[{"data":1,"prerenderedAt":429},["ShallowReactive",2],{"race-xterra-o-see-challenge":3,"race-related-xterra-o-see-challenge":376},{"slug":4,"slugAliases":5,"eventName":6,"city":7,"country":8,"eventDate":9,"updatedAt":10,"eventHomepageUrl":11,"proseName":12,"eventType":13,"courses":14,"editions":374},"xterra-o-see-challenge",[],"XTERRA O-SEE Challenge","Zittau","Germany","2026-08-15T00:00:00.000Z","2026-08-17T20:26:06.141Z","https://www.o-see-challenge.de/",{"de":6,"en":6},"Triathlon",[15],{"raceName":16,"kind":17,"composedLegs":18,"startDate":358,"leg":21,"legGroup":21,"distanceInMeters":359,"elevationGainInMeters":360,"format":361,"profile":21,"intro":362,"description":365,"pacing":368,"training":371},"XTERRA Full 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1.500 Metern Schwimmen im Olbersdorfer See wartet bei der XTERRA Full Distance eine 37 Kilometer lange Mountainbike-Runde durch das Zittauer Gebirge. Mit 1.049 Höhenmetern, also gut 28 Höhenmetern pro Kilometer, ist sie das Herzstück des Rennens, das als bekanntester und anspruchsvollster Cross-Triathlon Deutschlands gilt, seit 2000 ausgetragen wird und seit 2004 Teil der internationalen XTERRA-Serie ist.\n\nDie erste Hälfte gehört zwei langen Anstiegen: Ab Kilometer 6 geht es 3,7 Kilometer mit gut 6 Prozent und 224 Höhenmetern bergauf, ab Kilometer 11,3 folgen 2 Kilometer mit fast 11 Prozent im Schnitt und Rampen über 22 Prozent. Nach einem welligen Mittelteil mit zwei kurzen, rund 10 Prozent steilen Stichen bei Kilometer 21,5 und 23 wartet ab Kilometer 26,3 der letzte große Brocken: 1,4 Kilometer mit 11,6 Prozent und Spitzen über 23 Prozent. Insgesamt entfällt mehr als ein Viertel der Strecke auf steile Auf- oder Abfahrten, flache Erholungsabschnitte sind rar.\n\nRund 1.500 Athletinnen und Athleten aus aller Welt, vom internationalen Spitzenfeld bis zu Einsteigern, machen das Rennwochenende am See zu Sachsens internationalstem Triathlon-Ereignis mit Festivalcharakter für die ganze Familie.","After a 1,500-metre swim in the Olbersdorfer See, the XTERRA Full Distance sends athletes onto a 37-kilometre mountain bike loop through the Zittau Mountains. With 1,049 metres of climbing, a good 28 vertical metres per kilometre, it is the heart of what is regarded as Germany's best-known and most demanding cross triathlon, held since 2000 and part of the international XTERRA series since 2004.\n\nThe first half belongs to two long climbs: from kilometre 6 the trail rises for 3.7 kilometres at a good 6 percent and 224 metres of gain, and from kilometre 11.3 a brutal 2-kilometre section follows, averaging nearly 11 percent with ramps beyond 22 percent. A rolling middle part with two short pitches of around 10 percent at kilometres 21.5 and 23 leads to the final major obstacle at kilometre 26.3, 1.4 kilometres at 11.6 percent with peaks above 23 percent. In total, more than a quarter of the course is steep climbing or steep descending, and flat recovery sections are scarce.\n\nAround 1,500 athletes from all over the world, from the international elite to first-timers, turn the lakeside race weekend into Saxony's most international triathlon event, with a festival atmosphere for the whole family.",{"discipline":219,"label":21,"legOrder":70,"distanceInMeters":220,"raceName":221,"elevationGainInMeters":222,"profile":223,"description":355},"RUN",10000,"XTERRA Full Distance — Run",156,{"classification":224,"routeShape":32,"totalAscentM":222,"totalDescentM":225,"netElevationM":226,"vertPerKm":227,"climbs":228,"remainingVertM":22,"gradientDistribution":249,"downsampledProfile":254,"trackPolyline":354},"ROLLING",158,-2,15,[229,234,240,245],{"startKm":74,"lengthKm":230,"avgGradientPct":68,"maxGradientPct":231,"elevGainM":232,"score":233,"category":21},0.9,15.3,44,4401,{"startKm":235,"lengthKm":81,"avgGradientPct":236,"maxGradientPct":237,"elevGainM":238,"score":239,"category":21},1.7,6.2,8.3,23,2334,{"startKm":241,"lengthKm":242,"avgGradientPct":115,"maxGradientPct":243,"elevGainM":232,"score":244,"category":21},5.48,0.93,15.2,4433,{"startKm":246,"lengthKm":81,"avgGradientPct":236,"maxGradientPct":247,"elevGainM":238,"score":248,"category":21},6.83,8.5,2333,{"flatPct":250,"upPct":251,"downPct":252,"steepUpPct":115,"steepDownPct":253},27.7,28,36.6,2.9,[255,257,260,262,264,267,270,273,276,279,282,285,287,289,292,295,298,301,303,304,307,310,313,315,318,320,322,324,326,328,331,334,336,338,341,343,346,348,350,352],{"km":22,"elevM":256},242,{"km":258,"elevM":259},0.28,243,{"km":261,"elevM":104},0.53,{"km":263,"elevM":211},0.8,{"km":265,"elevM":266},1.08,269,{"km":268,"elevM":269},1.33,288,{"km":271,"elevM":272},1.6,279,{"km":274,"elevM":275},1.85,289,{"km":277,"elevM":278},2.13,302,{"km":280,"elevM":281},2.4,295,{"km":283,"elevM":284},2.65,294,{"km":286,"elevM":281},2.93,{"km":37,"elevM":288},284,{"km":290,"elevM":291},3.45,266,{"km":293,"elevM":294},3.73,257,{"km":296,"elevM":297},4,256,{"km":299,"elevM":300},4.25,246,{"km":302,"elevM":300},4.53,{"km":115,"elevM":259},{"km":305,"elevM":306},5.05,239,{"km":308,"elevM":309},5.33,241,{"km":311,"elevM":312},5.58,247,{"km":314,"elevM":107},5.85,{"km":316,"elevM":317},6.13,260,{"km":319,"elevM":269},6.38,{"km":321,"elevM":205},6.65,{"km":323,"elevM":288},6.93,{"km":325,"elevM":278},7.18,{"km":327,"elevM":281},7.45,{"km":329,"elevM":330},7.73,293,{"km":332,"elevM":333},7.98,296,{"km":335,"elevM":330},8.25,{"km":337,"elevM":266},8.53,{"km":339,"elevM":340},8.78,258,{"km":342,"elevM":294},9.05,{"km":344,"elevM":345},9.3,248,{"km":347,"elevM":300},9.57,{"km":349,"elevM":259},9.85,{"km":351,"elevM":101},10.1,{"km":353,"elevM":101},10.38,"_asuHcaeyAmCb@F~At@^s@dPaAlDjG`NdB`AnC|EeEvFxBdIx@`BzCtAd@{AjC_DjEyArFQn@lBvBhALrBf@~@y@fCdAjC_@fKjApD_GzBuBrFa@OeB_Fq@iH_BiF}C{EuCd@wBnKe@z@uCLDjBwTwIT}DrAs@jDcHLaHx@yEe@qANaJQa@r@kRfB}AEgHy@qGJkGfAkGPbBk@hIHrBt@^s@dPaAlDjG`NdB`AnC|EeEvFpBrH`ArBzCtAd@{AjC_DjEyAlGCLtA~BrALrBf@~@y@fCdAjC_@fKjApDaF~Ao@p@_AlDw@l@sBmFq@iH_BiF}C{EuCd@wBnKe@z@uCLDjBwTwIT}DrAs@jDcHLaHx@yEe@qANaJQa@r@kRfB}AEgHy@qGJkGfAkGPbBk@xH~Bq@",{"de":356,"en":357},"Der abschließende Trailrun der XTERRA Full Distance führt über zwei Runden von je 5 Kilometern durch das Gelände am Olbersdorfer See am Rand des Zittauer Gebirges. 10 Kilometer und rund 156 Höhenmeter wirken nach der Mountainbike-Strecke überschaubar, doch das Profil verteilt seine Reize unangenehm: Sie kommen früh in jeder Runde.\n\nGleich nach 350 Metern beginnt der Hauptanstieg, 900 Meter mit knapp 5 Prozent im Schnitt und kurzen Rampen über 15 Prozent. Bei Kilometer 1,7 folgt ein zweiter, knapp 400 Meter langer Stich mit gut 6 Prozent. Danach übernimmt das Gefälle: Mehr als ein Drittel der Strecke fällt, sodass die zweite Rundenhälfte schnell zurück zum See führt, ehe alles noch einmal von vorn beginnt.\n\nDas Zwei-Runden-Format macht das Rennen lesbar. Wer die Anstiege der ersten Runde kontrolliert läuft, weiß genau, was in Runde zwei bevorsteht, und kann auf den fallenden Passagen Tempo aufnehmen. Gelaufen wird auf Trails im Rahmen von Deutschlands bekanntestem Cross-Triathlon, dessen Rennwochenende mit rund 1.500 Startern aus aller Welt einem Sportfestival am See gleicht, mit dem Ziel inmitten dieser Kulisse.","The closing trail run of the XTERRA Full Distance covers two laps of 5 kilometres each through the terrain around the Olbersdorfer See on the edge of the Zittau Mountains. After the mountain bike leg, 10 kilometres and roughly 156 metres of climbing sound manageable, but the profile distributes its sting awkwardly: the hard parts come early in every lap.\n\nJust 350 metres in, the main climb begins, 900 metres at close to 5 percent average with short ramps above 15 percent. At kilometre 1.7 a second kick follows, nearly 400 metres at a good 6 percent. From there gravity takes over: more than a third of the course descends, so the second half of each lap drops quickly back towards the lake before the whole sequence starts again.