A recreational runner with an office job, testing running science on my own legs. Race reports, small experiments and a lot of race-day weather data.
Seeing Europe One Race at a Time
I wanted a map of every country I've raced in, so I built one.
- Race reportsHow I Shaved Nearly 3 Minutes Off My Half Marathon Personal BestSmall changes that led to a big win.
- Race dataThe 10 Fastest Half Marathons in Europe for 2027, Ranked by Weather DataCourse profiles, race-day weather and trip budgets, plus two famous races where my results disagree.
- ScienceThe Science of Finding Your Zone 2 — A Guide to PrecisionFinding Zone 2 when you can't measure your max heart rate.
- Stories
Seeing Europe One Race at a Time
I wanted a map of every country I've raced in, so I built one.
- Race data
The 10 Fastest Half Marathons in Europe for 2027, Ranked by Weather Data
Course profiles, race-day weather and trip budgets, plus two famous races where my results disagree.
10 races · 3 years of race-week weather - Science
Does Hopping Make You a Faster Runner? What a 2023 Study Found
A five-minute hopping routine and a 2023 study.
- Science
Why Runners Outpace Aging
What research says about running and getting older.
- Race data
Which SuperHalfs Half Marathon Series Offers the Best Weather?
Six SuperHalfs cities, their race-day weather, one question.
6 races · 3 years of weather
- Science
The Science of Finding Your Zone 2 — A Guide to Precision
Finding Zone 2 when you can't measure your max heart rate.
- Science
The Glucose Revolution Experiment: Insights After 7 Days
Seven days of glucose monitoring, and how I see food now.
- Stories
Legs Miserables: Finding Motivation in the Unexpected
How a small thing can supercharge your motivation.
- Race reports
Milano21 — Mezza Maratona di Milano 2024
21 km through traffic and fashion in Milan.
- Race reports
How I Shaved Nearly 3 Minutes Off My Half Marathon Personal Best
Small changes that led to a big win.
21.1 km · 1:42:05 · 14°C, rain - Race reports
Valencia Half Marathon — 2024
Fresh back from Valencia, still in the running mood.
21.1 km · 1:42:05 PB · 14°C, rain - Science
The heat and running. How much sun will slow you down? (Part 2)
How much the sun slows you down, part 2.
- Science
The heat and running: How much will the sun slow you down? (Part 1)
How much the sun slows you down, part 1.
- Race reports
Helsinki Half Marathon — May 2024
Up, down, left, right: a twisty half by the sea.
21.1 km · 1:47:08 - Race reports
Prague Half Marathon 2024
Too hot, too soon: what the sun did to my race.
21.1 km · about 1:50 · hot - Race reports
Two weeks till the Prague Half Marathon
Two weeks out from SuperHalfs race number four.
- Race reports
EDP Lisbon Half Marathon — 2024
My third SuperHalfs race, over the bridge and along the river.
21.1 km · 1:46:46 - Race reports
One week till EDP LISBON HALF MARATHON
The last week before my first half of 2024, chasing a PB.
- Stories
My take on running
Seven years of running, and what they taught me.