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SHAMROCK MARATHON 2025

Gregory Brown

Bib: 1543•M•Age: 38

Hampton, VA

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0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M35-39)
Official
#0 / 178
Calculated (M35-39)
#0 / 178
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
31:29
3.11 mi
Rank: #1238
Start → 5K
31:29 | 10:09/mi
10K
1:03:50
6.21 mi
Rank: #1260 (-22)
5K → 10K
32:21 | 10:25/mi
15K
1:38:06
9.32 mi
Rank: #1352 (-92)
10K → 15K
34:16 | 11:02/mi
20K
2:16:31
12.43 mi
Rank: #1468 (-116)
15K → 20K
38:25 | 12:22/mi
Half
2:24:13
13.10 mi
Rank: #1454 (+14)
20K → Half
7:42 | 11:29/mi
25K
2:58:30
15.53 mi
Rank: #1573 (-119)
Half → 25K
34:17 | 14:05/mi
30K
3:37:37
18.64 mi
Rank: #1609 (-36)
25K → 30K
39:07 | 12:36/mi
35K
4:45:19
21.75 mi
Rank: #1753 (-144)
30K → 35K
1:07:42 | 21:48/mi
25.2M
5:40:55
25.20 mi
Rank: #1771 (-18)
35K → 25.2M
55:36 | 16:07/mi
Finish
5:56:19
26.22 mi
Rank: #1776 (-5)
25.2M → Finish
15:24 | 15:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:24:13
Pace11:01 /mi
2nd Half
Distance13.12 mi
Time3:32:06
Pace16:10 /mi
📊Positive Split: 47.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:09:5531:2910:0931:29
10:09
-
10K
6.21 mi08:42:161:03:5010:1732:21
10:25
+0:16
15K
9.32 mi09:16:321:38:0610:3234:16
11:02
+0:37
20K
12.43 mi09:54:572:16:3111:0038:25
12:22
+1:20
Half
13.10 mi10:02:392:24:1311:017:42
11:29
-0:53
25K
15.53 mi10:36:562:58:3011:3034:17
14:05
+2:36
30K
18.64 mi11:16:033:37:3711:4139:07
12:36
-1:29
35K
21.75 mi12:23:454:45:1913:081:07:42
21:48
+9:12
25.2M
25.20 mi13:19:215:40:5513:3255:36
16:07
-5:41
Finish
26.22 mi13:34:455:56:1913:3615:24
15:07
-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

10:09 /mi

Average Pace

13:36 /mi

Slowest Pace

21:48 /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

1:03:50

18% of race

Time at Steady Pace

2:33:47

43% of race

Time at Slower Pace

2:18:42

39% of race

Average Pace: 13:35 /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 mi08:09:5531:2910:0931:29
10:09
#1238
10K
6.21 mi08:42:161:03:5010:1732:21
10:25
#1260
15K
9.32 mi09:16:321:38:0610:3234:16
11:02
#1352
20K
12.43 mi09:54:572:16:3111:0038:25
12:22
#1468
Half
13.10 mi10:02:392:24:1311:017:42
11:29
#1454
25K
15.53 mi10:36:562:58:3011:3034:17
14:05
#1573
30K
18.64 mi11:16:033:37:3711:4139:07
12:36
#1609
35K
21.75 mi12:23:454:45:1913:081:07:42
21:48
#1753
25.2M
25.20 mi13:19:215:40:5513:3255:36
16:07
#1771
Finish
26.22 mi13:34:455:56:1913:3615:24
15:07
#1776
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 mi12388311331492(Top 77%)959(Top 83%)154(Top 87%)
10K6.21 mi3.10 mi1260-22840-9137-41322(Top 68%)874(Top 76%)140(Top 79%)
15K9.32 mi3.11 mi1352-92890-50142-51492(Top 77%)959(Top 83%)154(Top 87%)
20K12.43 mi3.11 mi1468-116945-55152-101716(Top 88%)1055(Top 92%)169(Top 95%)
Half13.10 mi0.67 mi1454+14933+12150+21358(Top 70%)882(Top 76%)137(Top 77%)
25K15.53 mi2.43 mi1573-1191000-67160-101759(Top 90%)1063(Top 92%)169(Top 95%)
30K18.64 mi3.11 mi1609-361009-9161-11726(Top 89%)1046(Top 91%)163(Top 92%)
35K21.75 mi3.11 mi1753-1441073-64169-81941(Top 100%)1148(Top 100%)177(Top 99%)
25.2M25.20 mi3.45 mi1771-181079-6173-41831(Top 94%)1085(Top 94%)171(Top 96%)
Finish26.22 mi1.02 mi1776-51081-21731868(Top 96%)1106(Top 96%)173(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×1
+26ft-31ft

Overall

1492

Males

959

M35-39

154

5K→10K

3.1 - 6.2 mi

Top 68%
×2
+38ft-17ft

Overall

1322

Males

874

M35-39

140

10K→15K

6.2 - 9.3 mi

Top 77%
×2
+26ft-44ft

Overall

1492

Males

959

M35-39

154

15K→20K

9.3 - 12.4 mi

Top 88%
×1
+35ft-22ft

Overall

1716

Males

1055

M35-39

169

20K→Half

12.4 - 13.1 mi

Top 70%
×1
+7ft-13ft

Overall

1358

Males

882

M35-39

137

Half→25K

13.1 - 15.5 mi

Top 90%
×2
+48ft-19ft

Overall

1759

Males

1063

M35-39

169

25K→30K

15.5 - 18.6 mi

Top 89%
×2
+38ft-52ft

Overall

1726

Males

1046

M35-39

163

30K→35K

18.6 - 21.8 mi

Top 100%
×2
+39ft-39ft

Overall

1941

Males

1148

M35-39

177

35K→25.2M

21.8 - 25.2 mi

Top 94%
×3
+57ft-58ft

Overall

1831

Males

1085

M35-39

171

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×1
+17ft-12ft

Overall

1868

Males

1106

M35-39

173

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
62
Passed By
600
Net Change
-538
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1238
5K → 10K1840-22#1238#1260
10K → 15K698-92#1260#1352
15K → 20K2118-116#1352#1468
20K → Half151+14#1468#1454
Half → 25K5124-119#1454#1573
25K → 30K945-36#1573#1609
30K → 35K1145-144#1609#1753
35K → 25.2M523-18#1753#1771
25.2M → Finish16-5#1771#1776
TOTALS62600-538
📊

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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Activity Data

Upload your GPX file to see detailed activity metrics

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.gpx files up to 10MB

Export & Support

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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.

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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management