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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Caleb Cox

Bib: 1368 •M •Age: 27

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 32%
Gender (Male)
#0 / 1153
Top 38%
Age Group (M25-29)
#0 / 240
Top 40%
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
28:26
3.11 mi
Rank: #856
Start → 5K
28:26 | 9:10/mi
10K
56:55
6.21 mi
Rank: #864 (-8)
5K → 10K
28:29 | 9:11/mi
15K
1:25:55
9.32 mi
Rank: #891 (-27)
10K → 15K
29:00 | 9:21/mi
20K
1:55:02
12.43 mi
Rank: #889 (+2)
15K → 20K
29:07 | 9:23/mi
Half
2:01:41
13.10 mi
Rank: #878 (+11)
20K → Half
6:39 | 9:55/mi
25K
2:24:39
15.53 mi
Rank: #851 (+27)
Half → 25K
22:58 | 9:26/mi
30K
2:50:16
18.64 mi
Rank: #817 (+34)
25K → 30K
25:37 | 8:15/mi
35K
3:22:24
21.75 mi
Rank: #737 (+80)
30K → 35K
32:08 | 10:21/mi
25.2M
3:51:57
25.20 mi
Rank: #631 (+106)
35K → 25.2M
29:33 | 8:34/mi
Finish
3:59:48
26.22 mi
Rank: #623 (+8)
25.2M → Finish
7:51 | 7:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via Half
Distance13.10 mi
Time2:01:41
Pace9:18 /mi
2nd Half✓ Faster
Distance13.12 mi
Time1:58:07
Pace9:01 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:05:0128:269:1028:26
9:10
-
10K
6.21 mi08:33:3056:559:1028:29
9:11
+0:01
15K
9.32 mi09:02:301:25:559:1429:00
9:21
+0:10
20K
12.43 mi09:31:371:55:029:1629:07
9:23
+0:02
Half
13.10 mi09:38:162:01:419:186:39
9:55
+0:32
25K
15.53 mi10:01:142:24:399:1922:58
9:26
-0:29
30K
18.64 mi10:26:512:50:169:0925:37
8:15
-1:11
35K
21.75 mi10:58:593:22:249:1932:08
10:21
+2:06
25.2M
25.20 mi11:28:323:51:579:1329:33
8:34
-1:47
Finish
26.22 mi11:36:233:59:489:107:51
7:43
-0:51

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

7:43 /mi

Average Pace

9:09 /mi

Slowest Pace

10:21 /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

1:03:01

26% of race

Time at Steady Pace

2:18:00

58% of race

Time at Slower Pace

38:47

16% of race

Average Pace: 9:09 /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 mi08:05:0128:269:1028:26
9:10
#856
10K
6.21 mi08:33:3056:559:1028:29
9:11
#864
15K
9.32 mi09:02:301:25:559:1429:00
9:21
#891
20K
12.43 mi09:31:371:55:029:1629:07
9:23
#889
Half
13.10 mi09:38:162:01:419:186:39
9:55
#878
25K
15.53 mi10:01:142:24:399:1922:58
9:26
#851
30K
18.64 mi10:26:512:50:169:0925:37
8:15
#817
35K
21.75 mi10:58:593:22:249:1932:08
10:21
#737
25.2M
25.20 mi11:28:323:51:579:1329:33
8:34
#631
Finish
26.22 mi11:36:233:59:489:107:51
7:43
#623
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 mi856609130920(Top 47%)654(Top 57%)144(Top 60%)
10K6.21 mi3.10 mi864-8618-9130876(Top 45%)617(Top 54%)128(Top 53%)
15K9.32 mi3.11 mi891-27632-14137-7920(Top 47%)654(Top 57%)144(Top 60%)
20K12.43 mi3.11 mi889+2630+2135+2908(Top 47%)642(Top 56%)140(Top 58%)
Half13.10 mi0.67 mi878+11624+6133+2849(Top 44%)604(Top 52%)127(Top 53%)
25K15.53 mi2.43 mi851+27611+13134-1749(Top 38%)540(Top 47%)111(Top 46%)
30K18.64 mi3.11 mi817+34584+27124+10681(Top 35%)483(Top 42%)102(Top 43%)
35K21.75 mi3.11 mi737+80526+58114+10526(Top 27%)370(Top 32%)83(Top 35%)
25.2M25.20 mi3.45 mi631+106445+8198+16269(Top 14%)192(Top 17%)48(Top 20%)
Finish26.22 mi1.02 mi623+8438+795+3227(Top 12%)167(Top 14%)44(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×1
+26ft-31ft

Overall

920

Males

654

M25-29

144

5K→10K

3.1 - 6.2 mi

Top 45%
×2
+38ft-17ft

Overall

876

Males

617

M25-29

128

10K→15K

6.2 - 9.3 mi

Top 47%
×2
+26ft-44ft

Overall

920

Males

654

M25-29

144

15K→20K

9.3 - 12.4 mi

Top 47%
×1
+35ft-22ft

Overall

908

Males

642

M25-29

140

20K→Half

12.4 - 13.1 mi

Top 44%
×1
+7ft-13ft

Overall

849

Males

604

M25-29

127

Half→25K

13.1 - 15.5 mi

Top 38%
×2
+48ft-19ft

Overall

749

Males

540

M25-29

111

25K→30K

15.5 - 18.6 mi

Top 35%
×2
+38ft-52ft

Overall

681

Males

483

M25-29

102

30K→35K

18.6 - 21.8 mi

Top 27%
×2
+39ft-39ft

Overall

526

Males

370

M25-29

83

35K→25.2M

21.8 - 25.2 mi

Top 14%
×3
+57ft-58ft

Overall

269

Males

192

M25-29

48

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×1
+17ft-12ft

Overall

227

Males

167

M25-29

44

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
331
Passed By
98
Net Change
+233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#856
5K → 10K2230-8#856#864
10K → 15K835-27#864#891
15K → 20K1816+2#891#889
20K → Half132+11#889#878
Half → 25K347+27#878#851
25K → 30K395+34#851#817
30K → 35K811+80#817#737
35K → 25.2M1082+106#737#631
25.2M → Finish80+8#631#623
TOTALS33198+233
📊

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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