distance were designated as "Not Classified" (NC), indicating they did not meet the minimum race completion criteria.

Pos Class No Team Drivers Chassis Tyre Laps
Engine
1 LMP1 2 United States ๐Ÿ‡บ๐Ÿ‡ธ ADT Champion Racing Germany ๐Ÿ‡ฉ๐Ÿ‡ช Frank Biela
Italy ๐Ÿ‡ฎ๐Ÿ‡น Emanuele Pirro
Audi R8 M 137
Audi 3.6L Turbo V8
2 LMP1 20 United States ๐Ÿ‡บ๐Ÿ‡ธ Dyson Racing United States ๐Ÿ‡บ๐Ÿ‡ธ Chris Dyson
United Kingdom ๐Ÿ‡ฌ๐Ÿ‡ง Andy Wallace
MG-Lola EX257 M 137
MG (AER) XP20 2.0L Turbo I4
3 LMP1 16 United States ๐Ÿ‡บ๐Ÿ‡ธ Dyson Racing United States ๐Ÿ‡บ๐Ÿ‡ธ Butch Leitzinger
United Kingdom ๐Ÿ‡ฌ๐Ÿ‡ง James Weaver
MG-Lola EX257 M 136
MG (AER) XP20 2.0L Turbo I4
4 LMP2 37 United States ๐Ÿ‡บ๐Ÿ‡ธ Intersport Racing United States ๐Ÿ‡บ๐Ÿ‡ธ Clint Field
United Kingdom ๐Ÿ‡ฌ๐Ÿ‡ง Gregor Fisken
Lola B05/40 G 132
AER P07 2.0L Turbo I4
5 GT1 4 United States ๐Ÿ‡บ๐Ÿ‡ธ Corvette Racing United Kingdom ๐Ÿ‡ฌ๐Ÿ‡ง Oliver Gavin
Monaco ๐Ÿ‡ฒ๐Ÿ‡จ Olivier Beretta
Chevrolet Corvette C6.R M 131
Chevrolet 7.0L V8
6 GT1 3 United States ๐Ÿ‡บ๐Ÿ‡ธ Corvette Racing Canada ๐Ÿ‡จ๐Ÿ‡ฆ Ron Fellows
United States ๐Ÿ‡บ๐Ÿ‡ธ Johnny O'Connell
Chevrolet Corvette C6.R M 131
Chevrolet 7.0L V8
7 LMP1 12 United States ๐Ÿ‡บ๐Ÿ‡ธ Autocon Motorsports United States ๐Ÿ‡บ๐Ÿ‡ธ Bryan Willman
United States ๐Ÿ‡บ๐Ÿ‡ธ Michael Lewis
Riley & Scott Mk III C D 130
Elan 6L8 6.0L V8
8 GT1 5 United States ๐Ÿ‡บ๐Ÿ‡ธ Pacific Coast Motorsports United States ๐Ÿ‡บ๐Ÿ‡ธ Alex Figge
United Kingdom ๐Ÿ‡ฌ๐Ÿ‡ง Ryan Dalziel
Chevrolet Corvette C5-R Y 130
Chevrolet 7.0L V8
9 GT1 35 Italy ๐Ÿ‡ฎ๐Ÿ‡น Maserati Corse
United States ๐Ÿ‡บ๐Ÿ‡ธ Risi Competizione
Italy ๐Ÿ‡ฎ๐Ÿ‡น Fabrizio de Simone
Finland ๐Ÿ‡ซ๐Ÿ‡ฎ Mika Salo
Maserati MC12 P 129
Maserati 6.0L V12
10 GT2 23 United States ๐Ÿ‡บ๐Ÿ‡ธ Alex Job Racing Germany ๐Ÿ‡ฉ๐Ÿ‡ช Timo Bernhard
France ๐Ÿ‡ซ๐Ÿ‡ท Romain Dumas
Porsche 911 GT3-RSR M 125
Porsche 3.6L Flat-6
11 GT2 43 United States ๐Ÿ‡บ๐Ÿ‡ธ BAM! Denmark ๐Ÿ‡ฉ๐Ÿ‡ฐ Martin Jensen
Germany ๐Ÿ‡ฉ๐Ÿ‡ช Wolf Henzler
Porsche 911 GT3-RSR Y 124
Porsche 3.6L Flat-6
