Montana Marathon (Billings) Half Marathon or Bozeman Half Marathon & 10K — which comes out ahead?

Bozeman Half Marathon & 10K has the stronger available profile on flat grade share, scenery score and conditions.

Route comparison snapshot

Montana Marathon (Billings) Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
-4.2% Favoured
flat grade share
68.5%
lower ascent
73 m
climbing density
3.5 m/km
net elevation
-193 m
maximum grade
11.6%

Bozeman Half Marathon & 10K

Mapped route
Held
Elevation profile
Held
course flatness
-4.2%
flat grade share
77.1% Favoured
lower ascent
67 m
climbing density
3.2 m/km
net elevation
-182 m
maximum grade
6.7%
Head-to-head comparison
MetricMontana Marathon (Billings) Half MarathonBozeman Half Marathon & 10K
Flat grade share68.5%77.1%
GAP factor (% slower than flat)-4.2%-4.2%
Uphill share7.3%5.6%
Steep-up share0.0%0.0%
Downhill share24.2%17.3%
Total ascent (m)73 m67 m
Climbing density (m/km)3.5 m/km3.2 m/km
Longest climb length (m)440 m720 m
Longest climb gain (m)21 m15 m
Longest climb average grade4.7%2.0%
Total descent (m)266 m249 m
Net elevation (m)-193 m-182 m
Max absolute grade11.6%6.7%
Start elevation (m)1,151 m1,655 m
Finish elevation (m)958 m1,473 m
Scenic score88/100100/100
Conditions71/10086/100

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) Half MarathonBozeman Half Marathon & 10K
Schedule

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

Exact race date not confirmed. Event weekend starts 2026-09-13 (legacy event-level date).

LocationBillings, MontanaBozeman, Montana
Actual distance21.1 km21.1 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeUnavailablePoint To Point
Elevation characterUnavailableNet Downhill
TerrainUnavailableRoad, Trail
SceneryWaterfront, Parkland, Countryside, Mountain, Canyon, CityMountain, City, Historic, Waterfront, Countryside, Forest, Riverside
AtmosphereUnavailableScenic Tour, Destination, Community
TechnicalityUnavailableModerate
Total ascent73 m67 m
Climbing density3.5 m/km3.2 m/km
Total descent266 m249 m
Net elevation-193 m-182 m
Max absolute grade11.6%6.7%
Flat grade share68.5%77.1%
GAP factor-4.2%-4.2%
CutoffUnavailable4:00:00
Entry modelOpenOpen

Schedule

Montana Marathon (Billings) Half Marathon

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

Bozeman Half Marathon & 10K

Exact race date not confirmed. Event weekend starts 2026-09-13 (legacy event-level date).

Location

Montana Marathon (Billings) Half Marathon
Billings, Montana
Bozeman Half Marathon & 10K
Bozeman, Montana

Actual distance

Montana Marathon (Billings) Half Marathon
21.1 km
Bozeman Half Marathon & 10K
21.1 km

raceindex.org mapped route held

Montana Marathon (Billings) Half Marathon
Held
Bozeman Half Marathon & 10K
Held

raceindex.org elevation profile held

Montana Marathon (Billings) Half Marathon
Held
Bozeman Half Marathon & 10K
Held

Course type

Montana Marathon (Billings) Half Marathon
Unavailable
Bozeman Half Marathon & 10K
Point To Point

Elevation character

Montana Marathon (Billings) Half Marathon
Unavailable
Bozeman Half Marathon & 10K
Net Downhill

Terrain

Montana Marathon (Billings) Half Marathon
Unavailable
Bozeman Half Marathon & 10K
Road, Trail

Scenery

Montana Marathon (Billings) Half Marathon
Waterfront, Parkland, Countryside, Mountain, Canyon, City
Bozeman Half Marathon & 10K
Mountain, City, Historic, Waterfront, Countryside, Forest, Riverside

Atmosphere

Montana Marathon (Billings) Half Marathon
Unavailable
Bozeman Half Marathon & 10K
Scenic Tour, Destination, Community

Technicality

Montana Marathon (Billings) Half Marathon
Unavailable
Bozeman Half Marathon & 10K
Moderate

Total ascent

Montana Marathon (Billings) Half Marathon
73 m
Bozeman Half Marathon & 10K
67 m

Climbing density

Montana Marathon (Billings) Half Marathon
3.5 m/km
Bozeman Half Marathon & 10K
3.2 m/km

Total descent

Montana Marathon (Billings) Half Marathon
266 m
Bozeman Half Marathon & 10K
249 m

Net elevation

Montana Marathon (Billings) Half Marathon
-193 m
Bozeman Half Marathon & 10K
-182 m

Max absolute grade

Montana Marathon (Billings) Half Marathon
11.6%
Bozeman Half Marathon & 10K
6.7%

Flat grade share

Montana Marathon (Billings) Half Marathon
68.5%
Bozeman Half Marathon & 10K
77.1%

GAP factor

Montana Marathon (Billings) Half Marathon
-4.2%
Bozeman Half Marathon & 10K
-4.2%

Cutoff

Montana Marathon (Billings) Half Marathon
Unavailable
Bozeman Half Marathon & 10K
4:00:00

Entry model

Montana Marathon (Billings) Half Marathon
Open
Bozeman Half Marathon & 10K
Open

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) Half Marathon or Bozeman Half Marathon & 10K?

Montana Marathon (Billings) 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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