Grattan Raceway Park

サーキット情報

大陸: 北米
国名/地域: アメリカ合衆国
サーキット名: Grattan Raceway Park
サーキットの長さ: 3.219 km (2.000 miles)
サーキットドロップ: 259
ベンド数: 10
サーキットアドレス: 7201 Lessiter Road, Belding,MI 48809, USA

サーキット概要

Grattan Raceway Park is a road racing circuit located in Belding, Michigan, United States. The track is known for hosting a variety of regional and national motorsport events, offering a combination of technical turns and moderate-speed straights.

Circuit Layout & Key Specifications

Location: Belding, Michigan, United States
Circuit Type: Permanent road course
Length: Approximately 2.12 miles (3.41 kilometers)
Number of Turns: 10
Track Surface: Asphalt
Direction: Clockwise
Typical Usage: Club racing, SCCA events, regional championships

Track Characteristics

Mix of slow to medium-speed corners requiring precision and smooth car control
Moderate elevation changes throughout the course
Technical sections favoring driver skill over outright power
Limited long straights, emphasizing handling balance and braking stability

Key Corners

Turn 1 (Esses Entry): Tight right-hander leading into a fast flowing set of esses; critical for establishing momentum.
Turn 4 (Keyhole): A sharp right-hander requiring precise braking and turn-in to maintain lap time.
Turn 7 (Red Shed): A slow, tight left-hander that tests driver patience and throttle modulation.
Turn 10 (Bob Jakes): Complex final corner that challenges drivers to balance speed onto the start-finish straight.

Lap Record & Performance Benchmarks

Overall fastest official lap times vary by vehicle class; precise all-time lap record data is not publicly standardized.
Series-specific records include competitive benchmarks in SCCA and regional GT categories.

Racing History & Major Events

Hosts a range of motorsport events primarily under SCCA sanctioning.
Known for regional club racing and occasional national-level series participation.
Venue for endurance races, sprint events, and driver development programs.

Facilities & Infrastructure

Paddock area suited for club and small-scale professional events
Limited grandstand seating, with ample spectator viewing from natural terrain around the course
Basic timing and race control infrastructure supporting timed racing and data acquisition
Support buildings include garages, restrooms, and limited hospitality space

Spectator Experience

Natural terrain seating provides multiple vantage points around the circuit
Accessible walking paths to various viewing locations
Facilities geared towards local and regional spectators rather than large-scale international audiences

Location & Accessibility

Situated near Belding, Michigan, approximately 30 miles northwest of Grand Rapids
Accessible via local highways and rural roads
Parking available on-site, primarily supporting personal vehicles and small transport trailers
Proximity to regional airports supports general access for teams and visitors

Summary

Grattan Raceway Park is a 2.12-mile permanent road course in Belding, Michigan, featuring 10 turns and a mix of technical corners with moderate elevation changes. It serves mainly regional motorsport events, particularly under SCCA sanctioning, with facilities tailored to club-level and small professional racing activities. The circuit emphasizes driver skill through tight corners and limited straight-line speed, while offering natural spectator viewing and straightforward accessibility within central Michigan.