Are Trail Runners Getting Faster?
A look at the progression of trail race performances, and how it manifests in the mid-pack as well as at the front of the field.
A look at the progression of trail race performances, and how it manifests in the mid-pack as well as at the front of the field.
A quantitative look at the value of trail work volunteer hours required by trail races and ultramarathons.
A statistical look winter training and racing, and ways we can use data to maximize our winter training block.
With the first year of the World Trail Majors done and dusted, we take a statistical look at the inaugural circuit.
A statistical look at lottery entries for the most popular trail races and ultramarathons.
An analysis of Appalachian Trail FKTs through the lens of data.
A statistical look at the growing popularity of trail and ultrarunning coaching services.
A look at the nations represented on the finishers’ lists at CCC and UTMB, from 2009 to 2023, as a case study for the changing geography of trail running and ultrarunning.
A numeric look into Sierre-Zinal highlighting participant growth, the growth in female participation, and steadily improving winning times.
A look at the numbers behind the Western States 100 lottery and its qualifying races.
A look at the growth of ultramarathons in the U.S. from 2000 to 2024, including overall growth in events and their locations, and changes in participant travel.
A look into 200+ miles races, including variation in pace over the course of an event and the role of rest time in finishing times.
A statistical analysis of DNFs (did not finishes) in ultramarathons and their various causes.
Being a competitive trail runner is not cheap. Read this quantitative analysis of what it costs to trail run competitively.
A celebration of some overachieving grandmasters from outside of North America, through the lens of data.
A data-driven look at trends in 24-hour running in advance of the 2023 IAU 24-Hour World Championships.
A look at the history or and trends in backyard ultrarunning through the lens of data.
A look at some exceptional achievers in the world of ultrarunning, through the lens of data.
Using data to look at some remarkable stories from the various UTMB races through the years.
A statistical analysis of the increasing competitiveness of women’s ultrarunning, using the 2023 Western States 100 as a case study.
An analysis of the effects of heat and course conditions on finish times at the Western States 100.
A statistical analysis of the competitiveness of the Golden Trail World Series and the UTMB World Series.
A breakdown of the different ranking systems for mountain runners, ultrarunners, and trail runners.
The data show that runners improve their 100-mile finishing times when they repeat the same race two or more times.
An analysis of how the price of trail shoes has increased over time.
A statistical look at the geographical distribution of ultramarathon races and runners in the United States and Canada.
A statistical analysis of Patrick Reagan’s consistent top performances at the Javelina Jundred Mile and a look at the top picks for this year’s race.
A statistical analysis of the effect more generous race cutoff times have on diversity in ultrarunning, in terms of gender and age.
