
Competition Design
David Trimble designed, developed and managed the competition elements of all Trimble Racing events. As a consultant he has worked with USA Cycling, Italian Cycling Federation, UCI, USATF and the FIA.
The Red Hook Criterium was the world’s first fixed gear criterium. The format and rules set the standard and were adapted for all subsequent fixed gear criteriums.
The Midnight Half was the first modern urban running alleycat. The format is now widely adapted across the running world.
Competition format design
Competition rule book design
Race Director
Competition technical development
Timing and Scoring management
Championship series rules and scoring
Coordination with sanctioning bodies
Coordination with anti-doping authorities

The Red Hook Criterium points classification system

The 2017 Red Hook Criterium race format (men's)

The 2018 Red Hook Criterium Race Format (women's)

The 2018 Red Hook Criterium Race Format (men's)

The race format explained - Photo: @tornanti_cc

Athletes checking the race results and format in Brooklyn - Photo: @tornanti_cc


Photo-finish at the Red Hook Criterium Milano - photo: @tornanti_cc

The Red Hook Criterium flag system - photo: @vernor

The Red Hook Criterium flag system

David Trimble explaining the blue flag procedure - Photo: @tornanti_cc

David Trimble explaining the yellow flag procedure - photo: @tornanti_cc

The Red Hook Criterium Start Grid concept

Athletes gridded for their qualifying heat in Milano. The starting order was determined by their championship standings - Photo: @tornanti_cc

The Red Hook Criterium starting grid technical details

A close look at the grid mark - Photo: @tornanti_cc

The Red Hook Criterium Championship Trophy technical design

The Red Hook Criterium Individual and Team Classification Trophies

The 2017 Red Hook Criterium Team Champions - Photo: @tornanti_cc

The 2017 Red Hook Criterium Series Champion Eleonore Saraiva - Photo: @tornanti_cc

The 2017 Red Hook Criterium Series Champion Davide Vigano - Photo: @tornanti_cc

The Rockstar Games Top Antagonist Award in Milano - Photo: @tornanti_cc

The 'Breakfast' (first lap) and 'Dinner' (halfway) prime winners in Milano - Photo: @quiqebuenocc

Competition testing with Team Specialized before the Red Hook Criterium Brooklyn - Photo: @tornanti_cc

David Trimble launching a competitor during the 'Super Pole' session in Barcelona. - Photo: @tornanti_cc

Athletes lined for the Super Pole in Brooklyn - Photo: @tornanti_cc

Bram Linnartz on a flying lap during the Super Pole session in Brooklyn - Photo: @tornanti_cc

Ivan Cortina's bike is checked in Parc Ferme at the Red Hook Criterium Milano - photo: @tornanti_cc

A competitor's cleat system is checked in Parc Ferme - photo: @tornanti_cc
The Last Chance Race was introduced to give athletes who didn't qualify directly to the final via the heats another chance to make it in the big show

Aldo Ino Ilesic winning the Last Chance Race in Barcelona.

The 2023 Midnight Half race rules and checkpoint map

David Trimble leading the field at the 2019 OSR 10k - photo:

David Trimble directing the start of the 2022 Midnight Half - photo Ava Pellor