About Us
Mountain Bike Race is becoming a popular sport within Sarawak as well as Malaysia. The races are governed by Union Cycliste Internationale (UCI) based in Switzerland and in Malaysia it is governed by Malaysian National Cycling Federation (MNCF).

Siol Mountain Bike Challenge started in 2003 which was organised by the Kuching North City Hall and has become an annual event since. In 2014 and 2015 the event has been uplifted in terms of its organising which applied the full UCI specification with participants coming from most of the States in Malaysia and our neighboring Asean countries.

In November 4th till 6th 2016, we witnessed the first ever Siol International Mountainbike Challenge thus creating history in Sarawak pioneering as the first UCI sanction mountainbike event successfully organised. SIMBC 2016 was given the honour to host the final leg of the Asia Mountainbike Series and UCI Junior XCO World Series 2016. Over 200 riders participated in this event coming from Asian countries namely Thailand, Brunei Darussalam, Indonesia, Philippines, Japan, India, Timorleste, Singapore and one from Portugal, Europe as well as State teams from Malaysia.

Siol International Mountainbike Series 2017 – Asia Mountainbike Series will be held on 3rd to 5th November 2017 and we will again host the final leg of the ASIA MOUNTAIN BIKE SERIES.

The Asia Mountain Bike Series for this year are as follows :
22-23 April : Yawatahama, Japan
5-6 August : Tambunan, Sabah
16-17 Sept : Timor Leste
14-15 Oct : Yamaguchi, Japan
3-5 Nov : Siol International MountainBike Challenge 2017, Sarawak, Malaysia

The 5-series is already in the UCI Calendar with SIMBC currently being the FINALE but if Indonesia registers, then they will host the finale where the overall championship will be held

It is expected that more International participants will take part as SIMBC 2017 offered the highest prize money in the Asia series.

The event will not materialise if not for the effort of Kuching North City Hall and the support of State government agencies, corporate sponsors, Malaysian National Cycling federation and the Union Cycliste Internationale (UCI) which will provide technical expertise.