1. Branch, J. 2018. Dipsea: A trail race where ‘you’re either the hunter or the hunted.’ New York Times. https://www.nytimes.com/2018/06/13/sports/dipsea-trail-running.html.
2. How Fast Do Old Men Slow Down?
3. Fimrite, P. 2012. Jack Kirk: 1906–2007/The “Dipsea Demon” was a renowned runner, curmudgeon. www.sfgate.com/bayarea/article/JACK-KIRK-1906-2007-The-Dipsea-Demon-was-a-2620235.php.
4. Resizing Triathlons for Fairness