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

Montana Marathon (Billings) 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 -2.6% versus flat · net elevation -51 m

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

Decision summary

Montana Marathon (Billings) 10K at a glance

Route ascent
13 m

Lower than 95% of comparable mapped races

Typical conditions
71/100

Historical race-date favourability, not a forecast

Evidence depth
16 verified facts

Stored GPS route

Quick answers

What runners ask first

Montana Marathon (Billings) 10K route map

raceindex.org has a GPS course file for Montana Marathon (Billings) 10K, 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 Montana Marathon (Billings) 10K?

The Montana Marathon (Billings) 10K route has 13 m of ascent, 64 m of descent and an estimated -2.6% grade-adjusted pace penalty versus a flat route.

Where does the Montana Marathon (Billings) 10K route go?

The setting includes waterfront and parkland.

What should runners know on race day for the Montana Marathon (Billings) 10K?

Personal/on-course music is strongly discouraged.

Race character

Scenery

  • Waterfront
  • Parkland
  • Countryside
  • Mountain
  • Canyon
  • City

Entry, logistics and records

Records and field

Field size
No field cap or sold-out status listed on the official registration page.

Entry requirements

Entry status
Past event: The listed edition date has passed.

Race day logistics

On-course music
Personal/on-course music is strongly discouraged.

Course facts

Notable features
  • Mandatory shuttle system: marathon, half marathon and 10K participants are shuttled from the Senior High School parking lot to their respective start points

How hilly is the Montana Marathon (Billings) 10K?

8%88%
  • Descent 8%
  • Flat 88%
  • Climb 4%
Total ascent
13 m
Net elevation
−51 m
GAP factor
-2.6%
Longest climb
510 m at 2.3%
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?

  • 17°CTypical temperature
  • 19 kphTypical wind
  • 2 mmTypical rainfall
  • 71Favourability /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 Montana Marathon (Billings) 10K flat?

Its normalised GAP factor is -2.6% slower than a flat course, with about 13 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 →