Jeff Browning, also known as Bronco Billy, is an ultrarunner, endurance coach and designer. His personal website describes a long career in trail ultras alongside one-to-one endurance coaching.
Roles
Ultrarunner and endurance coachSelf-described.Source
26 TUM reports · Published coverage below
Publication history
Coverage over time
23 editorial issues
Distinct issues per publication month. Each issue counts once.
Jul 2024Peak 4Nov 2026
Monthly editorial issue counts: Jul 2024: 1; Aug 2024: 2; Sep 2024: 1; Oct 2024: 0; Nov 2024: 0; Dec 2024: 1; Jan 2025: 2; Feb 2025: 3; Mar 2025: 0; Apr 2025: 0; May 2025: 0; Jun 2025: 1; 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: 2; Jun 2026: 1; Jul 2026: 1; Aug 2026: 2; Sep 2026: 4; Oct 2026: 2; Nov 2026: 0.
Sponsor mentions, repeated links and polls are excluded. Credits within editorial items may count. Read the supporting timeline ↓
In The Ultra Minute
Newest first
Published in TUM
Browning reflects on gratitude after TDS
Jeff Browning shared a reflection on happiness, melancholy and gratitude 54 days after his cardiac arrest at TDS. The personal reflection is attributed to his own account; no new family biography or medical inference is added.
Puretz ran 17:24:37 at 43, behind Nilsson’s 2024 masters benchmark of 16:56:52. Browning, explicitly called Bronco Billy, ran 18:03 for the men’s 50–59 record seven weeks after Cocodona.
Jeff Browning described difficult late miles at Cocodona and named Western States as his next race. The first-person debrief and forward plan remain separate from later results.
Jeff Browning withdrew from 2025 Coldwater 100Mile at mile 42 and then targeted a Western States 50-plus age-group record later that year. The plan is not a record achieved.
Event date: 2025 · TUM publication: January 24, 2025
Jeff Browning covered43.7 miles to win Across the Years’ six-hour event, describing it as preparation for Coldwater Rumble100. A completed six-hour result and a later race plan are separate.
TUM highlighted Jeff Garmire’s December guest series with Jeff Mogavero, Jeff Colt, Jeffrey Binney, Jeff Browning andJeff Pelletier. Guest discussion topics do not establish new finishes, coaching or personal relationships.
Puretz ran 17:24:37 at 43, behind Nilsson’s 2024 masters benchmark of 16:56:52. Browning, explicitly called Bronco Billy, ran 18:03 for the men’s 50–59 record seven weeks after Cocodona.
Jeff Browning won LOViT 100 with a reported course record in his 55th career 100-miler, running alone from drop bags. Ashley Nordell was second overall and first woman; Karl Meltzer completed his 88th career 100-miler.
Jamil Coury and filmmaker Dylan Harris discussed the upcoming film The Chase about the 2024 Cocodona 250. TUM identified Michael Versteeg, Joe McConaughy, Mike McKnight, Jeff Browning and Arlen Glick as athlete subjects whose lives and training the film explores.
Gratitude after his TDS cardiac arrestHis October20account reflects on life54days later; the October12hike-jog is a separate dated update, not medical clearance or a return-to-racing announcement. Older2024racing remains historical.Source
2025 LOViT 100
Men’s win; reported course recordTUM called it his 31st 100-mile win in his 55th 100-miler; those are historical career counts.Source
2024 Colorado Trail completion
West-to-east Collegiate West · 7d 9h 35mThe August26 completion report supersedes the August19 start. Support style is unstated; the unbridged Kyle Curtain spelling is not a global alias.Source
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.
The January 2025 live-report distances differ from the organizer’s retained Across the Years index. Interim leads and apparent records are not promoted to final ratified outcomes.
Jeff Browning Undated original public page · Checked Oct 20, 2026
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.
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.
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.
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.
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, 2026-07-03T17:43:51.362Z. Public original captured at 2026-10-20T15:19:10.637Z 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, 2026-06-17T13:19:50.355Z. Public original captured at 2026-10-20T23:50:57.968Z 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, 2026-10-23T17:36:25.389Z. Public original captured at 2026-10-24T18:28:35.677Z and projected to reviewed article text; no publishing-repository text pin is claimed.
Published article, 2026-05-13T04:59:00.000Z. Public original captured at 2026-10-27T16:49:12.849Z 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, 2026-05-08T04:49:23.684Z. Public original captured at 2026-10-27T18:56:10.754Z 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, 2025-06-13T22:47:31.260Z. Public original captured at 2026-10-28T02:39:04.234Z 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, 2025-02-27T23:57:06.237Z. Public original captured at 2026-10-30T03:34:14.161Z 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, 2025-02-21T01:34:56.246Z. Public original captured at 2026-10-30T03:34:14.166Z 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.
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, 2025-02-14T01:10:48.844Z. Public original captured at 2026-10-30T03:34:14.150Z 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.
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, 2025-01-24T23:45:20.036Z. Public original captured at 2026-10-30T05:55:43.605Z 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, 2025-01-02T23:04:55.958Z. Public original captured at 2026-10-30T08:39:44.975Z 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, 2024-12-18T13:31:11.287Z. Public original captured at 2026-10-30T08:39:44.902Z 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, 2024-09-24T20:35:52.322Z. Public original captured at 2026-10-30T12:48:05.877Z 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, 2024-08-26T17:05:13.009Z. Public original captured at 2026-10-30T15:10:54.343Z and projected to reviewed article text; no publishing-repository text pin is claimed.
Published article, 2024-08-19T18:24:00.524Z. Public original captured at 2026-10-30T15:10:54.342Z 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.
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.
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, 2024-07-22T15:36:42.172Z. Public original captured at 2026-10-30T17:04:58.580Z 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.