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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Linsey Pierre

Bib: 2121 •F •Age: 28

Norfolk, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Age Group (F25-29)
Official
#0 / 180
Calculated (F25-29)
#0 / 180
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
36:29
3.11 mi
Rank: #1739
Start → 5K
36:29 | 11:45/mi
10K
1:13:52
6.21 mi
Rank: #1735 (+4)
5K → 10K
37:23 | 12:02/mi
15K
1:50:51
9.32 mi
Rank: #1723 (+12)
10K → 15K
36:59 | 11:55/mi
20K
2:27:24
12.43 mi
Rank: #1696 (+27)
15K → 20K
36:33 | 11:46/mi
Half
2:35:35
13.10 mi
Rank: #1680 (+16)
20K → Half
8:11 | 12:12/mi
25K
3:04:42
15.53 mi
Rank: #1664 (+16)
Half → 25K
29:07 | 11:58/mi
30K
3:39:25
18.64 mi
Rank: #1630 (+34)
25K → 30K
34:43 | 11:11/mi
35K
4:26:35
21.75 mi
Rank: #1620 (+10)
30K → 35K
47:10 | 15:11/mi
25.2M
5:14:10
25.20 mi
Rank: #1610 (+10)
35K → 25.2M
47:35 | 13:48/mi
Finish
5:26:04
26.22 mi
Rank: #1610
25.2M → Finish
11:54 | 11:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:35:35
Pace11:53 /mi
2nd Half
Distance13.12 mi
Time2:50:30
Pace13:00 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:22:3836:2911:4536:29
11:45
-
10K
6.21 mi09:00:011:13:5211:5437:23
12:02
+0:17
15K
9.32 mi09:37:001:50:5111:5436:59
11:55
-0:07
20K
12.43 mi10:13:332:27:2411:5236:33
11:46
-0:09
Half
13.10 mi10:21:442:35:3511:538:11
12:12
+0:26
25K
15.53 mi10:50:513:04:4211:5429:07
11:58
-0:14
30K
18.64 mi11:25:343:39:2511:4734:43
11:11
-0:47
35K
21.75 mi12:12:444:26:3512:1647:10
15:11
+4:00
25.2M
25.20 mi13:00:195:14:1012:2947:35
13:48
-1:23
Finish
26.22 mi13:12:135:26:0412:2711:54
11:41
-2:07

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

11:11 /mi

Average Pace

12:27 /mi

Slowest Pace

15:11 /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

34:43

11% of race

Time at Steady Pace

3:16:36

60% of race

Time at Slower Pace

1:34:45

29% of race

Average Pace: 12:26 /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 mi08:22:3836:2911:4536:29
11:45
#1739
10K
6.21 mi09:00:011:13:5211:5437:23
12:02
#1735
15K
9.32 mi09:37:001:50:5111:5436:59
11:55
#1723
20K
12.43 mi10:13:332:27:2411:5236:33
11:46
#1696
Half
13.10 mi10:21:442:35:3511:538:11
12:12
#1680
25K
15.53 mi10:50:513:04:4211:5429:07
11:58
#1664
30K
18.64 mi11:25:343:39:2511:4734:43
11:11
#1630
35K
21.75 mi12:12:444:26:3512:1647:10
15:11
#1620
25.2M
25.20 mi13:00:195:14:1012:2947:35
13:48
#1610
Finish
26.22 mi13:12:135:26:0412:2711:54
11:41
#1610
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi17396531521680(Top 86%)621(Top 79%)150(Top 83%)
10K6.21 mi3.10 mi1735+4651+2153-11737(Top 89%)653(Top 83%)155(Top 86%)
15K9.32 mi3.11 mi1723+12645+6152+11680(Top 86%)621(Top 79%)150(Top 83%)
20K12.43 mi3.11 mi1696+27636+91521619(Top 83%)600(Top 76%)147(Top 82%)
Half13.10 mi0.67 mi1680+16631+51521544(Top 79%)566(Top 72%)141(Top 78%)
25K15.53 mi2.43 mi1664+16622+9151+11479(Top 76%)548(Top 69%)137(Top 76%)
30K18.64 mi3.11 mi1630+34611+11149+21525(Top 78%)580(Top 73%)144(Top 80%)
35K21.75 mi3.11 mi1620+10609+21491526(Top 78%)599(Top 76%)147(Top 82%)
25.2M25.20 mi3.45 mi1610+10607+21491572(Top 81%)627(Top 79%)152(Top 84%)
Finish26.22 mi1.02 mi1610609-21491460(Top 75%)578(Top 73%)148(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×1
+26ft-31ft

Overall

1680

Females

621

F25-29

150

5K→10K

3.1 - 6.2 mi

Top 89%
×2
+38ft-17ft

Overall

1737

Females

653

F25-29

155

10K→15K

6.2 - 9.3 mi

Top 86%
×2
+26ft-44ft

Overall

1680

Females

621

F25-29

150

15K→20K

9.3 - 12.4 mi

Top 83%
×1
+35ft-22ft

Overall

1619

Females

600

F25-29

147

20K→Half

12.4 - 13.1 mi

Top 79%
×1
+7ft-13ft

Overall

1544

Females

566

F25-29

141

Half→25K

13.1 - 15.5 mi

Top 76%
×2
+48ft-19ft

Overall

1479

Females

548

F25-29

137

25K→30K

15.5 - 18.6 mi

Top 78%
×2
+38ft-52ft

Overall

1525

Females

580

F25-29

144

30K→35K

18.6 - 21.8 mi

Top 78%
×2
+39ft-39ft

Overall

1526

Females

599

F25-29

147

35K→25.2M

21.8 - 25.2 mi

Top 81%
×3
+57ft-58ft

Overall

1572

Females

627

F25-29

152

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×1
+17ft-12ft

Overall

1460

Females

578

F25-29

148

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
203
Passed By
74
Net Change
+129
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1739
5K → 10K2723+4#1739#1735
10K → 15K208+12#1735#1723
15K → 20K314+27#1723#1696
20K → Half171+16#1696#1680
Half → 25K259+16#1680#1664
25K → 30K428+34#1664#1630
30K → 35K2414+10#1630#1620
35K → 25.2M144+10#1620#1610
25.2M → Finish330#1610#1610
TOTALS20374+129
📊

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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