Parc de curses Grattan

Parc de curses Grattan Visió general i especificacions

Longitud del circuit : 3.219 km (2.000 miles)
Desnivell del circuit : 11M
Nombre de corbes : 10
Continent : Amèrica del Nord
País / Regió : Estats Units
Estat / Província : Michigan
Ubicació : 7201 Lessiter Road, Belding,MI 48809, USA
Nom en anglès : Grattan Raceway Park

Grattan Raceway Park és un circuit de curses de carretera situat a Belding, Michigan, Estats Units. El traçat és conegut per acollir una varietat d’esdeveniments de motor regionals i nacionals, oferint una combinació de corbes tècniques i rectes de velocitat moderada.

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 és un circuit permanent de 2,12 milles a Belding, Michigan, que compta amb 10 corbes i una combinació de corbes tècniques amb canvis d’elevació moderats. Serveix principalment per a esdeveniments de motor regionals, especialment sota la sanció de la SCCA, amb instal·lacions adaptades a curses de nivell de club i activitats professionals petites. El circuit posa èmfasi en l’habilitat del pilot a través de corbes tancades i velocitats limitades en recta, mentre ofereix una visió natural per als espectadors i una accessibilitat senzilla dins del centre de Michigan.

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