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

Get ready to lace up and conquer the world's most epic ultramarathons as we bring you the ultimate weekly preview of 16 hand-picked events spanning the globe. From the rugged trails of Europe to the sun-kissed routes of South Africa, this week's lineup features a diverse mix of 100-mile, 50-kilometer, 100-kilometer, and 50-mile challenges in Sweden, the UK, Spain, Romania, Austria, and beyond. Whether you're a seasoned ultra runner or just starting to explore the world of long-distance running, there's something for everyone in this week's selection of must-run events.

Editor's Pick: Maldon M100

Jun 20 · Maldon, GBR · 100mi

The Maldon M100, set to take place on June 20, 2026, in Maldon, GBR, promises to be a grueling challenge for its 75 participants. Spanning 163 km of trail terrain, the event will require competitors to tackle a significant elevation gain of 6470 meters within a 32-hour time limit. For those who rise to the challenge, the Maldon M100 offers a true test of endurance.

By Distance

100 Miles

• 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
• Ryavallen Ultrafestival - 24h - 100mi split — Jul 4 · Borås, SWE
  100mi in SWE

100K

• Nøsen Hundreds Ultramarathon - 100km — Jun 13 · Nøsen, NOR
  3,480 m climb
• Carpathia UltraTrails 102km — Jul 4 · Fundata, ROU
  5,638 m of vertical gain

50K – 50 Miles

• 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
• Val dAran by UTMB - PDA (Peades dAigua) — Jul 2 · Salardu, ESP
  Big-stage field — 1,400 entry cap

This Week in Numbers

• Biggest field: Comrades Marathon — 20,000 starters
• Most climb: Val dAran by UTMB - PDA (Peades dAigua) — 33,003,700 m gain
• Tightest cutoff: Comrades Marathon — 12h for 87 km
• Furthest flung: Koasa-55-Panorama-Trail — AUT
• Longest day: The Yeti 200 km Endurance Run-Washington — 200 km · 100mi

That's a hand-picked slice — see all 354 upcoming events on our race calendar.