Where exactly does the race take place?

The race takes place at Ndakaini Dam in Murang'a County, roughly 50km north of Nairobi.

Can I get to the race without driving myself?

Yes. Return bus transport (KES 1,500) is available from three pickup points in Nairobi: Kencom (departing 4:45 AM), TRM (departing 5:15 AM), and Kenyatta University (departing 5:45 AM), arriving at Ndakaini Dam by 6:30 AM.

What if I can't make it to Ndakaini in person?

You can run it virtually. Pick your distance (21km, 10km, 8km, 6km, or 2km), complete it anywhere over the marathon weekend, and connect Strava to verify your finish.

How do I get my finisher certificate?

Look up your Certificate of Completion using the ID number or phone number you registered with, and download it instantly from the event website.

How do I register without internet access?

Register via USSD by dialling *826*77#.

What is the 'Sponsor a Tree' option?

It's an optional KES 500 add-on at registration, contributing to tree growing and ecosystem restoration efforts around Ndakaini Dam, part of the event's broader sustainability mission.

Half MarathonSanctioned by Athletics Kenya

Nairobi Water Ndakaini Mazingira Half Marathon

Q: What is the prize money for the Half Marathon?

The 21km category pays out to 10th place, per gender: 1st KES 250,000, 2nd KES 100,000, 3rd KES 70,000, 4th KES 70,000, 5th KES 30,000, 6th KES 20,000, 7th KES 15,000, 8th KES 13,000, 9th KES 12,000, and 10th KES 10,000.

Saturday, 10 October 2026

6:45 AM (Corporate & Fun Run Assembly)

Distances: 2k, 6k, 8k, 10k, 21k

About: Save Green. Save Blue. A flagship sustainability-conscious road race held within Ndakaini Dam, one of Kenya's most important freshwater reservoirs, serving millions of …more

About: Save Green. Save Blue. A flagship sustainability-conscious road race held within Ndakaini Dam, one of Kenya's most important freshwater reservoirs, serving millions of residents across Nairobi, Murang'a, Machakos, Kajiado, and Kiambu. Held annually on Mazingira Day.

Nairobi Water Ndakaini Mazingira Half Marathon poster

Ndakaini Dam, Murang'a County

6:45 AM (Corporate & Fun Run Assembly)→7:15 AM (Corporate & Fun Run Start)→7:45 AM (Half Marathon Assembly)→8:15 AM (Half Marathon Start)→8:45 AM (Community Run Assembly)→9:15 AM (Community Run Start)

2km, 6km, 8km, 10km, 21km · Calculate pace

KES 1,000 (Community Run)→KES 2,500 (10km/Corporate & Fun Run, Half Marathon)

Mazingira Sustainability Village, in partnership with Nairobi Water

info@mazingirasustainabilityvillage.org

www.mazingirasustainabilityvillage.org

@ndakainimazingirahalfmarathon Facebook @ndakainimhm

apps.little.africa/events/ndakaini-mazingira-half-marathon-

Or pay via:USSD: dial *826*77#

Can't make it to Ndakaini? Run it virtually - pick your distance (21, 10, 8, 6, or 2km), run it anywhere over the marathon weekend, and connect Strava to verify your finish. Finishers can look up and download their Certificate of Completion using their registered ID number or phone number.

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Event Highlights

A flagship sustainability-conscious road race held within Ndakaini Dam, a critical freshwater reservoir for millions of residents across five counties

Held annually on Mazingira Day, 10th October

Expected turnout of over 10,000 participants

Half Marathon prize pool exceeding KES 1 million, paying out to 10th place

Return bus transport available from Nairobi via Kencom, TRM, and Kenyatta University

Virtual participation option for those unable to attend in person, with Strava verification

Instant Certificate of Completion lookup for finishers

Running For

❤️

Water Security, Watershed Protection & Ecosystem Restoration

Held within Ndakaini Dam, one of Kenya's most important freshwater reservoirs, supplying millions of residents across Nairobi, Murang'a, Machakos, Kajiado, and Kiambu. The event supports water security and watershed protection, tree growing and ecosystem restoration, circular economy and green innovation, and sports for sustainability advocacy, aligned with Kenya's Vision 2030, the National Climate Change Action Plan, the 15 Billion Trees Programme, and the SDGs.

