Series / challenge

Grand Slam of Ultrarunning

Ultrarunning series

The Grand Slam of Ultrarunning links a summer of 100-mile races. Its published award structure requires finishing three of four eligible early races, followed by the mandatory Wasatch Front 100 Mile Endurance Run in the same summer.

Structure: Three eligible early races plus WasatchSource

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

July 15, 2026Published in TUM

Trason revisits Helen Klein’s historical running career

The item recalled Klein becoming its oldest woman completer at 66; it did not establish the achievement’s calendar year.

Read full TUM issue

Connections

Historical oldest-woman completion at age 66

Helen Klein

Helen Klein — Historical oldest-woman completion at age 66. Reported 2026-07-15.

Source

Sources & notes

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

Public background sources checked October 20, 2026. The selection contains 127 published issues.

Grand Slam of Ultrarunning Undated original public page · Checked Oct 20, 2026

Interface icons: Lucide · ISC license.

Public background & sources Checked October 20, 2026

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

This is a limited background snapshot, checked October 20, 2026. Source publication dates and event dates are shown separately.

Links preserved from TUM coverage

Published TUM issueThe Ultra Minute · 2026-07-15
Published article, 2026-07-15T15:13:28Z. Archived published text is pinned to canonical main 002146376c24.
Public source linked by TUMinstagram.com · linked in 2026-07-15
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 TUMstartingline1928.com · linked in 2026-07-15
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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