CM50 the Longest Running 50Miler in Asia registration is now open at RaceYaya.Register !

 In Event

We are happy to announce the opening of registration for the 2018 CM50, a trail race, which is now on its 8th Edition.  The race is happening on November 25, 2018 at Filinvest Mismosa+ Leisure City in Clark Freeport Zone, Pampanga, Philippines.

Details are at —->>>

The trail race is an out-and-back course on footpath connecting Clark (formerly Clark Air Base of the American servicemen and during pre-WWII, it was called Fort Stotsenburg) to the scenic Miyamit Falls in Porac, Pampanga. It is an old trail used primarily by Aetas to travel from their ancestral land, Clark and other neighboring areas.

The route will take runners from the Tennis Court area of Clark Parade Ground (Start/Finish line) at Clark Freeport Zone (formerly Clark Air Base), Gate 14, Sacobia River, Puning Spa, Sitio Target, up the dirt road covering the sugar cane plantation, SitioEbus (Aeta community), down to the expansive Pasig-Potrero River (river crossing), parallel dirt road along SCTEX, Crow Creek (SapangUwak), passing through the Aeta community, then up to Miyamit Falls and the peak (about 3kms to caldera of Mt. Pinatubo) and back to Clark.

The trail race since 2011 has welcomed a deep field of competitors both from the local and international trail runners.

HISTORY: CM50, one of the pioneer trail ultramarathon races in the Philippines started in 2011 with only 50 plus participants and a mere 14 finishers.  The dreaded 10 kilometers of a hilly, remote and rugged terrain going to the peak which is near the caldera of Mt. Pinatubo has challenged even the strongest of the 2011 challengers.  Coupled with a strict cut-off time, the survivors have rightfully earned the moniker “’Bad Ass”.   The Race Director has kept the cut-off time strict and within international standard.  The scenic view and the challenge of earning the coveted title “Bad Ass” Trail Ultrarunner has attracted runners, ultrarunners and mountaineers to train and join the race.  The race has paved the way for the booming interest in trail ultrarunning in the Philippines.  If not racing, members of running groups have been joining as volunteers for CM50, keeping it as an annual tradition of being an intimate gathering of racers, volunteers, organizers, supporters, family and friends.

CM50 is a the FIRST LOCAL race to be acknowledged as a member of the prestigious International Trail Running Association (ITRA) –   It carries 4 qualifying points for The North Face® Ultra-Trail du Mont-Blanc® (UTMB) – hence attracting international runners to race. (pending 2018 confirmation).  The race is also one of the pioneer member race of the Asia Trail Master with runners earning 100 finisher points and 400 performance points.

The 2018 CM50 Trail Race Series

For 2018, 250 slots will be  opened for the ultramarathon distance. The race will start at 1am and will end with closing festivities at 7pm or as soon as the last runner has crossed the finish line.

A new category will be opened which offers a 10-mile out of back course from Parade Grounds to Sacobia River and back.

There are three categories to choose from:

Distance 50 Miles 32miles 10miles
Elevation Gain/Loss 3120m 2166m




Cut-off 18 hours


16 hours 5 hours
Qualifying Race (This is the minimum qualification.  Official race results should be verifiable online.  If you do not have a qualifying race, please email us at [email protected] stating the reason why you should be allowed to participate in the race. 42K trail marathon 21K trail or

42K road marathon

Registration Fee- Local

Early Bird Rate (until September 30,2018)

Regular Rate  (until November 2, 2018)

Late Registration Fee applies in November 2018










Registration Fee- Foreign

Early Bird Rate (until September 30,2018)

Regular Rate  (until November 7, 2018)

Late Registration Fee applies in November 2018









Slots Available 150 100 100

Medical attestation: By joining this race, it is understood that runners are medically fit to participate, fully aware of the risks involved and thus, signify/vouch that they are medically insured or has the means to cover expenses on their own in case of unforeseen eventuality

Race Rules and other details are at



Race Director/Organizer:  Atty Jonnifer Lacanlale

Contact Email:  [email protected]

For your gears and nutrition needs,visit


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