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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

Juston Miller

Bib: 8561 •M •Age: 42

Norfolk, VA

Shamrock Marathon - Half logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 5662
Top 41%
Gender (Male)
#0 / 2404
Masters (Masters Men)
#0 / 1079
Top 47%
Age Group (M40-44)
Official
#0 / 296
Calculated (M40-44)
#0 / 296
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
30:17
3.11 mi
Rank: #2415
Start → 5K
30:17 | 9:45/mi
10K
57:38
6.21 mi
Rank: #1803 (+612)
5K → 10K
27:21 | 8:49/mi
15K
1:27:34
9.32 mi
Rank: #1809 (-6)
10K → 15K
29:56 | 9:39/mi
20K
2:02:18
12.43 mi
Rank: #2164 (-355)
15K → 20K
34:44 | 11:11/mi
Finish
2:11:02
13.10 mi
Rank: #2309 (-145)
20K → Finish
8:44 | 13:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:06:4430:179:4530:17
9:45
-
10K
6.21 mi08:34:0557:389:1727:21
8:49
-0:56
15K
9.32 mi09:04:011:27:349:2429:56
9:39
+0:50
20K
12.43 mi09:38:452:02:189:5134:44
11:11
+1:32
Finish
13.10 mi09:47:292:11:0210:018:44
13:02
+1:51

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

8:49 /mi

Average Pace

10:00 /mi

Slowest Pace

13:02 /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

27:21

21% of race

Time at Steady Pace

1:00:13

46% of race

Time at Slower Pace

43:28

33% of race

Average Pace: 10:00 /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.

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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 mi08:06:4430:179:4530:17
9:45
#2415
10K
6.21 mi08:34:0557:389:1727:21
8:49
#1803
15K
9.32 mi09:04:011:27:349:2429:56
9:39
#1809
20K
12.43 mi09:38:452:02:189:5134:44
11:11
#2164
Finish
13.10 mi09:47:292:11:0210:018:44
13:02
#2309
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi241514051701872(Top 33%)1141(Top 47%)143(Top 48%)
10K6.21 mi3.10 mi1803+6121119+286135+351208(Top 21%)810(Top 34%)111(Top 38%)
15K9.32 mi3.11 mi1809-61119138-31872(Top 33%)1141(Top 47%)143(Top 48%)
20K12.43 mi3.11 mi2164-3551280-161158-203155(Top 56%)1645(Top 68%)203(Top 69%)
Finish13.10 mi0.67 mi2309-1451342-62167-94297(Top 76%)2024(Top 84%)252(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×1
+26ft-31ft

Overall

1872

Males

1141

M40-44

143

5K→10K

3.1 - 6.2 mi

Top 21%
×2
+38ft-17ft

Overall

1208

Males

810

M40-44

111

10K→15K

6.2 - 9.3 mi

Top 33%
×2
+26ft-44ft

Overall

1872

Males

1141

M40-44

143

15K→20K

9.3 - 12.4 mi

Top 56%
×1
+35ft-22ft

Overall

3155

Males

1645

M40-44

203

20K→Finish

12.4 - 13.1 mi

Top 76%
×1
+7ft-13ft

Overall

4297

Males

2024

M40-44

252

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
696*
Passed By
427
Net Change
+106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2415
5K → 10K613*1+612#2415#1803
10K → 15K7076-6#1803#1809
15K → 20K8200-355#1809#2164
20K → Finish5150-145#2164#2309
TOTALS696*427+106

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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