Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management

Justin Johnson

Bib: 11634 β€’M β€’Age: 46

Chesapeake, VA

Shamrock Marathon - Half logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 5662
Top 30%
Gender (Male)
#0 / 2404
Top 44%
Masters (Masters Men)
#0 / 1079
Top 36%
Age Group (M45-49)
#0 / 211
Top 44%
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
28:14
3.11 mi
Rank: #1721
Start β†’ 5K
28:14 | 9:06/mi
10K
57:47
6.21 mi
Rank: #1822 (-101)
5K β†’ 10K
29:33 | 9:31/mi
15K
1:27:07
9.32 mi
Rank: #1765 (+57)
10K β†’ 15K
29:20 | 9:27/mi
20K
1:56:21
12.43 mi
Rank: #1713 (+52)
15K β†’ 20K
29:14 | 9:25/mi
Finish
2:02:53
13.10 mi
Rank: #1706 (+7)
20K β†’ 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 mi08:08:2528:149:0628:14
9:06
-
10K
6.21 mi08:37:5857:479:1829:33
9:31
+0:25
15K
9.32 mi09:07:181:27:079:2129:20
9:27
-0:04
20K
12.43 mi09:36:321:56:219:2229:14
9:25
-0:02
Finish
13.10 mi09:43:042:02:539:236:32
9:45
+0:20

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

9:06 /mi

Average Pace

9:23 /mi

Slowest Pace

9:45 /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

1:56:21

95% of race

Time at Steady Pace

6:32

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:23 /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 mi08:08:2528:149:0628:14
9:06
#1721
10K
6.21 mi08:37:5857:479:1829:33
9:31
#1822
15K
9.32 mi09:07:181:27:079:2129:20
9:27
#1765
20K
12.43 mi09:36:321:56:219:2229:14
9:25
#1713
Finish
13.10 mi09:43:042:02:539:236:32
9:45
#1706
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi17211075941701(Top 30%)1061(Top 44%)96(Top 45%)
10K6.21 mi3.10 mi1822-1011131-56102-81938(Top 34%)1186(Top 49%)111(Top 53%)
15K9.32 mi3.11 mi1765+571095+3697+51701(Top 30%)1061(Top 44%)96(Top 45%)
20K12.43 mi3.11 mi1713+521067+2895+21685(Top 30%)1017(Top 42%)90(Top 43%)
Finish13.10 mi0.67 mi1706+71062+593+21764(Top 31%)1052(Top 44%)91(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
Γ—1
+26ft-31ft

Overall

1701

Males

1061

M45-49

96

5K→10K

3.1 - 6.2 mi

Top 34%
Γ—2
+38ft-17ft

Overall

1938

Males

1186

M45-49

111

10K→15K

6.2 - 9.3 mi

Top 30%
Γ—2
+26ft-44ft

Overall

1701

Males

1061

M45-49

96

15K→20K

9.3 - 12.4 mi

Top 30%
Γ—1
+35ft-22ft

Overall

1685

Males

1017

M45-49

90

20K→Finish

12.4 - 13.1 mi

Top 31%
Γ—1
+7ft-13ft

Overall

1764

Males

1052

M45-49

91

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
271
Passed By
256
Net Change
+15
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1721
5K β†’ 10K57158-101#1721#1822
10K β†’ 15K11053+57#1822#1765
15K β†’ 20K8634+52#1765#1713
20K β†’ Finish1811+7#1713#1706
TOTALS271256+15
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