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

Ken Kieft

Bib: 11613 •M •Age: 61

Virginia Bch, VA

Shamrock Marathon - Half logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 5662
Top 11%
Gender (Male)
#0 / 2404
Top 20%
Masters (Masters Men)
#0 / 1079
Top 15%
Age Group (M60-64)
#0 / 114
Top 13%
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
24:31
3.11 mi
Rank: #608
Start → 5K
24:31 | 7:54/mi
10K
49:20
6.21 mi
Rank: #595 (+13)
5K → 10K
24:49 | 8:00/mi
15K
1:15:22
9.32 mi
Rank: #638 (-43)
10K → 15K
26:02 | 8:23/mi
20K
1:41:19
12.43 mi
Rank: #644 (-6)
15K → 20K
25:57 | 8:22/mi
Finish
1:47:08
13.10 mi
Rank: #645 (-1)
20K → Finish
5:49 | 8:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:54:5324:317:5424:31
7:54
-
10K
6.21 mi08:19:4249:207:5724:49
8:00
+0:06
15K
9.32 mi08:45:441:15:228:0626:02
8:23
+0:23
20K
12.43 mi09:11:411:41:198:1025:57
8:22
-0:01
Finish
13.10 mi09:17:301:47:088:115:49
8:41
+0:19

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

7:54 /mi

Average Pace

8:11 /mi

Slowest Pace

8:41 /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

49:20

46% of race

Time at Steady Pace

57:48

54% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi07:54:5324:317:5424:31
7:54
#608
10K
6.21 mi08:19:4249:207:5724:49
8:00
#595
15K
9.32 mi08:45:441:15:228:0626:02
8:23
#638
20K
12.43 mi09:11:411:41:198:1025:57
8:22
#644
Finish
13.10 mi09:17:301:47:088:115:49
8:41
#645
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi60844711741(Top 13%)534(Top 22%)15(Top 13%)
10K6.21 mi3.10 mi595+13432+1512-1583(Top 10%)430(Top 18%)14(Top 12%)
15K9.32 mi3.11 mi638-43466-3414-2741(Top 13%)534(Top 22%)15(Top 13%)
20K12.43 mi3.11 mi644-6478-1215-1788(Top 14%)561(Top 23%)15(Top 13%)
Finish13.10 mi0.67 mi645-1481-315829(Top 15%)585(Top 24%)16(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×1
+26ft-31ft

Overall

741

Males

534

M60-64

15

5K→10K

3.1 - 6.2 mi

Top 10%
×2
+38ft-17ft

Overall

583

Males

430

M60-64

14

10K→15K

6.2 - 9.3 mi

Top 13%
×2
+26ft-44ft

Overall

741

Males

534

M60-64

15

15K→20K

9.3 - 12.4 mi

Top 14%
×1
+35ft-22ft

Overall

788

Males

561

M60-64

15

20K→Finish

12.4 - 13.1 mi

Top 15%
×1
+7ft-13ft

Overall

829

Males

585

M60-64

16

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
87
Passed By
124
Net Change
-37
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#608
5K → 10K4734+13#608#595
10K → 15K1255-43#595#638
15K → 20K2329-6#638#644
20K → Finish56-1#644#645
TOTALS87124-37
📊

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...
Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI 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
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

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