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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON HALF 2025

Shayleen Petree

Bib: 8906 •F •Age: 24

Amherst, VA

Shamrock Marathon - Half logo
0:00
0:00
/ mi
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Overall
#0 / 5662
Gender (Female)
#0 / 3242
Age Group (F20-24)
Official
#0 / 345
Calculated (F20-24)
#0 / 345
Race Day Weather
71°/61°F
overcast clouds

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
5K
43:35
3.11 mi
Rank: #5216
Start → 5K
43:35 | 14:02/mi
10K
1:31:53
6.21 mi
Rank: #5300 (-84)
5K → 10K
48:18 | 15:33/mi
15K
2:19:44
9.32 mi
Rank: #5280 (+20)
10K → 15K
47:51 | 15:25/mi
20K
3:07:06
12.43 mi
Rank: #5225 (+55)
15K → 20K
47:22 | 15:15/mi
Finish
3:17:05
13.10 mi
Rank: #5211 (+14)
20K → Finish
9:59 | 14:54/mi
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  • Fatigue & pacing analysis
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  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:27:4743:3514:0243:35
14:02
-
10K
6.21 mi09:16:051:31:5314:4848:18
15:33
+1:31
15K
9.32 mi10:03:562:19:4415:0047:51
15:25
-0:08
20K
12.43 mi10:51:183:07:0615:0447:22
15:15
-0:10
Finish
13.10 mi11:01:173:17:0515:039:59
14:54
-0:21

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

14:02 /mi

Average Pace

15:03 /mi

Slowest Pace

15:33 /mi

Loading chart...
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

2:28:47

75% of race

Time at Steady Pace

48:18

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 15:03 /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...
0mi3.3mi6.5mi9.8mi13.1mi
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
5K
3.11 mi08:27:4743:3514:0243:35
14:02
#5216
10K
6.21 mi09:16:051:31:5314:4848:18
15:33
#5300
15K
9.32 mi10:03:562:19:4415:0047:51
15:25
#5280
20K
12.43 mi10:51:183:07:0615:0447:22
15:15
#5225
Finish
13.10 mi11:01:173:17:0515:039:59
14:54
#5211
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi521629093345203(Top 92%)2901(Top 89%)324(Top 94%)
10K6.21 mi3.10 mi5300-842963-54335-15356(Top 95%)3008(Top 93%)334(Top 97%)
15K9.32 mi3.11 mi5280+202954+9334+15203(Top 92%)2901(Top 89%)324(Top 94%)
20K12.43 mi3.11 mi5225+552917+37329+55034(Top 89%)2789(Top 86%)322(Top 93%)
Finish13.10 mi0.67 mi5211+142909+8328+14926(Top 87%)2721(Top 84%)321(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×1
+26ft-31ft

Overall

5203

Females

2901

F20-24

324

5K→10K

3.1 - 6.2 mi

Top 95%
×2
+38ft-17ft

Overall

5356

Females

3008

F20-24

334

10K→15K

6.2 - 9.3 mi

Top 92%
×2
+26ft-44ft

Overall

5203

Females

2901

F20-24

324

15K→20K

9.3 - 12.4 mi

Top 89%
×1
+35ft-22ft

Overall

5034

Females

2789

F20-24

322

20K→Finish

12.4 - 13.1 mi

Top 87%
×1
+7ft-13ft

Overall

4926

Females

2721

F20-24

321

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
138
Passed By
133
Net Change
+5
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5216
5K → 10K22106-84#5216#5300
10K → 15K3818+20#5300#5280
15K → 20K616+55#5280#5225
20K → Finish173+14#5225#5211
TOTALS138133+5
📊

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

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🌊Position Flow

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🏃Race Lanes

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Finisher Certificate

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🏆 Finisher Certificate
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Activity Data

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

.gpx files up to 10MB

Export & Support

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Export Track Data

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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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