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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Relay
  • 42.2 km
  • Rennes
  • Event dates –
  • Open entry

Marathon Vert Rennes Relay

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 0.3% versus flat · net elevation 1 m

View verified GPS mapOfficial event website & entry ↗
Data current as of

Decision summary

Marathon Vert Rennes Relay at a glance

Route ascent
192 m

Lower than 58% of comparable mapped races

Typical conditions
82/100

Historical race-date favourability, not a forecast

Evidence depth
13 verified facts

Stored GPS route

Quick answers

What runners ask first

Marathon Vert Rennes Relay route map

raceindex.org has a GPS course file for Marathon Vert Rennes Relay, 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 Relay?

The Marathon Vert Rennes Relay route has 192 m of ascent, 191 m of descent and an estimated 0.3% grade-adjusted pace penalty versus a flat route.

Where does the Marathon Vert Rennes Relay route go?

The setting includes city and historic.

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

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
900

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

How hilly is the Marathon Vert Rennes Relay?

86%8%
  • Steep descent 0%
  • Descent 6%
  • Flat 86%
  • Climb 8%
  • Steep climb 0%
Total ascent
192 m
Net elevation
+1 m
GAP factor
0.3%
Longest climb
260 m at 4.3%
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 Relay flat?

Its normalised GAP factor is 0.3% slower than a flat course, with about 192 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 →