All Results|Race Analytics|Course|Contact

Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON HALF 2025

Thomas Stapor

Bib: 4095 •M •Age: 25

Vienna, VA

Shamrock Marathon - Half logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 5662
Top 28%
Gender (Male)
#0 / 2404
Top 41%
Age Group (M25-29)
Official
#0 / 384
Calculated (M25-29)
#0 / 384
Race Day Weather
71°/61°F
overcast clouds
Unlock Your Full

Race Performance Report

Personalized by MyRace AI
New

Your Race Performance Report is ready

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
Shareable via link — view it anywhere, share with anyone
Report Preview
Generating your preview…
$4.99
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
23:09
3.11 mi
Rank: #385
Start → 5K
23:09 | 7:28/mi
10K
53:04
6.21 mi
Rank: #998 (-613)
5K → 10K
29:55 | 9:38/mi
15K
1:22:55
9.32 mi
Rank: #1281 (-283)
10K → 15K
29:51 | 9:37/mi
20K
1:54:14
12.43 mi
Rank: #1564 (-283)
15K → 20K
31:19 | 10:05/mi
Finish
2:00:46
13.10 mi
Rank: #1569 (-5)
20K → Finish
6:32 | 9:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:53:2723:097:2823:09
7:28
-
10K
6.21 mi08:23:2253:048:3329:55
9:38
+2:10
15K
9.32 mi08:53:131:22:558:5429:51
9:37
-0:01
20K
12.43 mi09:24:321:54:149:1231:19
10:05
+0:28
Finish
13.10 mi09:31:042:00:469:146:32
9:45
-0:20

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

7:28 /mi

Average Pace

9:13 /mi

Slowest Pace

10:05 /mi

Loading chart...
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

23:09

19% of race

Time at Steady Pace

1:37:37

81% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:13 /mi

Loading chart...
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.

Loading...
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 mi07:53:2723:097:2823:09
7:28
#385
10K
6.21 mi08:23:2253:048:3329:55
9:38
#998
15K
9.32 mi08:53:131:22:558:5429:51
9:37
#1281
20K
12.43 mi09:24:321:54:149:1231:19
10:05
#1564
Finish
13.10 mi09:31:042:00:469:146:32
9:45
#1569
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi385297601847(Top 33%)1131(Top 47%)219(Top 57%)
10K6.21 mi3.10 mi998-613694-397135-752048(Top 36%)1242(Top 52%)240(Top 63%)
15K9.32 mi3.11 mi1281-283836-142157-221847(Top 33%)1131(Top 47%)219(Top 57%)
20K12.43 mi3.11 mi1564-283994-158194-372239(Top 40%)1278(Top 53%)238(Top 62%)
Finish13.10 mi0.67 mi1569-5991+3193+11756(Top 31%)1046(Top 44%)208(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×1
+26ft-31ft

Overall

1847

Males

1131

M25-29

219

5K→10K

3.1 - 6.2 mi

Top 36%
×2
+38ft-17ft

Overall

2048

Males

1242

M25-29

240

10K→15K

6.2 - 9.3 mi

Top 33%
×2
+26ft-44ft

Overall

1847

Males

1131

M25-29

219

15K→20K

9.3 - 12.4 mi

Top 40%
×1
+35ft-22ft

Overall

2239

Males

1278

M25-29

238

20K→Finish

12.4 - 13.1 mi

Top 31%
×1
+7ft-13ft

Overall

1756

Males

1046

M25-29

208

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
22
Passed By
615
Net Change
-1184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#385
5K → 10K0200-613#385#998
10K → 15K4200-283#998#1281
15K → 20K8200-283#1281#1564
20K → Finish1015-5#1564#1569
TOTALS22615-1184
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Finisher Certificate

Download and share your official race completion certificate

🏆 Finisher Certificate
Download or share your official race finisher certificate
Loading certificate...

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.

Contact Race Support
Share Feedback