제26회 홍성마라톤 takes place on Fri, Oct 9, 2026 in Hongseong, South Korea. The main route is 21.1 km.
- Date
- Fri, Oct 9, 2026
- Start
- Hongseong 🇰🇷
- Distance
- 21.1 km
- Level
- Open to all
Held in Hongseong, this popular annual marathon commemorates national marathoner Lee Bong-ju's Boston Marathon victory and features half marathon, 10km, and 5km courses starting from Hongju Stadium.
Official event pageWhat this race demands
This half marathon requires sustained aerobic capacity over a 21.1 km distance.
Aerobic endurance
Covering 21.1 km requires a well-developed aerobic base to sustain forward motion over the half marathon distance.
Pacing discipline
Successfully completing the half marathon distance without fading demands strict adherence to a controlled early-race pace.
For a half marathon expected to last longer than 1.5 hours, ingest 30 to 60 grams of carbohydrates per hour to maintain energy output.
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 제26회 홍성마라톤 is 7 weeks away. This is how a coach divides that time. The first phase starts now.
01Build1 week · Aug 22, 2026 – Aug 28, 2026
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
02Peak3 weeks · Aug 29, 2026 – Sep 18, 2026
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
03Taper2 weeks · Sep 19, 2026 – Oct 2, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
04Race week1 week · Oct 3, 2026 – Oct 9, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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