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Trail Running · Wellington

🇳🇿WUU2K Ultramarathon 65km:
Course Analysis & Race Readiness

65km with 2458m of gain and 2583m of loss across 12 climbs and 10 descents. Downhill terrain dominates a third of the course, demanding legs that can descend hard while managing steady climbing over a long day.

CourseRecon scores your own training against the descending and durability demands that define WUU2K Ultramarathon 65km — the sample analysis below shows exactly how.

65.0 km
Distance
+2,420 m
Vertical Gain
−2,540 m
Total Descent
Jul 18, 2026
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The Course · GPS-Measured

What 64.2 km / 39.9 mi and 2,420 m / 7,930 ft of vertical gain actually look like

Measured from the GPS track: 64.2 km / 39.9 mi and 2,420 m / 7,930 ft of vertical gain. This is the terrain you're signing up for: read it before it reads you.

Course Profile

Terrain summary
Claimed vs GPS-Measured
Claimed · Organizer
65.0km
Distance
+2,600m
Gain
−0.8 km−180 m
GPS-Measured
64.2km
Distance
+2,420m
Gain
Climb & Gradient
+2,420 mTotal Gain
−2,540 mTotal Loss
Gradient Distribution
36%
Flat
≤3% grade
26%
Run-Climb
3–15% up
6%
Steep Climb
>15% up
32%
Descent
downhill
Steepest Sustained Sections
1
Descent
KM 50.3–53.6 · −370 m
-11.2%
2
Descent
KM 15.3–18.2 · −311 m
-10.5%
3
ClimbCRUX
KM 45.7–50.3 · +407 m
+8.8%
4
Descent
KM 36.7–41.6 · −411 m
-8.4%
What This Race Demands

Four things this course asks of your body

Every course weights the four pillars of mountain-ultra fitness differently. Descending carries 45% of the scoring weight on this course — the terrain makes that the deciding factor.

Weighting shows where readiness is won or lost at this distance — not whether you need each pillar. An aerobic base is a given for a race this long, so it carries little deciding weight even though it's essential — the gaps open on the climbs, descents and the back half.

AerobicSustained engine
Foundational
Sustained aerobic output over 65km, but pillar weighting places emphasis elsewhere.
ClimbingVertical power
21%
Twelve climbs including a 4.6km, 407m grind at 8.8% grade.
DescendingEccentric / braking
45%
Ten descents, net loss of 2583m, with 34% of the course pointing downhill.
DurabilityLate-race resilience
34%
Repeated steep climbing and descending compound leg damage across a long day.
The Profile in One Line

A descent-heavy 65km ultra where relentless up-and-down over twelve climbs punishes anyone who can't protect their legs late.

Aerobic FoundationalClimbing 21%Descending 45%Durability 34%

Here's how CourseRecon reads a course and an athlete

Sample Readiness Analysis

What a readiness result looks like for this course

This is a worked example for a representative strong mountain-ultra athlete — not your score. Connect your own training and the same analysis runs on you.

Sample
88
OUT OF 100
READY
For a representative strong mountain-ultra athlete

This is a sample — connect your Strava to see your own result.

Pillar Breakdown
Aerobic
69
At 65km this is a long day requiring steady aerobic pacing, though the terrain's climbing and descending demands carry more decisive weight than pure engine.
Climbing
100
With 2458m of gain over 12 climbs and nearly 30% of the course steeper than 10% up, sustained climbing strength is essential, capped by a 407m crux climb.
Descending
92
Descending is the defining demand: 2583m of loss across 10 descents, 34% of the course downhill, with long steep sections up to 4.9km and 411m.
Durability
75
The constant alternation of steep climbs and quad-loading descents over 65km erodes leg integrity, so late-race stability determines who holds pace to the finish.
km 46–50
The 407m crux climb
A 4.6km climb gaining 407m at 8.8% grade arrives past 45km, the biggest single ascent when legs are already deep into the day.
km 50–54
Steepest descent off the high point
Immediately after the crux climb, a 3.3km descent drops 370m at -11.2%, punishing quads that are already fatigued from the preceding ascent.
km 37–42
Longest quad-loading descent
A 4.9km descent loses 411m at -8.4%, the largest single drop and a decisive test of descending durability at distance.
That was a sample

See YOUR readiness for WUU2K Ultramarathon 65km

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