Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management

Kevin Zencak

Bib: 5161 β€’M β€’Age: 29

Norfolk, VA

Shamrock Marathon - Half logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 5662
Gender (Male)
#0 / 2404
Age Group (M25-29)
Official
#0 / 384
Calculated (M25-29)
#0 / 384
Race Day Weather
71Β°/61Β°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
30:26
3.11 mi
Rank: #2470
Start β†’ 5K
30:26 | 9:48/mi
10K
1:08:30
6.21 mi
Rank: #3532 (-1062)
5K β†’ 10K
38:04 | 12:16/mi
15K
1:47:53
9.32 mi
Rank: #3815 (-283)
10K β†’ 15K
39:23 | 12:41/mi
20K
2:28:30
12.43 mi
Rank: #3965 (-150)
15K β†’ 20K
40:37 | 13:05/mi
Finish
2:36:06
13.10 mi
Rank: #3917 (+48)
20K β†’ Finish
7:36 | 11:21/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:02:5230:269:4830:26
9:48
-
10K
6.21 mi08:40:561:08:3011:0238:04
12:16
+2:28
15K
9.32 mi09:20:191:47:5311:3539:23
12:41
+0:25
20K
12.43 mi10:00:562:28:3011:5740:37
13:05
+0:24
Finish
13.10 mi10:08:322:36:0611:567:36
11:21
-1:44

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:48 /mi

Average Pace

11:55 /mi

Slowest Pace

13:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

38:02

24% of race

Time at Steady Pace

1:17:27

50% of race

Time at Slower Pace

40:37

26% of race

Average Pace: 11:55 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi08:02:5230:269:4830:26
9:48
#2470
10K
6.21 mi08:40:561:08:3011:0238:04
12:16
#3532
15K
9.32 mi09:20:191:47:5311:3539:23
12:41
#3815
20K
12.43 mi10:00:562:28:3011:5740:37
13:05
#3965
Finish
13.10 mi10:08:322:36:0611:567:36
11:21
#3917
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 mi247014272654213(Top 74%)2018(Top 84%)349(Top 91%)
10K6.21 mi3.10 mi3532-10621830-403324-594223(Top 75%)2028(Top 84%)350(Top 91%)
15K9.32 mi3.11 mi3815-2831907-77331-74213(Top 74%)2018(Top 84%)349(Top 91%)
20K12.43 mi3.11 mi3965-1501950-43339-84324(Top 76%)2029(Top 84%)346(Top 90%)
Finish13.10 mi0.67 mi3917+481936+14337+23182(Top 56%)1648(Top 69%)306(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
Γ—1
+26ft-31ft

Overall

4213

Males

2018

M25-29

349

5K→10K

3.1 - 6.2 mi

Top 75%
Γ—2
+38ft-17ft

Overall

4223

Males

2028

M25-29

350

10K→15K

6.2 - 9.3 mi

Top 74%
Γ—2
+26ft-44ft

Overall

4213

Males

2018

M25-29

349

15K→20K

9.3 - 12.4 mi

Top 76%
Γ—1
+35ft-22ft

Overall

4324

Males

2029

M25-29

346

20K→Finish

12.4 - 13.1 mi

Top 56%
Γ—1
+7ft-13ft

Overall

3182

Males

1648

M25-29

306

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
87
Passed By
573
Net Change
-1447
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2470
5K β†’ 10K3200-1062#2470#3532
10K β†’ 15K13200-283#3532#3815
15K β†’ 20K23173-150#3815#3965
20K β†’ Finish480+48#3965#3917
TOTALS87573-1447
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...

AI Key Insights

Powered by MyRace AI

Finisher Certificate

Download and share your official race completion certificate

πŸ† 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