Carrier profile · USDOT 184033 · MC-1662672 · Updated Jun 13, 2026

Marathon Mail Service Inc

DBA MARATHON MAIL SERVICE

78 power unitsLocal · 1 statesWAUSAU, WI87/100
CARRIER ACTIVEMC-1662672 ACTIVERATED SATISFACTORY
Verified linksFMCSA SAFER

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 25.0%24-mo cumulative
050%nat'l 22.26%
Driver OOS 0.0%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 4 vehicle and 5 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

16.7% · latest 6-mo window

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. More resolved windows are needed to establish a trend. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

5 inspections in the charted months · busiest month Aug '25 · 2

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Thin coverage
Under-inspected
Expected
Well-monitored
Heavily inspected
≈0.0 / unit·yr
thin signalabundant signal
Few roadside inspections for a 78-unit fleet — the out-of-service and violation signals above rest on a small sample, so weight them cautiously. Thin coverage on a young authority is itself a flag.
Registered power units
78
Inspections · 24 mo
5
Annualized
≈3 / yr
Coverage
≈0.0 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

1%
Unsafe Driving
Vektor peer est.
Hours-of-Service
0violations
clean · per-BASIC
Driver Fitness
0violations
clean · per-BASIC
Controlled Substances
0violations
clean · per-BASIC
66%
Vehicle Maintenance
Vektor peer est.

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance3 · 3 OOS
  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving2 · 0 OOS
  • 393.55 Antilock brake system (ABS)Vehicle Maintenance1 · 0 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance1 · 0 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance1 · 0 OOS
  • 392.14 Failure to use hazard warning / adverse conditionsUnsafe Driving1 · 0 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance1 · 1 OOS
  • 393.207 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 1 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 7 inspections — a clean logging history.

Crash history· 25 total · 5 in 24 mo

25
Total crashes
5
In last 24 mo
0
Fatal
11
Injury
YearCrashesFatalInjuryTow
20261001
20252012
20243023
20221001
20202022
20191011
20181001
20172022
20162002
20141001
20111010
20082012
20071011
20041001
20031001
20011001
19991001
19971001
DateStateFatalitiesInjuriesTow-away
Mar 18, 2026WI00Yes
Dec 29, 2025WI00Yes
Nov 18, 2025WI01Yes
Nov 29, 2024WI01Yes
Aug 15, 2024WI03Yes
Feb 15, 2024WI00Yes
Feb 10, 2022WI00Yes
Oct 20, 2020WI01Yes
Jul 29, 2020WI01Yes
Feb 24, 2019WI02Yes
May 31, 2018WI00Yes
Oct 6, 2017WI02Yes
Jun 28, 2017WI01Yes
Sep 27, 2016WI00Yes
Mar 18, 2016WI00Yes
Jan 27, 2014WI00Yes
Jun 29, 2011WI01No
May 14, 2008WI02Yes
Jan 18, 2008WI00Yes
Mar 2, 2007WI02Yes
Mar 5, 2004WI00Yes
Apr 16, 2003WI00Yes
Dec 22, 2001WI00Yes
Apr 16, 1999WI00Yes
Feb 4, 1997WI00Yes