Hyogo Pref., Japan · Sunday, October 4, 2026

Fixed Distance 50 mi

Ashiya Hama Shiokaze Ultra Marathon - 70 km

31 days away
70 km Distance
not publishedn/a Climbing
3.5 est Grit · Challenging

Calculated from 70 km alone — the organiser has not published an elevation profile. Read 3.5 as a floor, not a verdict.

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What the course asks

Time limit 8.5 hours 7:17 min/km average. Firm. Sustained running. Long aid-station stops will cost you. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Among the tightest 50 mi cut-offs we track. Measured against 445 races of the same distance. Cut-off calculator →
Field size ~6 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (70km (Partial)) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daylight 11 h 45 m of light

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 70 km of trail.

  • Trail Running Shoes 70 km of trail — cushioning that is still there in the last quarter.
  • Race Nutrition 70 km of self-supported fuelling between aid stations.
  • Hydration Vests Flask capacity for 70 km, without the bounce.
  • GPS Watches Battery life first — a 70 km day outlasts most full-GPS modes.

Salomon

Sense Ride 5

★★★★★ 4.5

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Suunto

Vertical

Titanium GPS watch with solar charging, offline maps, and 140-hour GPS battery.

$630 ★★★★★ 4.5
All gear guides →

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