12 GT2 45 United States ๐Ÿ‡บ๐Ÿ‡ธ Flying Lizard Motorsports United States ๐Ÿ‡บ๐Ÿ‡ธ Johannes van Overbeek
United States ๐Ÿ‡บ๐Ÿ‡ธ Jon Fogarty
Porsche 911 GT3-RSR M 124
Porsche 3.6L Flat-6
13 GT1 71 United States ๐Ÿ‡บ๐Ÿ‡ธ Carsport America Italy ๐Ÿ‡ฎ๐Ÿ‡น Michele Rugolo
United States ๐Ÿ‡บ๐Ÿ‡ธ Tom Weickardt
Dodge Viper GTS-R P 123
Dodge 8.0L V10
14 GT2 50 United States ๐Ÿ‡บ๐Ÿ‡ธ Panoz Motor Sports United States ๐Ÿ‡บ๐Ÿ‡ธ Bryan Sellers
United Kingdom ๐Ÿ‡ฌ๐Ÿ‡ง Robin Liddell
Panoz Esperante GT-LM P 123
Ford (Elan) 5.0L V8
15 GT2 51 United States ๐Ÿ‡บ๐Ÿ‡ธ Panoz Motor Sports United Kingdom ๐Ÿ‡ฌ๐Ÿ‡ง Marino Franchitti
France ๐Ÿ‡ซ๐Ÿ‡ท Christophe Tinseau
Panoz Esperante GT-LM P 122
Ford (Elan) 5.0L V8
16 GT2 79 United States ๐Ÿ‡บ๐Ÿ‡ธ J3 Racing United States ๐Ÿ‡บ๐Ÿ‡ธ Justin Jackson
United States ๐Ÿ‡บ๐Ÿ‡ธ Michael Galati
Porsche 911 GT3-RSR P 120
Porsche 3.6L Flat-6
17 GT2 44 United States ๐Ÿ‡บ๐Ÿ‡ธ Flying Lizard Motorsports United States ๐Ÿ‡บ๐Ÿ‡ธ Lonnie Pechnik
United States ๐Ÿ‡บ๐Ÿ‡ธ Seth Neiman
Porsche 911 GT3-RSR M 120
Porsche 3.6L Flat-6
18 LMP2 8 United States ๐Ÿ‡บ๐Ÿ‡ธ B-K Motorsport United States ๐Ÿ‡บ๐Ÿ‡ธ Guy Cosmo
United States ๐Ÿ‡บ๐Ÿ‡ธ Jamie Bach
Courage C65 G 117
Mazda R20B 2.0L 3-Rotor
19 GT2 31 United States ๐Ÿ‡บ๐Ÿ‡ธ Petersen Motorsports
United States ๐Ÿ‡บ๐Ÿ‡ธ White Lightning Racing
United States ๐Ÿ‡บ๐Ÿ‡ธ Patrick Long
Germany ๐Ÿ‡ฉ๐Ÿ‡ช Jรถrg Bergmeister
Porsche 911 GT3-RSR M 113
Porsche 3.6L Flat-6
20
DNF
GT2 24 United States ๐Ÿ‡บ๐Ÿ‡ธ Alex Job Racing United States ๐Ÿ‡บ๐Ÿ‡ธ Ian Baas
United States ๐Ÿ‡บ๐Ÿ‡ธ Darren Law
Porsche 911 GT3-RSR M 95
Porsche 3.6L Flat-6
21
DNF
LMP2 10 United States ๐Ÿ‡บ๐Ÿ‡ธ Miracle Motorsports United States ๐Ÿ‡บ๐Ÿ‡ธ Jeff Bucknum
United States ๐Ÿ‡บ๐Ÿ‡ธ Chris McMurry
Courage C65 K 86
AER P07 2.0L Turbo I4
22
DNF
GT1 63 United States ๐Ÿ‡บ๐Ÿ‡ธ ACEMCO Motorsports United States ๐Ÿ‡บ๐Ÿ‡ธ Terry Borcheller
United Kingdom ๐Ÿ‡ฌ๐Ÿ‡ง Johnny Mowlem
Saleen S7-R M 48
Ford 7.0L V8
23
DNF
LMP1 1 United States ๐Ÿ‡บ๐Ÿ‡ธ ADT Champion Racing Germany ๐Ÿ‡ฉ๐Ÿ‡ช Marco Werner
Finland ๐Ÿ‡ซ๐Ÿ‡ฎ JJ Lehto
Audi R8 M 48
Audi 3.6L Turbo V8

