Demonstration data

Every figure on this site is deterministic demonstration data. It is not a live source, not a forecast, and not a recommendation. No wagering market is connected, and nothing here should be acted on.

4. Tokyo Race 4 (demonstration)

Tokyo, Japan Racing Association. Set weights, Open, 2400m. Times labelled "your time" are shown in UTC. This is a default, not a detection — no timezone has been set for this browser, and none has been inferred.

Source unavailable3 of 12 evidence familiesNot published

Race overview

The conditions this race is run under. Every value is as the source published it; converted values keep the original alongside.

Meeting: Tokyo
Course: Tokyo
Region: JPN — Japan
Jurisdiction: Japan Racing Association
Race number: 4
Race code: Listed
Grade: Ungraded, or no grade is published by this jurisdiction.
Class: Open
Type: Set weights
Discipline: thoroughbred
Surface: turf
Going: Firm
Distance: 2400m (2400m canonical)
Status: Scheduled
Field size: 14
Purse: JPY 14,000,000
Age restriction: Three years old and upwards
Sex restriction: No sex restriction is published.
Handicap conditions: Not a handicap, or the conditions are unpublished.
Weight conditions: No weight conditions are published for this race.
Source family: core

Scheduled time

The course timezone is known and the instant is unambiguous.

As published by the source: 13:30
Course local: 17:00 GMT+9
Your time: 08:00 UTC
UTC: 08:00
Scheduled time last updated: 2026-08-01T04:04:00.000Z

Field (14)

Every declared runner, plus non-runners, reserves and emergencies — all retained rather than filtered out, and each marked with its status.

The complete field, with saddle cloth, barrier, weight, connections, run style, status and evidence coverage
No.	Runner	Barrier	Weight	Jockey	Trainer	Run style	Status	Evidence
1	Meridian Drift	1	57.0kg	A. Berhane	H. Mengesha	Hold-up	Declared	4 of 12 evidence families. Unavailable: Stewards reports, Barrier trials and jump-outs, Sectional times, Pedigree, Jockey record, Weight and handicap, Form history, Trainer record.
2	Quiet Arithmetic	2	59.0kg	Not engaged	E. Rothwell & Sons	Midfield	Non-runner	2 of 12 evidence families. Unavailable: Going history, Sectional times, Pedigree, Track bias measurements, Stewards reports, Barrier trials and jump-outs, Form history, Market observations, Weight and handicap, Course configuration.
3	O'Callaghan's Reckoning	3	52.0kg	K. Nakamura	Y. Takahashi	Leader	Declared	3 of 12 evidence families. Unavailable: Stewards reports, Pedigree, Form history, Market observations, Barrier trials and jump-outs, Track bias measurements, Trainer record, Jockey record, Going history.
4	Ná Fionnuisce	4	56.5kg	R. O'Dwyer	B. Ní Chonaill	Midfield	Declared	3 of 12 evidence families. Unavailable: Trainer record, Stewards reports, Track bias measurements, Jockey record, Form history, Sectional times, Barrier trials and jump-outs, Pedigree, Going history.
5	Vale	5	54.0kg	T. Mokoena	G. Vandermeer	Hold-up	Declared	4 of 12 evidence families. Unavailable: Barrier trials and jump-outs, Market observations, Trainer record, Sectional times, Course configuration, Weight and handicap, Going history, Track bias measurements.
6	Considerable Uncertainty	6	55.0kg	L. Beaumont	W. Sithole	Leader	Declared	3 of 12 evidence families. Unavailable: Weight and handicap, Jockey record, Track bias measurements, Barrier trials and jump-outs, Trainer record, Pedigree, Sectional times, Going history, Form history.
7	Half-Light Amendment	7	58.5kg	S. Ó Riain	F. Marchetti	Leader	Declared	2 of 12 evidence families. Unavailable: Pedigree, Jockey record, Sectional times, Market observations, Barrier trials and jump-outs, Track bias measurements, Course configuration, Trainer record, Going history, Weight and handicap.
8	Bâtiment Rouge	8	53.5kg	J. Whitcombe	A. Cardoso	Hold-up	Declared	2 of 12 evidence families. Unavailable: Pedigree, Going history, Trainer record, Form history, Barrier trials and jump-outs, Weight and handicap, Market observations, Jockey record, Track bias measurements, Stewards reports.
9	The Longest Possible Name In This Field	9	57.0kg	P. Delacroix	I. Petrov-Hale	Midfield	Declared	3 of 12 evidence families. Unavailable: Jockey record, Pedigree, Market observations, Sectional times, Barrier trials and jump-outs, Stewards reports, Weight and handicap, Track bias measurements, Course configuration.
10	Sable Interval	10	56.0kg	N. Ihaka	O. Brennan	On-pace	Declared	2 of 12 evidence families. Unavailable: Weight and handicap, Course configuration, Jockey record, Track bias measurements, Trainer record, Market observations, Stewards reports, Barrier trials and jump-outs, Sectional times, Form history.
11	Kōwhai Ascendant	11	58.5kg	C. Almeida	H. Mengesha	Midfield	Declared	3 of 12 evidence families. Unavailable: Weight and handicap, Form history, Jockey record, Stewards reports, Pedigree, Market observations, Trainer record, Sectional times, Course configuration.
12	Provisional Finding	Not allotted	53.0kg	D. Vasquez	E. Rothwell & Sons	Midfield	Emergency	2 of 12 evidence families. Unavailable: Form history, Sectional times, Market observations, Trainer record, Pedigree, Barrier trials and jump-outs, Going history, Course configuration, Stewards reports, Weight and handicap.
13	Marginal Utility	Not allotted	57.0kg	A. Berhane	Y. Takahashi	Midfield	Reserve	3 of 12 evidence families. Unavailable: Stewards reports, Trainer record, Track bias measurements, Jockey record, Market observations, Course configuration, Weight and handicap, Going history, Pedigree.
14	Sixpenny Ledger	14	54.0kg	M. Fitzgerald-Osei	B. Ní Chonaill	Midfield	Declared	4 of 12 evidence families. Unavailable: Track bias measurements, Barrier trials and jump-outs, Stewards reports, Trainer record, Form history, Market observations, Course configuration, Going history.

