43km Mountain Marathon
A challenging mountain marathon combining fast-flowing single track with technical terrain, perfect for experienced trail runners seeking the perfect balance of challenge and enjoyment.
Start Time
08:00
Elevation
1,916m+
Cut-off
10 hours (18:00)
ITRA Points
2
Start
Gamkaskloof
Finish
Groenfontein Retreat
Start Venue Details
Gamkaskloof (Cape Nature Info Centre)
Gamkaskloof Valley, Swartberg Mountains, Klein Karoo
Important Information
- • Drive time: Calitzdorp: 3.5hrs, Oudtshoorn or Prins Albert: 2.5hrs
- • High clearance vehicle required for self-drive (4X4 recommended)
- • Light breakfast provided at the start line
- • Finish line bag drop at the start
- • Shuttles must be booked during entry and spaces are LIMITED
- • Shuttles operate from Calitzdorp on 24th April
Route Information
Route Description
A challenging mountain marathon combining fast-flowing single track with technical terrain, perfect for experienced trail runners seeking the perfect balance of challenge and enjoyment. Runners will pass through the historical Gamkaskloof, a remote valley known as "Die Hel". They exit via Elands pass and step onto the Donkey Trail—once the only link between Die Hel and the outside world, a path traders used to ferry goods through these mountains. Every stride will uncover rock formations, views and the memory of those who walked this ground long before us
Terrain Breakdown
Key Highlights
Technical Sections - Extra Caution Required
Aid Stations & Support
Gamkaskloof Start
0kmCape Nature Info Center
Fonteinplaas
7.4kmCamkaskloof Valley Floor
Donkey Trail Camp
22kmSwartberg Mountains
Groenfontein Finish
43kmGroenfontein Retreat
Key Information for 43km Mountain Marathon
Race Base Location
The main race base for all weekend activities is Groenfontein Retreat. This is where you'll find race headquarters, finish line celebrations, and the main hub for all race activities. Please familiarise yourself with your start and finish location.
IMPORTANT SELF Drive requirements
High clearance vehicles are essential for anyone making their own arrangements to and from Gamkaskloof. Add an additional 30minutes to Google map times.
Accommodation & Pre-Race Stay
Recommended Accommodation
For the 43km Mountain Marathon, we recommend staying at Fonteinplaas or the self catering options available at Boplaas. Both locations are in close proximity to the start. Luggage can be driven to the finish line.
Fonteinplaas
- • 7.4km from start area
- • Traditional farm experience
- • Camping available
- • email: info@traversetheearth.co.za for pricing and to book
Fonteinplaas and Boplaas Accommodation Bookings
Booking Information
- Contact accommodation partners as specified
- Mention "Black Mountain Ultra" when booking
- Book early - limited availability for race weekend
Perfect for Families: Groenfontein Retreat offers family-friendly accommodation with easy access to all race activities and post-race celebrations.
Additional Accommodation Options
Alternative Accommodation
For additional accommodation options in the Klein Karoo region, our team can assist with bookings at various partner establishments that offer convenient access to the race area.
Booking Assistance
Contact our accommodation specialist for personalized assistance with finding the perfect place to stay for your race weekend.
What We Can Help With
- Guest house and B&B recommendations
- Farm stay accommodation options
- Budget-friendly accommodation
- Group booking coordination
- Local area recommendations
Personalized Service: Our accommodation specialist knows the Klein Karoo region well and can match you with the perfect accommodation based on your preferences, budget, and group size.
Transport to the Race Start
Shuttle Service from Calitzdorp
Shuttle Schedule
- Departure:
- Journey time:
- Destination:
Race Day Timeline: Shuttle transport is available for 43km participants due to the remote start location. We recommend staying in Gamkaskloof 24 April. Overnight bags can be transported back to the finish line..
Self-Drive Requirements
Vehicle Requirements
- Remote mountain location with limited access
- Early morning departure required
- Return transport to vehicle must be arranged
Arrival Recommendation: If you are driving to the start please note you will need to make your own arrangements to fetch your vehicle.
Drop Bags & Logistics
Finish Line Drop Bags
Participants may leave a finish line drop bag at Gamkaskloof start area, which will be transported to the Groenfontein Retreat (finish area).
- Drop bag at start line before race
- Transported to Groenfontein Retreat finish area
- Available for collection at finish line
- Perfect for post-race clothing and gear
Plan your race
Familiarise yourself with aid stations and route profiles to plan your strategy.
- Comprehensive aid station support provided
- Manageable distance for carrying personal nutrition
- Focus on race strategy and pacing
Nutrition Strategy: Plan your nutrition strategy around the aid stations. Carry personal nutrition preferences and emergency supplies as needed.
Mandatory Gear Requirements
Critical Safety Requirement
All 43km participants must complete mandatory gear check during registration (23-24 April).Missing any mandatory item will result in race disqualification. Limited gear check is available on race day..
Safety Equipment
- Emergency whistle
- Space blanket/emergency bivvy
- Headlamp + spare batteries
- Mobile phone (emergency contact programmed)
- Personal first aid kit
Hydration & Nutrition
- Minimum 1.5L water capacity
- Electrolyte replacement capability
- Emergency food (energy bars/gels)
Weather Protection
- Windproof jacket
- Thermal layer
- Waterproof jacket with hood
- Buff or beanie
Gear Check Process
- Bring all mandatory gear to registration
- Officials will verify each item individually
- Items must be in working condition
Important Notes
- Test all electronic equipment before race day
- Carry spare batteries for headlamp
- Weather protection must be suitable for mountain conditions
- Emergency contact must be programmed in mobile phone
Entry Fees & Additional Costs
Entry Fees
Early Bird
Until 31 October 2025
Regular
1 November - 25 March 2026
Additional Charges
Great Value: Shuttle transport must be specified on entry
What's Included in Your Entry
Race Day Essentials
Breakfast
Light pre-race breakfast with coffee and energy options at the start line.
Technical T-Shirt
Premium technical race t-shirt with 43km Mountain Marathon design
Aid Station Support
Well-stocked nutrition and hydration at 2 strategic aid stations
Finish Line Experience
Goodie Bag
Runner goodie bag with local and sponsored products
Finisher's Prize
finisher prize
Celebration Meal
Traditional Klein Karoo feast with local wines and live entertainment
Perfect Mountain Marathon Challenge
Experience the ideal balance of challenge and enjoyment with the 43km Mountain Marathon through the spectacular Swartberg Mountains.
Enter NowLimited spots available • Early bird pricing ends 31 October 2025