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Trail Races in September 2026

Every trail race and ultramarathon on the Trailrace calendar for September 2026. Filter by distance and region, or switch between list and calendar views to plan around the month.

races
80
season
September 2026
countries
11
next up
Swiss Peaks Trail 100 Miles

Next up

Swiss Peaks Trail 100 Miles
100M
5 weeks away
Sep 3, 2026
Swiss Peaks Trail 100 Miles
Le Bouveret, VS, CH36,060 ft
Kerry Way Ultra
100M · 100K
6 weeks away
Sep 4, 2026
Kerry Way Ultra
Killarney, Kerry, IE
Dark Divide 100 Mile Endurance Run
100M
6 weeks away
Sep 4, 2026
Dark Divide 100 Mile Endurance Run
Randle, WA, US26,570 ft
Kerry Way Ultra Lite 58km
50K
6 weeks away
Sep 5, 2026
Kerry Way Ultra Lite 58km
Killarney, Kerry, IE4,410 ft
Dark Divide 100K
100K
6 weeks away
Sep 5, 2026
Dark Divide 100K
Randle, WA, US16,590 ft
Dark Divide 50K
50K
6 weeks away
Sep 6, 2026
Dark Divide 50K
Randle, WA, US9,180 ft
Wildstrubel
100K · 50M · 26.2
7 weeks away
Sep 11, 2026
Wildstrubel
Crans-Montana, Valais, CH
80 races · September 2026
SEPTEMBER 202680 RACES
THU
3
SEP
Swiss Peaks Trail 100 Miles
Le Bouveret, VS, CH36,060 ft
FRI
4
SEP
Kerry Way Ultra Nite 101km
Killarney, Kerry, IE7,730 ft
FRI
4
SEP
Kerry Way Ultra 200km
Killarney, Kerry, IE15,510 ft
FRI
4
SEP
Dark Divide 100 Mile Endurance Run
Randle, WA, US26,570 ft
SAT
5
SEP
Kerry Way Ultra Lite 58km
Killarney, Kerry, IE4,410 ft
SAT
5
SEP
Dark Divide 100K
Randle, WA, US16,590 ft
SUN
6
SEP
Dark Divide 50K
Randle, WA, US9,180 ft
FRI
11
SEP
Wildstrubel Wild 70 Kandersteg
Crans-Montana, Valais, CH14,430 ft
FRI
11
SEP
Lost Soul Ultra 100 km
Lethbridge, AB, CA7,870 ft
FRI
11
SEP
Superior Fall Trail Race 100 Mile
Lutsen, MN, US17,350 ft
FRI
11
SEP
The Rut Mountain Runs 21K
Big Sky, MT, US4,000 ft
FRI
11
SEP
Wasatch Front 100 Mile Endurance Run
Kaysville, UT, US20,670 ft
FRI
11
SEP
Wildstrubel Wild Glacier Marathon Lenk
Crans-Montana, Valais, CH7,590 ft
FRI
11
SEP
Pirin Ultra 160K
Bansko, BG36,090 ft
FRI
11
SEP
Wildstrubel Wild 110 Crans-Montana
Crans-Montana, Valais, CH20,790 ft
SAT
12
SEP
Devil on the Divide 50K
Empire, CO, US7,360 ft
SAT
12
SEP
Superior Fall Trail Race 50 Mile
Lutsen, MN, US7,950 ft
SAT
12
SEP
Moose Mountain Marathon
Lutsen, MN, US4,050 ft
SAT
12
SEP
Surf Coast Century 100km
Anglesea, VIC, AU6,470 ft
SAT
12
SEP
Surf Coast Century 50km
Anglesea, VIC, AU3,530 ft
SAT
12
SEP
Bachelor Ascent 16K
Bend, OR, US2,750 ft
SAT
12
SEP
Bachelor Ascent Vertical 5K
Bend, OR, US2,700 ft
SAT
12
SEP
Lost Soul Ultra 50 km
Lethbridge, AB, CA3,940 ft
SAT
12
SEP
Malaysia Ultra-Trail MY100
Taiping, Perak, MY16,440 ft
SAT
12
SEP
Mogollon Monster 100 Mile
Pine, AZ, US15,900 ft
SAT
12
SEP
Pirin Ultra 68K
Bansko, BG14,440 ft
SAT
12
SEP
Pirin Extreme 38K
Bansko, BG10,990 ft
SAT
12
SEP
Devil on the Divide 22K
Empire, CO, US3,740 ft
SAT
12
SEP
Wildstrubel Wild 55 Adelboden
Crans-Montana, Valais, CH9,660 ft
SAT
12
SEP
Black Squirrel Half Marathon
Bellvue, CO, US1,950 ft
SAT
12
SEP
Snowbasin 58K
Huntsville, UT, US5,930 ft
SAT
12
SEP
Snowbasin 28K
Huntsville, UT, US2,480 ft
SUN
13
SEP
Wildstrubel Wild 25 Leukerbad
Crans-Montana, Valais, CH3,750 ft
SUN
13
SEP
The Rut Mountain Runs 11K
Big Sky, MT, US16,700 ft
SUN
13
SEP
Pirin Trail 25K
Bansko, BG3,280 ft
SUN
13
SEP
Mogollon Monster 42K
