Running sessions at Karori Park
Wellington
If Wellington distance running has a home ground, this is it. Here is how to use it, and the one thing about the loop that nearly everybody gets wrong.
The short answer
Karori Park is Wellington's default venue for distance running sessions: a flat limestone and asphalt loop, soft underfoot, floodlit through winter, and busy with serious runners most evenings. The critical detail is that the loop is not a kilometre — measured with a calibrated wheel it comes out at about 965 metres, with roughly another 10 if you detour around the cricket nets. GPS around the park is unreliable, so run to lap time, not to watch pace. Four minutes a lap is about 4:09 per kilometre, not 4:00.
Why it is the best session venue in the city
Three things, and the third is the one that matters most.
The surface. Limestone and asphalt, flat, and forgiving in a way that road is not. You can run a hard session there every week for years without accumulating the impact load that the same volume on tarmac would give you. For anyone over 40, or carrying volume, or managing a grumpy Achilles, that is a substantial and underrated advantage.
The loop. A measured, repeatable lap means you can compare a session in March against the same session in September and know that the only thing that changed was you. Very little else in Wellington gives you that — the waterfront has the wind, the trails have the gradient, and the track has an access roster.
The people. This is the real reason. On any given session evening you will find a large share of the city's serious distance runners doing their reps there. Our Saturday club sessions run three pace groups off the loop — sub-19, 19 to 24, and 24 to 30 minutes for 5km — and there is nothing in a training programme that substitutes for someone beside you already running the right pace.
K-Park maths: the lap is 965 metres
This is the part worth reading twice.
Almost everyone treats the limestone loop as a kilometre. It is not. I have measured it with a calibrated wheel and it comes in at roughly 965 metres. Going around the cricket nets, which you should when they are in use, adds about ten more.
On its own that would be a curiosity. What makes it a genuine problem is that the GPS around the park is unreliable — the readings glitch, drift and disagree with each other lap to lap. So your watch will not correct you.
The arithmetic:
| Lap time | Feels like | Actually is |
|---|---|---|
| 3:30 | 3:30 /km | 3:38 /km |
| 4:00 | 4:00 /km | 4:09 /km |
| 4:30 | 4:30 /km | 4:40 /km |
| 5:00 | 5:00 /km | 5:11 /km |
Nine seconds a kilometre is not a rounding error. Across a twelve-lap session it is the difference between a threshold workout and something noticeably softer, and if you are setting your paces off what you ran at K-Park you will be setting them wrong.
Coach's note
I coach every athlete who trains there to run to the lap clock rather than to GPS pace, and to know their lap distance. Not because the difference is huge in any single rep, but because training paces are built on evidence, and evidence built on a 965-metre kilometre is quietly wrong in one direction for months. There is a longer piece on the park and its arithmetic on the blog, including what K-Park maths has occasionally done for people's Strava files.
Sessions that suit the loop
Four Karori Park sessions
- Threshold floats: 5 x 6 min at threshold, 90 sec float. Time-based, so the lap distance never comes into it.
- Lap reps: 8 or 10 laps at threshold with 60 sec float. Run to lap time; convert afterwards.
- Continuous tempo: 20 to 30 min at threshold. Soft ground makes this far more repeatable than the road version.
- Cutdown: 10 / 8 / 6 / 4 min, 90 sec float, each block a touch quicker.
Notice how many of these are time-based. That is deliberate — on a loop of this length, time-based sessions sidestep the arithmetic problem entirely.
What the park is less good for is anything needing precise short distances — 400s, 800s, benchmark reps you want to compare against a track file. Take those to Newtown Park.
Direction, etiquette and sharing the space
Karori Park is a shared park before it is a training venue. Footballers, cricketers, dog walkers, kids on bikes, people simply out for a walk.
Direction. The local convention is clockwise for faster work and anti-clockwise for warm-ups, cool-downs and recovery running. Following it keeps everyone predictable, which matters when a pack of eight is coming through at 3:20 pace.
Cricket nets. Go around them when they are in use. It costs about four seconds and roughly ten metres. Ruby Muir pulled me up on this once, entirely correctly, and I have not cut inside them since. A hard ball and a distracted runner is not a combination worth four seconds — and the wider point she was making is the right one: we get the run of that park because the people using it show some respect for everyone else in it.
Everyone else. Call out on the blind bits, give way, be the runner people are pleased to see. Distance runners have had free run of that park for a very long time precisely because the ones before us behaved well in it.
When not to use it
After a genuinely wet week. Check the surface before committing to fast running. Limestone holds up better than grass but it is not immune.
When you need exact distances. Newtown Park track for anything under 1000m where the split has to be right.
When you need race specificity. If your goal race is a flat road race, at least some of your specific work should be on the road — the Petone Esplanade or the Hutt River Trail. Soft ground is kinder, and that kindness is exactly what a road race will not give you.
Getting there
Karori Park sits at the western end of Karori, off Karori Road. There is parking on site, and it is a straightforward run out from the city if you want the approach as your warm-up — though be aware that is a genuine climb out and a fast run home, so plan the effort accordingly.
If you are new to Wellington and looking for where the running community actually is, turn up on a session evening and watch for a few minutes. You will find it.
