Overview
The Gunsan Saemangeum International Marathon draws approximately 5,000 finishers each April on an urban and coastal plain road in Gunsan, South Korea. Its pancake-flat terrain makes it a popular speed course in Korea. The route passes harbor districts, flat reclaimed-land roads, and open western-coast scenery. The course is very flat throughout.
Gunsan Saemangeum International Marathon is a certified 42.195 km (26.2 mile) marathon — the standard World Athletics marathon distance.
Gunsan Saemangeum International Marathon 2027 race day
The next Gunsan Saemangeum International Marathon is scheduled for Sunday, 4 April 2027 with a 8:00 am start. The certified course covers 42.195 km (26.2 miles) with 50 m of climbing on a very flat layout.
Gunsan Saemangeum International Marathon course route
Starts and finishes on Gunsan-area roads. The route passes harbor districts, flat reclaimed-land roads, and open western-coast scenery. Reclaimed coastal plain miles are ideal for even pacing, with harbor-town spectators at the start-finish and seawall sections.
Gunsan Saemangeum International Marathon elevation profile
The Gunsan Saemangeum International Marathon course is very flat over 42.195 km (26.2 miles). Runners cover 50 metres of climbing and 50 metres of descent, with minimal net elevation change from start to finish.
Entry requirements
The Gunsan Saemangeum International Marathon accepts entries through gunsanmarathon.com, using open registration when places remain and a lottery when demand exceeds capacity. Sign-up for the April race typically opens one to two months beforehand. International runners apply through the same portal; the regional field is more accessible than ballot-heavy Seoul majors.
Frequently Asked Questions
- What is the Gunsan Saemangeum International Marathon elevation profile?
- The Gunsan Saemangeum International Marathon has 50 metres of total climbing and 50 metres of descent over 42.195 km (26.2 miles). The course is very flat, with 0 metres of net change from start to finish.
- How long is the Gunsan Saemangeum International Marathon?
- The Gunsan Saemangeum International Marathon is the standard marathon distance of 42.195 kilometres (26.2 miles), certified to World Athletics rules. Urban and coastal plain road starting and finishing on Gunsan-area roads.
- What time does the Gunsan Saemangeum International Marathon start?
- The 2027 Gunsan Saemangeum International Marathon starts at 8:00 am local time on Sunday, 4 April 2027. Arrive early for baggage drop and corral access — official race communications on gunsanmarathon.com/ confirm any last-minute schedule changes.
- Where does the Gunsan Saemangeum International Marathon start and finish?
- Starts and finishes on Gunsan-area roads. Updated course maps are published at https://gunsanmarathon.com/ each year.
- When is the Gunsan Saemangeum International Marathon and how do I register?
- Gunsan Saemangeum International Marathon is typically held in April. Registration opens through https://gunsanmarathon.com/ and may use a lottery or tiered entry when demand exceeds capacity.
- Is the Gunsan Saemangeum International Marathon course flat?
- Yes. Gunsan Saemangeum International Marathon is known for a largely flat profile with only minor undulations, making it popular with runners chasing steady pacing.
- What landmarks does the Gunsan Saemangeum International Marathon pass?
- The route passes harbor districts, flat reclaimed-land roads, and open western-coast scenery.
- What weather should runners expect at Gunsan Saemangeum International Marathon?
- Usually cool and breezy with good spring racing weather.
Last updated 18 July 2026. Edition dates and course details are reviewed regularly.
