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Ultra MarathonPast
Circum Kilimambogo 3 in 1 Run - Kosmos Style
Saturday, 23 May 2026 · 6:30 AM (Assembly 6:00 AM)
A unique 3-in-1 run around Mt. Kilimambogo: a full marathon in the morning (Wider Circum), a half marathon hike to the summit at noon, and a 10km recovery run in the evening.
6:30 AM (Assembly 6:00 AM)
42km, 21km, 10km (or all three)
Park Entry Fee only: East African Citizens KES 500 (Adult), KES 250 (Child/Student)→Kenyan Residents KES 675 (Adult), KES 350 (Child/Student)→Non-Residents USD 50 (Adult), USD 25 (Child/Student)→African Citizens USD 20 (Adult), USD 10 (Child/Student)
Ultra Runners Kenya
Ness: 0720 324 705
Event Highlights
Unique 3-in-1 format: full marathon, half marathon summit hike, and evening recovery run all in one day
Circumnavigate Mt. Kilimambogo on the Wider Circum route (42km) in the morning
Hike the full course to the Kilimambogo summit (21km) at noon
Wind down with a 10km evening recovery run
Organised by Ultra Runners Kenya at the scenic Olosowan Resort
Course Details
Three staggered distances share the same venue at Olosowan Resort. The 42km Wider Circum starts at 6:30 AM, the 21km hike to the summit begins at noon, and the 10km recovery run takes place in the evening. Participants can enter one, two, or all three distances. Park entry fees apply and are paid separately on the day.
Getting There
Olosowan Resort is at Kilimambogo, approximately 65km northeast of Nairobi along the Thika-Garissa Road. The Google Maps Plus Code is W742+9X Katheka. The drive from Nairobi takes around 1 to 1.5 hours (without much traffic). Contact Ness on 0720 324 705 for directions.
Open in MapsDid You Know?
🌍Ol Donyo Sabuk (Kilimambogo) rises to 2,145m above sea level and is one of the most prominent peaks in central Kenya.
🌍Ol Donyo Sabuk National Park is home to buffalo, colobus monkeys, and over 200 bird species within its forested slopes.
🌍The Kilimambogo area lies in Machakos County on the border with Murang'a, roughly 65km northeast of Nairobi.
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6:30 AM (Assembly 6:00 AM)
42km, 21km, 10km (or all three)
Park Entry Fee only: East African Citizens KES 500 (Adult), KES 250 (Child/Student)→Kenyan Residents KES 675 (Adult), KES 350 (Child/Student)→Non-Residents USD 50 (Adult), USD 25 (Child/Student)→African Citizens USD 20 (Adult), USD 10 (Child/Student)
Ultra Runners Kenya
Ness: 0720 324 705