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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Matthew Rose

Bib: 447 •M •Age: 24

Norfolk, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M20-24)
Official
#0 / 127
Calculated (M20-24)
#0 / 127
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
33:12
3.11 mi
Rank: #1442
Start → 5K
33:12 | 10:42/mi
10K
1:08:13
6.21 mi
Rank: #1497 (-55)
5K → 10K
35:01 | 11:17/mi
15K
1:45:10
9.32 mi
Rank: #1587 (-90)
10K → 15K
36:57 | 11:54/mi
20K
2:19:43
12.43 mi
Rank: #1554 (+33)
15K → 20K
34:33 | 11:08/mi
Half
2:27:43
13.10 mi
Rank: #1538 (+16)
20K → Half
8:00 | 11:56/mi
25K
2:57:28
15.53 mi
Rank: #1544 (-6)
Half → 25K
29:45 | 12:13/mi
30K
3:32:33
18.64 mi
Rank: #1553 (-9)
25K → 30K
35:05 | 11:18/mi
35K
4:17:06
21.75 mi
Rank: #1523 (+30)
30K → 35K
44:33 | 14:21/mi
25.2M
4:58:44
25.20 mi
Rank: #1485 (+38)
35K → 25.2M
41:38 | 12:04/mi
Finish
5:09:21
26.22 mi
Rank: #1476 (+9)
25.2M → Finish
10:37 | 10:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:27:43
Pace11:17 /mi
2nd Half
Distance13.12 mi
Time2:41:39
Pace12:20 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:05:4033:1210:4233:12
10:42
-
10K
6.21 mi08:40:411:08:1310:5935:01
11:17
+0:35
15K
9.32 mi09:17:381:45:1011:1736:57
11:54
+0:37
20K
12.43 mi09:52:112:19:4311:1534:33
11:08
-0:46
Half
13.10 mi10:00:112:27:4311:178:00
11:56
+0:48
25K
15.53 mi10:29:562:57:2811:2629:45
12:13
+0:17
30K
18.64 mi11:05:013:32:3311:2535:05
11:18
-0:55
35K
21.75 mi11:49:344:17:0611:5044:33
14:21
+3:03
25.2M
25.20 mi12:31:124:58:4411:5241:38
12:04
-2:17
Finish
26.22 mi12:41:495:09:2111:4910:37
10:26
-1:38

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

10:26 /mi

Average Pace

11:48 /mi

Slowest Pace

14:21 /mi

Loading chart...
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

2:28:28

48% of race

Time at Steady Pace

1:56:20

38% of race

Time at Slower Pace

44:33

14% of race

Average Pace: 11:48 /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 mi08:05:4033:1210:4233:12
10:42
#1442
10K
6.21 mi08:40:411:08:1310:5935:01
11:17
#1497
15K
9.32 mi09:17:381:45:1011:1736:57
11:54
#1587
20K
12.43 mi09:52:112:19:4311:1534:33
11:08
#1554
Half
13.10 mi10:00:112:27:4311:178:00
11:56
#1538
25K
15.53 mi10:29:562:57:2811:2629:45
12:13
#1544
30K
18.64 mi11:05:013:32:3311:2535:05
11:18
#1553
35K
21.75 mi11:49:344:17:0611:5044:33
14:21
#1523
25.2M
25.20 mi12:31:124:58:4411:5241:38
12:04
#1485
Finish
26.22 mi12:41:495:09:2111:4910:37
10:26
#1476
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-24Seg. OverallSeg. MalesSeg. M20-24
5K3.11 mi3.11 mi14429261061679(Top 86%)1055(Top 92%)123(Top 97%)
10K6.21 mi3.10 mi1497-55959-33110-41571(Top 81%)997(Top 86%)112(Top 88%)
15K9.32 mi3.11 mi1587-901011-52117-71679(Top 86%)1055(Top 92%)123(Top 97%)
20K12.43 mi3.11 mi1554+33991+20115+21469(Top 75%)944(Top 82%)116(Top 91%)
Half13.10 mi0.67 mi1538+16981+101151468(Top 75%)936(Top 81%)112(Top 88%)
25K15.53 mi2.43 mi1544-6985-4116-11519(Top 78%)950(Top 82%)113(Top 89%)
30K18.64 mi3.11 mi1553-9983+2117-11544(Top 79%)949(Top 82%)111(Top 87%)
35K21.75 mi3.11 mi1523+30958+25112+51390(Top 71%)850(Top 74%)99(Top 78%)
25.2M25.20 mi3.45 mi1485+38933+25111+11190(Top 61%)720(Top 62%)83(Top 65%)
Finish26.22 mi1.02 mi1476+9928+51111105(Top 57%)684(Top 59%)87(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×1
+26ft-31ft

Overall

1679

Males

1055

M20-24

123

5K→10K

3.1 - 6.2 mi

Top 81%
×2
+38ft-17ft

Overall

1571

Males

997

M20-24

112

10K→15K

6.2 - 9.3 mi

Top 86%
×2
+26ft-44ft

Overall

1679

Males

1055

M20-24

123

15K→20K

9.3 - 12.4 mi

Top 75%
×1
+35ft-22ft

Overall

1469

Males

944

M20-24

116

20K→Half

12.4 - 13.1 mi

Top 75%
×1
+7ft-13ft

Overall

1468

Males

936

M20-24

112

Half→25K

13.1 - 15.5 mi

Top 78%
×2
+48ft-19ft

Overall

1519

Males

950

M20-24

113

25K→30K

15.5 - 18.6 mi

Top 79%
×2
+38ft-52ft

Overall

1544

Males

949

M20-24

111

30K→35K

18.6 - 21.8 mi

Top 71%
×2
+39ft-39ft

Overall

1390

Males

850

M20-24

99

35K→25.2M

21.8 - 25.2 mi

Top 61%
×3
+57ft-58ft

Overall

1190

Males

720

M20-24

83

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×1
+17ft-12ft

Overall

1105

Males

684

M20-24

87

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
210
Passed By
244
Net Change
-34
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1442
5K → 10K1368-55#1442#1497
10K → 15K595-90#1497#1587
15K → 20K363+33#1587#1554
20K → Half171+16#1554#1538
Half → 25K2733-6#1538#1544
25K → 30K1827-9#1544#1553
30K → 35K4414+30#1553#1523
35K → 25.2M413+38#1523#1485
25.2M → Finish90+9#1485#1476
TOTALS210244-34
📊

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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