How a pre-race poo can make or break your race

Sports scientist Dr. Chia-Hua Kuo reveals the surprisingly positive links between defecation and endurance performance

November 6, 2025

New Issue

Now on
Newsstands

gut health

How a pre-race poo can make or break your race

Sports scientist Dr. Chia-Hua Kuo reveals the surprisingly positive links between defecation and endurance performance

Cody Ko NYc Marathon 2025

Canadian YouTube star finishes among top celebrity runners at New York City Marathon

Calgary’s Cody Ko ran a near nine-minute personal best to finish in three hours and 21 minutes

2025 New York Marathon

Top Canadian finishers at the 2025 TCS New York City Marathon

In his final professional race, two-time Olympian Charles Philibert-Thiboutot was the first Canadian man across the finish line

The Latest

News

Training

Gear

Winter Shoe Buyer’s Guide: tried and true models for 2025/2026

Here are the shoes that have proven, through repeated updates, to be most the most reliable, comfortable and effective

Health & Nutrition

The Scene

Runs & Races

The Shakeout Podcast

Trail Running

Current Issue

November & December 2025

Ozempic and Running

How To Run All Winter

The Marathon Gender Gap

How Important Is Cadence?

Keep Your Tendons Healthy

Winter Shoe Buyer’s Guide

Edinburgh Marathon

Holiday Gift Guide

Running Trails in Whistler, B.C.

Running Celebrity: Crime Fiction Author Amy McCulloch