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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

John Henshaw

Bib: 3294 •M •Age: 27

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M25-29)
#0 / 240
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
39:52
3.11 mi
Rank: #1866
Start → 5K
39:52 | 12:50/mi
10K
1:16:56
6.21 mi
Rank: #1812 (+54)
5K → 10K
37:04 | 11:56/mi
15K
1:53:30
9.32 mi
Rank: #1771 (+41)
10K → 15K
36:34 | 11:47/mi
20K
2:33:13
12.43 mi
Rank: #1768 (+3)
15K → 20K
39:43 | 12:48/mi
Half
2:42:37
13.10 mi
Rank: #1764 (+4)
20K → Half
9:24 | 14:01/mi
25K
3:15:07
15.53 mi
Rank: #1752 (+12)
Half → 25K
32:30 | 13:21/mi
30K
3:52:51
18.64 mi
Rank: #1748 (+4)
25K → 30K
37:44 | 12:09/mi
35K
4:44:01
21.75 mi
Rank: #1744 (+4)
30K → 35K
51:10 | 16:29/mi
25.2M
5:45:39
25.20 mi
Rank: #1794 (-50)
35K → 25.2M
1:01:38 | 17:52/mi
Finish
6:01:57
26.22 mi
Rank: #1804 (-10)
25.2M → Finish
16:18 | 16:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:42:37
Pace12:25 /mi
2nd Half
Distance13.12 mi
Time3:19:21
Pace15:12 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:18:0739:5212:5039:52
12:50
-
10K
6.21 mi08:55:111:16:5612:2337:04
11:56
-0:54
15K
9.32 mi09:31:451:53:3012:1136:34
11:47
-0:09
20K
12.43 mi10:11:282:33:1312:2039:43
12:48
+1:01
Half
13.10 mi10:20:522:42:3712:259:24
14:01
+1:13
25K
15.53 mi10:53:223:15:0712:3432:30
13:21
-0:40
30K
18.64 mi11:31:063:52:5112:3037:44
12:09
-1:12
35K
21.75 mi12:22:164:44:0113:0451:10
16:29
+4:20
25.2M
25.20 mi13:23:545:45:3913:431:01:38
17:52
+1:23
Finish
26.22 mi13:40:126:01:5713:4916:18
16:00
-1:52

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

11:47 /mi

Average Pace

13:49 /mi

Slowest Pace

17:52 /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

1:51:22

31% of race

Time at Steady Pace

2:01:29

34% of race

Time at Slower Pace

2:09:06

36% of race

Average Pace: 13:48 /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 mi08:18:0739:5212:5039:52
12:50
#1866
10K
6.21 mi08:55:111:16:5612:2337:04
11:56
#1812
15K
9.32 mi09:31:451:53:3012:1136:34
11:47
#1771
20K
12.43 mi10:11:282:33:1312:2039:43
12:48
#1768
Half
13.10 mi10:20:522:42:3712:259:24
14:01
#1764
25K
15.53 mi10:53:223:15:0712:3432:30
13:21
#1752
30K
18.64 mi11:31:063:52:5112:3037:44
12:09
#1748
35K
21.75 mi12:22:164:44:0113:0451:10
16:29
#1744
25.2M
25.20 mi13:23:545:45:3913:431:01:38
17:52
#1794
Finish
26.22 mi13:40:126:01:5713:4916:18
16:00
#1804
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi186611232301664(Top 85%)1046(Top 91%)223(Top 93%)
10K6.21 mi3.10 mi1812+541105+18228+21719(Top 88%)1074(Top 93%)228(Top 95%)
15K9.32 mi3.11 mi1771+411094+11227+11664(Top 85%)1046(Top 91%)223(Top 93%)
20K12.43 mi3.11 mi1768+31090+4226+11775(Top 91%)1088(Top 94%)230(Top 96%)
Half13.10 mi0.67 mi1764+41083+7225+11793(Top 92%)1089(Top 94%)229(Top 95%)
25K15.53 mi2.43 mi1752+121079+42251675(Top 86%)1028(Top 89%)221(Top 92%)
30K18.64 mi3.11 mi1748+41074+52251679(Top 86%)1018(Top 88%)217(Top 90%)
35K21.75 mi3.11 mi1744+41069+52251689(Top 87%)1012(Top 88%)215(Top 90%)
25.2M25.20 mi3.45 mi1794-501091-22230-51917(Top 98%)1135(Top 98%)238(Top 99%)
Finish26.22 mi1.02 mi1804-101096-52301903(Top 98%)1122(Top 97%)234(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×1
+26ft-31ft

Overall

1664

Males

1046

M25-29

223

5K→10K

3.1 - 6.2 mi

Top 88%
×2
+38ft-17ft

Overall

1719

Males

1074

M25-29

228

10K→15K

6.2 - 9.3 mi

Top 85%
×2
+26ft-44ft

Overall

1664

Males

1046

M25-29

223

15K→20K

9.3 - 12.4 mi

Top 91%
×1
+35ft-22ft

Overall

1775

Males

1088

M25-29

230

20K→Half

12.4 - 13.1 mi

Top 92%
×1
+7ft-13ft

Overall

1793

Males

1089

M25-29

229

Half→25K

13.1 - 15.5 mi

Top 86%
×2
+48ft-19ft

Overall

1675

Males

1028

M25-29

221

25K→30K

15.5 - 18.6 mi

Top 86%
×2
+38ft-52ft

Overall

1679

Males

1018

M25-29

217

30K→35K

18.6 - 21.8 mi

Top 87%
×2
+39ft-39ft

Overall

1689

Males

1012

M25-29

215

35K→25.2M

21.8 - 25.2 mi

Top 98%
×3
+57ft-58ft

Overall

1917

Males

1135

M25-29

238

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×1
+17ft-12ft

Overall

1903

Males

1122

M25-29

234

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
172
Passed By
110
Net Change
+62
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1866
5K → 10K606+54#1866#1812
10K → 15K410+41#1812#1771
15K → 20K107+3#1771#1768
20K → Half117+4#1768#1764
Half → 25K2210+12#1764#1752
25K → 30K1713+4#1752#1748
30K → 35K117+4#1748#1744
35K → 25.2M050-50#1744#1794
25.2M → Finish010-10#1794#1804
TOTALS172110+62
📊

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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