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2026 Season — Live now
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Results  ·  Setup  ·  Events  ·  Engine

The operating system of UK karting. Live results, lap times, session setup sheets, engine management and events — all in one platform, built for the paddock.

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BKC 2026 · Round 5 · Final A
Live
1J. Harrison1:04.312—
2B. Kowalski1:04.587+0.275
3F. Dubois1:04.891+0.579
4L. Okafor1:05.014+0.702
7R. Singh (You)1:05.203+0.891
kOS
847 / 1000
Performance Score
↑ +14 this round
7+
Series
28+
Events
UK#1
Coverage
British Karting Championship · Super One Series · RMC UK Championship · Kartmasters GP · IAME X30 UK · Rotax Max Challenge · MSA British Kart Championship · Junior Rotax · Cadet Class · British Karting Championship · Super One Series · RMC UK Championship · Kartmasters GP · IAME X30 UK · Rotax Max Challenge · MSA British Kart Championship · Junior Rotax · Cadet Class ·
Live Results

Race data,
the moment it's live

Direct from Alpha Timing
The same feed the marshals use — no delay, no social posts, no PDFs.
Your driver, always highlighted
Set your driver once. They're pinned in red across every session automatically.
Lap times & sector data
Every lap, every sector. Compare pace across drivers, rounds and circuits.
View live results
BKC 2026 · Round 5
PFI CIRCUIT · FINAL A
LIVE
Updated just now
1
J. Harrison
SENIOR ROTAX
1:04.312
—
2
B. Kowalski
SENIOR ROTAX
1:04.587
+0.275
3
F. Dubois
SENIOR ROTAX
1:04.891
+0.579
4
L. Okafor
SENIOR ROTAX
1:05.014
+0.702
7
R. Singh (You)
SENIOR ROTAX
1:05.203
+0.891
8
A. Williams
SENIOR ROTAX
1:05.288
+0.976
Session Pace
53.64
YOUR BEST
53.54
SESSION BEST
+0.10
GAP
50
FIELD
Edit Session 1
TESTING · DAMP
Save
Dry
Damp
Wet
Chassis
Front Width
2 mm
Rear Width
2 mm
Castor L
1 Dot
Castor R
1 Dot
Camber L
0 °
Camber R
0 °
Axle Type
Medium
Front Bar
Flat
Gearing
Front Teeth
12
Rear Teeth
82
Gear Ratio 6.833
Tyres
FL (PSI)
9.8
FR (PSI)
8.7
RL (PSI)
8.1
RR (PSI)
8.3
Result
Best Lap Time
1:02.23
Session Setup

Every setup,
logged and compared

Full chassis & tyre records
Log front/rear width, castor, camber, axle, tyre pressures and compound for every session.
Carburation & jetting
Record main jet, needle clip, air screw and mixture feeling alongside weather conditions so you can replicate winning setups.
Gear ratio calculator built in
Enter sprocket sizes and the ratio is calculated live. Compare gearing choices across circuits instantly.
Log your setup
Jetting Calculator

Right jetting,
every session

Weather-based calculation
Enter temperature, humidity, pressure and altitude. KartOS calculates the optimal main jet, needle clip and air screw.
GPS auto-fill
Tap GPS and weather conditions pull in automatically from your current location — no manual entry at the circuit.
Air density & RAD%
Full air density output in kg/m³ alongside RAD% so you can compare directly with engine builder baselines.
Calculate jetting
Jetting
RAD %
Weather
Weather Conditions ● GPS
Temp
14.5 °C
Pressure
1020.3 hPa
Humidity
92 %
Altitude
0 m
Baseline Settings Save
Base Main Jet
127
Base Needle Clip
4
Base Air Screw
1.5 turns
Jet Bias
0
⊞ Calculate
Results
127
Main Jet
4
Needle Clip
1.51 t
Air Screw
RAD %
100.3
Air Density
1.2287 kg/m³
Events
All
BKC
SuperOne
RMC UKC
RMC Euro
Rotax British Kart Championship Round 1
British Kart Champ.
📅 9–11 Apr 📍 Warden Law
›
The Kart Championship BKC/CKC/JKC Round 2
Kart Champ. BKC/CKC/JKC
📅 18–19 Apr 📍 P.F.I.
›
The Kart Championship BKC/CKC/JKC Round 2
Kart Champ. BKC/CKC/JKC
Date
18–19 Apr
Circuit
P.F.I.
Location
Brandon, Grantham, Lincolnshire NG32 2AY
Organiser
The Kart Championship
Enter Online
Entry List
RMC Euro Trophy Round 2
RMC Euro Trophy
📅 29 Apr–1 May 📍 Wackersdorf
›
Events

Every round,
every circuit

28 events, 7 series
The full 2026 UK karting calendar in one place — BKC, Super One, RMC, IAME X30, Kartmasters and more.
Entry, results and live timing
Direct links to enter online, view the entry list and access live timing — all from the event card.
Club entries too
Search clubs by region — Midlands, South East, Wales, Scotland and more. See classes, timing provider and entry links.
View all events
Engine & Performance

Know your engine,
know your score

Engine hour tracking
Log total hours, hours since last rebuild and rebuild history. Know exactly when your engine is due.
Components & dyno data
Track cylinder numbers, build specs, components and dyno runs against each engine. Multiple engines, fully managed.
kOS score — your driver rating
KartOS calculates your proprietary performance score from consistency, pace and results. Track it across every session.
Track your engine
123456
Senior · Cyl: ABC1234
Overview
Components
Rebuilds
Dyno
10.0
Current hrs
0.0
Since rebuild
10.0
Last rebuild at
Engine Number123456
Cylinder NumberABC1234
ClassSenior
StatusActive
Build SpecRace ready
kOS
Score
Recalculate
83 / 100
Elite · P17 of 64
Consistency (40%)
77
Pace (20%)
85
Race Result (10%)
65
⊞ Full Breakdown & Tips
Weather
Now
Today
Radar
Rain likely within the next 30–60 min (55% chance)
15.0°C
Drizzle
Feels like 11.5°C
92%
Humidity
1020 hPa
Pressure
8 km/h
Wind
Radar · PFI Circuit Area
Windy.com
Weather

Paddock weather,
radar included

Rain alerts at the circuit
Get ahead of the weather with rain probability alerts — know whether to fit wets before the session begins.
Live radar for the circuit area
Full Windy radar map centred on your event location — see what's incoming before it arrives.
Feeds directly into jetting
Weather data flows straight into the jetting calculator — tap GPS and your conditions are set automatically.
Check the weather
Supported series

UK karting
covered

Every major UK series, all in one place. From British Karting Championship through to Rotax Max Grand Finals.

View all series
01
British Karting Championship
02
Super One Series
03
RMC UK Championship
04
Kartmasters Grand Prix
05
IAME X30 UK
06
Rotax Max Challenge UK
07
MSA British Kart Championship
KARTOS

The operating
system of karting.

Join the drivers, parents and teams already using KartOS to run their 2026 season.

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