Trumer Triathlon Mitteldistanz (Obertrum am See)
Obertrum am See, Austria · July · Trumer Triathlon (Independent)
Not a standard 70.3. This course is 1.9 km (1.2 mi) swim, 88.5 km (55 mi) bike, 21.1 km (13.1 mi) run, not the usual 1.9 km (1.2 mi) swim, 90 km (56 mi) bike, 21.1 km (13.1 mi) run. 1.9 km (1.2 mi) / 88.5 km (55 mi) / 21.1 km (13.1 mi).
Why people love it
- Austrian championship venue on a hilly Salzburg lakes bike course
- Bathing-bay swim in the Obertrumer See with a Seecrossing warm-up the day before
- Village-centre run with festival atmosphere and over 2,000 athletes across the weekend
- Fast fields: course records of 3:49 and below on a hilly course
Watch out for
- Hilly 88.5 km (55 mi) bike over the Salzburg lakes
- No shade on the run: 28 °C (82 °F) humid conditions in 2025
- Sells out; the weekend is a major regional event with limited lodging
- Mostly press and organiser coverage; few first-person athlete reports
Race
How racers feel about it, how well it is run, and how it treats a first timer. Counts for 27% of the overall score.
- Racer satisfactionLoved4.0
Coverage across several years is upbeat about the scenic, tough course and atmosphere, but there are no first-person athlete reviews. · Low confidence
- OrganizationWell run4.0
A big three-day festival that has grown to over 2,000 athletes and hosts national titles without reported problems. · Low confidence
- First timer friendlyDoable2.8
Hilly bike and shadeless run make this a demanding half, though relays and shorter races feed beginners into the weekend. · Low confidence
Course traits, not part of the score
- PR potentialAverage2.8
Hilly bike and exposed run; winners finish near 3:50 to 4:00. · Low confidence
- Course easeVery tough2.2
Hilly bike and shadeless run. · Low confidence
Swim
Wetsuit odds, water temperature, calm, and the experience of the start. Counts for 15% of the overall score.
- Wetsuit legalUsually3.8
Mid-July alpine lake can be warm; no wetsuit statistics published. · Low confidence
- Water temperatureComfortable4.0
Bathing bay in July; temperatures not published. · Low confidence
- Calm waterGlassy4.6
Sheltered lake bay with no chop mentioned. · Low confidence
- Swim easeEasy4.0
Bathing bay start in a lake; organisers promote beautiful scenery. · Low confidence
- Swim experienceGreat4.4
Scenic bathing bay on the Obertrumer See. · Low confidence
Bike
Road surface, closures, scenery and wind. Counts for 19% of the overall score.
- Road surfaceGood3.8
No surface complaints in coverage. · Low confidence
- Road closuresMostly closed3.8
Large event with road closures typical for Austrian championships; not specifically confirmed. · Low confidence
- Bike scenerySpectacular4.6
Described as wonderful and scenic through the Salzburg lake district. · Medium confidence
- WindSome wind3.3
No wind reports. · Low confidence
Course traits, not part of the score
- Bike speedAverage2.6
Hilly and demanding according to organisers and press. · Low confidence
- Bike flatnessHilly2.3
Organisers call the course hilly; elevation total unpublished. · Low confidence
- Bike simplicitySome technical parts3.4
Hilly lake roads with descents; no reported technical hazards. · Low confidence
Run
Crowds, aid stations, conditions underfoot and scenery. Counts for 13% of the overall score.
- Crowd supportStrong4.2
Lively atmosphere along the course and in village-centre run laps. · Medium confidence
- Aid stationsGood3.6
Aid not discussed. · Low confidence
- Run sceneryBeautiful3.9
Village-centre laps and lake views. · Low confidence
- Run conditionsModerate2.5
No shade on the run in humid heat at 28 °C (82 °F) in 2025. · Medium confidence
Course traits, not part of the score
- Run flatnessRolling3.3
Run laps through the village, mostly road. · Low confidence
Conditions
Air temperature, how predictable the weather is, setting, and spectating. Counts for 15% of the overall score.
