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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Jun Li

Bib: 3368 •M •Age: 40

Gainesville, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Masters (Masters Men)
#0 / 398
Age Group (M40-44)
Official
#0 / 120
Calculated (M40-44)
#0 / 120
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
38:49
3.11 mi
Rank: #1844
Start → 5K
38:49 | 12:30/mi
10K
1:18:20
6.21 mi
Rank: #1834 (+10)
5K → 10K
39:31 | 12:44/mi
15K
2:00:44
9.32 mi
Rank: #1856 (-22)
10K → 15K
42:24 | 13:39/mi
20K
2:41:33
12.43 mi
Rank: #1849 (+7)
15K → 20K
40:49 | 13:09/mi
Half
2:50:12
13.10 mi
Rank: #1832 (+17)
20K → Half
8:39 | 12:54/mi
25K
3:24:55
15.53 mi
Rank: #1836 (-4)
Half → 25K
34:43 | 14:16/mi
30K
4:09:15
18.64 mi
Rank: #1854 (-18)
25K → 30K
44:20 | 14:17/mi
35K
5:05:14
21.75 mi
Rank: #1860 (-6)
30K → 35K
55:59 | 18:02/mi
25.2M
6:02:15
25.20 mi
Rank: #1867 (-7)
35K → 25.2M
57:01 | 16:32/mi
Finish
6:17:09
26.22 mi
Rank: #1867
25.2M → Finish
14:54 | 14:38/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:50:12
Pace13:00 /mi
2nd Half
Distance13.12 mi
Time3:26:57
Pace15:47 /mi
📊Positive Split: 21.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:27:1438:4912:3038:49
12:30
-
10K
6.21 mi09:06:451:18:2012:3739:31
12:44
+0:14
15K
9.32 mi09:49:092:00:4412:5842:24
13:39
+0:55
20K
12.43 mi10:29:582:41:3313:0040:49
13:09
-0:30
Half
13.10 mi10:38:372:50:1213:008:39
12:54
-0:15
25K
15.53 mi11:13:203:24:5513:1234:43
14:16
+1:22
30K
18.64 mi11:57:404:09:1513:2344:20
14:17
+0:01
35K
21.75 mi12:53:395:05:1414:0355:59
18:02
+3:45
25.2M
25.20 mi13:50:406:02:1514:2357:01
16:32
-1:30
Finish
26.22 mi14:05:346:17:0914:2414:54
14:38
-1:54

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

12:30 /mi

Average Pace

14:24 /mi

Slowest Pace

18:02 /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

2:07:48

34% of race

Time at Steady Pace

2:16:21

36% of race

Time at Slower Pace

1:53:00

30% of race

Average Pace: 14:23 /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 mi08:27:1438:4912:3038:49
12:30
#1844
10K
6.21 mi09:06:451:18:2012:3739:31
12:44
#1834
15K
9.32 mi09:49:092:00:4412:5842:24
13:39
#1856
20K
12.43 mi10:29:582:41:3313:0040:49
13:09
#1849
Half
13.10 mi10:38:372:50:1213:008:39
12:54
#1832
25K
15.53 mi11:13:203:24:5513:1234:43
14:16
#1836
30K
18.64 mi11:57:404:09:1513:2344:20
14:17
#1854
35K
21.75 mi12:53:395:05:1414:0355:59
18:02
#1860
25.2M
25.20 mi13:50:406:02:1514:2357:01
16:32
#1867
Finish
26.22 mi14:05:346:17:0914:2414:54
14:38
#1867
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi184411121141881(Top 97%)1130(Top 98%)114(Top 95%)
10K6.21 mi3.10 mi1834+101115-3113+11821(Top 93%)1110(Top 96%)114(Top 95%)
15K9.32 mi3.11 mi1856-221125-10114-11881(Top 97%)1130(Top 98%)114(Top 95%)
20K12.43 mi3.11 mi1849+71123+21141804(Top 93%)1099(Top 95%)112(Top 93%)
Half13.10 mi0.67 mi1832+171113+10113+11658(Top 85%)1024(Top 89%)105(Top 88%)
25K15.53 mi2.43 mi1836-41114-1112+11779(Top 91%)1077(Top 93%)108(Top 90%)
30K18.64 mi3.11 mi1854-181120-6113-11891(Top 97%)1121(Top 97%)113(Top 94%)
35K21.75 mi3.11 mi1860-61119+11131829(Top 94%)1085(Top 94%)111(Top 93%)
25.2M25.20 mi3.45 mi1867-711191131865(Top 96%)1105(Top 96%)114(Top 95%)
Finish26.22 mi1.02 mi18671118+11131839(Top 94%)1088(Top 94%)109(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×1
+26ft-31ft

Overall

1881

Males

1130

M40-44

114

5K→10K

3.1 - 6.2 mi

Top 93%
×2
+38ft-17ft

Overall

1821

Males

1110

M40-44

114

10K→15K

6.2 - 9.3 mi

Top 97%
×2
+26ft-44ft

Overall

1881

Males

1130

M40-44

114

15K→20K

9.3 - 12.4 mi

Top 93%
×1
+35ft-22ft

Overall

1804

Males

1099

M40-44

112

20K→Half

12.4 - 13.1 mi

Top 85%
×1
+7ft-13ft

Overall

1658

Males

1024

M40-44

105

Half→25K

13.1 - 15.5 mi

Top 91%
×2
+48ft-19ft

Overall

1779

Males

1077

M40-44

108

25K→30K

15.5 - 18.6 mi

Top 97%
×2
+38ft-52ft

Overall

1891

Males

1121

M40-44

113

30K→35K

18.6 - 21.8 mi

Top 94%
×2
+39ft-39ft

Overall

1829

Males

1085

M40-44

111

35K→25.2M

21.8 - 25.2 mi

Top 96%
×3
+57ft-58ft

Overall

1865

Males

1105

M40-44

114

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×1
+17ft-12ft

Overall

1839

Males

1088

M40-44

109

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
84
Passed By
107
Net Change
-23
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1844
5K → 10K3020+10#1844#1834
10K → 15K325-22#1834#1856
15K → 20K114+7#1856#1849
20K → Half170+17#1849#1832
Half → 25K1216-4#1832#1836
25K → 30K018-18#1836#1854
30K → 35K612-6#1854#1860
35K → 25.2M411-7#1860#1867
25.2M → Finish110#1867#1867
TOTALS84107-23
📊

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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