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Oulton Park FIA F4 iRacing Track Guide: Official Baseline Data

Oct 8
6 min read

This track guide is built from the exact Valor Official Baseline for Oulton Park International in the FIA F4 car. Values come from the September 28, 2026 baseline pack's canonical CSV, reviewed corner map, and turn profiles—not invented braking boards or reconstructed internet lap data. The CSV records speed, brake, throttle, steering, gear, RPM and position. Speed has been converted from m/s to mph, and braking is the 0–100% telemetry channel. Turn numbers are Valor map segments for this exact layout and may differ from circuit promoter numbering. Track conditions, tyres, setup and fuel change the best targets; treat these measurements as a reference, not a universal prescription.

Baseline snapshot

  • Exact car/track combination: FIA F4 — Oulton Park Circuit, International

  • Valor-reviewed mapped turns: 17

  • Brake-positive mapped segments: 8 of 17 (recorded peak brake above 0%; includes light modulation)

  • Recorded reference maximum speed: approximately 130.4 mph

  • Telemetry-integrated reference time: approximately 1:33.77

  • Turn-profile confidence average: 98.8/100

  • Recorded samples: 5,641

The telemetry-integrated time is estimated from the supplied position and speed trace because the baseline CSV has no official simulator lap-clock channel. It is not a verified iRacing session result.

Why this FIA F4 guide is relevant

The FIA F4 Challenge Fixed schedule visits Oulton Park International from October 13, 2026 (2026 Season 4, Week 5). The guide remains useful for the same car and layout outside that race week.

What the baseline says about Oulton Park in FIA F4

Oulton is an exercise in selective braking. The supplied F4 trace reaches approximately 130.4 mph, but many fast and linking elements show no meaningful brake application. Over-braking the flow corners can erase speed before the next heavy stop even begins.

The decisive slowdowns cluster at Valor-mapped Turn 5 (128.7 to 64.3 mph, 71.2% peak brake), Turn 8 (109.0 to 64.5 mph, 68.8%), Turn 10 (120.0 to 66.1 mph, 89.2%) and Turn 16 (127.4 to 69.8 mph, 78.5%). Turn 10 has the highest peak brake, but Turn 5 records the largest drop between mapped-section start speed and corner minimum.

Turns 10 and 11 share a braking/rotation sequence in the reviewed Valor map. Turn 11 carries a boundary warning: its mapped window begins after the brake event has started. Compare that sequence as a whole rather than treating the smaller Turn 11 pressure value as an independent full stop.

Turn-by-turn baseline guide

Turn 1 — right. The reference starts this mapped section around 122.2 mph, reaches about 100.5 mph in gear 4, and exits around 106.6 mph. Peak recorded brake is 32.4%. The trace contains a meaningful brake event. A moderate brake-and-release corner; judge the steering and acceleration after the speed reduction.

Turn 2 — right. The reference starts this mapped section around 117.7 mph, reaches about 118.6 mph in gear 5, and exits around 123.9 mph. Peak recorded brake is 0.0%. The baseline has no meaningful brake input within this mapped segment. The reference uses no meaningful brake; prioritise line continuity and the exit.

Turn 3 — left. The reference starts this mapped section around 124.6 mph, reaches about 102.8 mph in gear 4, and exits around 109.7 mph. Peak recorded brake is 42.7%. The trace contains a meaningful brake event. A clear speed-management event. Compare brake release with rotation before asking for more entry speed.

Turn 4 — left. The reference starts this mapped section around 127.5 mph, reaches about 128.5 mph in gear 5, and exits around 128.7 mph. Peak recorded brake is 0.0%. The baseline has no meaningful brake input within this mapped segment. A fast linking element. Do not invent a heavy braking marker absent from this trace.

Turn 5 — right. The reference starts this mapped section around 128.7 mph, reaches about 64.3 mph in gear 2, and exits around 90.4 mph. Peak recorded brake is 71.2%. This is a major braking event. One of the lap's biggest slowdowns. Keep the car settled through release before chasing early power.

Turn 6 — right. The reference starts this mapped section around 94.5 mph, reaches about 94.5 mph in gear 4, and exits around 105.1 mph. Peak recorded brake is 0.0%. The baseline has no meaningful brake input within this mapped segment. The baseline is effectively unbraked; a clean approach makes the next direction change easier.