1. Meridian Drift

Barrier: 1
Weight: 57.0kg
Jockey: A. Berhane
Trainer: H. Mengesha
Run style: Hold-up
Status: Declared
Equipment: Tongue tie

Insufficient evidence4 of 12 evidence families

2. Quiet Arithmetic

Barrier: 2
Weight: 59.0kg
Jockey: No rider is engaged.
Trainer: E. Rothwell & Sons
Run style: Midfield
Status: Non-runner
Equipment: Cross-over noseband

Insufficient evidence2 of 12 evidence families

3. O'Callaghan's Reckoning

Barrier: 3
Weight: 52.0kg
Jockey: K. Nakamura
Trainer: Y. Takahashi
Run style: Leader
Status: Declared
Equipment: No gear change or equipment is published.

Insufficient evidence3 of 12 evidence families

4. Ná Fionnuisce

Barrier: 4
Weight: 56.5kg
Jockey: R. O'Dwyer
Trainer: B. Ní Chonaill
Run style: Midfield
Status: Declared
Equipment: No gear change or equipment is published.

Insufficient evidence3 of 12 evidence families

5. Vale

Barrier: 5
Weight: 54.0kg
Jockey: T. Mokoena
Trainer: G. Vandermeer
Run style: Hold-up
Status: Declared
Equipment: No gear change or equipment is published.

Insufficient evidence4 of 12 evidence families

6. Considerable Uncertainty

Barrier: 6
Weight: 55.0kg
Jockey: L. Beaumont
Trainer: W. Sithole
Run style: Leader
Status: Declared
Equipment: No gear change or equipment is published.

Insufficient evidence3 of 12 evidence families

7. Half-Light Amendment

Barrier: 7
Weight: 58.5kg
Jockey: S. Ó Riain
Trainer: F. Marchetti
Run style: Leader
Status: Declared
Equipment: No gear change or equipment is published.

Insufficient evidence2 of 12 evidence families

8. Bâtiment Rouge

Barrier: 8
Weight: 53.5kg
Jockey: J. Whitcombe
Trainer: A. Cardoso
Run style: Hold-up
Status: Declared
Equipment: No gear change or equipment is published.

