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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • 10K
  • 10 km
  • Manhattan
  • Event weekend starts
  • Past event

Konza 25K & 10K (Manhattan) 10K

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Modelled energy-cost change 2.4% versus flat · net elevation 4 m

View verified GPS mapOfficial event website ↗
Plan my trainingPlan my paceData current as of

Decision summary

Konza 25K & 10K (Manhattan) 10K at a glance

Route ascent
148 m

Lower than 22% of comparable mapped races

Typical conditions
52/100

Historical race-date favourability, not a forecast

Evidence depth
39 verified facts

Stored GPS route

Quick answers

What runners ask first

Konza 25K & 10K (Manhattan) route map

raceindex.org has a GPS course file for Konza 25K & 10K (Manhattan), so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.

How hilly is the Konza 25K & 10K (Manhattan)?

The Konza 25K & 10K (Manhattan) route has 148 m of ascent, 145 m of descent and an estimated 2.4% grade-adjusted pace penalty versus a flat route.

Where does the Konza 25K & 10K (Manhattan) route go?

The Konza 25K & 10K (Manhattan) route starts at 100 Konza Prairie Ln. Manhattan, KS (Konza Prairie Biological Station trailhead) and finishes at Konza Prairie trailhead, 100 Konza Prairie Ln. Manhattan, KS. Underfoot, expect trail, run on the Konza Prairie Nature Trail / Kings Creek Loop Trail through the tallgrass prairie. It passes Konza Prairie Biological Station, Konza Prairie Nature Trail, Kings Creek Loop Trail, Kings Creek and Flint Hills tallgrass prairie. Run on the Konza Prairie Nature Trail within a working biological research station.

What should runners know on race day for the Konza 25K & 10K (Manhattan)?

Aid stations approximately every 3 miles offering water, Gatorade and gels; cupless course, so runners must carry their own bottle, belt or pack. 2.

Race character

Scenery

  • Countryside
  • Coastal
  • Waterfront
  • Riverside
  • Forest

Atmosphere

  • Scenic Tour
  • Community
  • Charity

Terrain

  • Trail
  • Gravel
Elevation character
Hilly
Technicality
Moderate

Entry, logistics and records

Records and field

Field size
Race is capped at 350 participants across both distances.

Entry requirements

Entry status
Past event: The listed edition date has passed.
Cut-off
4-hour cutoff for the 25K; runners not reaching roughly the 10-mile point in time are diverted onto a shorter path of a little under 12 miles.
Qualification status
Open trail race with no qualifying standard; entry by open registration with a 350 Participant cap.

Race day logistics

Aid stations
Aid stations approximately every 3 miles offering water, Gatorade and gels; cupless course, so runners must carry their own bottle, belt or pack.
Expo / packet pickup
Packet pickup Friday Sept 11 10:00am-7:00pm and Saturday Sept 12 10:00am-6:00pm at Manhattan Running Co., plus race-morning pickup at the start line.
Medal
Finisher's medals are given to every finisher in each distance.
Finisher tee
Entry includes a short-sleeve shirt for both distances; 25K participants also receive a shoe bag.

Access and course status

Start
100 Konza Prairie Ln., Manhattan, KS (Konza Prairie Biological Station trailhead).
Finish
Konza Prairie trailhead, 100 Konza Prairie Ln., Manhattan, KS.

Course facts

Course type
Loop
Surface
Trail, run on the Konza Prairie Nature Trail / Kings Creek Loop Trail through the tallgrass prairie.
Landmarks
Konza Prairie Biological Station, Konza Prairie Nature Trail, Kings Creek Loop Trail, Kings Creek, Flint Hills tallgrass prairie
Notable features
  • Run on the Konza Prairie Nature Trail within a working biological research station
  • proceeds support the Konza Environmental Education Program (KEEP), connecting K-12 children to the tallgrass prairie
  • Trail race on the Kings Creek Loop of the Konza Prairie Nature Trail through Flint Hills tallgrass prairie, with the 25K covering multiple loops of the nature trail and aid stations approximately every 3 miles

How hilly is the Konza 25K & 10K (Manhattan) 10K?

24%45%17%9%
  • Steep descent 5%
  • Descent 24%
  • Flat 45%
  • Climb 17%
  • Steep climb 9%
Total ascent
148 m
Net elevation
+4 m
GAP factor
2.4%
Longest climb
850 m at 5.6%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

What are typical race-day conditions?

  • 21°CTypical temperature
  • 17 kphTypical wind
  • 3 mmTypical rainfall
  • 52Favourability /100
Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

More race details

Is the Konza 25K & 10K (Manhattan) flat?

Its normalised GAP factor is 2.4% slower than a flat course, with about 148 m of total ascent.

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (3)

Read the full methodology →