Key Statistics

Performance Metrics

The 2005 Portland Grand Prix showcased intense competition, reflected in these critical performance statistics:

  • Pole Position: Achieved by the #20 Dyson Racing team with a qualifying lap time of 1:02.712. This signifies their superior pace during the pre-race qualifying session.
  • Fastest Lap: Also set by the #20 Dyson Racing team during the race, recording an impressive 1:04.271. This indicates their peak performance and efficiency on the track during competitive conditions.

Race Dimensions

The overall scale of the event can be understood through its total distance and average speed:

  • Distance: The race covered a total distance of 269.068 miles (equivalent to 433.023 kilometers). This metric highlights the endurance aspect of the American Le Mans Series.
  • Average Speed: The winning car maintained an average speed of 97.78 mph (or 157.36 km/h) throughout the event. This figure provides insight into the overall pace and competitive intensity of the Grand Prix.

The Track

Portland International Raceway

The 2005 Portland Grand Prix was contested at the Portland International Raceway (PIR), a well-regarded motorsports venue located in Portland, Oregon. PIR is known for its flat, fast road course layout, which often leads to close and strategic racing. The track's design, while seemingly straightforward, demands precision and consistent performance from drivers and teams.

Historical Significance

PIR has a rich history in American motorsports, hosting various racing series over the decades. Its inclusion in the American Le Mans Series calendar underscored its status as a significant circuit for top-tier sports car competition. The track's characteristics contribute to a unique racing challenge, making each event held there a notable chapter in racing history.

The Series

American Le Mans Series (ALMS)

The American Le Mans Series (ALMS) was a prominent sports car racing series that operated from 1999 to 2013. It was founded by Don Panoz and was sanctioned by the International Motor Sports Association (IMSA). The series was designed to bring the spirit and regulations of the 24 Hours of Le Mans endurance race to North America, featuring multiple classes of prototype and grand touring cars competing simultaneously.

Class Structure

ALMS races, including the Portland Grand Prix, featured a multi-class format, allowing different types of cars to compete on the same track at the same time. The primary classes were:

  • LMP1 (Le Mans Prototype 1): The fastest and most technologically advanced prototype cars.
  • LMP2 (Le Mans Prototype 2): Slightly less powerful prototypes, often with more restrictive regulations.
  • GT1 (Grand Touring 1): Highly modified production-based sports cars.
  • GT2 (Grand Touring 2): Production-based sports cars with closer ties to their road-going counterparts.

This structure created dynamic racing, with overall victories often going to the prototypes, while intense battles for class honors unfolded throughout the field.

Race Legacy

Season Progression

As the sixth race of the 2005 ALMS season, the Portland Grand Prix played a crucial role in the championship standings. Each event contributed points towards the overall season titles for drivers, teams, and manufacturers across all classes. The results from Portland helped shape the competitive landscape as the season progressed towards its conclusion.

Sequential Context

The 2005 Portland Grand Prix followed the 2005 Grand Prix of Sonoma and preceded the 2005 Road America 500. This sequential placement within the series calendar highlights its position as a mid-season challenge, where teams aimed to consolidate their championship bids or recover lost ground.

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References

References

A full list of references for this article are available at the 2005 Portland Grand Prix Wikipedia page

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