Pine, AZ, US4,560 ft
FRI
18
SEP
I Feel Slovenia 120K
Kranjska Gora, SI19,330 ft
FRI
18
SEP
Run Rabbit Run 100
Steamboat Springs, CO, US16,490 ft
FRI
18
SEP
Paraty Brazil PTR 108
Paraty, RJ, BR15,300 ft
SAT
19
SEP
Plain 100K
Leavenworth, WA, US27,140 ft
SAT
19
SEP
Paraty Brazil PTR 17
Paraty, RJ, BR1,790 ft
SAT
19
SEP
Mountain Lakes 100
Olallie Lake, OR, US11,700 ft
SAT
19
SEP
IMTUF 100 Mile
McCall, ID, US22,000 ft
SAT
19
SEP
Paraty Brazil PTR 25
Paraty, RJ, BR2,550 ft
SAT
19
SEP
Plain 100 Mile
Leavenworth, WA, US21,000 ft
SAT
19
SEP
Pikes Peak Ascent
Manitou Springs, CO, US8,950 ft
SAT
19
SEP
Paraty Brazil PTR 58
Paraty, RJ, BR10,850 ft
SAT
19
SEP
Paraty Brazil PTR 34
Paraty, RJ, BR3,660 ft
SUN
20
SEP
Pikes Peak Marathon
Manitou Springs, CO, US8,620 ft
SUN
20
SEP
IMTUF 20 Mile
McCall, ID, US5,000 ft
SUN
20
SEP
Paraty Brazil RUN 7
Paraty, RJ, BR80 ft
FRI
25
SEP
Mammoth Trail Fest Dragon's Back Ascent
Mammoth Lakes, CA, US2,550 ft
FRI
25
SEP
The Bear 100 Mile Endurance Run
Logan, UT, US22,820 ft
FRI
25
SEP
Red Feather Trail Jamboree 50 Mile
Red Feather Lakes, CO, US8,120 ft
FRI
25
SEP
Mammoth Trail Fest Tenkay
Mammoth Lakes, CA, US790 ft
FRI
25
SEP
Mammoth Trail Fest Triple
Mammoth Lakes, CA, US
FRI
25
SEP
Karkloof 100 Miler
Howick, KwaZulu-Natal, ZA10,800 ft
SAT
26
SEP
Mammoth Trail Fest 50K
Mammoth Lakes, CA, US6,840 ft
SAT
26
SEP
7 Valleys Ultra
Keswick, Cumbria, GB13,060 ft
SAT
26
SEP
WILD Wahatoya Runs 8ish Mile
La Veta, CO, US1,660 ft
SAT
26
SEP
Karkloof 30 Miler
Howick, KwaZulu-Natal, ZA2,890 ft
SAT
26
SEP
Karkloof 20 Miler
Howick, KwaZulu-Natal, ZA1,920 ft
SAT
26
SEP
Karkloof 10 Miler
Howick, KwaZulu-Natal, ZA950 ft
SAT
26
SEP
WILD Wahatoya Runs Heavy Half Marathon
La Veta, CO, US3,340 ft
SAT
26
SEP
Sawatch 50/50
Buena Vista, CO, US
SAT
26
SEP
Sangre de Cristo Trail Festival 100 Mile
Westcliffe, CO, US16,690 ft
SAT
26
SEP
Sangre de Cristo Trail Festival 100K
Westcliffe, CO, US10,740 ft
SAT
26
SEP
Sangre de Cristo Trail Festival 50 Mile
Westcliffe, CO, US8,880 ft
SAT
26
SEP
Sangre de Cristo Trail Festival 50K
Westcliffe, CO, US5,550 ft
SAT
26
SEP
Red Feather Trail Jamboree 50K
Red Feather Lakes, CO, US4,210 ft
SAT
26
SEP
Crested Butte Ultra 50 Mile
Crested Butte, CO, US8,610 ft
SAT
26
SEP
Crested Butte Ultra 55K
Crested Butte, CO, US4,690 ft
SAT
26
SEP
Crested Butte Ultra 35K
Crested Butte, CO, US2,230 ft
SAT
26
SEP
West Line Winder 30K
Buena Vista, CO, US2,450 ft
SAT
26
SEP
West Line Winder 50K
Buena Vista, CO, US4,300 ft
SUN
27
SEP
Estes Epic Heavy Half
Estes Park, CO, US1,880 ft
SUN
27
SEP
Red Feather Trail Jamboree Half Marathon
Red Feather Lakes, CO, US1,830 ft
SUN
27
SEP
Sawatch Ascent 50K
Buena Vista, CO, US7,000 ft
SUN
27
SEP
Mammoth Trail Fest 26K
Mammoth Lakes, CA, US3,920 ft
SUN
27
SEP
Sangre de Cristo Trail Festival 27K
Westcliffe, CO, US4,620 ft

Frequently asked questions

How many trail races are there in September 2026?

Trailrace lists 80 upcoming trail races in September 2026, sorted soonest first.

What is the next race in September 2026?

The next is Swiss Peaks Trail 100 Miles on September 3, 2026 in Le Bouveret, VS, CH.

Which countries host trail races in September 2026?

These trail races in September 2026 span 11 countries. Use the region filter to narrow the list to a specific country.

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