What My Feet Have Learned
From the first pair of Pureboosts to a narrow toe box that almost became a problem in September
Hi there! My name is Paulo and I am an analytics/data engineer and endurance runner based in Berlin. Welcome to my blog.
When I am not building data pipelines, you will find me training for my next endurance race. I write about both.
Currently preparing for Spartathlon 2026 and documenting the journey in my 246 series.
The Weight of Air
A race report from the Grand Raid du Guillestrois - Queyras, the B race in the Spartathlon build
Six Weeks In
A look back at weeks 21 through 26 of the Spartathlon build, ahead of the Grand Raid du Guillestrois Queyras
Heading into Queyras
A pre-race update ahead of the Grand Raid du Guillestrois - Queyras, the B race in the Spartathlon build
Manufacturing Heat
Frozen flasks, sauna sessions, spinning in three layers, and the heat plan going to Spartathlon
Against the Clock
A look at the Spartathlon course profile, the cutoff pace, and how my best 100-miler efforts compare to the worst-case scenario in Greece
Everesting in Grunewald
Half an Everesting, a sleepless night in the forest, and two new things going to Greece in September
Spartathlon by the Numbers
A look at the history and statistics behind Spartathlon, the 246km race from Athens to Sparta
Years of Fueling Experiments
Who would have thought bacon could cause so much harm