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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

David Baker

Bib: 144 •M •Age: 37

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 41%
Gender (Male)
#0 / 1153
Top 48%
Age Group (M35-39)
Official
#0 / 178
Calculated (M35-39)
#0 / 178
Top 47%
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
28:49
3.11 mi
Rank: #925
Start → 5K
28:49 | 9:17/mi
10K
58:48
6.21 mi
Rank: #978 (-53)
5K → 10K
29:59 | 9:40/mi
15K
1:29:14
9.32 mi
Rank: #1006 (-28)
10K → 15K
30:26 | 9:48/mi
20K
1:59:44
12.43 mi
Rank: #1010 (-4)
15K → 20K
30:30 | 9:50/mi
Half
2:06:49
13.10 mi
Rank: #1005 (+5)
20K → Half
7:05 | 10:34/mi
25K
2:30:48
15.53 mi
Rank: #980 (+25)
Half → 25K
23:59 | 9:51/mi
30K
2:57:35
18.64 mi
Rank: #946 (+34)
25K → 30K
26:47 | 8:38/mi
35K
3:31:29
21.75 mi
Rank: #868 (+78)
30K → 35K
33:54 | 10:55/mi
25.2M
4:06:02
25.20 mi
Rank: #809 (+59)
35K → 25.2M
34:33 | 10:01/mi
Finish
4:15:13
26.22 mi
Rank: #792 (+17)
25.2M → Finish
9:11 | 9:01/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:06:49
Pace9:41 /mi
2nd Half
Distance13.12 mi
Time2:08:24
Pace9:48 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:11:1728:499:1728:49
9:17
-
10K
6.21 mi08:41:1658:489:2829:59
9:40
+0:23
15K
9.32 mi09:11:421:29:149:3530:26
9:48
+0:08
20K
12.43 mi09:42:121:59:449:3930:30
9:50
+0:02
Half
13.10 mi09:49:172:06:499:417:05
10:34
+0:44
25K
15.53 mi10:13:162:30:489:4323:59
9:51
-0:43
30K
18.64 mi10:40:032:57:359:3226:47
8:38
-1:13
35K
21.75 mi11:13:573:31:299:4433:54
10:55
+2:17
25.2M
25.20 mi11:48:304:06:029:4634:33
10:01
-0:54
Finish
26.22 mi11:57:414:15:139:459:11
9:01
-1:00

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

8:38 /mi

Average Pace

9:44 /mi

Slowest Pace

10:55 /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

1:04:47

25% of race

Time at Steady Pace

2:29:27

59% of race

Time at Slower Pace

40:59

16% of race

Average Pace: 9:44 /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 mi08:11:1728:499:1728:49
9:17
#925
10K
6.21 mi08:41:1658:489:2829:59
9:40
#978
15K
9.32 mi09:11:421:29:149:3530:26
9:48
#1006
20K
12.43 mi09:42:121:59:449:3930:30
9:50
#1010
Half
13.10 mi09:49:172:06:499:417:05
10:34
#1005
25K
15.53 mi10:13:162:30:489:4323:59
9:51
#980
30K
18.64 mi10:40:032:57:359:3226:47
8:38
#946
35K
21.75 mi11:13:573:31:299:4433:54
10:55
#868
25.2M
25.20 mi11:48:304:06:029:4634:33
10:01
#809
Finish
26.22 mi11:57:414:15:139:459:11
9:01
#792
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 mi925656981069(Top 55%)728(Top 63%)117(Top 66%)
10K6.21 mi3.10 mi978-53682-26104-61031(Top 53%)713(Top 62%)110(Top 62%)
15K9.32 mi3.11 mi1006-28700-18110-61069(Top 55%)728(Top 63%)117(Top 66%)
20K12.43 mi3.11 mi1010-4699+1111-11077(Top 55%)739(Top 64%)116(Top 65%)
Half13.10 mi0.67 mi1005+5696+3110+11057(Top 54%)721(Top 63%)113(Top 63%)
25K15.53 mi2.43 mi980+25677+19104+6882(Top 45%)621(Top 54%)97(Top 54%)
30K18.64 mi3.11 mi946+34657+20104808(Top 41%)557(Top 48%)84(Top 47%)
35K21.75 mi3.11 mi868+78600+5793+11640(Top 33%)433(Top 38%)61(Top 34%)
25.2M25.20 mi3.45 mi809+59561+3984+9633(Top 32%)415(Top 36%)61(Top 34%)
Finish26.22 mi1.02 mi792+17551+1083+1592(Top 30%)387(Top 34%)55(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×1
+26ft-31ft

Overall

1069

Males

728

M35-39

117

5K→10K

3.1 - 6.2 mi

Top 53%
×2
+38ft-17ft

Overall

1031

Males

713

M35-39

110

10K→15K

6.2 - 9.3 mi

Top 55%
×2
+26ft-44ft

Overall

1069

Males

728

M35-39

117

15K→20K

9.3 - 12.4 mi

Top 55%
×1
+35ft-22ft

Overall

1077

Males

739

M35-39

116

20K→Half

12.4 - 13.1 mi

Top 54%
×1
+7ft-13ft

Overall

1057

Males

721

M35-39

113

Half→25K

13.1 - 15.5 mi

Top 45%
×2
+48ft-19ft

Overall

882

Males

621

M35-39

97

25K→30K

15.5 - 18.6 mi

Top 41%
×2
+38ft-52ft

Overall

808

Males

557

M35-39

84

30K→35K

18.6 - 21.8 mi

Top 33%
×2
+39ft-39ft

Overall

640

Males

433

M35-39

61

35K→25.2M

21.8 - 25.2 mi

Top 32%
×3
+57ft-58ft

Overall

633

Males

415

M35-39

61

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×1
+17ft-12ft

Overall

592

Males

387

M35-39

55

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
255
Passed By
122
Net Change
+133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#925
5K → 10K659-53#925#978
10K → 15K634-28#978#1006
15K → 20K1115-4#1006#1010
20K → Half61+5#1010#1005
Half → 25K305+25#1005#980
25K → 30K373+34#980#946
30K → 35K802+78#946#868
35K → 25.2M623+59#868#809
25.2M → Finish170+17#809#792
TOTALS255122+133
📊

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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