According to a Sarawak Public Communications Unit (Ukas) report, the event, which was held for the second consecutive year, had attracted local and international runners.
Tebedu assemblyman Dr Simon Sinang Bada was present to flag off the run this morning.
There were three categories contested namely 21km category involving 166 runners, 10km (120 runners) and 5km (198 runners).
Among the objectives of Eco Run is to attract more tourists to the Serian Division and at the same time improve the socio-economic status of the local population.
In addition, the Eco Run is also to promote the rural areas to visitors and inculcate sports activities as healthy lifestyle.
The Eco Run involved trails at Daha Kisau, Daha Mawang and Daha Seroban.