Montana Marathon (Billings) or Estes Park Marathon and Half Marathon — which comes out ahead?

Estes Park Marathon and Half Marathon has the stronger available profile on course flatness, scenery score and conditions.

Route comparison snapshot

Montana Marathon (Billings)

Mapped route
Held
Elevation profile
Held
course flatness
-2.5%
flat grade share
74.5% Favoured
lower ascent
193 m
climbing density
4.6 m/km
net elevation
-253 m
maximum grade
15.6%

Estes Park Marathon and Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
-4.6% Favoured
flat grade share
56.3%
lower ascent
256 m
climbing density
6.1 m/km
net elevation
-479 m
maximum grade
15.1%
Head-to-head comparison
MetricMontana Marathon (Billings)Estes Park Marathon and Half Marathon
Flat grade share74.5%56.3%
GAP factor (% slower than flat)-2.5%-4.6%
Uphill share7.2%11.2%
Steep-up share0.5%0.4%
Downhill share18.3%32.5%
Total ascent (m)193 m256 m
Climbing density (m/km)4.6 m/km6.1 m/km
Longest climb length (m)3,750 m4,020 m
Longest climb gain (m)39 m96 m
Longest climb average grade1.0%2.4%
Total descent (m)446 m735 m
Net elevation (m)-253 m-479 m
Max absolute grade15.6%15.1%
Start elevation (m)1,211 m2,769 m
Finish elevation (m)958 m2,290 m
Scenic score97/100100/100
Conditions71/10077/100

Only metrics available for at least one side are shown. A ✓ marks the better value for each metric (higher-is-better aware). Scores are out of 100 when available. Ascent, climbing density, max absolute grade and median finish describe course or field context and are not marked as better or worse.

Race facts that change the decision

Race facts comparison
FactMontana Marathon (Billings)Estes Park Marathon and Half Marathon
Schedule

Exact race date not confirmed. Event weekend starts 2026-09-20 (legacy event-level date).

Exact race date not confirmed. Event weekend starts 2026-06-20 (legacy event-level date).

LocationBillings, MontanaEstes Park, Colorado
Actual distance42.2 km42.2 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typePoint To PointPoint To Point
SurfaceRoads open to traffic.Mixed: road shoulders, dirt trail and paved multi Use paths
Elevation characterNet DownhillNet Downhill
TerrainUnavailableMixed, Trail, Road
SceneryWaterfront, Parkland, Countryside, Mountain, Canyon, CityMountain, Forest, Lakeside, Parkland, Waterfront
AtmosphereUnavailableScenic Tour, Destination
TechnicalityNon TechnicalModerate
Total ascent193 m256 m
Climbing density4.6 m/km6.1 m/km
Total descent446 m735 m
Net elevation-253 m-479 m
Max absolute grade15.6%15.1%
Flat grade share74.5%56.3%
GAP factor-2.5%-4.6%
Cutoff6:30:00Unavailable
Entry modelOpenOpen
Qualifying statusBoston_equivalentUnavailable

Schedule

Montana Marathon (Billings)

Exact race date not confirmed. Event weekend starts 2026-09-20 (legacy event-level date).

Estes Park Marathon and Half Marathon

Exact race date not confirmed. Event weekend starts 2026-06-20 (legacy event-level date).

Location

Montana Marathon (Billings)
Billings, Montana
Estes Park Marathon and Half Marathon
Estes Park, Colorado

Actual distance

Montana Marathon (Billings)
42.2 km
Estes Park Marathon and Half Marathon
42.2 km

raceindex.org mapped route held

Montana Marathon (Billings)
Held
Estes Park Marathon and Half Marathon
Held

raceindex.org elevation profile held

Montana Marathon (Billings)
Held
Estes Park Marathon and Half Marathon
Held

Course type

Montana Marathon (Billings)
Point To Point
Estes Park Marathon and Half Marathon
Point To Point

Surface

Montana Marathon (Billings)
Roads open to traffic.
Estes Park Marathon and Half Marathon
Mixed: road shoulders, dirt trail and paved multi Use paths

Elevation character

Montana Marathon (Billings)
Net Downhill
Estes Park Marathon and Half Marathon
Net Downhill

Terrain

Montana Marathon (Billings)
Unavailable
Estes Park Marathon and Half Marathon
Mixed, Trail, Road

Scenery

Montana Marathon (Billings)
Waterfront, Parkland, Countryside, Mountain, Canyon, City
Estes Park Marathon and Half Marathon
Mountain, Forest, Lakeside, Parkland, Waterfront

Atmosphere

Montana Marathon (Billings)
Unavailable
Estes Park Marathon and Half Marathon
Scenic Tour, Destination

Technicality

Montana Marathon (Billings)
Non Technical
Estes Park Marathon and Half Marathon
Moderate

Total ascent

Montana Marathon (Billings)
193 m
Estes Park Marathon and Half Marathon
256 m

Climbing density

Montana Marathon (Billings)
4.6 m/km
Estes Park Marathon and Half Marathon
6.1 m/km

Total descent

Montana Marathon (Billings)
446 m
Estes Park Marathon and Half Marathon
735 m

Net elevation

Montana Marathon (Billings)
-253 m
Estes Park Marathon and Half Marathon
-479 m

Max absolute grade

Montana Marathon (Billings)
15.6%
Estes Park Marathon and Half Marathon
15.1%

Flat grade share

Montana Marathon (Billings)
74.5%
Estes Park Marathon and Half Marathon
56.3%

GAP factor

Montana Marathon (Billings)
-2.5%
Estes Park Marathon and Half Marathon
-4.6%

Cutoff

Montana Marathon (Billings)
6:30:00
Estes Park Marathon and Half Marathon
Unavailable

Entry model

Montana Marathon (Billings)
Open
Estes Park Marathon and Half Marathon
Open

Qualifying status

Montana Marathon (Billings)
Boston_equivalent
Estes Park Marathon and Half Marathon
Unavailable

Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.

Common questions

Which is flatter, Montana Marathon (Billings) or Estes Park Marathon and Half Marathon?

Estes Park Marathon and Half Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.

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