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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Gregory Rouson

Bib: 3331 •M •Age: 46

Alexandria, 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 (M45-49)
Official
#0 / 89
Calculated (M45-49)
#0 / 89
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
33:52
3.11 mi
Rank: #1513
Start → 5K
33:52 | 10:55/mi
10K
1:10:10
6.21 mi
Rank: #1600 (-87)
5K → 10K
36:18 | 11:42/mi
15K
1:48:18
9.32 mi
Rank: #1672 (-72)
10K → 15K
38:08 | 12:17/mi
20K
2:29:45
12.43 mi
Rank: #1740 (-68)
15K → 20K
41:27 | 13:21/mi
Half
2:40:10
13.10 mi
Rank: #1735 (+5)
20K → Half
10:25 | 15:32/mi
25K
3:16:59
15.53 mi
Rank: #1770 (-35)
Half → 25K
36:49 | 15:07/mi
30K
3:55:22
18.64 mi
Rank: #1766 (+4)
25K → 30K
38:23 | 12:22/mi
35K
4:48:42
21.75 mi
Rank: #1776 (-10)
30K → 35K
53:20 | 17:10/mi
25.2M
5:44:57
25.20 mi
Rank: #1789 (-13)
35K → 25.2M
56:15 | 16:18/mi
Finish
5:57:58
26.22 mi
Rank: #1783 (+6)
25.2M → Finish
13:01 | 12:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:40:10
Pace12:14 /mi
2nd Half
Distance13.12 mi
Time3:17:49
Pace15:05 /mi
📊Positive Split: 23.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:20:1433:5210:5533:52
10:55
-
10K
6.21 mi08:56:321:10:1011:1836:18
11:42
+0:47
15K
9.32 mi09:34:401:48:1811:3838:08
12:17
+0:35
20K
12.43 mi10:16:072:29:4512:0341:27
13:21
+1:04
Half
13.10 mi10:26:322:40:1012:1410:25
15:32
+2:11
25K
15.53 mi11:03:213:16:5912:4136:49
15:07
-0:25
30K
18.64 mi11:41:443:55:2212:3838:23
12:22
-2:45
35K
21.75 mi12:35:044:48:4213:1753:20
17:10
+4:48
25.2M
25.20 mi13:31:195:44:5713:4256:15
16:18
-0:52
Finish
26.22 mi13:44:205:57:5813:4013:01
12:47
-3:31

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

10:55 /mi

Average Pace

13:40 /mi

Slowest Pace

17:10 /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

1:48:18

30% of race

Time at Steady Pace

1:32:51

26% of race

Time at Slower Pace

2:36:49

44% of race

Average Pace: 13:39 /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 mi08:20:1433:5210:5533:52
10:55
#1513
10K
6.21 mi08:56:321:10:1011:1836:18
11:42
#1600
15K
9.32 mi09:34:401:48:1811:3838:08
12:17
#1672
20K
12.43 mi10:16:072:29:4512:0341:27
13:21
#1740
Half
13.10 mi10:26:322:40:1012:1410:25
15:32
#1735
25K
15.53 mi11:03:213:16:5912:4136:49
15:07
#1770
30K
18.64 mi11:41:443:55:2212:3838:23
12:22
#1766
35K
21.75 mi12:35:044:48:4213:1753:20
17:10
#1776
25.2M
25.20 mi13:31:195:44:5713:4256:15
16:18
#1789
Finish
26.22 mi13:44:205:57:5813:4013:01
12:47
#1783
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 mi1513961791753(Top 90%)1083(Top 94%)86(Top 97%)
10K6.21 mi3.10 mi1600-871010-4982-31666(Top 85%)1049(Top 91%)83(Top 93%)
15K9.32 mi3.11 mi1672-721049-3983-11753(Top 90%)1083(Top 94%)86(Top 97%)
20K12.43 mi3.11 mi1740-681077-2886-31832(Top 94%)1107(Top 96%)87(Top 98%)
Half13.10 mi0.67 mi1735+51071+6861879(Top 96%)1118(Top 97%)88(Top 99%)
25K15.53 mi2.43 mi1770-351087-1687-11857(Top 95%)1104(Top 96%)88(Top 99%)
30K18.64 mi3.11 mi1766+41082+588-11703(Top 87%)1031(Top 89%)87(Top 98%)
35K21.75 mi3.11 mi1776-101083-189-11765(Top 91%)1054(Top 91%)86(Top 97%)
25.2M25.20 mi3.45 mi1789-131089-6891845(Top 95%)1093(Top 95%)87(Top 98%)
Finish26.22 mi1.02 mi1783+61086+3891645(Top 84%)985(Top 85%)75(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×1
+26ft-31ft

Overall

1753

Males

1083

M45-49

86

5K→10K

3.1 - 6.2 mi

Top 85%
×2
+38ft-17ft

Overall

1666

Males

1049

M45-49

83

10K→15K

6.2 - 9.3 mi

Top 90%
×2
+26ft-44ft

Overall

1753

Males

1083

M45-49

86

15K→20K

9.3 - 12.4 mi

Top 94%
×1
+35ft-22ft

Overall

1832

Males

1107

M45-49

87

20K→Half

12.4 - 13.1 mi

Top 96%
×1
+7ft-13ft

Overall

1879

Males

1118

M45-49

88

Half→25K

13.1 - 15.5 mi

Top 95%
×2
+48ft-19ft

Overall

1857

Males

1104

M45-49

88

25K→30K

15.5 - 18.6 mi

Top 87%
×2
+38ft-52ft

Overall

1703

Males

1031

M45-49

87

30K→35K

18.6 - 21.8 mi

Top 91%
×2
+39ft-39ft

Overall

1765

Males

1054

M45-49

86

35K→25.2M

21.8 - 25.2 mi

Top 95%
×3
+57ft-58ft

Overall

1845

Males

1093

M45-49

87

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×1
+17ft-12ft

Overall

1645

Males

985

M45-49

75

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
69
Passed By
339
Net Change
-270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1513
5K → 10K13100-87#1513#1600
10K → 15K678-72#1600#1672
15K → 20K371-68#1672#1740
20K → Half116+5#1740#1735
Half → 25K237-35#1735#1770
25K → 30K1612+4#1770#1766
30K → 35K717-10#1766#1776
35K → 25.2M518-13#1776#1789
25.2M → Finish60+6#1789#1783
TOTALS69339-270
📊

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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