RunForestRun Dwingelderveld takes place on Sat, Dec 12, 2026 in Dwingeloo, Netherlands. The main route is 43 km.
- Date
- Sat, Dec 12, 2026
- Start
- Dwingeloo 🇳🇱
- Distance
- 43 km
- Level
- Open to all
A RunForestRun trail run through Nationaal Park Dwingelderveld's wet heathland, pools and drift sand, starting at Camping Torentjeshoek in Dwingeloo. 43 / 26 / 15 km.
What this race demands
This 43-kilometer winter trail run requires sustained endurance across varied off-road terrain in cold Dutch December conditions.
Endurance capacity
Covering 43 kilometers on foot demands thorough aerobic preparation and structural resilience to sustain forward motion for several hours.
Surface adaptability
Navigating wet heathland, pools, and drift sand requires specific muscular engagement and stability to handle shifting, yielding terrain.
Cold weather management
Racing in December in the Netherlands exposes athletes to cold ambient temperatures and damp conditions, requiring effective pacing and thermal regulation.
A sustained effort of this duration requires continuous carbohydrate intake of 60 to 90 grams per hour to maintain glycogen stores and output.
Your road to race day
Race day at RunForestRun Dwingelderveld is 15 weeks away. This is how a coach divides that time. The first phase starts now.
01Base3 weeks · Aug 30, 2026 – Sep 19, 2026
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Sep 20, 2026 – Oct 31, 2026
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Nov 1, 2026 – Nov 21, 2026
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Nov 22, 2026 – Dec 5, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Dec 6, 2026 – Dec 12, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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