Monday, March 7, 2011

Nike +

How does the sensor work?

Recently I stumbled across a FAQ by Apple that explains a few things:
How does the sensor know how fast I am going?

A sensitive piezoelectric accelerometer monitors your footstrike when you walk or run and determines the amount of time your foot spent on the ground. This contact time is directly related to your pace.
With my seldom-used electrical engineering background, I have to agree that Apple made a great choice for a sensor for three reasons:
  1. Price - Piezoelectric sensors are very inexpensive and simple devices. For example, a basic piezo shock sensor costs less than a dollar from Digi-Key.
  2. Battery Life - Piezo sensors can be integrated into a very low-power design. Battery life of the sensor has been a main concern of users. It looks like Apple has done their work and the sensor's battery should outlast five pairs of running shoes.
  3. Accuracy - By measuring the pressure of each step, the sensor should be able to measure the approximate pace of the runner. Apple claims that the sensor will be accurate for most users out of the box, with no calibration.
Previously many people, myself included, speculated that it might be possible to simply strap the sensor onto the laces of an existing pair of running shoes. This was based on the idea that the sensor would use a motion-based accelerometer to measure steps. However by using a shock-based accelerometer, the sensor must be placed underneath the foot so that it will feel the shock of each step. There have already been reports of hobbyists cutting holes in their existing running shoes for the sensor. So far, it seems that they've succeeded!

Sunday, March 6, 2011

NATGEO Run 2011

If you’re planning to join the NATGEO Run 2011, there’s a registration booth at Greenbelt 3 until April 3, 2o11
Details of the NATGEO Run 2011 below:
National Geographic Channel Run 2011
April 10, 2011
Bonifacio Global City
Registration Fees:
3KM - Php 600
5KM - Php 700
10KM - Php 950
21KM - Php 1150

Registration fees are surely getting expensive these days :)

The dri-fit shirts.

Check out the NATGEO Run 2011 official website where you can also register online.

Wednesday, January 19, 2011

The Route - Baguio 21k Feel the Hill

1. The race is open to all male and female runners.
2. Runners below 18 years old must have their entry form signed by parent or guardian
3. Registration period: January 15 – March 10, 2011
4. Only the official race and medical vehicles will be allowed on the course. Security and volunteers will be on alert during the entire race.
5. No need for runners to check in but will be disqualified from winning if they start before the gun time because of electronic timing system.
6. Bib number is not transferable and must be worn during the race.
7. Participants may run, walk or rest upon their discretion, provided they do not leave the route of the race nor ride in vehicle to avoid disqualification.
8. Hydrating stations are provided, so don’t miss it.
9. All runners must pass on the provided electronic mat to power their electronic shoe tag and record their official time. Official result will be posted on
10. The organizer reserves the right to reject any entrant or disqualify if found to have misrepresented him/herself.
11. Protest related results must be made in writing and submitted within one hour after the end of the race with non-refundable fee of Php 5,000.00. No verbal protest will be entertained.
12. The organizer reserves the right to alter any of the rules deemed necessary for the success of the event.
13. The organizer’s decision is final.

Registration Centers:

A. 89.5 STAR FM RADIO, 87 Lourdes Subdivision, Dominican Hill
Daily from 9 am to 5 pm
B. Hotel Henrico, Baguio City, Legarda Road
Open from Monday to Saturday, 9 am – 5 pm

SECONDWIND RUNNING STORE, Unit 03A, Ortigas Home Depot,
Julia Vargas Avenue, Pasig

A registration fee must accompany each individual official entry form.
21K category = Php 600 5K/10K category = Php 500

For early birds, joining the race becomes more exciting because of the personalized bib number.


Out-of-town races like this one provide a breather from the usual routes in Metro Manila races. The race route is shown below:

Friday, January 14, 2011

Mt. Daguldul

San Juan, Batangas
Jump-off: Brgy. Hugom, San Juan
Latitude, Longitude, Altitude: 13°40.380N 121°19.160E, 672 Meters Above Sea Level (+ 672 m)
Days required / Hours to summit: 1-2 days / 5 hours
Specs: Minor climb, Difficulty 3/9, Trail class 1-3

A nice trek in southern Batangas is the coastal mountain of San Juan, Mt. Daguldul. The name 'Daguldul' or 'Daguldol' has been used since olden days. It has an onomatopoeic feeling – that of suspense and grandness. Maybe it describes the grandeur of the range and the abrupt rolling of its slopes.

Actually a small mountain range, Mt. Daguldul has several 'gems' to offer. First, there is the unique seascape that greets the hiker on the intial beach trail. Then, there is trail, moderate in difficulty, passing by woodlands and light forests. In some parts, the greenery is total. Of course there is the peak, which, although not really spectacular in terms of views, has a refreshing feel. Finally, there are excellent sidetrip choices such as the unique Naambon Falls and the acclaimed Laiya beach.

A good thing about Mt. Daguldul is that the guides are organized under the Hugom Environmental Guides Association (HEGA). This means that fees are fixed and they are reasonsable - guides for P400/day and a climbing fee of P30 (as of 2006; update needed). After meeting with the guides or registering, you can start trekking. The trail starts off at the beach - here is where you can see the good rock formations. Afterwards, you will enter the forest. After around 1.5-2 hrs, halfway through the trail, you will see Mang Lizardo's place; in this area are stores offering basic foodstuffs and softdrinks. Buco juice and even fresh, pure honey can be bought here. Another 1.5-2 hrs and you will reach the peak/campsite areas. Long Henson (2001-2002) was the first to report the names of these campsites, namely Campsite 1 (Gulugod-Baboy); Campsite 2 (Niyugan - lots of cocount trees); and Campsite 3 (Anahawan). Usually, the determining factor in camping is the one you reach before nightfall, but these campsites are all within the area which you can explore anyway.

The summit area is windy, as expected from a coastal mountain. Grasslands make for a 'picnic ground' feel; there are some rock formations also. In one viewpoint, called Biliran ng Limatik (20 minutes from Niyugan campsite), the nearby mountains such as Maculot (NW), Malipunyo (NNW), and more distant Mt. Banahaw (NE) can be seen; and also Mindoro (and perhaps Verde Island, SE), Tayabas Bay (SW) and a faint island, Marinduque (SSW). Visible also is Naguiling Peak in the same range - a pristine, promising destination.

On the way back, in between Mang Lizardo's place and the beach, there is a marker that leads to Naambon Falls, just 5 minutes away from the trail. The 25 meters cascade of water falling down a rock face is a must-visit on a trek to Mt. Daguldul. Finally, after the climb, you can unwind in the cool waters of Laiya beach before heading back to Manila.


Monday, January 10, 2011

Boracay here i come!!!!

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