Swiss Alps 100 2027
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At a glance
Swiss Alps 100 2027 takes place from Friday 6 to Sunday 8 August 2027 in Fiesch (Valais, Switzerland). 5 courses from 10 to 160 km.
Longest course: 160 km with 10’150 m D+ (63 m per km: very steep terrain). It has 16 aid stations and 18 cutoffs. Terrain: 62% trail, including 46 km of mountain trail (T2) and 6 km of T3, the most technical part; 25% forest track and 12% road. Terrain data: © OpenStreetMap contributors.
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Swiss Alps 100 is held in Fiesch and offers four race formats starting 7 August 2026: a Vertical (10.3 km, 1830 m gain), 50K (3210 m gain), 100K (6250 m gain), and a 160K that sets off Friday morning…
5 courses
10km6.2mi
1’830 m D+6’004 ft D+
21 m D-69 ft D-
avg 18%
Vertical06.08. 09:00
33.3km20.7mi
4’692 m D+15’394 ft D+
5’441 m D-17’851 ft D-
avg 14%
Matterhorning07.08. 07:00
50km31.1mi
3’210 m D+10’531 ft D+
3’083 m D-10’115 ft D-
avg 6%
50K07.08. 06:00 · 6 aid stations
100km62.1mi
6’250 m D+20’505 ft D+
5’836 m D-19’147 ft D-
avg 6%
100K06.08. 17:30 · 10 aid stations
160km99.4mi
10’150 m D+33’301 ft D+
9’433 m D-30’948 ft D-
avg 6%
160K06.08. 07:30 · 16 aid stations
Course analysis
160 km99.4 mi10’150 m D+33’301 ft D+
- D+
- 10’150 m33’301 ft
- D−
- 9’433 m30’948 ft
- Max alt.
- 2’786 m9’140 ft
- Steepest
- 24%
Segments
Elevation profile: 160K
1’046 m – 2’786 m3’432 ft – 9’140 ft
Terrain
Aid station by aid station
Terrain, climb and cutoff between each aid station.
Start Fiesch → Kühboden km 0 → 7km 0 → 4.3
7 km4.3 mi · +1’169 m3’835 ft · −21 m69 ft · Cutoff Fri 10:00
Kühboden → Riederfurka km 7 → 15.6km 4.3 → 9.7
8.6 km5.3 mi · +162 m531 ft · −345 m1’132 ft · Cutoff Fri 12:00
Riederfurka → Belalp km 15.6 → 23.7km 9.7 → 14.7
8.1 km5 mi · +707 m2’320 ft · −604 m1’982 ft · Cutoff Fri 14:30
Belalp → Belalp km 23.7 → 30.7km 14.7 → 19.1
7 km4.3 mi · +651 m2’136 ft · −655 m2’149 ft · Cutoff Fri 17:00
Belalp → Riederfurka km 30.7 → 41.1km 19.1 → 25.5
10.4 km6.5 mi · +744 m2’441 ft · −772 m2’533 ft · Cutoff Fri 20:30
Riederfurka → Gletscherstube km 41.1 → 52.7km 25.5 → 32.7
11.6 km7.2 mi · +618 m2’028 ft · −352 m1’155 ft · Cutoff Fri 23:30
Gletscherstube → Bellwald km 52.7 → 61.2km 32.7 → 38
8.5 km5.3 mi · +243 m797 ft · −1’026 m3’366 ft · Cutoff Sat 02:00
Bellwald → Reckingen km 61.2 → 74.8km 38 → 46.5
13.6 km8.5 mi · +582 m1’909 ft · −850 m2’789 ft · Cutoff Sat 04:30
Reckingen → Blitzingen km 74.8 → 80.5km 46.5 → 50
5.7 km3.5 mi · +32 m105 ft · −106 m348 ft · Cutoff Sat 06:00
Blitzingen → Chäserstatt km 80.5 → 88.3km 50 → 54.9
7.8 km4.8 mi · +633 m2’077 ft · −85 m279 ft · Cutoff Sat 10:00
Chäserstatt → Binn km 88.3 → 102km 54.9 → 63.4
13.7 km8.5 mi · +826 m2’710 ft · −1’227 m4’026 ft · Cutoff Sat 14:30
Binn → Breithorn km 102 → 110.5km 63.4 → 68.7
8.5 km5.3 mi · +1’164 m3’819 ft · −137 m449 ft · Cutoff Sat 18:00
Breithorn → Rosswald km 110.5 → 119.1km 68.7 → 74
8.6 km5.3 mi · +229 m751 ft · −637 m2’090 ft · Cutoff Sat 20:30
Rosswald → Breithorn km 119.1 → 131.9km 74 → 82
12.8 km8 mi · +1’019 m3’343 ft · −580 m1’903 ft · Cutoff Sun 00:30
Breithorn → Grengiols km 131.9 → 143.1km 82 → 88.9
11.2 km7 mi · +62 m203 ft · −1’396 m4’580 ft · Cutoff Sun 04:00
Grengiols → Mühlebach km 143.1 → 151.5km 88.9 → 94.1
8.4 km5.2 mi · +381 m1’250 ft · −306 m1’004 ft · Cutoff Sun 06:30
Mühlebach → Finish Fiesch km 151.5 → 159.4km 94.1 → 99
7.9 km4.9 mi · +211 m692 ft · −334 m1’096 ft · Cutoff Sun 09:30
Finish Fiesch → Finish km 159.4 → 160km 99 → 99.4
0.6 km0.4 mi · +0 m0 ft · −0 m0 ft
Elevation figures are measured by Kliva on the course trace. Cutoffs are the organiser's.