via Mazingira Sustainability Village (MSV)

Race Fees

Category	Fee	Status
Corporate & Fun Run (10km) Assembly 6:45 AM, start 7:15 AM.	KES 2,500	Available
Half Marathon (21km) Assembly 7:45 AM, start 8:15 AM.	KES 2,500	Available
Community Run (10, 8, 6, or 2km) Assembly 8:45 AM, start 9:15 AM.	KES 1,000	Available
Transport Ticket (Nairobi - Ndakaini, return) Return bus transport from Nairobi to Ndakaini Dam. Pickup points at Kencom (4:15 AM), TRM (5:00 AM), and Kenyatta University (5:30 AM), arriving Ndakaini Dam by 6:30 AM.	KES 1,500	Available
Sponsor a Tree Optional add-on contributing to tree growing and ecosystem restoration efforts around Ndakaini Dam.	KES 500	Available
Under 10 Entry for children under 10 years.	KES 500	Available

What's Included

Race entry for chosen distance

Support along the course

Race Distances

2km

6km

8km

10km

21km

Pace Calculator

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Event Schedule

6:45 AMCorporate & Fun Run (10km) - Assembly

7:15 AMCorporate & Fun Run (10km) - Start

7:45 AMHalf Marathon (21km) - Assembly

8:15 AMHalf Marathon (21km) - Start

8:45 AMCommunity Run (10, 8, 6, 2km) - Assembly

9:15 AMCommunity Run (10, 8, 6, 2km) - Start

Course Details

All races start and finish at Ndakaini Dam in Murang'a County. Three race tiers run at staggered times: the Corporate & Fun Run (10km) assembles at 6:45 AM and starts at 7:15 AM, the Half Marathon (21km) assembles at 7:45 AM and starts at 8:15 AM, and the Community Run (10km, 8km, 6km, or 2km options) assembles at 8:45 AM and starts at 9:15 AM.

Transportation

Fare: KES 1,500 return
Destination: Ndakaini Dam
Arrival: By 6:30 AM
Return journey: Return transport included

Kencom Pickup
Kencom, Nairobi
Departure
4:45 AM
Meetup:
4:15 AM
TRM Pickup
Thika Road Mall (TRM), Nairobi
Departure
5:15 AM
Meetup:
5:00 AM
Kenyatta University Pickup
Kenyatta University
Departure
5:45 AM
Meetup:
5:30 AM

Book transport

Getting There

Ndakaini Dam is in Murang'a County, approximately 71.6km from Nairobi, around 1 hour 42 minutes via the Northern Bypass, Thika-Gatura Road/C67, and the A2 (avoiding any incidents on the A2). Return bus transport (KES 1,500) is also available from Nairobi: meet at Kencom at 4:15 AM for a 4:45 AM departure, TRM at 5:00 AM for a 5:15 AM departure, or Kenyatta University at 5:30 AM for a 5:45 AM departure. Arrival at Ndakaini Dam is by 6:30 AM.

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Prize Money

Total prize pool: KES 1,160,000

21km - Men & WomenPer gender amounts.

1stKES 250,000

2ndKES 100,000

3rdKES 70,000

4thKES 70,000

5thKES 30,000

6thKES 20,000

7thKES 15,000

8thKES 13,000

9thKES 12,000

10thKES 10,000

Race Sponsors & Partners

Nairobi WaterAthletics KenyaLittle Events TicketingBooch

Did You Know?

🌍Ndakaini Dam is one of Kenya's most important freshwater reservoirs, supplying water to millions of residents across Nairobi, Murang'a, Machakos, Kajiado, and Kiambu.

🌍The event is organised by Mazingira Sustainability Village (MSV), a registered community-led organisation working on water security, tree growing and ecosystem restoration, circular economy and green innovation, and sports for sustainability advocacy.

🌍MSV's work is aligned with Kenya's Vision 2030, the National Climate Change Action Plan, the 15 Billion Trees Programme, and the UN Sustainable Development Goals.

🌍The event is held annually on 10th October, marked as Mazingira Day.