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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Peter Taylor

Bib: 1374 •M •Age: 34

Severna Park, MD

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 43%
Gender (Male)
#0 / 1153
Top 50%
Age Group (M30-34)
#0 / 185
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
27:44
3.11 mi
Rank: #741
Start → 5K
27:44 | 8:56/mi
10K
56:03
6.21 mi
Rank: #779 (-38)
5K → 10K
28:19 | 9:07/mi
15K
1:22:41
9.32 mi
Rank: #701 (+78)
10K → 15K
26:38 | 8:35/mi
20K
1:48:59
12.43 mi
Rank: #655 (+46)
15K → 20K
26:18 | 8:28/mi
Half
1:55:16
13.10 mi
Rank: #652 (+3)
20K → Half
6:17 | 9:22/mi
25K
2:18:59
15.53 mi
Rank: #692 (-40)
Half → 25K
23:43 | 9:45/mi
30K
2:44:25
18.64 mi
Rank: #673 (+19)
25K → 30K
25:26 | 8:12/mi
35K
3:22:56
21.75 mi
Rank: #749 (-76)
30K → 35K
38:31 | 12:24/mi
25.2M
4:04:43
25.20 mi
Rank: #789 (-40)
35K → 25.2M
41:47 | 12:07/mi
Finish
4:17:31
26.22 mi
Rank: #840 (-51)
25.2M → Finish
12:48 | 12:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:55:16
Pace8:48 /mi
2nd Half
Distance13.12 mi
Time2:22:16
Pace10:51 /mi
📊Positive Split: 23.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:04:1627:448:5627:44
8:56
-
10K
6.21 mi08:32:3556:039:0228:19
9:07
+0:11
15K
9.32 mi08:59:131:22:418:5326:38
8:35
-0:32
20K
12.43 mi09:25:311:48:598:4726:18
8:28
-0:07
Half
13.10 mi09:31:481:55:168:486:17
9:22
+0:54
25K
15.53 mi09:55:312:18:598:5723:43
9:45
+0:23
30K
18.64 mi10:20:572:44:258:5025:26
8:12
-1:33
35K
21.75 mi10:59:283:22:569:2038:31
12:24
+4:12
25.2M
25.20 mi11:41:154:04:439:4341:47
12:07
-0:17
Finish
26.22 mi11:54:034:17:319:5012:48
12:34
+0:27

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

8:12 /mi

Average Pace

9:50 /mi

Slowest Pace

12:34 /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

51:44

20% of race

Time at Steady Pace

1:52:41

44% of race

Time at Slower Pace

1:33:06

36% of race

Average Pace: 9:49 /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 mi08:04:1627:448:5627:44
8:56
#741
10K
6.21 mi08:32:3556:039:0228:19
9:07
#779
15K
9.32 mi08:59:131:22:418:5326:38
8:35
#701
20K
12.43 mi09:25:311:48:598:4726:18
8:28
#655
Half
13.10 mi09:31:481:55:168:486:17
9:22
#652
25K
15.53 mi09:55:312:18:598:5723:43
9:45
#692
30K
18.64 mi10:20:572:44:258:5025:26
8:12
#673
35K
21.75 mi10:59:283:22:569:2038:31
12:24
#749
25.2M
25.20 mi11:41:154:04:439:4341:47
12:07
#789
Finish
26.22 mi11:54:034:17:319:5012:48
12:34
#840
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi74153191541(Top 28%)404(Top 35%)69(Top 37%)
10K6.21 mi3.10 mi779-38559-2899-8830(Top 43%)587(Top 51%)106(Top 57%)
15K9.32 mi3.11 mi701+78506+5384+15541(Top 28%)404(Top 35%)69(Top 37%)
20K12.43 mi3.11 mi655+46477+2978+6503(Top 26%)378(Top 33%)68(Top 37%)
Half13.10 mi0.67 mi652+3475+277+1623(Top 32%)460(Top 40%)81(Top 44%)
25K15.53 mi2.43 mi692-40503-2886-9842(Top 43%)597(Top 52%)98(Top 53%)
30K18.64 mi3.11 mi673+19490+1382+4653(Top 34%)465(Top 40%)81(Top 44%)
35K21.75 mi3.11 mi749-76533-4391-91015(Top 52%)649(Top 56%)107(Top 58%)
25.2M25.20 mi3.45 mi789-40549-16911200(Top 62%)727(Top 63%)122(Top 66%)
Finish26.22 mi1.02 mi840-51573-2497-61609(Top 83%)965(Top 84%)160(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×1
+26ft-31ft

Overall

541

Males

404

M30-34

69

5K→10K

3.1 - 6.2 mi

Top 43%
×2
+38ft-17ft

Overall

830

Males

587

M30-34

106

10K→15K

6.2 - 9.3 mi

Top 28%
×2
+26ft-44ft

Overall

541

Males

404

M30-34

69

15K→20K

9.3 - 12.4 mi

Top 26%
×1
+35ft-22ft

Overall

503

Males

378

M30-34

68

20K→Half

12.4 - 13.1 mi

Top 32%
×1
+7ft-13ft

Overall

623

Males

460

M30-34

81

Half→25K

13.1 - 15.5 mi

Top 43%
×2
+48ft-19ft

Overall

842

Males

597

M30-34

98

25K→30K

15.5 - 18.6 mi

Top 34%
×2
+38ft-52ft

Overall

653

Males

465

M30-34

81

30K→35K

18.6 - 21.8 mi

Top 52%
×2
+39ft-39ft

Overall

1015

Males

649

M30-34

107

35K→25.2M

21.8 - 25.2 mi

Top 62%
×3
+57ft-58ft

Overall

1200

Males

727

M30-34

122

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×1
+17ft-12ft

Overall

1609

Males

965

M30-34

160

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
193
Passed By
292
Net Change
-99
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#741
5K → 10K745-38#741#779
10K → 15K780+78#779#701
15K → 20K460+46#701#655
20K → Half74+3#655#652
Half → 25K242-40#652#692
25K → 30K3314+19#692#673
30K → 35K783-76#673#749
35K → 25.2M1353-40#749#789
25.2M → Finish051-51#789#840
TOTALS193292-99
📊

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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