Insufficient evidence2 of 12 evidence families

9. The Longest Possible Name In This Field

Barrier: 9
Weight: 57.0kg
Jockey: P. Delacroix
Trainer: I. Petrov-Hale
Run style: Midfield
Status: Declared
Equipment: No gear change or equipment is published.

Insufficient evidence3 of 12 evidence families

10. Sable Interval

Barrier: 10
Weight: 56.0kg
Jockey: N. Ihaka
Trainer: O. Brennan
Run style: On-pace
Status: Declared
Equipment: Bar plates

Insufficient evidence2 of 12 evidence families

11. Kōwhai Ascendant

Barrier: 11
Weight: 58.5kg
Jockey: C. Almeida
Trainer: H. Mengesha
Run style: Midfield
Status: Declared
Equipment: No gear change or equipment is published.

Insufficient evidence3 of 12 evidence families

12. Provisional Finding

Barrier: Not allotted — reserves and emergencies have no barrier until they gain a run.
Weight: 53.0kg
Jockey: D. Vasquez
Trainer: E. Rothwell & Sons
Run style: Midfield
Status: Emergency
Equipment: No gear change or equipment is published.

Insufficient evidence2 of 12 evidence families

13. Marginal Utility

Barrier: Not allotted — reserves and emergencies have no barrier until they gain a run.
Weight: 57.0kg
Jockey: A. Berhane
Trainer: Y. Takahashi
Run style: Midfield
Status: Reserve
Equipment: No gear change or equipment is published.

Insufficient evidence3 of 12 evidence families

14. Sixpenny Ledger

Barrier: 14
Weight: 54.0kg
Jockey: M. Fitzgerald-Osei
Trainer: B. Ní Chonaill
Run style: Midfield
Status: Declared
Equipment: No gear change or equipment is published.

Insufficient evidence4 of 12 evidence families

3 of 14 listed are not a declared starter. They are retained above with their status shown, because a field with its non-runners removed reads as a smaller race than the one that was carded.

Research areas

Each area below states whether it holds demonstration data or is not yet available, and which task delivers it. Nothing here is a selection, a recommendation, a forecast or a certainty claim.

Projected pace and race shape

Demonstration data

Not available yet

Pace Research requires the research role. This capability arrives with Task 004.

Owning task: 004 — Pace Research.
Module version 0.1.0, feature state "mock".
The interface, contracts and extension point exist. Nothing is computed, so nothing is shown — an empty version of this area would be indistinguishable from one whose values happened to be missing.

Career DNA across the field

Demonstration data

Not available yet

Career DNA requires the research role. This capability arrives with Task 003.

Owning task: 003 — Career DNA.
Module version 0.1.0, feature state "mock".
The interface, contracts and extension point exist. Nothing is computed, so nothing is shown — an empty version of this area would be indistinguishable from one whose values happened to be missing.

Course, distance and condition research

Demonstration data

Not available yet

Requires evidence that is unavailable here: Course configuration, Going history, Track bias measurements. This capability arrives with Task 004.

Owning task: 004 — Course Research.
Module version 0.1.0, feature state "mock".
The interface, contracts and extension point exist. Nothing is computed, so nothing is shown — an empty version of this area would be indistinguishable from one whose values happened to be missing.

Probability distribution and uncertainty intervals

Design ready

Not available yet

Surfaces inside the race workspace rather than owning a route. No model exists to produce an opinion. This capability arrives with Task 005.

Owning task: 005 — Council and Probability Engine.
Module version 0.1.0, feature state "design-ready".
The interface, contracts and extension point exist. Nothing is computed, so nothing is shown — an empty version of this area would be indistinguishable from one whose values happened to be missing.

Council and model disagreement

Design ready

Not available yet

Surfaces inside the race workspace rather than owning a route. No model exists to produce an opinion. This capability arrives with Task 005.

Owning task: 005 — Council and Probability Engine.
Module version 0.1.0, feature state "design-ready".
The interface, contracts and extension point exist. Nothing is computed, so nothing is shown — an empty version of this area would be indistinguishable from one whose values happened to be missing.

Formula contributions

Design ready

Not available yet

Formula Engine requires the research role. This capability arrives with Task 002.

Owning task: 002 — Formula Engine.
Module version 0.1.0, feature state "design-ready".
The interface, contracts and extension point exist. Nothing is computed, so nothing is shown — an empty version of this area would be indistinguishable from one whose values happened to be missing.

