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Lake Zell in the Zeller Becken basin at Zell am See, Salzburg.
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IRONMAN 70.3 Zell am See-Kaprun.
Race Zell am See on your terms.

A lake swim in Zell am See comes with a mountain bike bill. The route climbs towards Filzensattel before bringing you back for two lakeside run laps. On that climb, being strong and using all your strength are two different things.

Lake Zell at Zell am See, Salzburg.

Race day
29 Aug 2027
Course
Swim 1.9 km · Bike 90.1 km · Run 21.1 km
Historical air
14–27°C

What could you race?

I’m Tom, the coach behind Sense Endurance Coaching. Tell me where you are now and I’ll show you what a strong day in Zell am See could look like.

Let’s build your race

Let’s build your race.

Your age and race category help me estimate where that performance could place you. They don’t determine how fast I think you can race.

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The Filzen Saddle is not where you win your run.

Filzensattel brings you to a high point around 1,280 metres above sea level. That number marks your altitude, not the total height you climb. Hold your effort on the way up and return to Lake Zell with the legs to run two more circuits.

Seespitz, Lake Zell

Set the rhythm without rushing

Find a sustainable rhythm from the Seespitz start. Use the confirmed race-week buoy positions for navigation rather than assuming a past edition's layout is identical.

Swim within your opening effort. Sight using the final briefing.

Zell mountain roads, first bike stage

Protect the climbing effort

The approach towards Filzensattel has repeated climbs. Your power ceiling needs to survive all of them; don't calculate the day's climbing from the summit's altitude or set your effort by its steepest stretch.

Keep your climbing ceiling. Fuel while you can.

Zell mountain roads, later bike stage

Come down with control

The mountain's easier and descending sections can lower the muscular cost of the ride. Choose safe lines, recover when terrain permits and protect the transition into a long lakeside run.

Brake before corners. Finish the planned nutrition.

Lakeside path to Thumersbach

Refuse the quick first lap

The lakeside route returns towards Thumersbach. Make the first lap sustainable rather than chasing a flattering split with mountain-fatigued legs.

Keep the opening pace affordable. Check breathing at aid points.

Lake Zell, second circuit

Race with the legs you have

On the repeat stretch, take your cue from form and fuelling rather than from the earlier split. This is where you learn whether the climb and descent were executed with enough restraint.

Maintain cadence as fatigue rises. Press later only if you can hold it.

What to check in race week

Check the 2027 Lake Zell swim, Filzen Saddle climb and descent, lakeside run turns and aid. Some available bike files describe older editions, so confirm the actual mountain road before fixing climb-by-climb targets. Choose gears and pacing for a long controlled effort, not just the summit.

Forecast statusToo early for a forecast

A race-day forecast is not meaningful yet; check back closer to the event.

Temperature
14.3–26.8°CDew point centred on 12.6°C
Wind and gusts
4.2 km/hGusts up to 32.4 km/hPrevailing direction NW
Rain likelihood
Up to 80%Wet-surface uncertainty retained

Historical baseline, 2019–2025 · Open-Meteo historical archive · Updated 2026-09-13.Historical comparison only. This is not a forecast for 2027.

Make your finish prediction and I can send this plan to you in race week.

Build the legs.
Practise the decisions.

A finish range gives you something to work towards. The preparation is specific to this race: steady climbing under a clear power ceiling and confident descending feel normal, even when you need to run strongly afterwards.

I’m Tom. With Sense Endurance Coaching, I’ll build that preparation around your life, follow how you respond and adjust the work as you get closer to Zell am See.

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Course sourceOfficial course

PhotographyBybbisch94, Christian GebhardtCC BY-SA 4.0 · resized, cropped and monochrome; same licence