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SHAMROCK MARATHON HALF 2025

Ying Yi Zheng

Bib: 12737•F•Age: 40

Rockville, MD

Shamrock Marathon - Half logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 5662
Gender (Female)
#0 / 3242
Masters (Masters Women)
#0 / 1369
Age Group (F40-44)
Official
#0 / 411
Calculated (F40-44)
#0 / 411
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
40:10
3.11 mi
Rank: #4886
Start → 5K
40:10 | 12:56/mi
10K
1:26:39
6.21 mi
Rank: #5092 (-206)
5K → 10K
46:29 | 14:58/mi
15K
2:14:56
9.32 mi
Rank: #5171 (-79)
10K → 15K
48:17 | 15:33/mi
20K
3:03:11
12.43 mi
Rank: #5155 (+16)
15K → 20K
48:15 | 15:32/mi
Finish
3:10:59
13.10 mi
Rank: #5112 (+43)
20K → Finish
7:48 | 11:39/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:22:2140:1012:5640:10
12:56
-
10K
6.21 mi09:08:501:26:3913:5746:29
14:58
+2:02
15K
9.32 mi09:57:072:14:5614:2948:17
15:33
+0:35
20K
12.43 mi10:45:223:03:1114:4548:15
15:32
-0:01
Finish
13.10 mi10:53:103:10:5914:357:48
11:39
-3:53

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

11:39 /mi

Average Pace

14:35 /mi

Slowest Pace

15:33 /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

47:58

25% of race

Time at Steady Pace

2:23:01

75% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 14:35 /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 mi08:22:2140:1012:5640:10
12:56
#4886
10K
6.21 mi09:08:501:26:3913:5746:29
14:58
#5092
15K
9.32 mi09:57:072:14:5614:2948:17
15:33
#5171
20K
12.43 mi10:45:223:03:1114:4548:15
15:32
#5155
Finish
13.10 mi10:53:103:10:5914:357:48
11:39
#5112
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi488626683425224(Top 92%)2915(Top 90%)382(Top 93%)
10K6.21 mi3.10 mi5092-2062812-144362-205229(Top 92%)2915(Top 90%)378(Top 92%)
15K9.32 mi3.11 mi5171-792872-60373-115224(Top 92%)2915(Top 90%)382(Top 93%)
20K12.43 mi3.11 mi5155+162863+9372+15110(Top 90%)2846(Top 88%)369(Top 90%)
Finish13.10 mi0.67 mi5112+432833+30369+33407(Top 60%)1675(Top 52%)196(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×1
+26ft-31ft

Overall

5224

Females

2915

F40-44

382

5K→10K

3.1 - 6.2 mi

Top 92%
×2
+38ft-17ft

Overall

5229

Females

2915

F40-44

378

10K→15K

6.2 - 9.3 mi

Top 92%
×2
+26ft-44ft

Overall

5224

Females

2915

F40-44

382

15K→20K

9.3 - 12.4 mi

Top 90%
×1
+35ft-22ft

Overall

5110

Females

2846

F40-44

369

20K→Finish

12.4 - 13.1 mi

Top 60%
×1
+7ft-13ft

Overall

3407

Females

1675

F40-44

196

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
110
Passed By
336
Net Change
-226
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4886
5K → 10K18224-206#4886#5092
10K → 15K1190-79#5092#5171
15K → 20K3822+16#5171#5155
20K → Finish430+43#5155#5112
TOTALS110336-226
📊

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

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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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management