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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

Lauren Stroyeck

Bib: 9028 •F •Age: 37

Newport News, VA

Shamrock Marathon - Half logo
0:00
0:00
/ mi
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Overall
#0 / 5662
Gender (Female)
#0 / 3242
Age Group (F35-39)
#0 / 409
Race Day Weather
71°/61°F
overcast clouds
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Race Performance Report

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See how your race unfolded, where your performance changed, and what to focus on next.

Your Race Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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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
46:03
3.11 mi
Rank: #5376
Start → 5K
46:03 | 14:50/mi
10K
1:29:02
6.21 mi
Rank: #5206 (+170)
5K → 10K
42:59 | 13:51/mi
15K
2:14:47
9.32 mi
Rank: #5165 (+41)
10K → 15K
45:45 | 14:44/mi
20K
3:00:58
12.43 mi
Rank: #5122 (+43)
15K → 20K
46:11 | 14:52/mi
Finish
3:11:15
13.10 mi
Rank: #5115 (+7)
20K → Finish
10:17 | 15:21/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:32:1046:0314:5046:03
14:50
-
10K
6.21 mi09:15:091:29:0214:2042:59
13:51
-0:59
15K
9.32 mi10:00:542:14:4714:2845:45
14:44
+0:53
20K
12.43 mi10:47:053:00:5814:3446:11
14:52
+0:08
Finish
13.10 mi10:57:223:11:1514:3710:17
15:21
+0:29

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

13:51 /mi

Average Pace

14:36 /mi

Slowest Pace

15:21 /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

3:00:58

95% of race

Time at Steady Pace

10:17

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 14:36 /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 mi08:32:1046:0314:5046:03
14:50
#5376
10K
6.21 mi09:15:091:29:0214:2042:59
13:51
#5206
15K
9.32 mi10:00:542:14:4714:2845:45
14:44
#5165
20K
12.43 mi10:47:053:00:5814:3446:11
14:52
#5122
Finish
13.10 mi10:57:223:11:1514:3710:17
15:21
#5115
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
5K3.11 mi3.11 mi537630213885060(Top 89%)2792(Top 86%)353(Top 86%)
10K6.21 mi3.10 mi5206+1702898+123372+164944(Top 87%)2698(Top 83%)341(Top 83%)
15K9.32 mi3.11 mi5165+412868+30364+85060(Top 89%)2792(Top 86%)353(Top 86%)
20K12.43 mi3.11 mi5122+432840+28358+64927(Top 87%)2715(Top 84%)337(Top 82%)
Finish13.10 mi0.67 mi5115+72835+5357+15018(Top 89%)2782(Top 86%)352(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×1
+26ft-31ft

Overall

5060

Females

2792

F35-39

353

5K→10K

3.1 - 6.2 mi

Top 87%
×2
+38ft-17ft

Overall

4944

Females

2698

F35-39

341

10K→15K

6.2 - 9.3 mi

Top 89%
×2
+26ft-44ft

Overall

5060

Females

2792

F35-39

353

15K→20K

9.3 - 12.4 mi

Top 87%
×1
+35ft-22ft

Overall

4927

Females

2715

F35-39

337

20K→Finish

12.4 - 13.1 mi

Top 89%
×1
+7ft-13ft

Overall

5018

Females

2782

F35-39

352

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
307
Passed By
46
Net Change
+261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5376
5K → 10K1799+170#5376#5206
10K → 15K6221+41#5206#5165
15K → 20K5411+43#5165#5122
20K → Finish125+7#5122#5115
TOTALS30746+261
📊

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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