Person

Pete Kostelnick

Runner

Pete Kostelnick is an American ultrarunner whose 2016 crossing from San Francisco City Hall to New York City Hall took 42 days, 6 hours and 30 minutes. Guinness records that dated performance in its men’s on-foot crossing category.

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 26, 2026Published in TUM

Balser’s in-progress Breaking 42 crossing

TUM cited Kostelnick’s supported 42-day, 6-hour, 30-minute crossing as Balser’s target; this is a historical benchmark, not a new Kostelnick effort.

Read full TUM issue

July 11, 2025Published in TUM

Badwater’s 2025 men’s podium

TUM reported third man in 22:42:42 at Badwater 2025.

Event date: 2025 · TUM publication: July 11, 2025

Read full TUM issue

Sources & notes

Coverage details

October 26 dated coverage: TUM cited Kostelnick’s supported 42-day, 6-hour, 30-minute crossing as Balser’s target; this is a historical benchmark, not a new Kostelnick effort.Reported October 26; publication order is distinct from event dates and research timestamps. Plans, interim positions and provisional attributions are not final results.Source

Dated TUM coverage

Source publication dates distinguish reporting from event dates.

Reported 2026-10-26

Balser’s in-progress Breaking 42 crossing

TUM cited Kostelnick’s supported 42-day, 6-hour, 30-minute crossing as Balser’s target; this is a historical benchmark, not a new Kostelnick effort.

TUM · Oct 26, 2026

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

Public background sources checked October 26, 2026. The selection contains 127 published issues.

Guinness World Records Undated original public page; inspected October26,2026 · Checked Oct 26, 2026

Interface icons: Lucide · ISC license.

Public background & sources Checked October 26, 2026

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

This is a limited career snapshot, checked October 26, 2026. Source publication dates and event dates are shown separately.

Links preserved from TUM coverage

Published TUM issueThe Ultra Minute · 2026-10-26
Published article, 2026-10-26T20:52:03.372Z. Public original captured at 2026-10-26T20:55:46.170Z and projected to reviewed article text; no publishing-repository text pin is claimed.
Public source linked by TUMcorsa.run · linked in 2026-10-26
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 TUMguinnessworldrecords.com · linked in 2026-10-26
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 TUMapp.amilia.com · linked in 2026-10-26
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 TUMinstagram.com · linked in 2026-10-26
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.
Published TUM issueThe Ultra Minute · 2025-07-11
Published article, 2025-07-11T19:43:19.605Z. Public original captured at 2026-10-28T00:38:38.573Z and projected to reviewed article text; no publishing-repository text pin is claimed.
Public source linked by TUMinstagram.com · linked in 2025-07-11
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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