Aid station by aid station
Terrain, climb and cutoff between each aid station.
Start Fiesch → Kühboden km 0 → 7km 0 → 4.3
7 km4.3 mi · +1’170 m3’839 ft · −19 m62 ft · Cutoff Sat 08:30
Kühboden → Gletscherstube km 7 → 15.6km 4.3 → 9.7
8.6 km5.3 mi · +511 m1’677 ft · −365 m1’198 ft · Cutoff Sat 11:00
Gletscherstube → Bellwald km 15.6 → 24.1km 9.7 → 15
8.5 km5.3 mi · +251 m823 ft · −1’036 m3’399 ft · Cutoff Sat 13:30
Bellwald → Blitzingen km 24.1 → 29km 15 → 18
4.9 km3 mi · +88 m289 ft · −367 m1’204 ft · Cutoff Sat 14:30
Blitzingen → Chäserstatt km 29 → 36.9km 18 → 22.9
7.9 km4.9 mi · +486 m1’594 ft · −171 m561 ft · Cutoff Sat 16:30
Chäserstatt → Mühlebach km 36.9 → 43.7km 22.9 → 27.2
6.8 km4.2 mi · +338 m1’109 ft · −632 m2’073 ft · Cutoff Sat 18:30
Mühlebach → Finish km 43.7 → 50km 27.2 → 31.1
6.3 km3.9 mi · +182 m597 ft · −436 m1’430 ft
Elevation figures are measured by Kliva on the course trace. Cutoffs are the organiser's.
Aid station by aid station
Terrain, climb and cutoff between each aid station.
Start Fiesch → Kühboden km 0 → 7km 0 → 4.3
7 km4.3 mi · +1’172 m3’845 ft · −21 m69 ft · Cutoff Fri 20:00
Kühboden → Gletscherstube km 7 → 15.6km 4.3 → 9.7
8.6 km5.3 mi · +446 m1’463 ft · −298 m978 ft · Cutoff Fri 22:30
Gletscherstube → Bellwald km 15.6 → 24.1km 9.7 → 15
8.5 km5.3 mi · +243 m797 ft · −1’029 m3’376 ft · Cutoff Sat 01:00
Bellwald → Reckingen km 24.1 → 37.7km 15 → 23.4
13.6 km8.5 mi · +613 m2’011 ft · −849 m2’785 ft · Cutoff Sat 03:30
Reckingen → Blitzingen km 37.7 → 43.4km 23.4 → 27
5.7 km3.5 mi · +25 m82 ft · −118 m387 ft · Cutoff Sat 04:30
Blitzingen → Chäserstatt km 43.4 → 51.2km 27 → 31.8
7.8 km4.8 mi · +629 m2’064 ft · −105 m344 ft · Cutoff Sat 07:30
Chäserstatt → Binn km 51.2 → 64.9km 31.8 → 40.3
13.7 km8.5 mi · +851 m2’792 ft · −1’213 m3’980 ft · Cutoff Sat 11:00
Binn → Breithorn km 64.9 → 73.4km 40.3 → 45.6
8.5 km5.3 mi · +1’174 m3’852 ft · −152 m499 ft · Cutoff Sat 14:00
Breithorn → Grengiols km 73.4 → 84.6km 45.6 → 52.6
11.2 km7 mi · +56 m184 ft · −1’399 m4’590 ft · Cutoff Sat 16:00
Grengiols → Mühlebach km 84.6 → 92.9km 52.6 → 57.7
8.3 km5.2 mi · +400 m1’312 ft · −287 m942 ft · Cutoff Sat 18:00
Mühlebach → Finish km 92.9 → 100km 57.7 → 62.1
7.1 km4.4 mi · +209 m686 ft · −343 m1’125 ft
Elevation figures are measured by Kliva on the course trace. Cutoffs are the organiser's.
Feels like these
- Ultra-Trail Mount Yun by UTMB95.6 km59.4 mi · 293 km-effortOct 15, 2027 · Dates to be confirmed8’010 km away4’977.2 mi away
- Pirin Ultra159 km98.8 mi · 285 km-effortSep 9, 20271’325 km away823.3 mi away
- DC Peaks 100160.8 km99.9 mi · 235 km-effortOct 1, 20278’642 km away5’369.9 mi away
- Oman by UTMB151.1 km93.9 mi · 232 km-effortDec 10, 20265’077 km away3’154.7 mi away
Where to stay
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