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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Michael Porter

Bib: 1360 •M •Age: 37

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 48%
Gender (Male)
#0 / 1153
Age Group (M35-39)
Official
#0 / 178
Calculated (M35-39)
#0 / 178
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
27:43
3.11 mi
Rank: #739
Start → 5K
27:43 | 8:56/mi
10K
56:00
6.21 mi
Rank: #776 (-37)
5K → 10K
28:17 | 9:07/mi
15K
1:24:25
9.32 mi
Rank: #797 (-21)
10K → 15K
28:25 | 9:09/mi
20K
1:52:43
12.43 mi
Rank: #803 (-6)
15K → 20K
28:18 | 9:07/mi
Half
1:59:33
13.10 mi
Rank: #808 (-5)
20K → Half
6:50 | 10:11/mi
25K
2:24:44
15.53 mi
Rank: #856 (-48)
Half → 25K
25:11 | 10:21/mi
30K
2:53:28
18.64 mi
Rank: #867 (-11)
25K → 30K
28:44 | 9:15/mi
35K
3:33:38
21.75 mi
Rank: #899 (-32)
30K → 35K
40:10 | 12:56/mi
25.2M
4:13:12
25.20 mi
Rank: #928 (-29)
35K → 25.2M
39:34 | 11:28/mi
Finish
4:23:58
26.22 mi
Rank: #933 (-5)
25.2M → Finish
10:46 | 10:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:59:33
Pace9:08 /mi
2nd Half
Distance13.12 mi
Time2:24:26
Pace11:01 /mi
📊Positive Split: 20.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:04:0227:438:5627:43
8:56
-
10K
6.21 mi08:32:1956:009:0128:17
9:07
+0:11
15K
9.32 mi09:00:441:24:259:0428:25
9:09
+0:02
20K
12.43 mi09:29:021:52:439:0528:18
9:07
-0:02
Half
13.10 mi09:35:521:59:339:086:50
10:11
+1:04
25K
15.53 mi10:01:032:24:449:2025:11
10:21
+0:10
30K
18.64 mi10:29:472:53:289:1928:44
9:15
-1:06
35K
21.75 mi11:09:573:33:389:5040:10
12:56
+3:41
25.2M
25.20 mi11:49:314:13:1210:0339:34
11:28
-1:28
Finish
26.22 mi12:00:174:23:5810:0510:46
10:34
-0:54

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

8:56 /mi

Average Pace

10:05 /mi

Slowest Pace

12:56 /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

2:21:27

54% of race

Time at Steady Pace

42:47

16% of race

Time at Slower Pace

1:19:44

30% of race

Average Pace: 10:04 /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 mi08:04:0227:438:5627:43
8:56
#739
10K
6.21 mi08:32:1956:009:0128:17
9:07
#776
15K
9.32 mi09:00:441:24:259:0428:25
9:09
#797
20K
12.43 mi09:29:021:52:439:0528:18
9:07
#803
Half
13.10 mi09:35:521:59:339:086:50
10:11
#808
25K
15.53 mi10:01:032:24:449:2025:11
10:21
#856
30K
18.64 mi10:29:472:53:289:1928:44
9:15
#867
35K
21.75 mi11:09:573:33:389:5040:10
12:56
#899
25.2M
25.20 mi11:49:314:13:1210:0339:34
11:28
#928
Finish
26.22 mi12:00:174:23:5810:0510:46
10:34
#933
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi73952985846(Top 43%)604(Top 52%)96(Top 54%)
10K6.21 mi3.10 mi776-37556-2788-3824(Top 42%)584(Top 51%)95(Top 53%)
15K9.32 mi3.11 mi797-21569-1388846(Top 43%)604(Top 52%)96(Top 54%)
20K12.43 mi3.11 mi803-6574-589-1820(Top 42%)588(Top 51%)92(Top 52%)
Half13.10 mi0.67 mi808-5578-491-2916(Top 47%)646(Top 56%)103(Top 58%)
25K15.53 mi2.43 mi856-48614-3694-31025(Top 53%)701(Top 61%)108(Top 61%)
30K18.64 mi3.11 mi867-11615-1941020(Top 52%)680(Top 59%)103(Top 58%)
35K21.75 mi3.11 mi899-32619-496-21154(Top 59%)723(Top 63%)113(Top 63%)
25.2M25.20 mi3.45 mi928-29627-8100-41030(Top 53%)627(Top 54%)97(Top 54%)
Finish26.22 mi1.02 mi933-5628-11001163(Top 60%)720(Top 62%)112(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×1
+26ft-31ft

Overall

846

Males

604

M35-39

96

5K→10K

3.1 - 6.2 mi

Top 42%
×2
+38ft-17ft

Overall

824

Males

584

M35-39

95

10K→15K

6.2 - 9.3 mi

Top 43%
×2
+26ft-44ft

Overall

846

Males

604

M35-39

96

15K→20K

9.3 - 12.4 mi

Top 42%
×1
+35ft-22ft

Overall

820

Males

588

M35-39

92

20K→Half

12.4 - 13.1 mi

Top 47%
×1
+7ft-13ft

Overall

916

Males

646

M35-39

103

Half→25K

13.1 - 15.5 mi

Top 53%
×2
+48ft-19ft

Overall

1025

Males

701

M35-39

108

25K→30K

15.5 - 18.6 mi

Top 52%
×2
+38ft-52ft

Overall

1020

Males

680

M35-39

103

30K→35K

18.6 - 21.8 mi

Top 59%
×2
+39ft-39ft

Overall

1154

Males

723

M35-39

113

35K→25.2M

21.8 - 25.2 mi

Top 53%
×3
+57ft-58ft

Overall

1030

Males

627

M35-39

97

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×1
+17ft-12ft

Overall

1163

Males

720

M35-39

112

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
86
Passed By
280
Net Change
-194
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#739
5K → 10K744-37#739#776
10K → 15K1132-21#776#797
15K → 20K1218-6#797#803
20K → Half611-5#803#808
Half → 25K654-48#808#856
25K → 30K1324-11#856#867
30K → 35K1446-32#867#899
35K → 25.2M1443-29#899#928
25.2M → Finish38-5#928#933
TOTALS86280-194
📊

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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