
The long course at the Vancouver Island Trail Running Series race in Cobble Hill climbs three separate times to a little over 300 metres, on mountain trails with almost no flat ground. Preparing for it means steep climbing, and keeping legs that can still run downhill after 20 kilometres.
The race is based at Nature Quarry Park in Cobble Hill, British Columbia, and the loop finishes where it starts. The start is itself the first big climb: nearly two kilometres at around eleven percent lift you by about 200 metres. The course then drops away again, the steepest ramp of the day comes at kilometre 4 with just over 600 metres at 15 percent, and from kilometre 6.7 two more climbs take you to the high point shortly before kilometre 10. From there you lose some 150 metres in little more than half a kilometre.
Between kilometres 11 and 17 the course mostly stays below 200 metres without ever going flat: a short, steep ramp gives way to small waves of 40 to 50 metres each. The aid station at around 15 km sits in this stretch, with others at about 7 and 21 km.
At kilometre 17.5 the way back up begins. Three climbs totalling a little over 320 metres arrive within six kilometres, and you already know the last two from the first half. From the final high point at kilometre 24, the course falls back to start level in just over a kilometre. The race has sold out quickly in recent years and there is no parking at the park itself, so sort out entry and travel early.
| Start | Length | Ø | Max. | Gain | Cat. |
|---|---|---|---|---|---|
| km 0 | 1.8 km | 11.5 % | 18.7 % | +206 m | Cat. 3 |
| km 4.1 | 0.6 km | 15.2 % | 32.1 % | +95 m | Cat. 4 |
| km 6.7 | 1.2 km | 9.1 % | 20.6 % | +109 m | Cat. 4 |
| km 8.8 | 0.9 km | 9.1 % | 20.3 % | +77 m | — |
| km 10.8 | 0.5 km | 13.2 % | 23.9 % | +66 m | — |
| km 17.5 | 1.2 km | 11.6 % | 37.8 % | +142 m | Cat. 4 |
| km 20.5 | 1.2 km | 8.8 % | 20.7 % | +106 m | Cat. 4 |
| km 22.6 | 0.8 km | 9.3 % | 20.2 % | +77 m | — |
Climb categories follow the road-cycling convention and rate the terrain itself (length and gradient) regardless of sport: Cat. 4 marks the easiest rated climbs, Cat. 1 the hardest, and HC (hors catégorie, “beyond categorization”) is reserved for the most brutal ascents. Short climbs below the Cat. 4 threshold stay unrated.
With nearly 1,100 metres of climbing and only about a tenth of the course flat, there is no rhythm here to simply hold. Run by effort rather than pace, and switch to walking early on the steep pitches. That applies from the very beginning: the first climb starts with the gun and invites a heart rate you will not win back on the seven that follow.
The race is decided between kilometres 17.5 and 24. The trap sits just before that: the low section runs faster than anything so far, and pushing there to bank time delivers you to the longest ramp of the second half on empty legs. Eat and drink around kilometre 15 while your stomach still cooperates. The station near 21 km is already well into the penultimate climb, so refill on the walk.
Almost half the course is downhill, much of it steep. Braking hard on the descent after kilometre 10 gets billed twelve kilometres later. Keep that one loose and controlled, because only the last drop from kilometre 24 is worth full commitment.

Expect roughly 3:15 to 5 hours depending on fitness and footing. That is a long aerobic effort broken every few kilometres by hard spikes, since eight climbs are short and steep enough to push you over threshold. Steady pace on flat ground prepares you for very little of it.
The key is the last nine kilometres, where you repeat two climbs you have already run fresh. So load the climbing late in your long runs: 90 minutes of rolling terrain, then three climbs of about a kilometre each at race rhythm. Build gradually towards a run of around three hours with 800 metres of ascent.
Power hiking is a real skill on this course. Practise it on ramps of ten percent and more, strongly and with an upright torso, and go straight back to running at the top. Add regular trail descents so your quads can absorb the braking load of nearly 1,100 metres down, along with strength work such as lunges and step-ups.
The mid-August date puts your longest sessions in summer. Carry exactly what you plan to eat and drink on race day, and plan around the aid stations: on this terrain, reaching the first one at around 7 km alone can take close to an hour.

Download the Vancouver Island Trail Running Series — Cobble Hill course as a GPX file for your watch or bike computer.
Ben connects your goal, the course, current load, recovery, and calendar. Your plan stays pointed at race day even when real life is not perfectly plannable.
Vancouver Island Trail Running Series — Cobble Hill is 26 km long. That distance shapes how much aerobic endurance, pace durability, and race-specific work belong in the training plan.
Vancouver Island Trail Running Series — Cobble Hill has around 1,082 m of elevation gain over 26 km. That affects pacing, muscular load, and preparation for late-race sections.
Vancouver Island Trail Running Series — Cobble Hill is classified as Mountainous, averaging 42.1 vertical metres per kilometre. 11% of the route is flat, 18% climbs moderately (2 to 6%) and 24% is steeper than 6%.
The hardest climb of Vancouver Island Trail Running Series — Cobble Hill starts at kilometre 0, runs for 1.8 km at an average of 11.5% and gains 206 metres. Cycling-convention rating: Cat. 3. 8 climbs are mapped in total.
Yes, Vancouver Island Trail Running Series — Cobble Hill is laid out as a loop: start and finish are in the same place.
Yes. The Vancouver Island Trail Running Series — Cobble Hill course is on this page as a free GPX download — ready to import into Garmin, Wahoo, Komoot, Strava or any other app that reads GPX.
Preparation for Vancouver Island Trail Running Series — Cobble Hill should account for 26 km, 1,082 m of elevation gain, current training load, and available training time. An adaptive plan helps place key sessions without ignoring recovery and real life.
The pacing strategy for Vancouver Island Trail Running Series — Cobble Hill should reflect 26 km, 1,082 m of elevation gain, and your current fitness. Start controlled and keep margin for sections where the profile or fatigue makes target pace harder.
Vancouver Island Trail Running Series — Cobble Hill takes place on August 14, 2027.
Vancouver Island Trail Running Series — Cobble Hill takes place in Cobble Hill, Canada.
Vancouver Island Trail Running Series — Cobble Hill offers 2 distances — Long course: 26 km; Short course: 12 km.