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START · SEPTEMBER 9, 2026 · 40TH BIRTHDAY

1000 Marathons
in 1000 days

On my 30th birthday I started running. On my 40th I start running for 38 million Poles.

1000
Consecutive days

A marathon every day. No exceptions. From September 9, 2026 to June 4, 2029.

42,195km
Once around the Earth

Earth's circumference is 40,075 km. 1000 marathons is more than one full lap of the planet — on my own feet.

38M
The first step for every Pole

The first step is the hardest. I'll take it for you 38 million times. One for each of you.

The first step is the hardest. I'm giving you three years of my life. 38 million steps, 38 million Poles — I'm taking that first step for every one of you.

Adrian Kostera · World Record Holder · TEDx · Author

Every day is open

You can run with me — in Poland, in the Netherlands, wherever I am. For free. Check the calendar where I am today and come.

Every runner gets a free commemorative bib. A commemorative medal in exchange for a voluntary donation to the foundation.

1000
Opportunities to run together
150+
Polish cities in the project
Free
Commemorative bib

The first step for you

1000 marathons in 1000 days is a project about holding the line despite daily adversity. Weather. Weddings. Illness. Bad days. None of it stops a single marathon.

A marathon every day — 42.195 km. Sometimes at dawn with my son before school. Sometimes at night after a wedding. Sometimes at an official marathon with hundreds of runners. Always the full 42 kilometers.

This isn't just an athletic challenge. It's a daily lesson in consistency — shown publicly for 1000 days straight. In Polish, English, and Dutch. Daily content. Daily presence.

Start
September 9, 2026
Finish
June 4, 2029
Current world record
607 days · R. Abad
Breaking the record
Day 608 · May 2028

Buy your day in history

Each of the 1000 days can be purchased. Five partnership tiers. Each puts your brand on the shirt, in daily content, and in the book that will come from 1000 blog entries.

Tier 1
Bronze
Regular weekday
PL or NL
€500
  • Logo on shirt
  • Day name: "Day X · Company"
  • Tile in IG/FB stories
  • 2 sec in highlight reels
  • Mini-chapter in the book
Tier 2
Silver
Saturday, Sunday
or holiday
€1 000
  • Everything from Bronze
  • Two sponsored tiles in stories
  • Premium exposure on weekends and holidays
  • Higher organic reach
Tier 3
Gold
Run at sponsor's
location
€4 000
  • Everything from Bronze
  • Run on any day
  • Run at chosen location
  • Route designated by sponsor
  • 3 live stories that day
Tier 4
Platinum
Gold + 4h of activities
meetings, interviews
€8 000
  • Everything from Gold
  • 4 hours of activities
  • Meetings with employees
  • Interviews, presentations
  • Location at the run
Tier 5
Diamond
3 years partnership
industry exclusivity
€75 000/ year
total €225 000
  • Logo on race bibs
  • Logo on shirt every day
  • 15 Bronze + 4 Silver + 1 Gold per year
  • Day 1 and Day 1000 — Diamond only
  • Logo in intro and outro of every reel
  • Logo in SoMe and website background
  • Industry category exclusivity
  • Special dedication in the book
See full package details

I start September 9, 2026.
Become part of this history.

Three years of my life. One day at a time. The Man Who Ran The World.