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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Stephen Cupka

Bib: 2189 •M •Age: 40

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Masters (Masters Men)
#0 / 398
Age Group (M40-44)
Official
#0 / 120
Calculated (M40-44)
#0 / 120
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
35:29
3.11 mi
Rank: #1678
Start → 5K
35:29 | 11:26/mi
10K
1:12:07
6.21 mi
Rank: #1693 (-15)
5K → 10K
36:38 | 11:48/mi
15K
1:47:04
9.32 mi
Rank: #1645 (+48)
10K → 15K
34:57 | 11:15/mi
20K
2:24:40
12.43 mi
Rank: #1653 (-8)
15K → 20K
37:36 | 12:07/mi
Half
2:32:30
13.10 mi
Rank: #1638 (+15)
20K → Half
7:50 | 11:41/mi
25K
3:01:46
15.53 mi
Rank: #1611 (+27)
Half → 25K
29:16 | 12:01/mi
30K
3:33:28
18.64 mi
Rank: #1559 (+52)
25K → 30K
31:42 | 10:13/mi
35K
4:15:44
21.75 mi
Rank: #1505 (+54)
30K → 35K
42:16 | 13:37/mi
25.2M
4:55:34
25.20 mi
Rank: #1458 (+47)
35K → 25.2M
39:50 | 11:33/mi
Finish
5:06:10
26.22 mi
Rank: #1449 (+9)
25.2M → Finish
10:36 | 10:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.10 mi
Time2:32:30
Pace11:39 /mi
2nd Half⚖️ Balanced
Distance13.12 mi
Time2:33:41
Pace11:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:17:4935:2911:2635:29
11:26
-
10K
6.21 mi08:54:271:12:0711:3736:38
11:48
+0:22
15K
9.32 mi09:29:241:47:0411:3034:57
11:15
-0:33
20K
12.43 mi10:07:002:24:4011:3937:36
12:07
+0:52
Half
13.10 mi10:14:502:32:3011:397:50
11:41
-0:26
25K
15.53 mi10:44:063:01:4611:4329:16
12:01
+0:20
30K
18.64 mi11:15:483:33:2811:2831:42
10:13
-1:48
35K
21.75 mi11:58:044:15:4411:4642:16
13:37
+3:24
25.2M
25.20 mi12:37:544:55:3411:4439:50
11:33
-2:04
Finish
26.22 mi12:48:305:06:1011:4210:36
10:25
-1:08

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

10:13 /mi

Average Pace

11:41 /mi

Slowest Pace

13:37 /mi

Loading chart...
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

42:18

14% of race

Time at Steady Pace

3:41:36

72% of race

Time at Slower Pace

42:16

14% of race

Average Pace: 11:41 /mi

Loading chart...
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 mi08:17:4935:2911:2635:29
11:26
#1678
10K
6.21 mi08:54:271:12:0711:3736:38
11:48
#1693
15K
9.32 mi09:29:241:47:0411:3034:57
11:15
#1645
20K
12.43 mi10:07:002:24:4011:3937:36
12:07
#1653
Half
13.10 mi10:14:502:32:3011:397:50
11:41
#1638
25K
15.53 mi10:44:063:01:4611:4329:16
12:01
#1611
30K
18.64 mi11:15:483:33:2811:2831:42
10:13
#1559
35K
21.75 mi11:58:044:15:4411:4642:16
13:37
#1505
25.2M
25.20 mi12:37:544:55:3411:4439:50
11:33
#1458
Finish
26.22 mi12:48:305:06:1011:4210:36
10:25
#1449
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi167810461091543(Top 79%)988(Top 86%)104(Top 87%)
10K6.21 mi3.10 mi1693-151060-141091685(Top 86%)1058(Top 92%)109(Top 91%)
15K9.32 mi3.11 mi1645+481035+25106+31543(Top 79%)988(Top 86%)104(Top 87%)
20K12.43 mi3.11 mi1653-81037-2107-11679(Top 86%)1037(Top 90%)106(Top 88%)
Half13.10 mi0.67 mi1638+151027+10105+21414(Top 73%)908(Top 79%)96(Top 80%)
25K15.53 mi2.43 mi1611+271015+12103+21489(Top 76%)935(Top 81%)96(Top 80%)
30K18.64 mi3.11 mi1559+52986+29100+31307(Top 67%)823(Top 71%)87(Top 73%)
35K21.75 mi3.11 mi1505+54947+3997+31262(Top 65%)780(Top 68%)81(Top 68%)
25.2M25.20 mi3.45 mi1458+47918+2994+31044(Top 54%)637(Top 55%)65(Top 54%)
Finish26.22 mi1.02 mi1449+9909+9941093(Top 56%)677(Top 59%)69(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×1
+26ft-31ft

Overall

1543

Males

988

M40-44

104

5K→10K

3.1 - 6.2 mi

Top 86%
×2
+38ft-17ft

Overall

1685

Males

1058

M40-44

109

10K→15K

6.2 - 9.3 mi

Top 79%
×2
+26ft-44ft

Overall

1543

Males

988

M40-44

104

15K→20K

9.3 - 12.4 mi

Top 86%
×1
+35ft-22ft

Overall

1679

Males

1037

M40-44

106

20K→Half

12.4 - 13.1 mi

Top 73%
×1
+7ft-13ft

Overall

1414

Males

908

M40-44

96

Half→25K

13.1 - 15.5 mi

Top 76%
×2
+48ft-19ft

Overall

1489

Males

935

M40-44

96

25K→30K

15.5 - 18.6 mi

Top 67%
×2
+38ft-52ft

Overall

1307

Males

823

M40-44

87

30K→35K

18.6 - 21.8 mi

Top 65%
×2
+39ft-39ft

Overall

1262

Males

780

M40-44

81

35K→25.2M

21.8 - 25.2 mi

Top 54%
×3
+57ft-58ft

Overall

1044

Males

637

M40-44

65

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×1
+17ft-12ft

Overall

1093

Males

677

M40-44

69

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
310
Passed By
81
Net Change
+229
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1678
5K → 10K2843-15#1678#1693
10K → 15K546+48#1693#1645
15K → 20K715-8#1645#1653
20K → Half161+15#1653#1638
Half → 25K358+27#1638#1611
25K → 30K531+52#1611#1559
30K → 35K595+54#1559#1505
35K → 25.2M481+47#1505#1458
25.2M → Finish101+9#1458#1449
TOTALS31081+229
📊

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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