Blog
Read your course, prepare your race
Practical guides to find your GPX file, understand a race's elevation profile and reach the start line knowing where the race will be won or lost.
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Transgrancanaria Classic: elevation profile, gain and key sections
126 km from Las Palmas to Maspalomas: the climbs that matter, the section where the cut-offs are decided and the long final descent.
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10K Montmartre: elevation profile, gain and race strategy
Flat for 4.6 km, then up the Butte to the Sacré-Cœur: the real elevation gain, what the climb costs you and how to run the descents.
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SaintéLyon: elevation profile, gain and key sections
The 2026 course from Saint-Étienne to Lyon, through the night: 2,430 m of measured gain, the climbs that matter, the six sections and cut-off times.
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LyonSaintéLyon: elevation profile, gain and round-trip strategy
160 km and 5,160 m of gain: the outbound climbs, your Saint-Étienne break depending on your time, then the SaintéLyon by night.
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Beaujolais Marathon: elevation profile, gain and race strategy
From Fleurie to Villefranche through the vineyards: the real elevation gain, the climbs at Brouilly and Talancé, aid stations and cut-off times.
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Valencia Marathon: how to run a PB, kilometre by kilometre
Europe's fastest marathon: your splits from 3:00 to 4:00, the slow climb to km 34 and the traps that cost a PB.
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A personalised training plan with Strava and Claude
Connect Strava (or COROS) to Claude, get a race build based on what you've actually run, then import it into your calendar.
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Boulogne-Billancourt Half Marathon: profile, elevation and race strategy
One of the fastest half marathons in France: the real elevation gain, the course's only hill, the aid stations and how to run it fast.
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EcoTrail Paris 45 km: profile, elevation and key sections
From Versailles to the Pont d'Iéna: the real elevation gain, the three sections, the aid stations, the cut-off times and where the race is decided.
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A race's GPX file: what it is, where to find it, how to create one
Find the official course, export it from Strava, Garmin or Komoot, or draw it for free when the organiser doesn't publish one.
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Do you already know your next race?
Drop your GPX into Runcon: an elevation profile coloured by effort, key sections, an estimated finish time and a pre-race briefing. Your first 3 analyses are free.