Upcoming Ultras: 16 Races to Watch in the Next 30 Days

Get ready to lace up and hit the trails as we kick off the week with a global rundown of the most epic ultramarathons on the horizon. From the sun-kissed trails of Brazil to the rugged mountains of South Africa, and from the scenic coastlines of Australia to the picturesque landscapes of Austria and Sweden, this week's preview features 16 must-run events across four continents, including five ultra-marathons that will push even the toughest athletes to their limits.

Editor's Pick: Ultra do Vulcão 350km

Jun 4 · Poços de Caldas, MG, BRA · 200mi+

The Ultra do Vulcão 350km is a challenging trail ultramarathon taking place in Poços de Caldas, MG, BRA on June 4, 2026. With a limited participant cap of 50 and a grueling 350 km distance, this event promises to push even the most experienced athletes to their limits. The course will be navigated on rugged trail terrain, with a time limit of 82 hours to complete the journey.

By Distance

200mi+ & Multiday

- Ultra do Vulcão 350km — Jun 4 · Poços de Caldas, MG, BRA\

200mi+ in BRA

100 Miles

- Cape2Cape Ultra Marathon 100mi — Jun 6 · Augusta, WA, AUS\

100mi in AUS

- The Long Run Backyard Ultra — Jun 13 · Fredericton, CAN\

100mi in CAN

- Burney Mountain 100 — Jun 19 · Cassel, CA, USA\

100mi in USA

- Maldon M100 — Jun 20 · Maldon, GBR\

6,470 m of vertical gain

- Silverleden Ultra 100M — Jun 26 · Hällefors, SWE\

100mi in SWE

- The Yeti 200 km Endurance Run-Washington — Jun 26 · North Bend, WA, USA\

100mi in USA

- The Yeti 100 Mile Endurance Run-Washington — Jun 26 · North Bend, WA, USA\

Tight 30h cutoff for 161 km

50K – 50 Miles

- Bieg Rzeźnika — Jun 4 · Cisna, POL\

Tight 13h cutoff for 84 km

- Lysefjorden Inn Ultramarathon — Jun 6 · Forsand, NOR\

500 starters — well-established field

- Koasa-55-Panorama-Trail — Jun 13 · Ebbs, AUT\

Big-stage field — 1,000 entry cap

- Dolomiti Extreme Trail 72 km — Jun 13 · Val di Zoldo, ITA\

500 starters — well-established field

- Comrades Marathon — Jun 14 · Durban, South Africa\

Big-stage field — 20,000 entry cap

- Gdynia Ultra Way — Jun 26 · Wejcherowo, POL\

Big-stage field — 1,400 entry cap

- Lavaredo Ultra Trail by UTMB - 50K — Jun 26 · Cortina d'Ampezzo, ITA\

Big-stage field — 1,800 entry cap

- Sachsentrail im Erzgebirge — Jun 27 · Breitenbrunn, DEU\

Big-stage field — 1,200 entry cap

This Week in Numbers

- Biggest field: Comrades Marathon — 20,000 starters

- Most climb: Maldon M100 — 6,470 m gain

- Tightest cutoff: Comrades Marathon — 12h for 87 km

- Furthest flung: Cape2Cape Ultra Marathon 100mi — AUS

- Longest day: Ultra do Vulcão 350km — 350 km · 200mi+

That's a hand-picked slice — see all 419 upcoming events on our race calendar.