I think their best option for fan draw would be Road America or Mid Ohio, non Football season.
It also looks like only Daytona and Road America are not a major conflict with IMSA....
2017 FIA World Endurance Championship Schedule:
March 24-25 — Prologue (Monza)
April 14-16 — Silverstone
May 4-6 — Spa-Francorchamps
June 17-18 — 24 Hours of Le Mans
July 14-16 — Nürburgring
Sept. 1-3 — Mexico City
September 14-16 — Circuit of The Americas
October 13-15 — Fuji Speedway
November 3-5 — Shanghai
November 16-18 — Bahrain
2017 IMSA WeatherTech SportsCar Championship Schedule
*Jan. - 26-29 -- Rolex 24 At Daytona
*March 15-18 - Sebring
*April 7-8 - Long Beach
*May 5-7 - COTA
*June 2-3 - Detroit
*July 7-9 - Mosport (Canadian Tire Motorsport Park)
*July 21-22 - Lime Rock
*Aug. 4-6 - Road America
*Aug. 25-27 - VIR
*Sept. 23-24 Laguna
*Oct. 5-7 - Petit (Road Atlanta)
L.P.
