Races Marathon · Diksmuide, Belgium
In Flanders Fields Marathon
In Flanders Fields Marathon is a flat marathon in Diksmuide, Belgium, held each September. A point-to-point course from Diksmuide to Ieper over fully paved roads, mostly asphalt. It follows the IJzer, the Ieperlee and the Ieper-IJzer canal past war memorials and cemeteries, then finishes through the Menin Gate. Mid-September in West Flanders is usually mild, with morning starts around 10 to 14°C and afternoon highs near 18 to 20°C. The In Flanders Fields Marathon's flat profile means your pacing discipline, not the terrain, decides the day.
Page rebuilt 2026-11-14 · race facts not independently verified — confirm dates and entries on the official race site
When
September
every year
Course
flat
Marathon
Conditions
Mid-September in West Flanders is usually mild, with morning starts around 10 to 14°C and afternoon highs near 18 to 20°C.
Racing this course well
A point-to-point course from Diksmuide to Ieper over fully paved roads, mostly asphalt. It follows the IJzer, the Ieperlee and the Ieper-IJzer canal past war memorials and cemeteries, then finishes through the Menin Gate.
The In Flanders Fields Marathon's flat profile means your pacing discipline, not the terrain, decides the day.
Getting a place
- How you get in
- Open entry: first come, first served
- Places
- 750 runners
Official In Flanders Fields Marathon site →Checked November 2026
Race day
- Start time
- 10:00
- Pacers
- Pacers are provided
- Also on the day
- half-marathon
The course in numbers
The route runs through the polders along the IJzer, then follows the Ieperlee and the canal into Ieper. Three narrow underpasses beneath bridges come at 17 km, 28 km and 33 km.
- Layout
- Point-to-point
- Surface
- 100% paved, mainly asphalt
- Course status
- Measured by an IAAF grade B measurer, official 42.195 km
Worth knowing
- The route follows the former First World War front line through the IJzer valley.
- The finish is on the market square in Ieper, after the Menin Gate.
- Runners must be at least 20, and entrants who are not federation members need a medical certificate or a recent marathon result.
- Online entry closes on 1 August, or earlier if the field fills.
Getting there
- Rail station
- Diksmuide station, 400 m from the start; Ieper station for the optional morning bus to the start
Pick your goal for Diksmuide
Pace charts, weekly structure and timelines for the most common marathon goals:
We don’t hold a confirmed date for this edition, so any countdown comes from the date you enter here.
Build your training around In Flanders Fields Marathon.
RunV works backwards from race day to today. Your plan adapts when life interrupts, and you approve every change. It does not adapt to this specific course — the pacing guidance above is where the course knowledge is.
Everything above stays free and complete — this is an optional next step, not a paywall.
Asked often
- When is the In Flanders Fields Marathon?
- It is held each September in Diksmuide, Belgium. Check the official In Flanders Fields Marathon site for the exact date and entry windows.
- Is the In Flanders Fields Marathon course flat?
- A point-to-point course from Diksmuide to Ieper over fully paved roads, mostly asphalt. It follows the IJzer, the Ieperlee and the Ieper-IJzer canal past war memorials and cemeteries, then finishes through the Menin Gate.
- How do I enter the In Flanders Fields Marathon?
- Open entry: first come, first served.
- How should I train for the In Flanders Fields Marathon?
- Build for the course you'll actually race at the In Flanders Fields Marathon: flat terrain, September conditions. RunV Premium builds a training plan around your goal time and race date, and lets you adapt it when life interrupts the Diksmuide build.
Not sure what to target? Predict your marathon time from a recent race →
More marathon races
Supplements research for this distance
Build for Diksmuide — around your actual life
RunV engineers your block backwards from race day in September — and adapts it when training doesn't go to script. You approve every change.