\n\nThe two-lap format makes the race readable. Run the climbs of the first lap under control and you know exactly what lap two holds, free to gather speed on the falling sections. The trails belong to Germany's best-known cross triathlon, whose race weekend draws around 1,500 starters from all over the world and feels like a lakeside sports festival, with the finish set in the middle of it.","2026-08-15",48500,1205,"FIXED_DISTANCE",{"de":363,"en":364},"Die XTERRA O-SEE Challenge am Olbersdorfer See stellt eine einzige große Radrunde ins Zentrum: 37 km durch das Zittauer Gebirge mit rund 1.050 Höhenmetern, dazu 1.500 m Schwimmen im See und ein zweimal zu drehender 5-km-Trailrun. Die Runde wird nur einmal gefahren, Fehler in der Einteilung lassen sich also nicht auf einer zweiten Runde korrigieren.","The XTERRA O-SEE Challenge at the Olbersdorfer See is built around one big bike loop: 37 km through the Zittau Mountains with about 1,050 metres of climbing, framed by a 1,500 m swim in the lake and a 10 km trail run in two laps. The loop is ridden once only, so a pacing error has no second lap in which to be corrected.",{"de":366,"en":367},"Der Wettkampf beginnt mit 1.500 m Schwimmen im Olbersdorfer See. Vom Wechsel weg führt die Radstrecke direkt ins Zittauer Gebirge, und zwar als durchgehender 37-km-Rundkurs statt als mehrfach wiederholte Schleife.\n\nDie Höhenmeter sind ungleich verteilt. Nach einer kurzen Rampe bei Kilometer 3,2 kommt ab Kilometer 6 der längste Anstieg des Tages: 3,65 km mit 6,1 Prozent im Schnitt und gut 220 Höhenmetern. Ab Kilometer 11,25 folgt der steilste zusammenhängende Abschnitt mit 2,08 km bei 10,7 Prozent und Rampen über 22 Prozent. Nach kurzen, steilen Stichen um Kilometer 21 und 23 wartet bei Kilometer 26,3 noch ein 1,4 km langer Anstieg mit 11,6 Prozent im Schnitt, bevor die Strecke zum See zurückrollt. Nur rund 16 Prozent der Runde sind flach.\n\nDer Lauf fällt im Vergleich moderat aus: zwei Runden zu 5 km auf Trails mit insgesamt 156 Höhenmetern. Jede Runde beginnt mit einem knapp 900 m langen Anstieg von rund 5 Prozent, gefolgt von einer kurzen zweiten Steigung bei Kilometer 1,7; der Rest fällt ab oder rollt.","The race opens with 1,500 m in the Olbersdorfer See. Out of transition the bike course heads straight into the Zittau Mountains, and it does so as one continuous 37 km loop rather than a circuit repeated several times.\n\nThe climbing is unevenly distributed. After a short ramp at km 3.2, the longest ascent of the day begins at km 6: 3.65 km at 6.1 percent average for a good 220 metres. From km 11.25 comes the steepest sustained section, 2.08 km at 10.7 percent with pitches above 22 percent. After short, sharp kicks around km 21 and km 23, another 1.4 km climb averaging 11.6 percent waits at km 26.3 before the course rolls back to the lake. Only about 16 percent of the loop is flat.\n\nBy comparison the run is moderate: two laps of 5 km on trails for 156 metres of climbing in total. Each lap opens with a climb of just under 900 m at around 5 percent, followed by a short second rise at km 1.7; the rest descends or rolls.",{"de":369,"en":370},"Weil die Radrunde nur einmal gefahren wird, gibt es keinen Vergleichswert aus einer ersten Runde. Du musst die Einteilung vorab festlegen und dich an eine Leistung halten, die du auch bei Kilometer 26 noch abrufen kannst, denn dort liegt der letzte große Anstieg, und er ist mit 11,6 Prozent im Schnitt der steilste des Kurses.\n\nEntschieden wird die O-SEE Challenge in der Mitte der Radstrecke, zwischen Kilometer 6 und 13. Dort liegen die beiden größten Anstiege des Tages fast unmittelbar hintereinander, zusammen knapp 450 Höhenmeter. Der lange Anstieg ab Kilometer 6 ist mit 6,1 Prozent flach genug, um ihn in zu großer Übersetzung zu fahren, und genau das kostet dann am steilen Abschnitt ab Kilometer 11,25 die Reserven.