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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

Margaret Kopacz

Bib: 11555 •F •Age: 60

Chesapeake, VA

Shamrock Marathon - Half logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 5662
Top 19%
Gender (Female)
#0 / 3242
Top 10%
Masters (Masters Women)
#0 / 1369
Top 7%
Age Group (F60-64)
#0 / 116
Top 2%
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
27:21
3.11 mi
Rank: #1326
Start → 5K
27:21 | 8:49/mi
10K
54:16
6.21 mi
Rank: #1193 (+133)
5K → 10K
26:55 | 8:40/mi
15K
1:21:35
9.32 mi
Rank: #1141 (+52)
10K → 15K
27:19 | 8:48/mi
20K
1:48:12
12.43 mi
Rank: #1053 (+88)
15K → 20K
26:37 | 8:35/mi
Finish
1:54:13
13.10 mi
Rank: #1050 (+3)
20K → Finish
6:01 | 8:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:57:5027:218:4927:21
8:49
-
10K
6.21 mi08:24:4554:168:4526:55
8:40
-0:09
15K
9.32 mi08:52:041:21:358:4627:19
8:48
+0:08
20K
12.43 mi09:18:411:48:128:4326:37
8:35
-0:13
Finish
13.10 mi09:24:421:54:138:446:01
8:59
+0:24

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. Green = fastest, yellow = moderate, red = slowest segments.

Fastest Pace

8:35 /mi

Average Pace

8:43 /mi

Slowest Pace

8:59 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Color indicates pace quality: green = fast pace, yellow = moderate, red = slow pace.

Time at Fast Pace

1:54:13

100% of race

Time at Moderate Pace

0:00

0% of race

Time at Slow Pace

0:00

0% of race

Average Pace: 8:43 /mi

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Fast pace (< avg)
Moderate pace (≈ avg)
Slow pace (> avg)

🎨Heatmap

Pace Heatmap

Visual intensity map of your pacing throughout the race. Green = fastest, yellow = moderate, red = slowest.

Loading...
0mi3.3mi6.5mi9.8mi13.1mi
Pace:
Fast
Moderate
Slow

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 mi07:57:5027:218:4927:21
8:49
#1326
10K
6.21 mi08:24:4554:168:4526:55
8:40
#1193
15K
9.32 mi08:52:041:21:358:4627:19
8:48
#1141
20K
12.43 mi09:18:411:48:128:4326:37
8:35
#1053
Finish
13.10 mi09:24:421:54:138:446:01
8:59
#1050
Fast pace
Moderate pace
Slow pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi132645621080(Top 19%)353(Top 11%)4(Top 3%)
10K6.21 mi3.10 mi1193+133393+6321085(Top 19%)351(Top 11%)2(Top 2%)
15K9.32 mi3.11 mi1141+52365+283-11080(Top 19%)353(Top 11%)4(Top 3%)
20K12.43 mi3.11 mi1053+88333+322+1944(Top 17%)294(Top 9%)3(Top 3%)
Finish13.10 mi0.67 mi1050+3331+221085(Top 19%)352(Top 11%)3(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×1
+26ft-31ft

Overall

1080

Females

353

F60-64

4

5K→10K

3.1 - 6.2 mi

Top 19%
×2
+38ft-17ft

Overall

1085

Females

351

F60-64

2

10K→15K

6.2 - 9.3 mi

Top 19%
×2
+26ft-44ft

Overall

1080

Females

353

F60-64

4

15K→20K

9.3 - 12.4 mi

Top 17%
×1
+35ft-22ft

Overall

944

Females

294

F60-64

3

20K→Finish

12.4 - 13.1 mi

Top 19%
×1
+7ft-13ft

Overall

1085

Females

352

F60-64

3

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
334
Passed By
58
Net Change
+276
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1326
5K → 10K14916+133#1326#1193
10K → 15K7523+52#1193#1141
15K → 20K10012+88#1141#1053
20K → Finish107+3#1053#1050
TOTALS33458+276
📊

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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AI Key Insights

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Finisher Certificate

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🏆 Finisher Certificate
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Activity Data

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