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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Cory McNett

Bib: 441 •M •Age: 32

Suffolk, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M30-34)
#0 / 185
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
26:27
3.11 mi
Rank: #532
Start → 5K
26:27 | 8:31/mi
10K
53:37
6.21 mi
Rank: #576 (-44)
5K → 10K
27:10 | 8:45/mi
15K
1:21:23
9.32 mi
Rank: #645 (-69)
10K → 15K
27:46 | 8:57/mi
20K
1:49:57
12.43 mi
Rank: #687 (-42)
15K → 20K
28:34 | 9:12/mi
Half
1:56:39
13.10 mi
Rank: #702 (-15)
20K → Half
6:42 | 10:00/mi
25K
2:22:09
15.53 mi
Rank: #783 (-81)
Half → 25K
25:30 | 10:29/mi
30K
2:52:59
18.64 mi
Rank: #859 (-76)
25K → 30K
30:50 | 9:56/mi
35K
3:35:04
21.75 mi
Rank: #938 (-79)
30K → 35K
42:05 | 13:33/mi
25.2M
4:15:23
25.20 mi
Rank: #951 (-13)
35K → 25.2M
40:19 | 11:41/mi
Finish
4:28:01
26.22 mi
Rank: #986 (-35)
25.2M → Finish
12:38 | 12:24/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:56:39
Pace8:55 /mi
2nd Half
Distance13.12 mi
Time2:31:22
Pace11:33 /mi
📊Positive Split: 29.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:58:4126:278:3126:27
8:31
-
10K
6.21 mi08:25:5153:378:3827:10
8:45
+0:14
15K
9.32 mi08:53:371:21:238:4427:46
8:57
+0:12
20K
12.43 mi09:22:111:49:578:5128:34
9:12
+0:15
Half
13.10 mi09:28:531:56:398:556:42
10:00
+0:48
25K
15.53 mi09:54:232:22:099:1025:30
10:29
+0:29
30K
18.64 mi10:25:132:52:599:1730:50
9:56
-0:33
35K
21.75 mi11:07:183:35:049:5442:05
13:33
+3:37
25.2M
25.20 mi11:47:374:15:2310:0940:19
11:41
-1:52
Finish
26.22 mi12:00:154:28:0110:1412:38
12:24
+0:43

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

8:31 /mi

Average Pace

10:14 /mi

Slowest Pace

13:33 /mi

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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

1:21:23

30% of race

Time at Steady Pace

1:31:36

34% of race

Time at Slower Pace

1:35:02

35% of race

Average Pace: 10:13 /mi

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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...
0mi6.6mi13.1mi19.7mi26.2mi
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 mi07:58:4126:278:3126:27
8:31
#532
10K
6.21 mi08:25:5153:378:3827:10
8:45
#576
15K
9.32 mi08:53:371:21:238:4427:46
8:57
#645
20K
12.43 mi09:22:111:49:578:5128:34
9:12
#687
Half
13.10 mi09:28:531:56:398:556:42
10:00
#702
25K
15.53 mi09:54:232:22:099:1025:30
10:29
#783
30K
18.64 mi10:25:132:52:599:1730:50
9:56
#859
35K
21.75 mi11:07:183:35:049:5442:05
13:33
#938
25.2M
25.20 mi11:47:374:15:2310:0940:19
11:41
#951
Finish
26.22 mi12:00:154:28:0110:1412:38
12:24
#986
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi53240064730(Top 37%)528(Top 46%)94(Top 51%)
10K6.21 mi3.10 mi576-44428-2869-5648(Top 33%)472(Top 41%)78(Top 42%)
15K9.32 mi3.11 mi645-69471-4378-9730(Top 37%)528(Top 46%)94(Top 51%)
20K12.43 mi3.11 mi687-42502-3186-8843(Top 43%)605(Top 52%)108(Top 58%)
Half13.10 mi0.67 mi702-15513-1188-2870(Top 45%)618(Top 54%)107(Top 58%)
25K15.53 mi2.43 mi783-81563-5098-101073(Top 55%)727(Top 63%)122(Top 66%)
30K18.64 mi3.11 mi859-76608-45105-71231(Top 63%)783(Top 68%)128(Top 69%)
35K21.75 mi3.11 mi938-79638-30109-41258(Top 65%)778(Top 67%)124(Top 67%)
25.2M25.20 mi3.45 mi951-13638107+21095(Top 56%)665(Top 58%)110(Top 59%)
Finish26.22 mi1.02 mi986-35654-16109-21589(Top 82%)952(Top 83%)158(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×1
+26ft-31ft

Overall

730

Males

528

M30-34

94

5K→10K

3.1 - 6.2 mi

Top 33%
×2
+38ft-17ft

Overall

648

Males

472

M30-34

78

10K→15K

6.2 - 9.3 mi

Top 37%
×2
+26ft-44ft

Overall

730

Males

528

M30-34

94

15K→20K

9.3 - 12.4 mi

Top 43%
×1
+35ft-22ft

Overall

843

Males

605

M30-34

108

20K→Half

12.4 - 13.1 mi

Top 45%
×1
+7ft-13ft

Overall

870

Males

618

M30-34

107

Half→25K

13.1 - 15.5 mi

Top 55%
×2
+48ft-19ft

Overall

1073

Males

727

M30-34

122

25K→30K

15.5 - 18.6 mi

Top 63%
×2
+38ft-52ft

Overall

1231

Males

783

M30-34

128

30K→35K

18.6 - 21.8 mi

Top 65%
×2
+39ft-39ft

Overall

1258

Males

778

M30-34

124

35K→25.2M

21.8 - 25.2 mi

Top 56%
×3
+57ft-58ft

Overall

1095

Males

665

M30-34

110

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×1
+17ft-12ft

Overall

1589

Males

952

M30-34

158

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
40
Passed By
494
Net Change
-454
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#532
5K → 10K347-44#532#576
10K → 15K069-69#576#645
15K → 20K345-42#645#687
20K → Half419-15#687#702
Half → 25K081-81#702#783
25K → 30K379-76#783#859
30K → 35K988-79#859#938
35K → 25.2M1730-13#938#951
25.2M → Finish136-35#951#986
TOTALS40494-454
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

BQ

Boston Qualifying analysis available

Finisher Certificate

Download and share your official race completion certificate

🏆 Finisher Certificate
Download or share your official race finisher certificate
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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
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