Turn 7 — left. The reference starts this mapped section around 105.3 mph, reaches about 105.3 mph in gear 4, and exits around 109.4 mph. Peak recorded brake is 0.0%. The baseline has no meaningful brake input within this mapped segment. Another flow element; avoid creating corrective steering from an overdriven preceding line.

Turn 8 — right. The reference starts this mapped section around 109.0 mph, reaches about 64.5 mph in gear 2, and exits around 72.0 mph. Peak recorded brake is 68.8%. This is a major braking event. Heavy deceleration feeds a technical sequence. Exit positioning matters more than a heroic entry.

Turn 9 — left. The reference starts this mapped section around 72.3 mph, reaches about 74.0 mph in gear 3, and exits around 86.8 mph. Peak recorded brake is 0.0%. The baseline has no meaningful brake input within this mapped segment. A linked transition. Preserve exit trajectory instead of treating this as a stand-alone braking zone.

Turn 10 — right. The reference starts this mapped section around 120.0 mph, reaches about 66.1 mph in gear 3, and exits around 66.1 mph. Peak recorded brake is 89.2%. This is a major braking event. The strongest recorded brake peak. Full throttle is not identified within this mapped segment; review the connected next turn.

Turn 11 — left. The reference starts this mapped section around 66.3 mph, reaches about 61.2 mph in gear 2, and exits around 62.0 mph. Peak recorded brake is 15.2%. The trace contains a meaningful brake event. This map segment starts after braking is under way. Analyse with Turn 10, not as an isolated braking event.

Turn 12 — right. The reference starts this mapped section around 75.0 mph, reaches about 74.9 mph in gear 3, and exits around 86.6 mph. Peak recorded brake is 0.0%. The baseline has no meaningful brake input within this mapped segment. A low-brake continuation where smooth acceleration and available road width matter.

Turn 13 — left. The reference starts this mapped section around 101.7 mph, reaches about 103.2 mph in gear 4, and exits around 113.2 mph. Peak recorded brake is 0.0%. The baseline has no meaningful brake input within this mapped segment. The reference has no meaningful braking event. Compare line and momentum rather than peak brake.

Turn 14 — left. The reference starts this mapped section around 119.7 mph, reaches about 119.7 mph in gear 5, and exits around 124.1 mph. Peak recorded brake is 0.0%. The baseline has no meaningful brake input within this mapped segment. Another fast section; speed preservation is the primary reference.

Turn 15 — right. The reference starts this mapped section around 123.9 mph, reaches about 103.4 mph in gear 4, and exits around 114.6 mph. Peak recorded brake is 23.6%. The trace contains a meaningful brake event. Light-to-moderate speed management. An early, tidy release reduces mid-corner correction.

Turn 16 — right. The reference starts this mapped section around 127.4 mph, reaches about 69.8 mph in gear 3, and exits around 86.8 mph. Peak recorded brake is 78.5%. This is a major braking event. The last major stop in this map; evaluate the exit before the following linked left.

Turn 17 — left. The reference starts this mapped section around 91.7 mph, reaches about 93.2 mph in gear 4, and exits around 108.3 mph. Peak recorded brake is 0.0%. The baseline has no meaningful brake input within this mapped segment. The reference returns to momentum driving. Protect the acceleration phase onto the next stretch.

How to use this guide with Valor

Begin at mapped Turns 5, 8, 10 and 16. Compare brake onset, peak pressure, release location, minimum speed and the first sustainable power application, in that order. A weak exit after a normal minimum speed usually points to rotation or release timing, not necessarily a later braking opportunity.

Next inspect the unbraked links, especially Turns 2, 4, 6–7, 12–14 and 17. A brake trace where this particular reference is flat can indicate excess steering demand or a compromised previous exit. In Valor, focus on the first stage that creates the loss rather than the later point where the delta becomes visible.

Data basis and interpretation

Source: Valor Baseline Data Pack 2026.09.28.1; exact combo oultoninternational_international_formulair04. The profile minimum, peak brake and corner window are from Valor's reviewed turn profiles. Mapped segment entry/exit speed and gear at the minimum are read from the raw sample trace. Some complex turns and overlaps in the reviewed map have boundary/validation warnings; treat closely grouped turns as a sequence. Exact target speeds and gears can shift with conditions. This content is an educational baseline comparison, not live personalised coaching.

Further reading on Valor: How to Analyze iRacing Telemetry and Actually Find Lap Time; What Telemetry Baselines Actually Tell You in Sim Racing.

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