Bath & Bristol Railway Races Marathon or Reims Champagne Run Marathon — which comes out ahead?

Bath & Bristol Railway Races Marathon and Reims Champagne Run Marathon split the available advantages, so the better choice depends on which metric matters most to the runner.

Route comparison snapshot

Bath & Bristol Railway Races Marathon

Mapped route
Held
Elevation profile
Held
course flatness
0.1%
flat grade share
97.6% Favoured
lower ascent
98 m
climbing density
2.3 m/km
net elevation
1 m
maximum grade
6.7%

Reims Champagne Run Marathon

Mapped route
Held
Elevation profile
Held
course flatness
-0.4% Favoured
flat grade share
60.8%
lower ascent
389 m
climbing density
9.3 m/km
net elevation
-161 m
maximum grade
17.4%
Head-to-head comparison
MetricBath & Bristol Railway Races MarathonReims Champagne Run Marathon
Flat grade share97.6%60.8%
GAP factor (% slower than flat)0.1%-0.4%
Uphill share1.2%16.7%
Steep-up share0.1%3.5%
Downhill share1.1%22.5%
Total ascent (m)98 m389 m
Climbing density (m/km)2.3 m/km9.3 m/km
Longest climb length (m)1,050 m2,250 m
Longest climb gain (m)18 m78 m
Longest climb average grade1.7%3.5%
Total descent (m)97 m551 m
Net elevation (m)1 m-161 m
Max absolute grade6.7%17.4%
Start elevation (m)18 m249 m
Finish elevation (m)19 m88 m
Value79/100Unavailable
Scenic score83/10073/100
Conditions81/10086/100
Entry fee (GBP)£60Unavailable
Lowest modelled true cost (GBP)£190Unavailable

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
FactBath & Bristol Railway Races MarathonReims Champagne Run Marathon
Schedule

Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date).

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

LocationBath, South WestReims, France
Actual distance42.2 km42 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeOut And BackUnavailable
SurfaceEssentially 100% tarmac, aside from a small amount of grass at the start and finishUnavailable
Elevation characterUnavailableRolling
TerrainTrailTrail
SceneryRiverside, Countryside, Historic, City, ParklandCity, Vineyard, Historic, Forest, Countryside
AtmosphereScenic TourFestival, Destination, Scenic Tour
Total ascent98 m389 m
Climbing density2.3 m/km9.3 m/km
Total descent97 m551 m
Net elevation1 m-161 m
Max absolute grade6.7%17.4%
Flat grade share97.6%60.8%
GAP factor0.1%-0.4%
Cutoff7:30:00Unavailable
Entry modelOpenOpen
Entry fee£60Unavailable
Lowest modelled true cost£190Unavailable
Cost model originNational AverageUnavailable
Measured courseYesUnavailable

Schedule

Bath & Bristol Railway Races Marathon

Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date).

Reims Champagne Run Marathon

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

Location

Bath & Bristol Railway Races Marathon
Bath, South West
Reims Champagne Run Marathon
Reims, France

Actual distance

Bath & Bristol Railway Races Marathon
42.2 km
Reims Champagne Run Marathon
42 km

raceindex.org mapped route held

Bath & Bristol Railway Races Marathon
Held
Reims Champagne Run Marathon
Held

raceindex.org elevation profile held

Bath & Bristol Railway Races Marathon
Held
Reims Champagne Run Marathon
Held

Course type

Bath & Bristol Railway Races Marathon
Out And Back
Reims Champagne Run Marathon
Unavailable

Surface

Bath & Bristol Railway Races Marathon
Essentially 100% tarmac, aside from a small amount of grass at the start and finish
Reims Champagne Run Marathon
Unavailable

Elevation character

Bath & Bristol Railway Races Marathon
Unavailable
Reims Champagne Run Marathon
Rolling

Terrain

Bath & Bristol Railway Races Marathon
Trail
Reims Champagne Run Marathon
Trail

Scenery

Bath & Bristol Railway Races Marathon
Riverside, Countryside, Historic, City, Parkland
Reims Champagne Run Marathon
City, Vineyard, Historic, Forest, Countryside

Atmosphere

Bath & Bristol Railway Races Marathon
Scenic Tour
Reims Champagne Run Marathon
Festival, Destination, Scenic Tour

Total ascent

Bath & Bristol Railway Races Marathon
98 m
Reims Champagne Run Marathon
389 m

Climbing density

Bath & Bristol Railway Races Marathon
2.3 m/km
Reims Champagne Run Marathon
9.3 m/km

Total descent

Bath & Bristol Railway Races Marathon
97 m
Reims Champagne Run Marathon
551 m

Net elevation

Bath & Bristol Railway Races Marathon
1 m
Reims Champagne Run Marathon
-161 m

Max absolute grade

Bath & Bristol Railway Races Marathon
6.7%
Reims Champagne Run Marathon
17.4%

Flat grade share

Bath & Bristol Railway Races Marathon
97.6%
Reims Champagne Run Marathon
60.8%

GAP factor

Bath & Bristol Railway Races Marathon
0.1%
Reims Champagne Run Marathon
-0.4%

Cutoff

Bath & Bristol Railway Races Marathon
7:30:00
Reims Champagne Run Marathon
Unavailable

Entry model

Bath & Bristol Railway Races Marathon
Open
Reims Champagne Run Marathon
Open

Entry fee

Bath & Bristol Railway Races Marathon
£60
Reims Champagne Run Marathon
Unavailable

Lowest modelled true cost

Bath & Bristol Railway Races Marathon
£190
Reims Champagne Run Marathon
Unavailable

Cost model origin

Bath & Bristol Railway Races Marathon
National Average
Reims Champagne Run Marathon
Unavailable

Measured course

Bath & Bristol Railway Races Marathon
Yes
Reims Champagne Run Marathon
Unavailable

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, Bath & Bristol Railway Races Marathon or Reims Champagne Run Marathon?

Reims Champagne Run 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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