Den Grønne Halvmarathon takes place on Sun, Apr 25, 2027 in Kongens Lyngby, Denmark. The main route is 21.1 km.
- Date
- Sun, Apr 25, 2027
- Start
- Kongens Lyngby 🇩🇰
- Distance
- 21.1 km
- Level
- Open to all
Your 29-week plan to Den Grønne Halvmarathon
The Base phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
Build my planFree to start · No credit card
AL Sydbank Den Grønne Halvmaraton features a scenic half marathon and 10 km course through green areas and the heart of Kongens Lyngby.
What this race demands
Den Grønne Halvmarathon demands sustained pacing over a 21.1 km distance through the green areas and center of Kongens Lyngby in spring.
Aerobic endurance
Completing the 21.1 km distance requires continuous cardiovascular output and efficient energy utilization for well over an hour.
Pacing discipline
A half marathon distance punishes early surges, requiring athletes to hold a steady, sustainable effort from start to finish.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
1:45–2:10
Peak-week training
5–7 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Your road to race day
Race day at Den Grønne Halvmarathon is 29 weeks away. This is how a coach divides that time. The first phase starts now.
01Base17 weeks · Oct 5, 2026 – Jan 31, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Feb 1, 2027 – Mar 14, 2027
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 · Mar 15, 2027 – Apr 4, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Apr 5, 2027 – Apr 18, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Apr 19, 2027 – Apr 25, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Den Grønne Halvmarathon?
Den Grønne Halvmarathon takes place on Sun, Apr 25, 2027 in Kongens Lyngby, Denmark.
How long is Den Grønne Halvmarathon?
The main route is 21.1 km.
What does Den Grønne Halvmarathon demand?
Den Grønne Halvmarathon demands sustained pacing over a 21.1 km distance through the green areas and center of Kongens Lyngby in spring.
Who is Den Grønne Halvmarathon for?
Den Grønne Halvmarathon is open to all participants.
Similar races
Organising this race?