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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Eric Coulson

Bib: 103 •M •Age: 55

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Top 40%
Gender (Male)
#0 / 1153
Top 47%
Masters (Masters Men)
#0 / 398
Top 46%
Age Group (M55-59)
#0 / 61
Top 46%
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
26:43
3.11 mi
Rank: #568
Start → 5K
26:43 | 8:36/mi
10K
53:55
6.21 mi
Rank: #619 (-51)
5K → 10K
27:12 | 8:46/mi
15K
1:20:54
9.32 mi
Rank: #611 (+8)
10K → 15K
26:59 | 8:42/mi
20K
1:48:24
12.43 mi
Rank: #638 (-27)
15K → 20K
27:30 | 8:52/mi
Half
1:54:48
13.10 mi
Rank: #632 (+6)
20K → Half
6:24 | 9:33/mi
25K
2:17:44
15.53 mi
Rank: #648 (-16)
Half → 25K
22:56 | 9:25/mi
30K
2:45:01
18.64 mi
Rank: #696 (-48)
25K → 30K
27:17 | 8:47/mi
35K
3:24:05
21.75 mi
Rank: #768 (-72)
30K → 35K
39:04 | 12:35/mi
25.2M
4:02:40
25.20 mi
Rank: #767 (+1)
35K → 25.2M
38:35 | 11:11/mi
Finish
4:14:04
26.22 mi
Rank: #781 (-14)
25.2M → Finish
11:24 | 11:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:54:48
Pace8:46 /mi
2nd Half
Distance13.12 mi
Time2:19:16
Pace10:37 /mi
📊Positive Split: 21.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:57:1326:438:3626:43
8:36
-
10K
6.21 mi08:24:2553:558:4127:12
8:46
+0:10
15K
9.32 mi08:51:241:20:548:4126:59
8:42
-0:04
20K
12.43 mi09:18:541:48:248:4427:30
8:52
+0:10
Half
13.10 mi09:25:181:54:488:466:24
9:33
+0:41
25K
15.53 mi09:48:142:17:448:5222:56
9:25
-0:08
30K
18.64 mi10:15:312:45:018:5227:17
8:47
-0:38
35K
21.75 mi10:54:353:24:059:2439:04
12:35
+3:48
25.2M
25.20 mi11:33:104:02:409:3838:35
11:11
-1:24
Finish
26.22 mi11:44:344:14:049:4211:24
11:12
+0:01

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

8:36 /mi

Average Pace

9:42 /mi

Slowest Pace

12:35 /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

53:42

21% of race

Time at Steady Pace

1:51:19

44% of race

Time at Slower Pace

1:29:03

35% of race

Average Pace: 9:41 /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 mi07:57:1326:438:3626:43
8:36
#568
10K
6.21 mi08:24:2553:558:4127:12
8:46
#619
15K
9.32 mi08:51:241:20:548:4126:59
8:42
#611
20K
12.43 mi09:18:541:48:248:4427:30
8:52
#638
Half
13.10 mi09:25:181:54:488:466:24
9:33
#632
25K
15.53 mi09:48:142:17:448:5222:56
9:25
#648
30K
18.64 mi10:15:312:45:018:5227:17
8:47
#696
35K
21.75 mi10:54:353:24:059:2439:04
12:35
#768
25.2M
25.20 mi11:33:104:02:409:3838:35
11:11
#767
Finish
26.22 mi11:44:344:14:049:4211:24
11:12
#781
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi56842522596(Top 31%)439(Top 38%)22(Top 36%)
10K6.21 mi3.10 mi619-51456-3122653(Top 34%)475(Top 41%)23(Top 38%)
15K9.32 mi3.11 mi611+8449+722596(Top 31%)439(Top 38%)22(Top 36%)
20K12.43 mi3.11 mi638-27468-1922703(Top 36%)515(Top 45%)24(Top 39%)
Half13.10 mi0.67 mi632+6465+322704(Top 36%)516(Top 45%)25(Top 41%)
25K15.53 mi2.43 mi648-16478-1323-1744(Top 38%)537(Top 47%)26(Top 43%)
30K18.64 mi3.11 mi696-48503-2525-2866(Top 44%)595(Top 52%)30(Top 49%)
35K21.75 mi3.11 mi768-72545-4227-21068(Top 55%)684(Top 59%)33(Top 54%)
25.2M25.20 mi3.45 mi767+1533+1228-1961(Top 49%)590(Top 51%)30(Top 49%)
Finish26.22 mi1.02 mi781-14543-10281339(Top 69%)811(Top 70%)35(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×1
+26ft-31ft

Overall

596

Males

439

M55-59

22

5K→10K

3.1 - 6.2 mi

Top 34%
×2
+38ft-17ft

Overall

653

Males

475

M55-59

23

10K→15K

6.2 - 9.3 mi

Top 31%
×2
+26ft-44ft

Overall

596

Males

439

M55-59

22

15K→20K

9.3 - 12.4 mi

Top 36%
×1
+35ft-22ft

Overall

703

Males

515

M55-59

24

20K→Half

12.4 - 13.1 mi

Top 36%
×1
+7ft-13ft

Overall

704

Males

516

M55-59

25

Half→25K

13.1 - 15.5 mi

Top 38%
×2
+48ft-19ft

Overall

744

Males

537

M55-59

26

25K→30K

15.5 - 18.6 mi

Top 44%
×2
+38ft-52ft

Overall

866

Males

595

M55-59

30

30K→35K

18.6 - 21.8 mi

Top 55%
×2
+39ft-39ft

Overall

1068

Males

684

M55-59

33

35K→25.2M

21.8 - 25.2 mi

Top 49%
×3
+57ft-58ft

Overall

961

Males

590

M55-59

30

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×1
+17ft-12ft

Overall

1339

Males

811

M55-59

35

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
95
Passed By
308
Net Change
-213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#568
5K → 10K960-51#568#619
10K → 15K1810+8#619#611
15K → 20K532-27#611#638
20K → Half93+6#638#632
Half → 25K824-16#632#648
25K → 30K1058-48#648#696
30K → 35K1183-72#696#768
35K → 25.2M2423+1#768#767
25.2M → Finish115-14#767#781
TOTALS95308-213
📊

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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