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About RaceIndexOur methodologyData coverageCyclingTriathlon

monthly distance guide

May Half Marathons

May half marathon guide with source-backed race dates, mapped-route counts, elevation profiles, cost signals and route evidence where available.

May Half Marathons coverage

86Dated race pages40Mapped routes28Elevation profiles47%Map coverage

May Half Marathons by UK region

May half marathon race, route-map and elevation-profile coverage by UK region
RegionRace pagesMapped routesElevation profiles
South East333
South West300
West Midlands300

May Half Marathons by location

May half marathon race, route-map and elevation-profile coverage by source-backed event region
LocationRace pagesMapped routesElevation profiles
California422
Massachusetts322
Wisconsin322
Washington321
Denmark310
Kansas300
West Virginia300

Dated race pages

All May races →

May Half Marathons questions

What may half marathons are included?

This guide includes 86 half marathon race pages whose latest source-backed race date falls in May. Smaller date-distance groups are not published as standalone pages until they clear the coverage threshold.

Which may half marathons have route maps?

40 may half marathons currently have stored route geometry. Route traces appear only when stored geometry exists.

How are featured may half marathons ordered?

Featured races are ordered by race date first, then by available evidence such as route geometry, elevation profiles, route metrics, cost data and race-character tags.