- Air temperatureWarm or cool2.8
Mid-July heat and humidity reported in 2025. · Low confidence
- Weather reliabilityVariable3.4
Event held through 17 editions; heat is the main variable. · Low confidence
- Venue beautyStunning4.6
Alpine lake district setting. · Medium confidence
- Spectator friendlySee them often4.5
Village-centre run, Trumer Village and a festival schedule built for family. · Medium confidence
Course traits, not part of the score
- Low altitudeLow3.8
Obertrum sits at about 510 m (1,670 ft) above sea level. · Low confidence
Stay and travel
Hotels, walkability, getting there, and the town around the race. Counts for 11% of the overall score.
- Hotel availabilityBook early2.8
Weekend fills a small lake community; book early. · Low confidence
- Hotel valueNormal3.2
No price comments. · Low confidence
- WalkabilityWalkable3.8
Event village in the town centre. · Low confidence
- Travel easeEasy3.7
About 25 km (16 mi) from Salzburg airport. · Medium confidence
- LogisticsSimple3.8
Single-village festival with multiple races across three days. · Low confidence
- Town and foodGood3.8
Salzburg lake district hospitality. · Low confidence
Key facts
- Location
- Obertrum am See, Salzburg, Austria, Austria
- Typical month
- July
- Latest or next date
- 18 July 2027
- Organiser
- Trumer Triathlon (Independent)
- Field size
- About 2,000 athletes
- First held
- 2010
- Distances (non-standard)
- 1.9 km (1.2 mi) swim, 88.5 km (55 mi) bike, 21.1 km (13.1 mi) run
- Swim venue
- Obertrumer See (bathing bay) (lake)
- Swim start
- wave
- Key climbs
- Hilly Salzburg lakes loops
- Run shade
- almost none
- Altitude
- 510 m (1,670 ft)
- Nearest airport
- Salzburg (SZG), 25 km (16 mi) away
- Where to stay
- Obertrum, Seeham, Salzburg
- Booking
- Salzburg lake district; book early for the festival weekend (over 2,000 athletes in 2025).
What racers and reviewers say
- hdsports: Absoluter Rekordrausch beim 17. Trumer Triathlon (2026)Raced 2026 · article · Positive
Race report from the 17th edition: a late lead change on the run decided the middle distance, which winner Leon Pauger called his hardest ever, and Caroline Pohle took back the women's course record. Notes a record year.
- SALZBURG24: Hitze bei Trumer Triathlon (2025)Raced 2025 · article · Mixed
Heat battle in humid 28 °C (82 °F) with almost no shade on the run; the lead rider from the bike faded, and the Austrian runner-up said the heat made it a torment.
- SALZBURG24: Trumer Triathlon winkt Teilnehmerrekord (2025)Raced 2025 · article · Positive
Preview of the record 2025 field: over 2,000 athletes, 55 percent more than a year earlier, with a demanding but scenic bike and run course, sold-out distances and international fields; ten years of Austrian championships.
- SALZBURG24: Horst Reichel verhindert Salzburger Doppelsieg (2017)Raced 2017 · article · Positive
Race-day report: three-day festival with record attendance and a strong, balanced field, a men's course record of 4:00:27 on the 88.5 km (55 mi) bike course and a hard run; a runner-up called it the hardest race of his season.
- Runner's World Germany: Stars und Lauf-Neuheit beim Trumer Triathlon (2022)Raced 2022 · article · Positive
Preview of 2022: Patrick Lange set a middle-distance course record in 2021 and a Paralympian was making his middle-distance debut; the event adds Charity Run, kids races and a weekend of competitions around the middle distance finale.
Show 1 more
- Trumer Triathlon: event site (2027 registration)Raced 2027 · article · Positive
Organiser page for 16-18 July 2027: describes seven triathlon formats, a hilly Salzburg Seenland course, a Trumer Village with a live-band party and Seecrossing swims. Promotional.
Sources
Pages we used for facts and ratings. See how we rate.
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