IMSA Road Racing
Whelen proudly sponsors the #31 Whelen Cadillac DPI.V.R in the Weathertech Sportcar Championship.
IMSA RACING

Alexander Sims
DOB: 03/15/88
Birthplace: London, UK
Accomplishments: 1998-2006: Karting including British national championships 2007-08: Formula Renault championships with three wins, two pole positions and runner-up in 2008 UK championship 2009: One win, five podiums and pole position in F3 Euro Series 2010: Two wins, eight podiums and one pole in F3 competition 2011: One victory, five podiums and sixth-place championship finish in first season of GP3 2012: First appearance at 24 Hours of Le Mans in LMP2 class. Full-time P2 entry in European Le Mans Series. Winner of Nürburgring Formula 3 Euro round 2013: GP3 race-winner at Spa; five podiums in FIA European F3 Championship; runner-up at Blancpain Endurance Series at Paul Ricard Six Hours 2014: Third-place championship finish in British GT Championship 2015: Runner-up in British GT Championship; third at Macau Grand Prix 2016: Spa 24 Hours overall victory and fifth at Nürburgring 24 Hours; fourth-place finish in Blancpain GT Endurance Cup championship 2017: Full season in IMSA WeatherTech Championship’s GTLM class. Runner-up championship finish with wins at Watkins Glen (plus fastest race lap), Canadian Tire Motorsport Park and Petit Le Mans; second at Nürburgring 24 Hours 2018: Two wins in IMSA GTLM competition – VIR and Laguna Seca – and runner-up finishes at Long Beach and Mid-Ohio along with pole position at Sebring; retired in

Luís Felipe “Pipo” Derani
DOB: 10/12/93
Birthplace: Sao Paulo, Brazil
Accomplishments: The 2016 Rolex 24 At Daytona and Sebring 12 Hour race winner Pipo Derani joined Whelen Engineering Racing ahead of the 2019 IMSA WeatherTech SportsCar Championship season. The Brazilian racer forged a path in open wheel before moving to the endurance sports car ranks. The change yielded the fast, young racer wins in some of the sport’s biggest events as he now eyes his opportunity to fight for a prized IMSA WeatherTech Championship with Whelen Engineering Racing.
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Jack Aitken
DOB: 09/23/95
Birthplace: London, UK
Accomplishments: Competed in the European Le Mans Series in 2022 for TF Sport in the LMP2 class. He also competed in the GT World Challenge Europe Endurance Cup and ADAC GT Masters with Emil Frey Racing. He made his Le Mans 24 Hour debut in LMP2 with Algarve Pro Racing. Aitken, the 2015 Formula Renault Eurocup champion, has been a Williams F1 reserve driver since 2020. Has also competed in GP3 and FIA Formula 2. His father is Scottish and mother is South Korean.
Hobbies/Fun Facts: Co-Owner of West Coast Exoctics and avid driver and coach and HSR competitor on off weekends.
Upcoming Races
acura grand prix of long beach
Duration: 100 minutes
Date: Apr 14 – Apr 15
Long Beach Street Circuit
motul course de monterey presented by hyundai
Duration: 2 Hours 40 minutes
Date: May 12 – May 14
WeatherTech Raceway Laguna Seca
sahlen's six hours of the glen
Duration: 6 Hours
Date: Jun 22 – Jun 25
Watkins Glen International

Whelen Engineering 31 Crew 2022
Bob Johnson - Managing director
Gary Nelson - Team Manager
Iain Watt - Technical Director
Tim Keene - Race Strategist
Chris Mitchum - Director of Race Team Operations
Scott Taylor - Chief Marketing Officer
Amy France - Marketing Coordinator
Bill Keuler - Crew Chief
Scott Darnell - Lead Mechanic
Brian Hay - RnD/Special Projects Lead, Head Fabricator
Charles Burroughs - Sub Assembly Assistant
Jared Williamson - Mechanic
Chris Thunderburk - Composites
Christian PaHud - Fabrication
Tom Walker - Gearbox
Caleb Barger - Tires
Justin Lages - Transportation
Eric Rang - Transportation/Hospitality
Michael Rompf - Logistics Supervisor
Stuart Taylor - Electronics
John Urbina - Engineering Assistant
Andrew Taylor - Data Acquisition
Johnny Etheridge - Pit Lane
DeWayne Crawford - Pit Lane
#31 Cadillac DPI.V.R

Whelen Cadillac DPI.V.R
Dallara Carbon Fiber chasis 1950 lbs
Engine: 5 liter ECR prepared Cadillac V8
Induction: Normally Aspirated
Fuel System: Fuel injection
Horsepower: 580 HP
Torque: Series spec based
Lubrication: Dry Sump
Transmission: 6 Speed Transverse Sequential
Brakes: Brembo 4-wheel disc
Weight: 2,050 lbs. (930 kg.)
Recent News
Cadillac Racing Sweeps Championships in Inaugural IMSA Grand Touring Prototype Season
DETROIT — Cadillac swept top honors for the 2023 IMSA WeatherTech SportsCar Championship season, earning its fourth Manufacturer Championship and fifth […]
Whelen Engineering Continues as Primary Sponsor
DETROIT (Dec. 15, 2022) — Cadillac and Whelen Engineering have agreed to a sponsorship extension that will see the company’s […]
ECR Engines Powers Action Express Racing’s No. 31 Whelen Engineering Cadillac Team to 2021 IMSA WeatherTech SportsCar Championship
WELCOME, NC (November 16, 2021) – ECR Engines closed out the 2021 IMSA WeatherTech SportsCar Championship season on Saturday in […]
No. 31 Whelen Engineering / Lucas Oil Cadillac Completes ‘Perfect’ Weekend with Road America Win
ELKHART LAKE, Wis. – The plan was to be aggressive, but the plan changed as the race went on. Knowing […]
Keen Strategy Leads No. 31 Cadillac to WeatherTech 240 Victory
WATKINS GLEN, N.Y. – Smart strategy and deft fuel saving on a wet track led to the first victory of […]