ひたちシーサイドマラソン2026 takes place on Sun, Nov 15, 2026 in 日立市, Japan. The main route is 42.2 km.
- Date
- Sun, Nov 15, 2026
- Start
- 日立市 🇯🇵
- Distance
- 42.2 km
- Level
- Open to all
Your 6-week plan to ひたちシーサイドマラソン2026
The Peak 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.
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This is a tough full marathon course with ups and downs, where runners race on a seaside road that is usually not accessible, while gazing out at the Pacific Ocean.
What this race demands
This full marathon covers 42.2 kilometers over a tough course featuring coastal sections and changes in elevation.
Distance durability
Completing 42.2 kilometers requires sustained aerobic endurance and structural resilience against repetitive impact.
Elevation handling
The presence of ups and downs along the course demands specific training for pacing and muscular endurance on slopes.
Aim for 60 to 90 grams of carbohydrates per hour to sustain output over a duration expected to exceed three hours.
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 ひたちシーサイドマラソン2026 is 6 weeks away. This is how a coach divides that time. The first phase starts now.
01Peak3 weeks · Oct 5, 2026 – Oct 25, 2026
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
02Taper2 weeks · Oct 26, 2026 – Nov 8, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
03Race week1 week · Nov 9, 2026 – Nov 15, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is ひたちシーサイドマラソン2026?
ひたちシーサイドマラソン2026 takes place on Sun, Nov 15, 2026 in 日立市, Japan.
How long is ひたちシーサイドマラソン2026?
The main route is 42.2 km.
What does ひたちシーサイドマラソン2026 demand?
This full marathon covers 42.2 kilometers over a tough course featuring coastal sections and changes in elevation.
Who is ひたちシーサイドマラソン2026 for?
ひたちシーサイドマラソン2026 is open to all participants.
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