The Skippo Trail Race Half Marathon or The Skippo Trail Race 10K — which comes out ahead?

The Skippo Trail Race Half Marathon and The Skippo Trail Race 10K split the available advantages, so the better choice depends on which metric matters most to the runner.

Route comparison snapshot

The Skippo Trail Race Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
2.5% Favoured
flat grade share
53.7%
lower ascent
319 m
climbing density
15.1 m/km
net elevation
0 m
maximum grade
21.1%

The Skippo Trail Race 10K

Mapped route
Held
Elevation profile
Held
course flatness
3.0%
flat grade share
54.1% Favoured
lower ascent
155 m
climbing density
15.5 m/km
net elevation
0 m
maximum grade
19.9%
Head-to-head comparison
MetricThe Skippo Trail Race Half MarathonThe Skippo Trail Race 10K
Flat grade share53.7%54.1%
GAP factor (% slower than flat)2.5%3.0%
Uphill share22.2%22.9%
Steep-up share6.9%7.6%
Downhill share24.1%23.0%
Total ascent (m)319 m155 m
Climbing density (m/km)15.1 m/km15.5 m/km
Longest climb length (m)440 m450 m
Longest climb gain (m)38 m39 m
Longest climb average grade8.6%8.6%
Total descent (m)319 m155 m
Net elevation (m)0 m0 m
Max absolute grade21.1%19.9%
Start elevation (m)126 m126 m
Finish elevation (m)126 m126 m
Scenic score94/10094/100
Conditions80/10080/100

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.

Same-distance comparisons are most meaningful; cross-distance metrics are contextual.

Race facts that change the decision

Race facts comparison
FactThe Skippo Trail Race Half MarathonThe Skippo Trail Race 10K
Schedule

Exact race date not confirmed. Event weekend starts 2026-10-31 (legacy event-level date).

Exact race date not confirmed. Event weekend starts 2026-10-31 (legacy event-level date).

LocationBallwin, MissouriBallwin, Missouri
Actual distance21.1 km10 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeLoopLoop
SurfaceTrailTrail
Elevation characterGently RollingUnavailable
TerrainTrailTrail
SceneryParkland, Forest, Historic, Riverside, CoastalParkland, Forest, Historic, Riverside, Coastal
AtmosphereScenic Tour, CommunityScenic Tour, Community
TechnicalityModerateUnavailable
Total ascent319 m155 m
Climbing density15.1 m/km15.5 m/km
Total descent319 m155 m
Net elevation0 m0 m
Max absolute grade21.1%19.9%
Flat grade share53.7%54.1%
GAP factor2.5%3.0%
Cutoff5:00:00Unavailable
Entry modelOpenOpen

Schedule

The Skippo Trail Race Half Marathon

Exact race date not confirmed. Event weekend starts 2026-10-31 (legacy event-level date).

The Skippo Trail Race 10K

Exact race date not confirmed. Event weekend starts 2026-10-31 (legacy event-level date).

Location

The Skippo Trail Race Half Marathon
Ballwin, Missouri
The Skippo Trail Race 10K
Ballwin, Missouri

Actual distance

The Skippo Trail Race Half Marathon
21.1 km
The Skippo Trail Race 10K
10 km

raceindex.org mapped route held

The Skippo Trail Race Half Marathon
Held
The Skippo Trail Race 10K
Held

raceindex.org elevation profile held

The Skippo Trail Race Half Marathon
Held
The Skippo Trail Race 10K
Held

Course type

The Skippo Trail Race Half Marathon
Loop
The Skippo Trail Race 10K
Loop

Surface

The Skippo Trail Race Half Marathon
Trail
The Skippo Trail Race 10K
Trail

Elevation character

The Skippo Trail Race Half Marathon
Gently Rolling
The Skippo Trail Race 10K
Unavailable

Terrain

The Skippo Trail Race Half Marathon
Trail
The Skippo Trail Race 10K
Trail

Scenery

The Skippo Trail Race Half Marathon
Parkland, Forest, Historic, Riverside, Coastal
The Skippo Trail Race 10K
Parkland, Forest, Historic, Riverside, Coastal

Atmosphere

The Skippo Trail Race Half Marathon
Scenic Tour, Community
The Skippo Trail Race 10K
Scenic Tour, Community

Technicality

The Skippo Trail Race Half Marathon
Moderate
The Skippo Trail Race 10K
Unavailable

Total ascent

The Skippo Trail Race Half Marathon
319 m
The Skippo Trail Race 10K
155 m

Climbing density

The Skippo Trail Race Half Marathon
15.1 m/km
The Skippo Trail Race 10K
15.5 m/km

Total descent

The Skippo Trail Race Half Marathon
319 m
The Skippo Trail Race 10K
155 m

Net elevation

The Skippo Trail Race Half Marathon
0 m
The Skippo Trail Race 10K
0 m

Max absolute grade

The Skippo Trail Race Half Marathon
21.1%
The Skippo Trail Race 10K
19.9%

Flat grade share

The Skippo Trail Race Half Marathon
53.7%
The Skippo Trail Race 10K
54.1%

GAP factor

The Skippo Trail Race Half Marathon
2.5%
The Skippo Trail Race 10K
3.0%

Cutoff

The Skippo Trail Race Half Marathon
5:00:00
The Skippo Trail Race 10K
Unavailable

Entry model

The Skippo Trail Race Half Marathon
Open
The Skippo Trail Race 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, The Skippo Trail Race Half Marathon or The Skippo Trail Race 10K?

The Skippo Trail Race 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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How figures are calculated →