Person

Alex King

Alex King documented an unsupported Mount Rainier on-foot round trip of 4:14:13 on June 21, 2021. FKT retains his named performance entry and its verification link.

Historical Mount Rainier performance: 4:14:13 · June 21, 2021On-foot round trip, unsupported; no current-record assertion.Source
Historical Rainier round trip: Unsupported · 4:14:13 · June21,2021Historical benchmark, separate from Kearns’s 2026 effort.Source

1 TUM report · Published coverage below

Publication history

Coverage over time

1 editorial issue

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

May 23, 2026Published in TUM

Simon Kearns’s May 9 Mount Rainier mark receives coverage

TUM recalled his 2021 Mount Rainier unsupported on-foot mark of 4:14:13 as the benchmark lowered by Simon Kearns.

Event date: 2021 · TUM publication: May 23, 2026

Read full TUM issue

Connections

Held 2021 unsupported on-foot benchmark of 4:14:13

Mount Rainier round trip

TUM reported Simon Kearns’s May 9, 2026 Mount Rainier 14.5-mile, roughly 9,000-foot-gain round trip in 3:43:52, 30:21 faster than Alex King’s 2021 unsupported on-foot benchmark of 4:14:13. Outside covered the effort and Steep Stuff interviewed Kearns. The item does not establish Kearns’s support style.

Source

Sources & notes

Coverage details

TUM account · 2026-05-23: Held 2021 unsupported on-foot benchmark of 4:14:13Source publication date; exact event date and result/plan category remain separate.Source

Dated TUM coverage

Source publication and event dates are shown separately.

Reported 2026-05-23

Simon Kearns’s May 9 Mount Rainier mark receives coverage

TUM recalled his 2021 Mount Rainier unsupported on-foot mark of 4:14:13 as the benchmark lowered by Simon Kearns.

TUM · May 23, 2026

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

Public background sources checked October 23, 2026. The selection contains 127 published issues.

Additional biographical context is limited to the verified Mount Rainier performance.

Fastest Known Time Performance dated June 21, 2021; page publication time unstated · Checked Oct 23, 2026

Interface icons: Lucide · ISC license.

Public background & sources Checked October 23, 2026

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

2021
Mount Rainier on-foot round trip
FKT lists King’s unsupported 4:14:13 on-foot round trip on June 21, 2021.
Fastest Known Time Performance dated June 21, 2021; page publication time unstated

This is a limited career snapshot, checked October 23, 2026. Source publication dates and event dates are shown separately.

Links preserved from TUM coverage

Published TUM issueThe Ultra Minute · 2026-05-23
Published article, 2026-05-23T10:30:56.006Z. Public original captured at 2026-10-23T01:32:51.615Z and projected to reviewed article text; no publishing-repository text pin is claimed.
Public source linked by TUMoutsideonline.com · linked in 2026-05-23
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.
Public source linked by TUMfastestknowntime.com · linked in 2026-05-23
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.
Public source linked by TUMpodcasts.apple.com · linked in 2026-05-23
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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