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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Loren Brady

Bib: 373 •M •Age: 33

Norfolk, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
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
29:38
3.11 mi
Rank: #1012
Start → 5K
29:38 | 9:33/mi
10K
59:48
6.21 mi
Rank: #1031 (-19)
5K → 10K
30:10 | 9:43/mi
15K
1:31:09
9.32 mi
Rank: #1077 (-46)
10K → 15K
31:21 | 10:06/mi
20K
2:03:05
12.43 mi
Rank: #1115 (-38)
15K → 20K
31:56 | 10:17/mi
Half
2:10:29
13.10 mi
Rank: #1111 (+4)
20K → Half
7:24 | 11:02/mi
25K
2:38:53
15.53 mi
Rank: #1161 (-50)
Half → 25K
28:24 | 11:40/mi
30K
3:11:16
18.64 mi
Rank: #1216 (-55)
25K → 30K
32:23 | 10:26/mi
35K
3:56:21
21.75 mi
Rank: #1265 (-49)
30K → 35K
45:05 | 14:31/mi
25.2M
4:42:38
25.20 mi
Rank: #1303 (-38)
35K → 25.2M
46:17 | 13:25/mi
Finish
4:54:26
26.22 mi
Rank: #1307 (-4)
25.2M → Finish
11:48 | 11:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:10:29
Pace9:58 /mi
2nd Half
Distance13.12 mi
Time2:43:58
Pace12:30 /mi
📊Positive Split: 25.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:07:4729:389:3329:38
9:33
-
10K
6.21 mi08:37:5759:489:3830:10
9:43
+0:10
15K
9.32 mi09:09:181:31:099:4731:21
10:06
+0:23
20K
12.43 mi09:41:142:03:059:5531:56
10:17
+0:11
Half
13.10 mi09:48:382:10:299:587:24
11:02
+0:45
25K
15.53 mi10:17:022:38:5310:1428:24
11:40
+0:38
30K
18.64 mi10:49:253:11:1610:1632:23
10:26
-1:14
35K
21.75 mi11:34:303:56:2110:5345:05
14:31
+4:05
25.2M
25.20 mi12:20:474:42:3811:1346:17
13:25
-1:06
Finish
26.22 mi12:32:354:54:2611:1511:48
11:35
-1:50

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

9:33 /mi

Average Pace

11:14 /mi

Slowest Pace

14:31 /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

1:31:09

31% of race

Time at Steady Pace

1:51:55

38% of race

Time at Slower Pace

1:31:22

31% of race

Average Pace: 11:14 /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 mi08:07:4729:389:3329:38
9:33
#1012
10K
6.21 mi08:37:5759:489:3830:10
9:43
#1031
15K
9.32 mi09:09:181:31:099:4731:21
10:06
#1077
20K
12.43 mi09:41:142:03:059:5531:56
10:17
#1115
Half
13.10 mi09:48:382:10:299:587:24
11:02
#1111
25K
15.53 mi10:17:022:38:5310:1428:24
11:40
#1161
30K
18.64 mi10:49:253:11:1610:1632:23
10:26
#1216
35K
21.75 mi11:34:303:56:2110:5345:05
14:31
#1265
25.2M
25.20 mi12:20:474:42:3811:1346:17
13:25
#1303
Finish
26.22 mi12:32:354:54:2611:1511:48
11:35
#1307
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 mi10127021201179(Top 60%)796(Top 69%)137(Top 74%)
10K6.21 mi3.10 mi1031-19712-10123-31052(Top 54%)727(Top 63%)124(Top 67%)
15K9.32 mi3.11 mi1077-46735-23125-21179(Top 60%)796(Top 69%)137(Top 74%)
20K12.43 mi3.11 mi1115-38757-22131-61220(Top 63%)815(Top 71%)144(Top 78%)
Half13.10 mi0.67 mi1111+4753+4130+11203(Top 62%)802(Top 70%)140(Top 76%)
25K15.53 mi2.43 mi1161-50786-33138-81413(Top 72%)897(Top 78%)148(Top 80%)
30K18.64 mi3.11 mi1216-55806-20140-21373(Top 70%)856(Top 74%)143(Top 77%)
35K21.75 mi3.11 mi1265-49820-141401425(Top 73%)869(Top 75%)144(Top 78%)
25.2M25.20 mi3.45 mi1303-38832-12138+21516(Top 78%)906(Top 79%)151(Top 82%)
Finish26.22 mi1.02 mi1307-4834-2137+11435(Top 74%)862(Top 75%)144(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×1
+26ft-31ft

Overall

1179

Males

796

M30-34

137

5K→10K

3.1 - 6.2 mi

Top 54%
×2
+38ft-17ft

Overall

1052

Males

727

M30-34

124

10K→15K

6.2 - 9.3 mi

Top 60%
×2
+26ft-44ft

Overall

1179

Males

796

M30-34

137

15K→20K

9.3 - 12.4 mi

Top 63%
×1
+35ft-22ft

Overall

1220

Males

815

M30-34

144

20K→Half

12.4 - 13.1 mi

Top 62%
×1
+7ft-13ft

Overall

1203

Males

802

M30-34

140

Half→25K

13.1 - 15.5 mi

Top 72%
×2
+48ft-19ft

Overall

1413

Males

897

M30-34

148

25K→30K

15.5 - 18.6 mi

Top 70%
×2
+38ft-52ft

Overall

1373

Males

856

M30-34

143

30K→35K

18.6 - 21.8 mi

Top 73%
×2
+39ft-39ft

Overall

1425

Males

869

M30-34

144

35K→25.2M

21.8 - 25.2 mi

Top 78%
×3
+57ft-58ft

Overall

1516

Males

906

M30-34

151

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×1
+17ft-12ft

Overall

1435

Males

862

M30-34

144

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
73
Passed By
368
Net Change
-295
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1012
5K → 10K1635-19#1012#1031
10K → 15K652-46#1031#1077
15K → 20K341-38#1077#1115
20K → Half95+4#1115#1111
Half → 25K353-50#1111#1161
25K → 30K1570-55#1161#1216
30K → 35K1160-49#1216#1265
35K → 25.2M644-38#1265#1303
25.2M → Finish48-4#1303#1307
TOTALS73368-295
📊

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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