Königsforst Marathon
The Lowdown
The Königsforst Marathon is one of Germany's most beloved and enduring forest marathons, taking runners through the stunning Königsforst woodland area near Cologne. Established decades ago, this race has built a reputation for its intimate, nature-focused atmosphere and challenging yet rewarding forest trails. The course winds through dense beech and oak forests, offering runners a peaceful escape from urban racing while still maintaining excellent organization and support. The marathon features a scenic loop course that showcases the natural beauty of the Königsforst, with well-maintained forest paths and minimal elevation changes that make it accessible to runners of all abilities. The tranquil setting, combined with enthusiastic local support and well-stocked aid stations, creates a uniquely personal racing experience. The early spring timing allows participants to witness the forest awakening from winter, with fresh greenery and crisp morning air enhancing the running experience. This race attracts a dedicated community of marathon enthusiasts who appreciate the combination of competitive racing and natural surroundings. While it may not be a certified Boston Qualifier course due to its trail nature, the Königsforst Marathon offers something equally valuable: a chance to test your endurance in one of Germany's most picturesque forest settings, supported by experienced race organizers who have been perfecting this event for over five decades.
Race Day
Weather Forecast
Elevation
Terrain Profile
Relatively flat course
Participants
Field Size
Intimate field
Crowd Rating
Spectator Support
Moderate spectator support
Registration Open for 53rd Königsforst Marathon 2027
Jun 23, 2026Registration for the 53rd Königsforst Marathon on March 14, 2027 opened on June 14, 2026. Early bird pricing (€40 individual, €36 group) runs through July 31, 2026. All distances — ultra (63.3km), marathon, and half marathon — share the same fee structure.
Boston Qualifier
This race is a certified Boston Marathon qualifying event. Achieve your qualifying standard here on a verified course.
Königsforst Forest
The entire marathon takes place within this beautiful ancient forest near Cologne
Forsbach Village
Runners pass through this charming village at the forest edge
Forest Chapel (Waldkapelle)
Historic chapel along the wooded trail
Hardt Nature Reserve
Scenic natural area within the Königsforst
Bensberg Castle Views
Glimpses of the baroque palace from elevated sections
Forest Lakes (Waldseen)
Several small lakes and ponds along the course
Ancient Oak Groves
Centuries-old oak trees throughout the Königsforst
Rösrath Town Border
Edge of the municipality where the forest meets civilization
Other distances available during the event weekend:
Königsforst, Germany
DE
Average rate for 3-star accommodations near the start line
Eligibility
- Minimum age 18 on race day for marathon participants
- Must register and hold a valid race bib issued by the organizer
- Valid photo ID may be required at bib pickup
- Participants must be in good health; medical clearance recommended for those with pre-existing conditions
- Use of official timing chip provided by the organizer is mandatory
- Follow race rules and marshals' instructions; unsportsmanlike conduct may lead to disqualification
- No transfers of bibs unless processed through the official organizer procedure
Required Documents
- Photo ID (passport or national ID card)
- Proof of age (passport, ID card or birth certificate)
- Registration confirmation (printed or digital)
- Medical certificate (if requested by organisers)
Entry Methods
- Online Registration
- Club/Association Entry
- On-site / Late Registration
- Team/Relay Entry
Cancellation & Refund Policy
No refunds for cancellations by participant (entries are non-refundable)
Bib/name transfers to another runner permitted until 7 days before race for a €5 admin fee
If the organizer cancels the event, full refunds will be offered or entries may be transferred to the next edition at the participant's choice
The Königsforst Marathon is a forest marathon held on mixed forest trails and country paths in the Königsforst east of Cologne, offering scenic woodland views and a mostly soft-surface course that can be muddy in wet conditions.
Finishers receive a technical long‑sleeve shirt and a commemorative finisher medal; post-race amenities typically include hot drinks and light snacks at the finish area.
The event is part of a race weekend with shorter distances and a children's run, and awards are presented for overall and standard age-group placings in the marathon.
Runners should plan to use trail or mixed‑terrain shoes, arrive early for limited parking near the start, and expect aid stations approximately every 4–6 km with water and sports drink; the organizer enforces a marathon cutoff around 6 hours.
All three distances (ultra 63.3km, marathon 42.2km, half marathon 21.1km) share the same fee structure; participants may spontaneously switch to a longer or shorter distance on race day without additional cost.
Training for this race?
Track your training, follow a plan, and prepare for race day with MarathonOS.
Scan to download
Community
Stories, tips, and race-day snapshots from runners who have tackled this course.
Community Reviews
Learn from fellow runners and share insights that will help the next person toe the line.