\n\nAuf dem Lauf liegt die Falle in den ersten Minuten jeder Runde. Der Anstieg beginnt schon nach 350 m, also unmittelbar nach dem Wechsel und dann erneut direkt nach dem Rundendurchgang. Beide Male läufst du mit hohem Puls in eine Steigung hinein; bewusstes Zurücknehmen auf den ersten Metern zahlt sich vor allem auf der zweiten Runde aus.","Because the bike loop is ridden only once, you have no first-lap reference to calibrate against. You have to fix your plan in advance and hold an output you can still produce at km 26, where the last major climb sits and where the gradient, averaging 11.6 percent, is the steepest on the course.\n\nThe O-SEE Challenge is decided in the middle of the bike leg, between km 6 and km 13. The two biggest climbs of the day come almost back to back there, close to 450 metres between them. At 6.1 percent the long climb from km 6 is shallow enough to be ridden in too big a gear, and that is precisely what drains the reserves you need on the steep section from km 11.25.\n\nOn the run, the trap is in the first minutes of each lap. The climb starts after only 350 m, so immediately out of transition and then again immediately after the lap crossing. Both times you run into a gradient with your heart rate already high, and easing off deliberately in those first metres pays off above all on the second lap.",{"de":372,"en":373},"Für die meisten Startenden dauert das Rennen zwischen rund dreieinhalb und fünf Stunden. Die Belastung ist auf dem Rad stark strukturiert: etwa 28 Prozent bergauf, 30 Prozent bergab und nur 16 Prozent flach ergeben eine Abfolge von Kraftphasen und technischen Abfahrten statt einer gleichmäßigen Dauerleistung.\n\nRennentscheidend sind drei Anstiege: der lange ab Kilometer 6, der steile ab Kilometer 11,25 und der späte bei Kilometer 26,3. Der erste verlangt eine zügige Dauerleistung über gut 20 Minuten, die beiden anderen kurze, sehr kraftbetonte Abschnitte jenseits von 10 Prozent, die du mit bereits belasteten Beinen fährst.\n\nDer Trainingsschwerpunkt liegt deshalb auf zwei verschiedenen Anstiegsformaten: gleichmäßige Belastungen von 15 bis 25 Minuten am moderaten Berg und Wiederholungen von 3 bis 5 Minuten an Steigungen über 10 Prozent, beide auf dem Mountainbike und auf losem Untergrund gefahren. Kraftbetontes Fahren bei niedriger Trittfrequenz gehört dazu, weil die steilen Stiche im Gelände oft kein leichteres Ritzel mehr übrig lassen.\n\nFür den Lauf reichen moderate Umfänge, aber er sollte im Gelände stattfinden und regelmäßig direkt an eine Radeinheit anschließen. Zwei Runden mit je zwei Anstiegen in der ersten Hälfte bedeuten viermal einen Wechsel von bergauf auf bergab mit müden Beinen; Koppelläufe von 20 bis 30 Minuten auf welligen Trails bilden das gut ab.","For most starters the race lasts between roughly three and a half and five hours. On the bike the demand is strongly structured: about 28 percent uphill, 30 percent downhill and only 16 percent flat produce a sequence of strength phases and technical descents rather than one steady aerobic effort.\n\nThree climbs decide the race: the long one from km 6, the steep one from km 11.25 and the late one at km 26.3. The first calls for a brisk sustained effort of a good 20 minutes, the other two for short, very force-heavy sections beyond 10 percent, ridden on legs that already carry the day's work.\n\nPreparation therefore centres on two different climbing formats: even efforts of 15 to 25 minutes on a moderate gradient, and repeats of 3 to 5 minutes on slopes above 10 percent, both ridden on the mountain bike and on loose ground. Low-cadence strength work belongs in there too, because the steep off-road kicks often leave you with no easier gear.\n\nThe run needs only moderate volume, but it should happen off-road and regularly follow straight on from a ride. 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