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Entry details on the organiser’s site →
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Greifenseelauf
The Greifenseelauf is a course of 21.1 km with 60.6 m of climbing. Its lowest point is 435 m and its highest 464 m above sea level. Next race: Saturday 18 September 2027.
At a glance
- Race day
- The 2027 race
- Distance
- 21.1 km13.1 mi
- Half marathon · 10K
- Total climb
- 60.6 m199 ft
- Highest point 29 m95 ft above lowest
The course
Drag along the profileThe half marathon climbs 60.6 m in total, from about 441 m at the start to 464 m at the finish, with its lowest point near 11.2 km.
StartFinish
© OpenStreetMap contributors
Height drawn many times taller than life · GEDTM30
Cut-off 12:3212:32 PM, km 11.5mile 7.1
0 5 10 15 20 km
0 5 10 13.1 mi
Your 2 gels, at the orange marksFor a 1:55 finish, one every 40 minutes
- km 7.3mile 4.6
- km 14.7mile 9.1
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- A gentle net rise to the finish in UsterStart about 441 m, low point near 11.2 km, finish about 464 m.
- 60% asphalt, 40% natural roads, and six aid pointsSix aid points before the finish, plus pacers from 1:30 to 2:15.
- A 12:32 checkpoint at Maur and a 14:00 finish closeReach Maur (km 11.5) by 12:32; the finish closes at 14:00.
Course notes 3 short reads on the course
km 0 to 21.1GradientA gentle net rise to the finish in UsterStart about 441 m, low point near 11.2 km, finish about 464 m.
The half marathon is a point-to-point run around the Greifensee that finishes at the Stadtpark in Uster. The 2026 course begins at about 441 m above sea level, drops to about 435 m near 11.2 km and ends at about 464 m, so the last half is a slow rise rather than a hill. The total climb is 60.6 m.
Measured
Whole courseConditions60% asphalt, 40% natural roads, and six aid pointsSix aid points before the finish, plus pacers from 1:30 to 2:15.
The organiser lists refreshment at Greifensee (km 2.9, water only), Fällanden (7.4), Maur (11.5, with bananas), Badi Egg (14.6), Seefeldstrasse in Riedikon (17.8) and Talacker (19.5, water only), then the finish at the Stadtpark in Uster. At the stations the first tables carry water, then Isostar, then water again. Pacers run finish times from 1:30 to 2:15, and there are 11 first-aid posts along the routes.
Sourced
Whole courseTacticsA 12:32 checkpoint at Maur and a 14:00 finish closeReach Maur (km 11.5) by 12:32; the finish closes at 14:00.
The organiser’s rules set the checkpoint cut-off at the Schifflände Maur at 12:32 p.m. and the half marathon finish cut-off at 2:00 p.m. A sweep vehicle follows the field at 21.1 km, and its crew can remove runners with health problems or who miss the passage times. The 48th Greifenseelauf is on 18 September 2027.
Sourced
Race weekend
Before race week 1 key date
-
12 Sept 2027
Registration deadline Official registration deadline at 23:59 (group registrations 9 September); no registrations from 13 September.
Saturday 18 September Race day
-
12:3212:32 PM
Maur control closure, km 11.5 Runners passing the Schifflände Maur checkpoint after 12:32 are disqualified. -
14:002:00 PM
Half marathon finish closes The finish cut-off for the half marathon is 14:00; runners arriving later are not ranked.
Times as published by the organiser, in Uster time, checked . Confirm on their site before you travel.
The forecast for Saturday
Race morning, on the record
We hold no start time for this race, so the record is read at 09:009:00 AM, local time.
Add to calendar .ics file, times in Uster time
Entry
Race fuel
Energy gel
2 gels for Uster, plus 1 spare
Finish
One every 40 minutes, the orange marks on the profile. Uster stays within 29 m95 ft of height, so they go by the clock:
Under about 75 minutes most runners need no gel: water at the aid stations does it.
- km 7.3mile 4.6
- km 14.7mile 9.1
For your long training runs:
Our pick: SiS BETA Fuel gel, box of 6, strawberry and lime. 40 g of carbohydrate a gel, about twice a usual gel, from two kinds of sugar your body takes up side by side. Enough for race day and two test long runs.
Easy to forget on race morning: pack them with your bib the night before.
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In Canada the button opens GU Energy Gel, Salted Caramel, 24-pack, the best seller there.
Outside the Netherlands, Belgium, Germany, Austria and Switzerland, the UK and Ireland, Spain and Portugal, Italy, the rest of the EU and Canada the button opens GU Energy Gel, Chocolate Outrage, 24-pack on Amazon.com, the best seller there.
Anti-chafe
Compeed anti-blister stick, 8 ml
An invisible layer before the start keeps seams, straps and shoes from rubbing skin raw.
Put it on before you leave for the start: heels and toes, inner thighs, under a bra or heart-rate strap.
Try it on a long run first, like everything you use on race day.
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Number belt
Compressport Race Belt
Holds your bib without safety pins through your top, with loops for up to 8 gels.
Clip the bib on the night before, so it goes on with your shorts in the morning.
Keep the number on the front, where officials and photographers can see it.
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Electrolytes
SiS Hydro electrolyte tablets, tube of 20
One tablet in a bottle puts back some of the salt you sweat out.
One tablet in 500 ml of water in the hour before the start.
Only if you have used them in training: nothing new on race day.
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Blister plasters
Compeed blister plasters, medium, 6
One in a pocket cushions a blister if one starts.
Put it on clean, dry skin and leave it until it comes off by itself.
Give a couple to whoever comes to cheer, so they are there at the km you need them.
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Keep exploring
More races to look at after the Greifenseelauf.
