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

Derek Johnson

Bib: 6450 •M •Age: 39

Virginia Bch, VA

Shamrock Marathon - Half logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 5662
Top 18%
Gender (Male)
#0 / 2404
Top 29%
Age Group (M35-39)
#0 / 346
Top 30%
Race Day Weather
71°/61°F
overcast clouds
Personalized for Derek

Your Race Performance Report is ready

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

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 7:59/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
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
24:48
3.11 mi
Rank: #690
Start → 5K
24:48 | 7:59/mi
10K
49:50
6.21 mi
Rank: #645 (+45)
5K → 10K
25:02 | 8:04/mi
15K
1:16:32
9.32 mi
Rank: #707 (-62)
10K → 15K
26:42 | 8:36/mi
20K
1:47:34
12.43 mi
Rank: #1010 (-303)
15K → 20K
31:02 | 10:00/mi
Finish
1:54:01
13.10 mi
Rank: #1032 (-22)
20K → Finish
6:27 | 9:38/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:59:0524:487:5924:48
7:59
-
10K
6.21 mi08:24:0749:508:0225:02
8:04
+0:05
15K
9.32 mi08:50:491:16:328:1326:42
8:36
+0:32
20K
12.43 mi09:21:511:47:348:4031:02
10:00
+1:24
Finish
13.10 mi09:28:181:54:018:436:27
9:38
-0:22

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

7:59 /mi

Average Pace

8:42 /mi

Slowest Pace

10:00 /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

49:50

44% of race

Time at Steady Pace

26:42

23% of race

Time at Slower Pace

37:29

33% of race

Average Pace: 8:42 /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 mi07:59:0524:487:5924:48
7:59
#690
10K
6.21 mi08:24:0749:508:0225:02
8:04
#645
15K
9.32 mi08:50:491:16:328:1326:42
8:36
#707
20K
12.43 mi09:21:511:47:348:4031:02
10:00
#1010
Finish
13.10 mi09:28:181:54:018:436:27
9:38
#1032
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi69049975913(Top 16%)635(Top 26%)96(Top 28%)
10K6.21 mi3.10 mi645+45472+2771+4632(Top 11%)466(Top 19%)73(Top 21%)
15K9.32 mi3.11 mi707-62514-4278-7913(Top 16%)635(Top 26%)96(Top 28%)
20K12.43 mi3.11 mi1010-303694-180102-242172(Top 38%)1250(Top 52%)198(Top 57%)
Finish13.10 mi0.67 mi1032-22707-13103-11674(Top 30%)1006(Top 42%)160(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×1
+26ft-31ft

Overall

913

Males

635

M35-39

96

5K→10K

3.1 - 6.2 mi

Top 11%
×2
+38ft-17ft

Overall

632

Males

466

M35-39

73

10K→15K

6.2 - 9.3 mi

Top 16%
×2
+26ft-44ft

Overall

913

Males

635

M35-39

96

15K→20K

9.3 - 12.4 mi

Top 38%
×1
+35ft-22ft

Overall

2172

Males

1250

M35-39

198

20K→Finish

12.4 - 13.1 mi

Top 30%
×1
+7ft-13ft

Overall

1674

Males

1006

M35-39

160

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
90
Passed By
322
Net Change
-342
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#690
5K → 10K6217+45#690#645
10K → 15K1375-62#645#707
15K → 20K7200-303#707#1010
20K → Finish830-22#1010#1032
TOTALS90322-342
📊

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