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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Kathryn Patton

Bib: 2891 •F •Age: 48

Silver Spring, MD

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0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Masters (Masters Women)
#0 / 277
Age Group (F45-49)
Official
#0 / 79
Calculated (F45-49)
#0 / 79
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
39:44
3.11 mi
Rank: #1864
Start → 5K
39:44 | 12:48/mi
10K
1:22:08
6.21 mi
Rank: #1888 (-24)
5K → 10K
42:24 | 13:39/mi
15K
2:04:23
9.32 mi
Rank: #1891 (-3)
10K → 15K
42:15 | 13:36/mi
20K
2:46:55
12.43 mi
Rank: #1884 (+7)
15K → 20K
42:32 | 13:42/mi
Half
2:56:53
13.10 mi
Rank: #1875 (+9)
20K → Half
9:58 | 14:52/mi
25K
3:30:55
15.53 mi
Rank: #1870 (+5)
Half → 25K
34:02 | 13:59/mi
30K
4:10:35
18.64 mi
Rank: #1860 (+10)
25K → 30K
39:40 | 12:47/mi
35K
5:02:11
21.75 mi
Rank: #1850 (+10)
30K → 35K
51:36 | 16:37/mi
25.2M
5:51:58
25.20 mi
Rank: #1826 (+24)
35K → 25.2M
49:47 | 14:26/mi
Finish
6:05:51
26.22 mi
Rank: #1826
25.2M → Finish
13:53 | 13:38/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:56:53
Pace13:31 /mi
2nd Half
Distance13.12 mi
Time3:08:58
Pace14:25 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:27:5039:4412:4839:44
12:48
-
10K
6.21 mi09:10:141:22:0813:1442:24
13:39
+0:51
15K
9.32 mi09:52:292:04:2313:2142:15
13:36
-0:03
20K
12.43 mi10:35:012:46:5513:2642:32
13:42
+0:06
Half
13.10 mi10:44:592:56:5313:319:58
14:52
+1:10
25K
15.53 mi11:19:013:30:5513:3534:02
13:59
-0:53
30K
18.64 mi11:58:414:10:3513:2739:40
12:47
-1:12
35K
21.75 mi12:50:175:02:1113:5451:36
16:37
+3:50
25.2M
25.20 mi13:40:045:51:5813:5949:47
14:26
-2:11
Finish
26.22 mi13:53:576:05:5113:5813:53
13:38
-0:48

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

12:47 /mi

Average Pace

13:58 /mi

Slowest Pace

16:37 /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

1:19:24

22% of race

Time at Steady Pace

2:55:06

48% of race

Time at Slower Pace

1:51:21

30% of race

Average Pace: 13:57 /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 mi08:27:5039:4412:4839:44
12:48
#1864
10K
6.21 mi09:10:141:22:0813:1442:24
13:39
#1888
15K
9.32 mi09:52:292:04:2313:2142:15
13:36
#1891
20K
12.43 mi10:35:012:46:5513:2642:32
13:42
#1884
Half
13.10 mi10:44:592:56:5313:319:58
14:52
#1875
25K
15.53 mi11:19:013:30:5513:3534:02
13:59
#1870
30K
18.64 mi11:58:414:10:3513:2739:40
12:47
#1860
35K
21.75 mi12:50:175:02:1113:5451:36
16:37
#1850
25.2M
25.20 mi13:40:045:51:5813:5949:47
14:26
#1826
Finish
26.22 mi13:53:576:05:5113:5813:53
13:38
#1826
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi1864738721879(Top 96%)745(Top 94%)71(Top 90%)
10K6.21 mi3.10 mi1888-24752-1473-11889(Top 97%)755(Top 95%)74(Top 94%)
15K9.32 mi3.11 mi1891-3753-1731879(Top 96%)745(Top 94%)71(Top 90%)
20K12.43 mi3.11 mi1884+7747+672+11850(Top 95%)732(Top 93%)71(Top 90%)
Half13.10 mi0.67 mi1875+9745+2721857(Top 95%)743(Top 94%)71(Top 90%)
25K15.53 mi2.43 mi1870+5739+6721748(Top 90%)684(Top 86%)66(Top 84%)
30K18.64 mi3.11 mi1860+10732+7721749(Top 90%)686(Top 87%)67(Top 85%)
35K21.75 mi3.11 mi1850+10729+371+11715(Top 88%)681(Top 86%)67(Top 85%)
25.2M25.20 mi3.45 mi1826+24716+13711661(Top 85%)661(Top 84%)64(Top 81%)
Finish26.22 mi1.02 mi1826717-1711765(Top 91%)709(Top 90%)71(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×1
+26ft-31ft

Overall

1879

Females

745

F45-49

71

5K→10K

3.1 - 6.2 mi

Top 97%
×2
+38ft-17ft

Overall

1889

Females

755

F45-49

74

10K→15K

6.2 - 9.3 mi

Top 96%
×2
+26ft-44ft

Overall

1879

Females

745

F45-49

71

15K→20K

9.3 - 12.4 mi

Top 95%
×1
+35ft-22ft

Overall

1850

Females

732

F45-49

71

20K→Half

12.4 - 13.1 mi

Top 95%
×1
+7ft-13ft

Overall

1857

Females

743

F45-49

71

Half→25K

13.1 - 15.5 mi

Top 90%
×2
+48ft-19ft

Overall

1748

Females

684

F45-49

66

25K→30K

15.5 - 18.6 mi

Top 90%
×2
+38ft-52ft

Overall

1749

Females

686

F45-49

67

30K→35K

18.6 - 21.8 mi

Top 88%
×2
+39ft-39ft

Overall

1715

Females

681

F45-49

67

35K→25.2M

21.8 - 25.2 mi

Top 85%
×3
+57ft-58ft

Overall

1661

Females

661

F45-49

64

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×1
+17ft-12ft

Overall

1765

Females

709

F45-49

71

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
101
Passed By
63
Net Change
+38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1864
5K → 10K731-24#1864#1888
10K → 15K47-3#1888#1891
15K → 20K114+7#1891#1884
20K → Half90+9#1884#1875
Half → 25K1611+5#1875#1870
25K → 30K122+10#1870#1860
30K → 35K133+10#1860#1850
35K → 25.2M273+24#1850#1826
25.2M → Finish220#1826#1826
TOTALS10163+38
📊

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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