Publication Confidence

Design ready

Not available yet

Publication Confidence requires the admin role. This capability arrives with Task 006.

Owning task: 006 — Publication Confidence.
Module version 0.1.0, feature state "design-ready".
The interface, contracts and extension point exist. Nothing is computed, so nothing is shown — an empty version of this area would be indistinguishable from one whose values happened to be missing.

Market Comparison Research

Demonstration data

Not available yet

Market Comparison Research requires the research role. This capability arrives with Task 007.

Owning task: 007 — Market Comparison Research.
Module version 0.1.0, feature state "mock".
The interface, contracts and extension point exist. Nothing is computed, so nothing is shown — an empty version of this area would be indistinguishable from one whose values happened to be missing.

Anomaly Explorer

Demonstration data

Not available yet

Anomaly Explorer requires the research role. This capability arrives with Task 008.

Owning task: 008 — Anomaly Explorer.
Module version 0.1.0, feature state "mock".
The interface, contracts and extension point exist. Nothing is computed, so nothing is shown — an empty version of this area would be indistinguishable from one whose values happened to be missing.

Similar historical races

Design ready

Not available yet

Model Evaluation requires the research role. This capability arrives with Task 009.

Owning task: 009 — Model Evaluation.
Module version 0.1.0, feature state "design-ready".
The interface, contracts and extension point exist. Nothing is computed, so nothing is shown — an empty version of this area would be indistinguishable from one whose values happened to be missing.

Missing evidence for this race

Named rather than counted. Which families are absent usually matters more than how many.

Stewards reports
Market observations
Course configuration
Going history
Pedigree
Jockey record
Trainer record
Weight and handicap
Track bias measurements

Result and correction history

Corrections are appended, never applied by overwriting. The original placing is retained beside any amendment.

No result

This race is scheduled. No result exists, and none is implied by the absence of one — a blank result table would be indistinguishable from a race that produced no finishers.

Model limitations

Stated plainly rather than buried.

No model exists. Task 000 builds the interface, contracts and extension points; Tasks 002 through 009 build what fills them.
Every figure on this page is deterministic demonstration data. It is not a live source, not a forecast, and not a recommendation.
Evidence coverage is a statement about what was available, not about how good it is. A race with twelve of twelve families available may still rest on thin samples within them.
Nothing in this system produces a selection, a staking instruction, a personalised wagering direction or a certainty claim, and model limitations records what has and has not been demonstrated.

Evidence and provenance

What this page rests on, what was unavailable when it was assembled, and how old the underlying data is.

Evidence coverage

Coverage is reported for the race as a whole; individual runners differ and each states its own on its profile. 3 of 12 evidence families were available. Every family is listed, present or not: a list containing only what was available would be indistinguishable from a complete one. Nothing missing has been substituted, imputed or counted as zero.

Form history
Sectional times
Barrier trials and jump-outs
Stewards reports. Unavailable.
Market observations. Unavailable.
Course configuration. Unavailable.
Going history. Unavailable.
Pedigree. Unavailable.
Jockey record. Unavailable.
Trainer record. Unavailable.
Weight and handicap. Unavailable.
Track bias measurements. Unavailable.

Provenance

When this answer was assembled, and how old the underlying data was when it was. These are separate facts, and showing only the first would let a cached response read as current.

Source: Deterministic demonstration data. Not a live source.
Answer assembled: 2026-08-01T04:30:00.000Z
Underlying data last updated: 2026-08-01T04:24:00.000Z — 6 minutes old
Data state: Source unavailable. The source could not be reached. The failure is recorded with its reason.

Regions excluded from this answer, each with the recorded reason. An excluded region is a fact about coverage, not an empty space:

Singapore — The upstream source returned repeated 504 responses. Three retries were exhausted; the region is recorded as failed with its reason rather than silently omitted. Nothing is shown for it, because nothing was retrieved.
Korea — No fixtures scheduled for this date. The region was attempted and returned an empty set — this is an absence of racing, not a failure to look, and the two are recorded differently.
India — No entitled source family serves this region. The endpoints are registered and are never called, so no attempt was made — which is different again from an attempt that returned nothing.