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SHAMROCK MARATHON 2025

Paul Halliday

Bib: 1062•M•Age: 36

Ellicott City, MD

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0:00
0:00
/ mi
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Overall
#0 / 1949
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
28:45
3.11 mi
Rank: #911
Start → 5K
28:45 | 9:16/mi
10K
56:55
6.21 mi
Rank: #861 (+50)
5K → 10K
28:10 | 9:04/mi
15K
1:25:53
9.32 mi
Rank: #887 (-26)
10K → 15K
28:58 | 9:20/mi
20K
1:54:50
12.43 mi
Rank: #877 (+10)
15K → 20K
28:57 | 9:20/mi
Half
2:01:32
13.10 mi
Rank: #874 (+3)
20K → Half
6:42 | 10:00/mi
25K
2:26:14
15.53 mi
Rank: #889 (-15)
Half → 25K
24:42 | 10:09/mi
30K
2:54:36
18.64 mi
Rank: #892 (-3)
25K → 30K
28:22 | 9:08/mi
35K
3:33:46
21.75 mi
Rank: #907 (-15)
30K → 35K
39:10 | 12:37/mi
25.2M
4:17:31
25.20 mi
Rank: #985 (-78)
35K → 25.2M
43:45 | 12:41/mi
Finish
4:28:42
26.22 mi
Rank: #999 (-14)
25.2M → Finish
11:11 | 10:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:01:32
Pace9:17 /mi
2nd Half
Distance13.12 mi
Time2:27:11
Pace11:14 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:01:0428:459:1628:45
9:16
-
10K
6.21 mi08:29:1456:559:1028:10
9:04
-0:12
15K
9.32 mi08:58:121:25:539:1328:58
9:20
+0:16
20K
12.43 mi09:27:091:54:509:1528:57
9:20
0:00
Half
13.10 mi09:33:512:01:329:176:42
10:00
+0:40
25K
15.53 mi09:58:332:26:149:2524:42
10:09
+0:09
30K
18.64 mi10:26:552:54:369:2228:22
9:08
-1:01
35K
21.75 mi11:06:053:33:469:5039:10
12:37
+3:29
25.2M
25.20 mi11:49:504:17:3110:1443:45
12:41
+0:04
Finish
26.22 mi12:01:014:28:4210:1611:11
10:59
-1:42

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

9:04 /mi

Average Pace

10:15 /mi

Slowest Pace

12:41 /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

2:23:12

53% of race

Time at Steady Pace

31:24

12% of race

Time at Slower Pace

1:34:06

35% of race

Average Pace: 10:15 /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 mi08:01:0428:459:1628:45
9:16
#911
10K
6.21 mi08:29:1456:559:1028:10
9:04
#861
15K
9.32 mi08:58:121:25:539:1328:58
9:20
#887
20K
12.43 mi09:27:091:54:509:1528:57
9:20
#877
Half
13.10 mi09:33:512:01:329:176:42
10:00
#874
25K
15.53 mi09:58:332:26:149:2524:42
10:09
#889
30K
18.64 mi10:26:552:54:369:2228:22
9:08
#892
35K
21.75 mi11:06:053:33:469:5039:10
12:37
#907
25.2M
25.20 mi11:49:504:17:3110:1443:45
12:41
#985
Finish
26.22 mi12:01:014:28:4210:1611:11
10:59
#999
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 mi91164897912(Top 47%)648(Top 56%)101(Top 57%)
10K6.21 mi3.10 mi861+50616+3295+2806(Top 41%)573(Top 50%)90(Top 51%)
15K9.32 mi3.11 mi887-26629-1397-2912(Top 47%)648(Top 56%)101(Top 57%)
20K12.43 mi3.11 mi877+10624+596+1884(Top 45%)627(Top 54%)97(Top 54%)
Half13.10 mi0.67 mi874+3622+295+1867(Top 44%)616(Top 53%)99(Top 56%)
25K15.53 mi2.43 mi889-15632-1095976(Top 50%)676(Top 59%)104(Top 58%)
30K18.64 mi3.11 mi892-3630+297-2983(Top 50%)658(Top 57%)100(Top 56%)
35K21.75 mi3.11 mi907-15623+798-11073(Top 55%)687(Top 60%)105(Top 59%)
25.2M25.20 mi3.45 mi985-78652-29104-61336(Top 69%)807(Top 70%)119(Top 67%)
Finish26.22 mi1.02 mi999-14663-11107-31280(Top 66%)784(Top 68%)122(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×1
+26ft-31ft

Overall

912

Males

648

M35-39

101

5K→10K

3.1 - 6.2 mi

Top 41%
×2
+38ft-17ft

Overall

806

Males

573

M35-39

90

10K→15K

6.2 - 9.3 mi

Top 47%
×2
+26ft-44ft

Overall

912

Males

648

M35-39

101

15K→20K

9.3 - 12.4 mi

Top 45%
×1
+35ft-22ft

Overall

884

Males

627

M35-39

97

20K→Half

12.4 - 13.1 mi

Top 44%
×1
+7ft-13ft

Overall

867

Males

616

M35-39

99

Half→25K

13.1 - 15.5 mi

Top 50%
×2
+48ft-19ft

Overall

976

Males

676

M35-39

104

25K→30K

15.5 - 18.6 mi

Top 50%
×2
+38ft-52ft

Overall

983

Males

658

M35-39

100

30K→35K

18.6 - 21.8 mi

Top 55%
×2
+39ft-39ft

Overall

1073

Males

687

M35-39

105

35K→25.2M

21.8 - 25.2 mi

Top 69%
×3
+57ft-58ft

Overall

1336

Males

807

M35-39

119

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×1
+17ft-12ft

Overall

1280

Males

784

M35-39

122

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
159
Passed By
247
Net Change
-88
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#911
5K → 10K588+50#911#861
10K → 15K834-26#861#887
15K → 20K2515+10#887#877
20K → Half63+3#877#874
Half → 25K1025-15#874#889
25K → 30K1922-3#889#892
30K → 35K2439-15#892#907
35K → 25.2M684-78#907#985
25.2M → Finish317-14#985#999
TOTALS159247-88
📊

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
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Activity Data

Upload your GPX file to see detailed activity metrics

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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.

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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management