Race
Biotropika is a backyard running event with a flat course at Biotropika Park in Russia’s Leningrad region. Its continuing event identity is separate from the recognition of any particular edition’s performances; organizer record claims require comparison with the format’s rules and adjudication.
2 TUM reports · Published coverage below
Publication history
2 editorial issues
Distinct issues per publication month. Each issue counts once.
Monthly editorial issue counts: Jul 2024: 0; Aug 2024: 0; Sep 2024: 0; Oct 2024: 0; Nov 2024: 0; Dec 2024: 0; Jan 2025: 0; Feb 2025: 0; Mar 2025: 0; Apr 2025: 0; May 2025: 0; 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: 0; Jul 2026: 1; Aug 2026: 0; Sep 2026: 0; Oct 2026: 1; Nov 2026: 0.
Sponsor mentions, repeated links and polls are excluded. Credits within editorial items may count. Read the supporting timeline ↓
Newest first
Klimov completed 126 hourly loops,39 alone after Laptev stopped at 87. The organizer’s Solo Mode permits solo continuation and on-course support; its event record is not an ordinary backyard world record.
Dmitry Klimov’s 123 yards and Vera Chekalina’s 96 yards were not to be recognized after race video showed noncompetitors accompanying runners. TUM retained Phil Gore’s 119-yard and Sarah Perry’s 95-yard world records. Gore discussed the dispute; Dead Cow Gully argued the rules needed clarification. The performance-recognition decision and commentary remain distinct.
Published performance and record recognition are separate.
Reported 2026-10-26
Klimov completed 126 hourly loops,39 alone after Laptev stopped at 87. The organizer’s Solo Mode permits solo continuation and on-course support; its event record is not an ordinary backyard world record.
TUM · Oct 26, 2026Reported 2026-07-13
Unrecognized performances
The report said Klimov’s 123 yards and Chekalina’s 96 yards would not be recognized after the accompanying-runner video. It reported a rules issue, not a doping sanction.
TUM · Jul 13, 2026Reported 2026-07-13
TUM retained Phil Gore’s 119 yards and Sarah Perry’s 95 yards as the then-standing world records. Their record event and date are not supplied here.
TUM · Jul 13, 2026Reported 2026-07-13
Attributed commentary
Phil Gore discussed the dispute; Dead Cow Gully called for clearer guidance. Those views remain separately attributed.
TUM · Jul 13, 2026Dmitry Klimov · Completed 126 hourly loops, about 845 kilometers, in Biotropika’s Solo Mode; 39 were alone after Laptev stopped at 87. The organizer called it an event record in a format permitting solo continuation and on-course support.
Klimov completed 126 hourly loops,39 alone after Laptev stopped at 87. The organizer’s Solo Mode permits solo continuation and on-course support; its event record is not an ordinary backyard world record.
Source96-yard performance will not be recognized
Vera Chekalina — 96-yard performance will not be recognized. Reported 2026-07-13.
SourceDiscussed the nonrecognition dispute
Phil Gore — Discussed the nonrecognition dispute. Reported 2026-07-13.
SourceCalled for clearer rules around pacing and public access
Dead Cow Gully — Called for clearer rules around pacing and public access. Reported 2026-07-13.
SourceFacts 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.
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.
Published article, 2026-07-13T12:28:17Z. Archived published text is pinned to canonical main 002146376c24.
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, 2026-10-26T20:52:03.372Z. Public original captured at 2026-10-26T20:55:46.170Z and projected to reviewed article text; no publishing-repository text pin is claimed.
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.
