Person
Matt Walsh writes Trailmix, a newsletter examining the business and media of trail running. Its coverage follows publishers, creators, sponsors and the sport’s professionalization, giving industry context to individual brand stories.
10 TUM reports · Published coverage below
Publication history
10 editorial issues
Distinct issues per publication month. Each issue counts once.
Monthly editorial issue counts: Jul 2024: 0; Aug 2024: 0; Sep 2024: 1; Oct 2024: 1; Nov 2024: 1; Dec 2024: 0; Jan 2025: 0; Feb 2025: 0; Mar 2025: 0; Apr 2025: 2; May 2025: 1; Jun 2025: 0; Jul 2025: 0; Aug 2025: 0; Sep 2025: 0; Oct 2025: 0; Nov 2025: 0; Dec 2025: 0; Jan 2026: 0; Feb 2026: 0; Mar 2026: 0; Apr 2026: 0; May 2026: 0; Jun 2026: 1; Jul 2026: 1; Aug 2026: 0; Sep 2026: 0; Oct 2026: 1; Nov 2026: 1.
Sponsor mentions, repeated links and polls are excluded. Credits within editorial items may count. Read the supporting timeline ↓
Newest first
Matt Walsh discussed SATISFY’s latest accounts and questioned whether Golden Trail World Series’ TV push was finding an audience. The analysis stays attributed, not an independently verified financial or audience finding.
TUM linked Matt Walsh’s Trailmix commentary on running brands expanding into other sports.
Reported two trail-business changes: Trail Runner’s relaunch and Näak’s distribution model.
Matt Walsh: Article discussed Live on Course human-observer prototype.
Walsh’s Trailmix interview with Scott Mellin, highlighted in May 2025, explored Salomon’s athlete roster, broadcasting and performance strategy.
TUM linked Matt Walsh’s TrailMix explanation of UTMB livestream costs while reporting no Canyons stream. The author speculated that Auburn had declined to cover the cost.
Credited by TUM for reporting the 2025 Golden Trail broadcast partnership.
Matt Walsh’s Trailmix essay questioned the fit between national qualifying races and the 2025 WorldMountainAndTrailRunningChampionships inCanfranc, including the US Gorge Waterfalls 100K selection. His views remain attributed; qualification, selection and eventual championship results are separate.
Event date: 2025 · TUM publication: November 27, 2024
TUM linked his Trailmix article examining Vibram's position and partnerships in trail running.
TUM linked Walsh’s Trailmix article about the lack of year-over-year growth he described in UTMB’s YouTube streaming numbers. The linked analysis is attributed, not independently verified audience data.
The most-viewed module repeated Matt Walsh’s article on Borderlands’ Live on Course prototype. The first name Josh remains unresolved.
Original public source
Walsh’s July 5 analysis of Trail Runner’s relaunch and Näak’s U.S. distribution change.
Trailmix / Matt Walsh
Covered the publication relaunch
Matt Walsh covered Trail Runner’s relaunch under Outside and Näak’s move from a direct U.S. sales team to a distributor-led model. These are dated reported changes, not new employee or sponsorship affiliations.
SourceCovered the reported distributor-led shift
Matt Walsh covered Trail Runner’s relaunch under Outside and Näak’s move from a direct U.S. sales team to a distributor-led model. These are dated reported changes, not new employee or sponsorship affiliations.
SourceArticle discussed Live on Course human-observer prototype
Walsh described a human-observer livestream prototype associated with Josh at Borderlands. Josh remains a first-name-only reference, without an invented surname, founder role or company relationship.
SourceWrote about UTMB livestream decisions
TUM linked Matt Walsh’s TrailMix explanation of UTMB livestream costs while reporting no Canyons stream. The author speculated that Auburn had declined to cover the cost.
SourceSource publication dates distinguish reporting from event dates.
Reported 2026-06-01
Matt Walsh: Article discussed Live on Course human-observer prototype.
TUM · Jun 1, 2026Facts 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.
Career context from two original public sources. TUM’s dated reporting appears below.
This is a limited career snapshot, checked October 20, 2026. Source publication dates and event dates are shown separately.
Canonical published article; authority for what readers saw.
Exact destination preserved from the published item. Supports the item’s original attribution; not a claim that its current state was freshly checked.
Published article, 2026-07-06T19:10:51Z. Archived published text is pinned to canonical main 1405f79c9a29.
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 article, 2026-06-03T14:05:19.250Z. Public original captured at 2026-10-22T21:15:43.944Z and projected to reviewed article text; no publishing-repository text pin is claimed.
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 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.
Published article, 2025-05-02T15:19:48.171Z. Public original captured at 2026-10-28T02:39:04.329Z and projected to reviewed article text; no publishing-repository text pin is claimed.
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.
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 article, 2025-04-25T16:49:24.244Z. Public original captured at 2026-10-28T23:18:26.064Z and projected to reviewed article text; no publishing-repository text pin is claimed.
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 article, 2025-04-18T21:25:09.956Z. Public original captured at 2026-10-28T23:18:25.997Z and projected to reviewed article text; no publishing-repository text pin is claimed.
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.
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 article, 2024-11-27T22:16:32.288Z. Public original captured at 2026-10-30T08:39:44.973Z and projected to reviewed article text; no publishing-repository text pin is claimed.
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.
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 article, 2024-10-15T22:43:20.739Z. Public original captured at 2026-10-30T12:48:05.879Z and projected to reviewed article text; no publishing-repository text pin is claimed.
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.
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 article, 2024-09-17T00:15:06.647Z. Public original captured at 2026-10-30T12:48:05.858Z and projected to reviewed article text; no publishing-repository text pin is claimed.
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 article, 2026-11-02T22:27:18.042Z. Archived published text is pinned to canonical main 31d0ac6f24bb.
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.
