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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • 10K
  • 10 km
  • Rennes
  • Event dates –
  • Open entry

Marathon Vert Rennes 10K

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Modelled energy-cost change 0.5% versus flat · net elevation 1 m

View verified GPS mapOfficial event website & entry ↗
Plan my trainingPlan my paceData current as of

Decision summary

Marathon Vert Rennes 10K at a glance

Route ascent
56 m

Lower than 65% of comparable mapped races

Typical conditions
82/100

Historical race-date favourability, not a forecast

Evidence depth
14 verified facts

Stored GPS route

Quick answers

What runners ask first

Marathon Vert Rennes 10K route map

raceindex.org has a GPS course file for Marathon Vert Rennes 10K, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.

How hilly is the Marathon Vert Rennes 10K?

The Marathon Vert Rennes 10K route has 56 m of ascent, 55 m of descent and an estimated 0.5% grade-adjusted pace penalty versus a flat route.

Where does the Marathon Vert Rennes 10K route go?

The setting includes city and historic. flat, fast route.

What should runners know on race day for the Marathon Vert Rennes 10K?

Multiple entertainment and music stations along the marathon route.

Race character

Scenery

  • City
  • Historic
  • Riverside

Atmosphere

  • Big City
  • Festival
  • Community

Entry, logistics and records

Records and field

Field cap
5,500

Entry requirements

Entry status
Open entry: The held registration model is open entry and this edition is not marked sold out.

Race day logistics

On-course music
Multiple entertainment and music stations along the marathon route.

Course facts

Notable features
  • Eco-themed marathon: for every 2 km covered by participants, one tree is planted (partnered with the Yves Rocher Foundation)
  • over 1.7 million trees planted across its history
  • The 10 km Lamotte is run at night (en nocturne) on the Saturday evening
  • flat, fast route

How hilly is the Marathon Vert Rennes 10K?

8%81%11%
  • Steep descent 1%
  • Descent 8%
  • Flat 81%
  • Climb 11%
Total ascent
56 m
Net elevation
+1 m
GAP factor
0.5%
Longest climb
270 m at 2.9%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

What are typical race-day conditions?

  • 13°CTypical temperature
  • 19 kphTypical wind
  • 3 mmTypical rainfall
  • 82Favourability /100
Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

More race details

Is the Marathon Vert Rennes 10K flat?

Its normalised GAP factor is 0.5% slower than a flat course, with about 56 m of total ascent.

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (2)

Read the full methodology →