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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

George Sherman

Bib: 2434 •M •Age: 30

Forest, 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
36:24
3.11 mi
Rank: #1734
Start → 5K
36:24 | 11:43/mi
10K
1:20:47
6.21 mi
Rank: #1873 (-139)
5K → 10K
44:23 | 14:18/mi
15K
2:00:00
9.32 mi
Rank: #1850 (+23)
10K → 15K
39:13 | 12:38/mi
20K
2:48:30
12.43 mi
Rank: #1891 (-41)
15K → 20K
48:30 | 15:37/mi
Half
2:57:00
13.10 mi
Rank: #1878 (+13)
20K → Half
8:30 | 12:40/mi
25K
3:31:15
15.53 mi
Rank: #1873 (+5)
Half → 25K
34:15 | 14:04/mi
30K
4:13:03
18.64 mi
Rank: #1873
25K → 30K
41:48 | 13:28/mi
35K
5:08:57
21.75 mi
Rank: #1873
30K → 35K
55:54 | 18:00/mi
25.2M
5:58:24
25.20 mi
Rank: #1857 (+16)
35K → 25.2M
49:27 | 14:20/mi
Finish
6:11:25
26.22 mi
Rank: #1853 (+4)
25.2M → Finish
13:01 | 12:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:57:00
Pace13:31 /mi
2nd Half
Distance13.12 mi
Time3:14:26
Pace14:50 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:15:0736:2411:4336:24
11:43
-
10K
6.21 mi08:59:301:20:4713:0144:23
14:18
+2:35
15K
9.32 mi09:38:432:00:0012:5339:13
12:38
-1:40
20K
12.43 mi10:27:132:48:3013:3448:30
15:37
+2:59
Half
13.10 mi10:35:432:57:0013:318:30
12:40
-2:57
25K
15.53 mi11:09:583:31:1513:3634:15
14:04
+1:24
30K
18.64 mi11:51:464:13:0313:3541:48
13:28
-0:36
35K
21.75 mi12:47:405:08:5714:1355:54
18:00
+4:32
25.2M
25.20 mi13:37:075:58:2414:1449:27
14:20
-3:40
Finish
26.22 mi13:50:086:11:2514:1113:01
12:47
-1:33

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

11:43 /mi

Average Pace

14:11 /mi

Slowest Pace

18:00 /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

1:37:08

26% of race

Time at Steady Pace

2:49:53

46% of race

Time at Slower Pace

1:44:24

28% of race

Average Pace: 14:10 /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 mi08:15:0736:2411:4336:24
11:43
#1734
10K
6.21 mi08:59:301:20:4713:0144:23
14:18
#1873
15K
9.32 mi09:38:432:00:0012:5339:13
12:38
#1850
20K
12.43 mi10:27:132:48:3013:3448:30
15:37
#1891
Half
13.10 mi10:35:432:57:0013:318:30
12:40
#1878
25K
15.53 mi11:09:583:31:1513:3634:15
14:04
#1873
30K
18.64 mi11:51:464:13:0313:3541:48
13:28
#1873
35K
21.75 mi12:47:405:08:5714:1355:54
18:00
#1873
25.2M
25.20 mi13:37:075:58:2414:1449:27
14:20
#1857
Finish
26.22 mi13:50:086:11:2514:1113:01
12:47
#1853
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 mi173410791781791(Top 92%)1103(Top 96%)183(Top 99%)
10K6.21 mi3.10 mi1873-1391126-47183-51913(Top 98%)1139(Top 99%)184(Top 99%)
15K9.32 mi3.11 mi1850+231123+31831791(Top 92%)1103(Top 96%)183(Top 99%)
20K12.43 mi3.11 mi1891-411133-10184-11933(Top 99%)1145(Top 99%)184(Top 99%)
Half13.10 mi0.67 mi1878+131126+7180+41620(Top 83%)1013(Top 88%)165(Top 89%)
25K15.53 mi2.43 mi1873+51127-1183-31757(Top 90%)1062(Top 92%)174(Top 94%)
30K18.64 mi3.11 mi18731127182+11808(Top 93%)1086(Top 94%)178(Top 96%)
35K21.75 mi3.11 mi18731122+51821825(Top 94%)1084(Top 94%)175(Top 95%)
25.2M25.20 mi3.45 mi1857+161114+81821647(Top 85%)986(Top 86%)160(Top 86%)
Finish26.22 mi1.02 mi1853+411141821647(Top 85%)986(Top 86%)162(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×1
+26ft-31ft

Overall

1791

Males

1103

M30-34

183

5K→10K

3.1 - 6.2 mi

Top 98%
×2
+38ft-17ft

Overall

1913

Males

1139

M30-34

184

10K→15K

6.2 - 9.3 mi

Top 92%
×2
+26ft-44ft

Overall

1791

Males

1103

M30-34

183

15K→20K

9.3 - 12.4 mi

Top 99%
×1
+35ft-22ft

Overall

1933

Males

1145

M30-34

184

20K→Half

12.4 - 13.1 mi

Top 83%
×1
+7ft-13ft

Overall

1620

Males

1013

M30-34

165

Half→25K

13.1 - 15.5 mi

Top 90%
×2
+48ft-19ft

Overall

1757

Males

1062

M30-34

174

25K→30K

15.5 - 18.6 mi

Top 93%
×2
+38ft-52ft

Overall

1808

Males

1086

M30-34

178

30K→35K

18.6 - 21.8 mi

Top 94%
×2
+39ft-39ft

Overall

1825

Males

1084

M30-34

175

35K→25.2M

21.8 - 25.2 mi

Top 85%
×3
+57ft-58ft

Overall

1647

Males

986

M30-34

160

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×1
+17ft-12ft

Overall

1647

Males

986

M30-34

162

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
88
Passed By
207
Net Change
-119
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1734
5K → 10K2141-139#1734#1873
10K → 15K230+23#1873#1850
15K → 20K041-41#1850#1891
20K → Half130+13#1891#1878
Half → 25K1510+5#1878#1873
25K → 30K550#1873#1873
30K → 35K990#1873#1873
35K → 25.2M171+16#1873#1857
25.2M → Finish40+4#1857#1853
TOTALS88207-119
📊

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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