Skip to content
  • JoinJoin
  • FeedFeed
  • Log inLog in
  • Join
  • Feed
  • Log in

FIND YOUR RACE CREW.

  • Instagram
  • X
  • YouTube
  • TikTok
  • Strava
  • LinkedIn
  • Facebook
  • Threads

Product

Join freeFeedHow it worksRacesPR PeakFAQ

Start

ToolsFoot CareBlogShoesShoe FinderRace ResultsContactPartnerships

Legal

TermsPrivacyBillingAcceptable UseCookiesDPASubprocessorsSecurity

Subscribe

© 2026 PR.RUN

For those who ♥ to adv.entu.re

PR YOUR NEXT RUN

Lake Biwa 100

Train for Lake Biwa 100

Japan, October. 100 mi on 75% trail. +36,860 ft of climbing. 52 hours cutoff.

100 mi+36,860 ft-37,680 ft52 hours233 ft to 3,944 fttech 5/106 stationsWSER qualifierOctober
Gradient profileOfficial race GPX
DIST--
ELEV--
GRADE--
  • Start1,086 ft
  • High3,766 ft
  • Low262 ft
  • Finish266 ft

What PR Run builds for this start line

  • Personalized plan from your baseline and this course profile
  • Aid-segment fuel rehearsals tied to checkpoint spacing
  • Structured gear kit from course intelligence
  • Race-day pacing, crew notes, and race-morning brief
  • Aid stations: 6 · longest gap ~32.2 km
  • Mandatory kit items: 2
  • Cutoff: 52 hours

The crux

Humid climbs, ridge exposure, and aid gaps in remote terrain (near mile 65)

Race details can change. Confirm current rules and logistics with the Official site.

Train for your race

Train for Lake Biwa 100

Course-specific plan, fuel segments, gear kit, and race morning for Lake Biwa 100.

Train for Lake Biwa 100Check your readiness

Official siteCheck readinessPredict finish timeFull race guideFoot care plan