Trail Running · Kapiti coast

🇳🇿Waitarere Half Marathon 21 km:
Course Analysis & Race Readiness

A flat and fast 21 km with just 60 m of gain and 63 m of loss. Nearly 76% runs flat, so this is a sustained-pace test where holding rhythm matters more than any single hill.

CourseRecon scores your own training against the durability and descending demands that define Waitarere Half Marathon 21 km — the sample analysis below shows exactly how.

21.0 km

Distance

+50 m

Vertical Gain

−60 m

Total Descent

Apr 13, 2025

Last Edition · Past

Check YOUR readiness

Connect Strava · No card · 2 min

The Course · GPS-Measured

What 21.9 km / 13.6 mi and 50 m / 170 ft of vertical gain actually look like

Measured from the GPS track: 21.9 km / 13.6 mi and 50 m / 170 ft of vertical gain. This is the terrain you're signing up for: read it before it reads you.

Course Profile

Segments

Daylight

Terrain summary

Claimed vs GPS-Measured

Claimed · Organizer

21.0km

Distance

+130m

Gain

+0.9 km−80 m

GPS-Measured

21.9km

Distance

+50m

Gain

Climb & Gradient

+50 mTotal Gain

−60 mTotal Loss

Gradient Distribution

98%

Flat

≤3% grade

Run-Climb

3–15% up

Steep Climb

>15% up

Descent

downhill

Steepest Sustained Sections

No sustained sections

Finish & Cutoff Times

What it takes to finish

Reference finish times from past results — use them to set a realistic goal pace.

1h 18m

Winning time

1h 33m

Top 5

1h 38m

Top 10

2h 14m

Median finisher

3h 20m

Back of pack

What This Race Demands

Four things this course asks of your body

Every course weights the four pillars of mountain-ultra fitness differently. Durability carries 62% 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 hard effort over 21 km with almost no recovery from terrain relief.

ClimbingVertical power

18%

Minimal — only about 1% steep and 9% runnable uphill across the course.

DescendingEccentric / braking

20%

Roughly 14% downhill, mostly gentle, with a brief very-steep segment to manage.

DurabilityLate-race resilience

62%

Continuous flat pounding over 21 km with little gradient variation to spare the legs.

The Profile in One Line

Flat 21 km, 60 m gain and 63 m loss, three-quarters flat — a pace-holding effort with negligible vertical.

Aerobic FoundationalClimbing 18%Descending 20%Durability 62%

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

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

With 76% flat and no meaningful climbs, this course demands steady aerobic output at a consistent pace rather than tolerance of surging efforts.

Climbing

100

Climbing is nearly absent: only 0.5% steep and roughly 9% gentle-to-moderate uphill, so no sustained vertical push is required.

Descending

Descents total about 14%, mostly gentle to moderate, with a short 1.9% very-steep stretch that rewards controlled, efficient downhill mechanics.

Durability

The flat, repetitive nature over 21 km loads the same muscles continuously, so leg resilience against monotonous pounding is the dominant demand.

Flat majority

Holding pace across the flats

With 76% of the 21 km flat, the decisive challenge is sustaining a fast, even effort without terrain-driven recovery. Rhythm and pacing discipline separate contenders here.

Short descent

The brief very-steep drop

Amid mostly gentle descending, a 1.9% very-steep segment demands quick, controlled downhill technique before returning to flat running.

Repetitive load

Cumulative flat pounding

The lack of gradient variation means legs absorb continuous repetitive impact over the full 21 km. Durability against monotony, not vertical, is what fatigues here.

That was a sample