
Distance: 21K
Time: 2 hour and 52 minutes
Date: December 10, 2011
Pace: 8:11 minutes per kilometer
Ridge Run vs Trail Run
I finally got my answer on which is more difficult between a ridge run and a trail run. The answer is a ridge run and a trail run combined A.K.A. Corregidor International Half Marathon. CIHM has been known to be an extreme marathon since it has an endless amount of killer hills and slippery trails. The race would at the same time be a tour around Corregidor wherein you get to see the ruins and structures in Corregidor plus the Ocean View on some parts and an eerie experience of ghostly proportions.
Cabana

We came a day earlier and were housed in a Cabana in the resort side of Corregidor via Sun Cruises. We were able to get some stops along the island and at the same time had an idea of the upHELL climb awaiting us the day after. The Cabana was cozy enough for sleep and had a good ocean view.
Course and Elevation
The  race starts at the south dock and leads you straight to a dark and  eerie Malinta Tunnel then a you continue to climb towards Japanese  Garden of Peace at about the 2K Mark.  This is followed by a descent  towards the resort side and walking along the trail road just beside the  sea and climbing the stairs towards the first u-turn slot.  After the  u-turn slot you get to climb back to the Filipino Heroes Memorial and  then trek down to the airfields wherein you get to pass a long stretch  of grass area between the 5th and 6th kilometer.  Next, you go back to  National Heroes Memorial and head back to Malinta Tunnel at around the  9K mark and is followed by more than a kilometer climb to the other side  of the island where you get a 5-6 kilometer stretch of trail and road  combination passing through the hospital, mile-long barracks and the  light house.  From the 16K you get a 3 kilometer descent back to the  dock area and kilometer 19 and 20 is the toughest part with a steep  climb along the road near the shoreline. Finally, the last kilometer is a  descent back to Malinta Tunnel and to the finish line.
At  gun start, you immediately go uphill covering a 40 meter of elevation  in the first two kilometers followed by a kilometer descending 40 meters  of elevation and climbing back again another kilometer. This is  followed by two kilometers of slow decent of around 20 meters of  elevation to the airfields and climbing back another 2 kilometers of the  same elevation. At kilometer 8, you get a kilometer descent to Malinta  Tunnel with about 40 meters of elevation.  From there you get to start  your climb at kilometer 9 wherein you get to cover 180 meters of  elevation over a 7 kilometer stretch of road and trail.  You start your  descent of about 3 kilometers with about 180 meters of elevation.   Kilometer 19 and 20 is the toughest part with a 60 meters elevation  climb spread out in 2 kilometers.  Finally, you get to descent to the  finish line in the last kilometer covering 60 kilometers of elevation.
The Race
Knowing  that this was an extreme marathon because of the terrain and the  trails, I really didn't know what to expect so I'll just go with the  flow and take it slow and easy.
Kilometer 1-9
The  first 9K consists of moderate climb and descents so I went slow on the  inclines and fast on the descents.  I was able to finish this part at a  steady time.  This course also had you past the creepy Malinta Tunnel  twice.  The first one at the start of the race and the second one  approaching the 9K mark.  It felt scary on my second round as the next  runner in front of me was 10-20 meters away so I covered this area  faster than my regular pace.
Kilometer 10
Kilometer  10 was the start and the steepest part of the climb.  I walked this  part of the race to save energy for other parts of the race given this  is a 21K race. It does take so much energy to go for climbs this steep.
Kilometer 11-15
Kilometer  11 to 15 was a combination of an uphill climb and a trail run so I ran  the flat portions and slight inclines and brisk walked the steep  inclines and the slippery part of the trail.  This was my first trail  experience and the rain the day before made some portions of the road  slippery but it was also exciting trekking in this trails as it also had  some nice views and surprises in between.
Kilometer 16-18
Kilometer  16 was the start of a 3 kilometers downward descents.  Unfortunate for  me, this is where I experienced my first cramps on my right calf muscles  just I was about to attack the descents.  I thank some fellow runners  who assisted me as I fell with the cramp and helped me to stretch and  stand up during the portion.  I went for a slow jog from there on and  good thing it was the downhill part so less stress on the calf muscles  and was able to withstand the distance despite the cramps.
Kilometer 19-20
This  was the killer hill portion of the race so I just walked this part and  taking bigger stride to cover more ground instead.  It was a tough climb  especially coming from cramps but I expected this part of the race so  just had to find ways to endure.
Kilometer 21
Entering  the last kilometer, I had my second fall with cramps on both calves.   Lucky for me that I landed on grass areas and that a race marshal was  nearby.  The race marshal help soften the cramped muscles and help me on  my feet again.  I just walked the remaining part of the race except for  the creepy Malinta tunnel wherein I started to jog.  It was also a  scary idea on what if I cramped again inside Malinta tunnel but  fortunately I didn't.  I jogged myself all the way to the finish line.
Conquering Corregidor
I  may be banged up big time for this one but I was able to conquer  Corregidor and this medal stands out from the rest as I practically had  to crawl myself up in getting this one.  It's really not a good feeling  cramping up during a run but a finish is a finish and I have set myself a  new PR... personal records for most cramps during a  run at 3 (2x on  the right calf and one on the left). Oh well, what doesn't kill you can  only make you stronger. I'm not yet done licking my wounds but as  McArthur once said in Corregidor, I shall return...
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