Western States Endurance Run

The official-data companion app for the Western States 100-Mile Endurance Run — the world's oldest 100-mile trail race, run every June from Olympic Valley to Auburn, California. Race day, you're seconds behind every runner you care about. Off-season, fifty years of finishers, splits, and stories are at your fingertips. Race Day • Live tracking on every starter — current aid station, distance, pace, race time • Filter by gender, age group, US state, country, or aid station • Course-record badges — instantly spot runners on or under CR, CR-F, AGR, and AGR-F pace • Leader gap badges — see how far behind 2nd–5th overall, women's, masters, and age-group leaders are running • Tap any badge to head-to-head compare splits with the runner setting the mark • Persistent live video player — watch the broadcast while you scroll, switch tabs, or open another runner's page • Push notifications when runners you've favorited reach a new aid station, finish, or DNF Archives • Every finisher since 1974 — name, age, time, place, photo, finish video where available • 50 years of cover images, race recaps, year-by-year stats • Splits leaderboards, sub-24-hour silver buckle counts, finish percentages • Search by name, filter by year, gender, age group, US state, or country • International runners shown with country flags Stats Lab • All-time top finish times, filtered by gender, age group, country, year range • Splits leaderboards for any aid-station-to-aid-station segment, on the modern 100.2-mile course • Year-over-year charts — temperature highs and lows, finishers, finish percentage, multi-finishers, international entrants • Side-by-side comparison of any two runners' splits Runner Detail • Full split table with elapsed time and field position at every station • Race photos and finish videos • Multi-year finish history, age progression, course-record holdings • Direct comparison links to course-record holders for every category Off-Season • News feed pulled from the official @wser channels • Race-day live stream notifications • Update notifications when new years are added to the archive Built by trail runners, for trail runners. Free, no account required. Data: Western States Endurance Run Foundation, UltraLive, and wser.org. Feedback: [email protected]