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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

Katharyn Dembowski

Bib: 12192 •NB •Age: 34

King George, VA

Shamrock Marathon - Half logo
0:00
0:00
/ mi
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Overall
#0 / 5662
Gender (Non-Binary)
#0 / 7
Age Group (N30-34)
Official
#0 / 4
Calculated (NB30-34)
#0 / 3
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
32:57
3.11 mi
Rank: #3369
Start → 5K
32:57 | 10:37/mi
10K
1:10:50
6.21 mi
Rank: #3833 (-464)
5K → 10K
37:53 | 12:12/mi
15K
1:50:56
9.32 mi
Rank: #4053 (-220)
10K → 15K
40:06 | 12:55/mi
20K
2:32:42
12.43 mi
Rank: #4155 (-102)
15K → 20K
41:46 | 13:27/mi
Finish
2:41:59
13.10 mi
Rank: #4193 (-38)
20K → Finish
9:17 | 13:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:11:1432:5710:3732:57
10:37
-
10K
6.21 mi08:49:071:10:5011:2437:53
12:12
+1:35
15K
9.32 mi09:29:131:50:5611:5540:06
12:55
+0:43
20K
12.43 mi10:10:592:32:4212:1841:46
13:27
+0:32
Finish
13.10 mi10:20:162:41:5912:239:17
13:51
+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

10:37 /mi

Average Pace

12:22 /mi

Slowest Pace

13:51 /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

1:10:50

44% of race

Time at Moderate Pace

1:21:52

51% of race

Time at Slow Pace

9:17

6% of race

Average Pace: 12:22 /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.

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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 mi08:11:1432:5710:3732:57
10:37
#3369
10K
6.21 mi08:49:071:10:5011:2437:53
12:12
#3833
15K
9.32 mi09:29:131:50:5611:5540:06
12:55
#4053
20K
12.43 mi10:10:592:32:4212:1841:46
13:27
#4155
Finish
13.10 mi10:20:162:41:5912:239:17
13:51
#4193
Fast pace
Moderate pace
Slow pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallNBN30-34Seg. OverallSeg. NBSeg. N30-34
5K3.11 mi3.11 mi3369424350(Top 77%)4(Top 57%)2(Top 50%)
10K6.21 mi3.10 mi3833-464424183(Top 74%)4(Top 57%)2(Top 50%)
15K9.32 mi3.11 mi4053-220424350(Top 77%)4(Top 57%)2(Top 50%)
20K12.43 mi3.11 mi4155-102424468(Top 79%)4(Top 57%)2(Top 50%)
Finish13.10 mi0.67 mi4193-38424626(Top 82%)5(Top 71%)2(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×1
+26ft-31ft

Overall

4350

NB

4

N30-34

2

5K→10K

3.1 - 6.2 mi

Top 74%
×2
+38ft-17ft

Overall

4183

NB

4

N30-34

2

10K→15K

6.2 - 9.3 mi

Top 77%
×2
+26ft-44ft

Overall

4350

NB

4

N30-34

2

15K→20K

9.3 - 12.4 mi

Top 79%
×1
+35ft-22ft

Overall

4468

NB

4

N30-34

2

20K→Finish

12.4 - 13.1 mi

Top 82%
×1
+7ft-13ft

Overall

4626

NB

5

N30-34

2

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
78
Passed By
574
Net Change
-824
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3369
5K → 10K22200-464#3369#3833
10K → 15K22200-220#3833#4053
15K → 20K28130-102#4053#4155
20K → Finish644-38#4155#4193
TOTALS78574-824
📊

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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Export & Support

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