Race

Worlds End 100K

Ultra race

Worlds End 100K is a rugged trail ultramarathon in Pennsylvania’s Endless Mountains. Its course uses Loyalsock State Forest and Worlds End State Park, combining technical single-track with repeated climbs and rocky terrain.

Course setting: Pennsylvania’s Endless MountainsOriginal public-source context; separate from dated TUM coverage.Source

2 TUM reports · Published coverage below

Publication history

Coverage over time

2 editorial issues

Distinct issues per publication month. Each issue counts once.

Jul 2024Peak 1Nov 2026

Sponsor mentions, repeated links and polls are excluded. Credits within editorial items may count. Read the supporting timeline ↓

In The Ultra Minute

Newest first

October 6, 2026Published in TUM

Black Forest and a Pennsylvania season

TUM covered Kaylee Frederick and Reagan McCoy’s Black Forest 100K results and Frederick’s PA Sufferfest and Black List recap.

Read full TUM issue

June 1, 2026Published in TUM

Worlds End women’s course-record performances

Frederick won the women’s 100K and was second overall in 12:24:27.86. Zatwarnytsky was second woman and fourth overall in 12:36:34.54; both were below the previously listed women’s record.

Read full TUM issue

Connections

Women’s winner, second overall, 12:24:27.86; women’s course record

Kaylee Frederick

Frederick won the women’s 100K and was second overall in 12:24:27.86. Zatwarnytsky was second woman and fourth overall in 12:36:34.54; both were below the previously listed women’s record.

Source

Second woman, fourth overall, 12:36:34.54; below old women’s record

Carre Zatwarnytsky

Frederick won the women’s 100K and was second overall in 12:24:27.86. Zatwarnytsky was second woman and fourth overall in 12:36:34.54; both were below the previously listed women’s record.

Source

Sources & notes

Dated TUM coverage

Source publication dates distinguish reporting from event dates.

Reported 2026-06-01

Worlds End women’s course-record performances

Frederick won the women’s 100K and was second overall in 12:24:27.86. Zatwarnytsky was second woman and fourth overall in 12:36:34.54; both were below the previously listed women’s record.

TUM · Jun 1, 2026

Facts above link directly to their sources. Published TUM dates and public-source check dates describe different things.

Public background sources checked October 22, 2026. The selection contains 127 published issues.

Worlds End Ultramarathon Publication date unstated; original body checked in this review · Checked Oct 22, 2026

Interface icons: Lucide · ISC license.

Public background & sources Checked October 22, 2026

Background context from one original public source. TUM’s dated reporting appears below.

This is a limited background snapshot, checked October 22, 2026. Source publication dates and event dates are shown separately.

Links preserved from TUM coverage

Published TUM issueThe Ultra Minute · 2026-10-06
Canonical published article; authority for what readers saw.
Public source linked by TUMfalconracetiming.com · linked in 2026-10-06
Exact destination preserved from the published item. Supports the item’s original attribution; not a claim that its current state was freshly checked.
Public source linked by TUMblackforestultra.com · linked in 2026-10-06
Exact destination preserved from the published item. Supports the item’s original attribution; not a claim that its current state was freshly checked.
Public source linked by TUMinstagram.com · linked in 2026-10-06
Exact destination preserved from the published item. Supports the item’s original attribution; not a claim that its current state was freshly checked.
Published TUM issueThe Ultra Minute · 2026-06-01
Published article, 2026-06-01T14:07:12.070Z. Public original captured at 2026-10-22T21:15:43.907Z and projected to reviewed article text; no publishing-repository text pin is claimed.
Public source linked by TUMfalconracetiming.com · linked in 2026-06-01
Exact public destination in the published item. The archived TUM issue establishes the historical attribution; this is not a fresh verification of the destination’s current content.

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