Organized by KOTM – Intrepid Spirit
A New Name. The Same Backyard Spirit. Welcome to Baguio Backyard Ultra.
Baguio, Philippines – A new chapter begins for the Philippines’ original Backyard Ultra event. Formerly known as Jingle Balls Backyard Ultra (JBBU), the event will now carry the name Baguio Backyard Ultra (BBU).
The rebranding reflects the event’s continued growth and its strong connection to the City of Baguio—its home since the inaugural race. While the name has changed, the event’s mission, Backyard Ultra format, and commitment to delivering a world-class endurance experience remain unchanged.
The Philippines’ first Backyard Ultra was established in December 2019, introducing the internationally recognized “Last Person Standing” format to Filipino trail runners. Following its successful debut, the event returned in December 2023 and December 2024, attracting an increasing number of runners eager to test their physical and mental limits.
Building on this momentum, the event held its fourth edition in March 2026, marking another milestone in the continued growth of the Backyard Ultra community in the Philippines. With the transition to Baguio Backyard Ultra, the event enters an exciting new era while honoring the legacy established under the Jingle Balls Backyard Ultra name.
Held in the mountain city of Baguio, affectionately known as the “City of Pines,” the event takes place within the scenic surroundings of Camp John Hay (CJH), a former U.S. military camp that has become one of the city’s most popular recreational destinations. Its cool climate, pine forests, and extensive trail network provide an ideal setting for an endurance event of this nature.
The course is entirely off-road and consists primarily of single-track trails. The route is carefully maintained and kept clear of vegetation and overgrowth to provide safer running conditions, better visibility of the trail surface, and more room for runners to overtake where appropriate. The layout also offers improved counterflow conditions near the turnaround section, where competitors pass each other in opposite directions.
At Intrepid Spirit, our mission has always been to create a safe, welcoming, and encouraging environment where runners of all abilities can discover trail running, connect with nature, and challenge themselves in ways they never thought possible. The Backyard Ultra format is unlike any other running event. There is no predetermined finishing distance—only one runner will ultimately remain. Participants must carefully manage every loop, conserve both physical and mental energy, resist the temptation to stop, and eventually overcome the challenge of fatigue and sleep deprivation.
As Baguio Backyard Ultra, we look forward to welcoming both returning participants and first-time runners to experience the Philippines’ original Backyard Ultra and to continue building a vibrant community of endurance athletes for years to come.
Stay informed with the latest updates and announcements to ensure you never miss a moment of the event!
The race format of a Backyard Ultra is quite simple. You run a 6.706 km loop/lap within the hour, every hour, until there is only one race competitor left. Competitor’s drop out of the race for three main reasons:
So, for example, if you complete a loop/lap in 45 minutes, you have 15 minutes before the next loop/lap starts. What you do with your time is completely up to you, but you MUST be in the Starting Corral before the next loop/lap starts. There are three, two and one minute warning bells so all participants are aware of the impending start time. In essence, there is a new race every hour. It doesn’t matter how fast or slow you run the loop/lap, as long as you make it back to the finish line before the 1 hour cut off. In a traditional Ultra Marathon, you can hit a low point in the race, but regather yourself for 30 minutes at the nearest aid station. Unfortunately you don’t have that same luxury in a Backyard Ultra. You can’t afford to have a ‘bad’ loop/lap.
Backyard Ultra is not a race against others – there is no person “in the lead” at any time. But rather, you are competing against yourself – to see how far you can go, one ‘yard’ (4.16667 miles (6.7 km) per loop/lap) an hour. It is a simple concept that requires endurance, mental fortitude, planning, the ability to adapt when plans don’t work, and the ability to enjoy your run ‘in the moment’.
Thank you for being a part of the Intrepid Spirit family with this event.
Jingle Balls Backyard Ultra is affiliated with the Backyard Ultra organization.
For the new comers let us offer a couple of bits of advice on how to get the most from yourself in this format:
But most of all, we wish you a safe and amazing experience at Jingle Balls Backyard Ultra.
If you finish earlier than planned, please do hang around and encourage other competitors. Perhaps you’ll learn a thing or two from those still going. It’s a great place to chill out after your run so enjoy the atmosphere.
Our event insurance policy does not extend to personal injury. It is mandatory that each competitor have at least personal accident insurance cover in time for the event.
We have a shared sheltered tent area. But you also can bring your own tent if you prefer. Tents can be set up in the adjacent to the shared shelter. Our crew will guide you exactly where. Be prepared for rain or sun.
We have a shared, sheltered area next to the start line for competitor’s. You cannot “spread out” in this space due to the limits on size, but as other competitor’s stop, you can add more space to your area here. Support crew are able to help competitors out, but please be mindful of space and try to limit crew to just one per competitor early on in the event. As competitors stop more crew can assist. Competitors are always welcome to go to their tents in between loops/laps.
Public toilet / comfort room are located adjacent to our venue. Competitors may only leave the course directly to use the toilet / comfort room. Competitors will not technically be off the course. However do not get stuck in a toilet / comfort room as you must be in the Starting Corral and begin your loop/lap with the ringing of the bell. Support crew and volunteers are asked to not use the portable comfort rooms between fifteen minutes to the hour and directly after the start of a loop/lap in order to allow competitors to have access.
The race will provide quality aid station nutrition, but it’s always a good idea to bring your own to supplement what is available. We will have hot brewed coffee going 24 x 7. Hot cup noodles will be available for the evening and night. Pizza will be provided for the evening – starting around 6 pm. Typical aid station items will be provided also – fresh fruit, chips, pan de sal, boiled egg, sticky rice, soda, buko, etc. A list will be sent out to competitors a week or two prior to the race with specific items. Aid station items are for competitors ONLY.
Competitors will be manually timed. We will do our best to update social media, pending a good internet connection, so friends and family can follow along. We will log everyone’s distance, although only the sole survivor will be considered a finisher as everyone else will be technically ranked as Did Not Finish (DNF).
Competitors may only have one crew member in the shared shelter while more than half of the runners are in the event. This is due to space considerations in the competitor’s area. As space increases between competitors and opens up, competitors may have more crew members assisting in the shelter. Competitors and their crew are asked to try to have no more than two cars per competitor. Crew may not assist their competitors while on their loop/lap.
We welcome any participant that would like to try the event and we encourage serious competition to go as far as you can.
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