raceindex.org
Explore
Explore RaceIndex

Find your race. Make your plan.

Find a race

Choose your distance and destination.

Compare courses

See what changes from race to race.

Enter and prepare

Turn your choice into a race plan.

Race weekend

Plan travel, support and the finish.

Your next goal

Find a race that fits your experience.

Find a race
Compare courses
Enter and prepare
Race weekend
Your next goal
My Season Save races, keep preparation tasks and plan what comes next.
About RaceIndexOur methodologyData coverageCyclingTriathlon

Wild Duluth Races

  • Duluth
  • Minnesota
  • Mixed
Data current as of

Official event website & entry ↗

Same event — which distance suits you?

DistanceAscentClimb densityDescentNet elevationMax absolute gradeGAP factor
Ultramarathon2,801 m28.0 m/km2,801 m-0 m35.8%8.0%
Half Marathon687 m32.6 m/km659 m29 m33.3%9.8%
10K304 m30.4 m/km355 m-51 m31.6%7.3%

Ultramarathon

Ascent
2,801 m
Climb density
28.0 m/km
Descent
2,801 m
Net elevation
-0 m
Max absolute grade
35.8%
GAP factor
8.0%

Half Marathon

Ascent
687 m
Climb density
32.6 m/km
Descent
659 m
Net elevation
29 m
Max absolute grade
33.3%
GAP factor
9.8%

10K

Ascent
304 m
Climb density
30.4 m/km
Descent
355 m
Net elevation
-51 m
Max absolute grade
31.6%
GAP factor
7.3%

GAP is modelled energy-cost change versus flat, not a time penalty. Unavailable cells mean no sourced value is available yet. Click a distance for its full page.

Compare distances at this event

Same-event questions

What distances does Wild Duluth Races offer?

Wild Duluth Races offers Ultramarathon, Half Marathon, 10K, all run from the same event.

Typical conditions on race weekend

  • 9°CTypical temperature
  • 23 kphTypical wind
  • 3 mmTypical rainfall
  • 80Favourability /100
Typical conditions for the race date and locality, within the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

Explore each distance

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 →

Source-backed sections

available route profile, race-day conditions, and source facts are shown on this event page. Sections appear only when their source-backed data is available.