Trondheim Marathon takes place on Sun, Sep 6, 2026 in Trondheim, Norway. The main route is 42.2 km.
- Date
- Sun, Sep 6, 2026
- Start
- Trondheim 🇳🇴
- Distance
- 42.2 km
- Level
- Open to all
Trondheim Marathon is Norway's oldest marathon, featuring a compact multi-lap course that winds through the historic city center.
Official event pageWhat this race demands
Trondheim Marathon requires sustained running endurance over a standard 42.2 km distance across a multi-lap course in Norway's historic city center.
Aerobic endurance
The standard marathon distance of 42.2 km demands a high level of cardiovascular capacity and muscular stamina to maintain forward progression over hours of continuous running.
Repetitive impact
Navigating a multi-lap course requires durability in the lower limbs to withstand the repetitive impact forces of road running over extended periods.
Pacing discipline
The multi-lap urban format requires strict early pacing discipline to preserve energy reserves for the later stages of the race.
Given the duration of a standard marathon, athletes should aim for an intake of 60 to 90 grams of carbohydrates per hour to maintain glycogen stores and support performance.
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
3:45–4:30
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 Trondheim Marathon is 2 weeks away. This is how a coach divides that time. The first phase starts now.
01Taper1 week · Aug 24, 2026 – Aug 30, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
02Race week1 week · Aug 31, 2026 – Sep 6, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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