Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management

Jacquelyn Crook

Bib: 14031FAge: 47

Chesapeake, VA

Shamrock Marathon - 8K logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 6563
Top 21%
Gender (Female)
#0 / 4101
Top 13%
Masters (Masters Women)
#0 / 2171
Top 9%
Age Group (F45-49)
Official
#0 / 431
Calculated (F45-49)
#0 / 431
Top 9%
Race Day Weather
62°/52°F
few clouds
Personalized for Jacquelyn

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 9:39/mi at mile 4.0

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · Shareable report

Timing Data Quality

0.0%Poor
0.0% Complete~100.0% Missed/Estimated

Across 2 intermediate timing checkpoints

Passing stats, segment rankings, and position data on this page use estimated times and may not reflect actual race positions.

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
19:18
2.00 mi
Rank: #1367
Start2M
19:18 | 9:40/mi
4M
38:37
4.00 mi
Rank: #1367
2M4M
19:18 | 9:40/mi
Finish
47:59
4.97 mi
Rank: #1367
4MFinish
9:22 | 9:40/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:54:0319:189:4019:18
9:40
-
4M
4.00 mi08:13:2138:379:4019:18
9:40
0:00
Finish
4.97 mi08:22:4447:599:409:22
9:40
0:00

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:40 /mi

Average Pace

9:39 /mi

Slowest Pace

9:40 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

47:59

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:39 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi1.2mi2.5mi3.7mi5.0mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi07:54:0319:189:4019:18
9:40
#1367
4M
4.00 mi08:13:2138:379:4019:18
9:40
#1367
Finish
4.97 mi08:22:4447:599:409:22
9:40
#1367
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
2M2.00 mi2.00 mi1367539401367(Top 21%)539(Top 13%)40(Top 9%)
4M4.00 mi2.00 mi1367539401367(Top 21%)539(Top 13%)40(Top 9%)
Finish4.97 mi0.97 mi1367539401367(Top 21%)539(Top 13%)40(Top 9%)

Segment Performance Analysis

Start → 2M

0.0 - 2.0 mi

Top 21%
×3
+37ft-15ft

Overall

1367

Females

539

F45-49

40

2M→4M

2.0 - 4.0 mi

Top 21%
×2
+12ft-21ft

Overall

1367

Females

539

F45-49

40

4M→Finish

4.0 - 5.0 mi

Top 21%
×2
+7ft-13ft

Overall

1367

Females

539

F45-49

40

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
0
Passed By
0
Net Change
0
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1367
2M4M000#1367#1367
4MFinish000#1367#1367
TOTALS000
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

No passing activity recorded.

🌊Position Flow

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🏃Race Lanes

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Finisher Certificate

Download and share your official race completion certificate

🏆 Finisher Certificate
Download or share your official race finisher certificate
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Your certificate is generated on-demand and can be shared on social media or saved for your records

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

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