NN Night Run Ostrava Relay or Vltava Run Relay — which comes out ahead?

NN Night Run Ostrava Relay has the stronger available profile on flat grade share and course flatness.

Route comparison snapshot

NN Night Run Ostrava Relay

Mapped route
Held
Elevation profile
Held
course flatness
0.1% Favoured
flat grade share
83.7% Favoured
lower ascent
51 m
climbing density
5.1 m/km
net elevation
-3 m
maximum grade
4.9%

Vltava Run Relay

Mapped route
Held
Elevation profile
Held
course flatness
1.3%
flat grade share
48.8%
lower ascent
5,230 m
climbing density
13.9 m/km
net elevation
-906 m
maximum grade
25.9%
Head-to-head comparison
MetricNN Night Run Ostrava RelayVltava Run Relay
Flat grade share83.7%48.8%
GAP factor (% slower than flat)0.1%1.3%
Uphill share6.0%24.1%
Steep-up share0.0%7.0%
Downhill share10.3%27.0%
Total ascent (m)51 m5,230 m
Climbing density (m/km)5.1 m/km13.9 m/km
Longest climb length (m)450 m5,360 m
Longest climb gain (m)5 m241 m
Longest climb average grade1.0%4.5%
Total descent (m)54 m6,136 m
Net elevation (m)-3 m-906 m
Max absolute grade4.9%25.9%
Start elevation (m)216 m1,098 m
Finish elevation (m)213 m192 m

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
FactNN Night Run Ostrava RelayVltava Run Relay
Schedule

Exact race date not confirmed.

Exact race date not confirmed. Event weekend starts 2026-05-09 (legacy event-level date).

LocationOstrava, CzechiaZadov-Churáňov (Šumava) to Prague (Hamr Braník), Czechia
Actual distance10 km375 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeUnavailablePoint To Point
SurfaceUnavailableHiking/tourist trails and 2nd and 3rd Class country roads (mixed surfaces)
Elevation characterUnavailableHilly
TerrainUnavailableMixed, Trail
SceneryCity, Riverside, Parkland, HistoricRiverside, Countryside, Coastal, Mountain, Forest, Lakeside, Historic, City
AtmosphereNighttime, Big City, CommunityCommunity, Destination, Nighttime
TechnicalityUnavailableTechnical
Total ascent51 m5,230 m
Climbing density5.1 m/km13.9 m/km
Total descent54 m6,136 m
Net elevation-3 m-906 m
Max absolute grade4.9%25.9%
Flat grade share83.7%48.8%
GAP factor0.1%1.3%
Field capUnavailable310
Entry modelOpenOpen

Schedule

NN Night Run Ostrava Relay

Exact race date not confirmed.

Vltava Run Relay

Exact race date not confirmed. Event weekend starts 2026-05-09 (legacy event-level date).

Location

NN Night Run Ostrava Relay
Ostrava, Czechia
Vltava Run Relay
Zadov-Churáňov (Šumava) to Prague (Hamr Braník), Czechia

Actual distance

NN Night Run Ostrava Relay
10 km
Vltava Run Relay
375 km

raceindex.org mapped route held

NN Night Run Ostrava Relay
Held
Vltava Run Relay
Held

raceindex.org elevation profile held

NN Night Run Ostrava Relay
Held
Vltava Run Relay
Held

Course type

NN Night Run Ostrava Relay
Unavailable
Vltava Run Relay
Point To Point

Surface

NN Night Run Ostrava Relay
Unavailable
Vltava Run Relay
Hiking/tourist trails and 2nd and 3rd Class country roads (mixed surfaces)

Elevation character

NN Night Run Ostrava Relay
Unavailable
Vltava Run Relay
Hilly

Terrain

NN Night Run Ostrava Relay
Unavailable
Vltava Run Relay
Mixed, Trail

Scenery

NN Night Run Ostrava Relay
City, Riverside, Parkland, Historic
Vltava Run Relay
Riverside, Countryside, Coastal, Mountain, Forest, Lakeside, Historic, City

Atmosphere

NN Night Run Ostrava Relay
Nighttime, Big City, Community
Vltava Run Relay
Community, Destination, Nighttime

Technicality

NN Night Run Ostrava Relay
Unavailable
Vltava Run Relay
Technical

Total ascent

NN Night Run Ostrava Relay
51 m
Vltava Run Relay
5,230 m

Climbing density

NN Night Run Ostrava Relay
5.1 m/km
Vltava Run Relay
13.9 m/km

Total descent

NN Night Run Ostrava Relay
54 m
Vltava Run Relay
6,136 m

Net elevation

NN Night Run Ostrava Relay
-3 m
Vltava Run Relay
-906 m

Max absolute grade

NN Night Run Ostrava Relay
4.9%
Vltava Run Relay
25.9%

Flat grade share

NN Night Run Ostrava Relay
83.7%
Vltava Run Relay
48.8%

GAP factor

NN Night Run Ostrava Relay
0.1%
Vltava Run Relay
1.3%

Field cap

NN Night Run Ostrava Relay
Unavailable
Vltava Run Relay
310

Entry model

NN Night Run Ostrava Relay
Open
Vltava Run Relay
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, NN Night Run Ostrava Relay or Vltava Run Relay?

NN Night Run Ostrava Relay has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.

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