Sioux Falls Skedaddle Half Marathon or Sioux Falls Marathon Half Marathon — which comes out ahead?

Sioux Falls Skedaddle Half Marathon has the stronger available profile on flat grade share, course flatness and conditions.

Route comparison snapshot

Sioux Falls Skedaddle Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
0.3% Favoured
flat grade share
77.9% Favoured
lower ascent
133 m
climbing density
6.3 m/km
net elevation
-7 m
maximum grade
13.3%

Sioux Falls Marathon Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
0.5%
flat grade share
72.6%
lower ascent
149 m
climbing density
7.1 m/km
net elevation
-2 m
maximum grade
8.0%
Head-to-head comparison
MetricSioux Falls Skedaddle Half MarathonSioux Falls Marathon Half Marathon
Flat grade share77.9%72.6%
GAP factor (% slower than flat)0.3%0.5%
Uphill share10.9%13.1%
Steep-up share1.1%1.4%
Downhill share11.2%14.3%
Total ascent (m)133 m149 m
Climbing density (m/km)6.3 m/km7.1 m/km
Longest climb length (m)220 m900 m
Longest climb gain (m)15 m19 m
Longest climb average grade6.6%2.1%
Total descent (m)140 m151 m
Net elevation (m)-7 m-2 m
Max absolute grade13.3%8.0%
Start elevation (m)435 m435 m
Finish elevation (m)429 m434 m
Scenic score43/10080/100
Conditions64/10051/100

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
FactSioux Falls Skedaddle Half MarathonSioux Falls Marathon Half Marathon
Schedule

Exact race date not confirmed. Event weekend starts 2026-05-17 (legacy event-level date).

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

LocationSioux Falls, South DakotaSioux Falls, South Dakota
Actual distance21.1 km21.1 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typePoint To PointUnavailable
SurfaceStarts on city streets then follows the paved Big Sioux River bike path/trail for most of the route.Unavailable
Elevation characterRollingUnavailable
TerrainTrail, RoadTrail
SceneryRiverside, Parkland, CityRiverside, Waterfront, City, Parkland, Historic, Lakeside
AtmosphereCommunity, Scenic TourCommunity, Scenic Tour
TechnicalityNon TechnicalUnavailable
Total ascent133 m149 m
Climbing density6.3 m/km7.1 m/km
Total descent140 m151 m
Net elevation-7 m-2 m
Max absolute grade13.3%8.0%
Flat grade share77.9%72.6%
GAP factor0.3%0.5%
CutoffUnavailable3:15:00
Entry modelOpenOpen

Schedule

Sioux Falls Skedaddle Half Marathon

Exact race date not confirmed. Event weekend starts 2026-05-17 (legacy event-level date).

Sioux Falls Marathon Half Marathon

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

Location

Sioux Falls Skedaddle Half Marathon
Sioux Falls, South Dakota
Sioux Falls Marathon Half Marathon
Sioux Falls, South Dakota

Actual distance

Sioux Falls Skedaddle Half Marathon
21.1 km
Sioux Falls Marathon Half Marathon
21.1 km

raceindex.org mapped route held

Sioux Falls Skedaddle Half Marathon
Held
Sioux Falls Marathon Half Marathon
Held

raceindex.org elevation profile held

Sioux Falls Skedaddle Half Marathon
Held
Sioux Falls Marathon Half Marathon
Held

Course type

Sioux Falls Skedaddle Half Marathon
Point To Point
Sioux Falls Marathon Half Marathon
Unavailable

Surface

Sioux Falls Skedaddle Half Marathon
Starts on city streets then follows the paved Big Sioux River bike path/trail for most of the route.
Sioux Falls Marathon Half Marathon
Unavailable

Elevation character

Sioux Falls Skedaddle Half Marathon
Rolling
Sioux Falls Marathon Half Marathon
Unavailable

Terrain

Sioux Falls Skedaddle Half Marathon
Trail, Road
Sioux Falls Marathon Half Marathon
Trail

Scenery

Sioux Falls Skedaddle Half Marathon
Riverside, Parkland, City
Sioux Falls Marathon Half Marathon
Riverside, Waterfront, City, Parkland, Historic, Lakeside

Atmosphere

Sioux Falls Skedaddle Half Marathon
Community, Scenic Tour
Sioux Falls Marathon Half Marathon
Community, Scenic Tour

Technicality

Sioux Falls Skedaddle Half Marathon
Non Technical
Sioux Falls Marathon Half Marathon
Unavailable

Total ascent

Sioux Falls Skedaddle Half Marathon
133 m
Sioux Falls Marathon Half Marathon
149 m

Climbing density

Sioux Falls Skedaddle Half Marathon
6.3 m/km
Sioux Falls Marathon Half Marathon
7.1 m/km

Total descent

Sioux Falls Skedaddle Half Marathon
140 m
Sioux Falls Marathon Half Marathon
151 m

Net elevation

Sioux Falls Skedaddle Half Marathon
-7 m
Sioux Falls Marathon Half Marathon
-2 m

Max absolute grade

Sioux Falls Skedaddle Half Marathon
13.3%
Sioux Falls Marathon Half Marathon
8.0%

Flat grade share

Sioux Falls Skedaddle Half Marathon
77.9%
Sioux Falls Marathon Half Marathon
72.6%

GAP factor

Sioux Falls Skedaddle Half Marathon
0.3%
Sioux Falls Marathon Half Marathon
0.5%

Cutoff

Sioux Falls Skedaddle Half Marathon
Unavailable
Sioux Falls Marathon Half Marathon
3:15:00

Entry model

Sioux Falls Skedaddle Half Marathon
Open
Sioux Falls Marathon Half Marathon
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, Sioux Falls Skedaddle Half Marathon or Sioux Falls Marathon Half Marathon?

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

Read the full pages

How figures are calculated →