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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Chasidy Amburgey

Bib: 3369 •F •Age: 40

Fishersville, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Masters (Masters Women)
#0 / 277
Age Group (F40-44)
Official
#0 / 100
Calculated (F40-44)
#0 / 100
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
39:56
3.11 mi
Rank: #1868
Start → 5K
39:56 | 12:52/mi
10K
1:21:41
6.21 mi
Rank: #1881 (-13)
5K → 10K
41:45 | 13:27/mi
15K
2:02:37
9.32 mi
Rank: #1882 (-1)
10K → 15K
40:56 | 13:11/mi
20K
2:44:07
12.43 mi
Rank: #1871 (+11)
15K → 20K
41:30 | 13:22/mi
Half
2:53:19
13.10 mi
Rank: #1858 (+13)
20K → Half
9:12 | 13:43/mi
25K
3:29:20
15.53 mi
Rank: #1864 (-6)
Half → 25K
36:01 | 14:48/mi
30K
4:07:46
18.64 mi
Rank: #1850 (+14)
25K → 30K
38:26 | 12:23/mi
35K
4:56:12
21.75 mi
Rank: #1814 (+36)
30K → 35K
48:26 | 15:36/mi
25.2M
5:46:20
25.20 mi
Rank: #1799 (+15)
35K → 25.2M
50:08 | 14:32/mi
Finish
5:59:23
26.22 mi
Rank: #1791 (+8)
25.2M → Finish
13:03 | 12:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:53:19
Pace13:14 /mi
2nd Half
Distance13.12 mi
Time3:06:04
Pace14:11 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:26:2339:5612:5239:56
12:52
-
10K
6.21 mi09:08:081:21:4113:0941:45
13:27
+0:35
15K
9.32 mi09:49:042:02:3713:1040:56
13:11
-0:16
20K
12.43 mi10:30:342:44:0713:1341:30
13:22
+0:11
Half
13.10 mi10:39:462:53:1913:149:12
13:43
+0:21
25K
15.53 mi11:15:473:29:2013:2936:01
14:48
+1:05
30K
18.64 mi11:54:134:07:4613:1838:26
12:23
-2:25
35K
21.75 mi12:42:394:56:1213:3848:26
15:36
+3:13
25.2M
25.20 mi13:32:475:46:2013:4550:08
14:32
-1:04
Finish
26.22 mi13:45:505:59:2313:4413:03
12:49
-1:43

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

12:23 /mi

Average Pace

13:43 /mi

Slowest Pace

15:36 /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

1:31:25

25% of race

Time at Steady Pace

2:13:23

37% of race

Time at Slower Pace

2:14:35

37% of race

Average Pace: 13:42 /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 mi08:26:2339:5612:5239:56
12:52
#1868
10K
6.21 mi09:08:081:21:4113:0941:45
13:27
#1881
15K
9.32 mi09:49:042:02:3713:1040:56
13:11
#1882
20K
12.43 mi10:30:342:44:0713:1341:30
13:22
#1871
Half
13.10 mi10:39:462:53:1913:149:12
13:43
#1858
25K
15.53 mi11:15:473:29:2013:2936:01
14:48
#1864
30K
18.64 mi11:54:134:07:4613:1838:26
12:23
#1850
35K
21.75 mi12:42:394:56:1213:3848:26
15:36
#1814
25.2M
25.20 mi13:32:475:46:2013:4550:08
14:32
#1799
Finish
26.22 mi13:45:505:59:2313:4413:03
12:49
#1791
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi1868739881844(Top 95%)721(Top 91%)89(Top 89%)
10K6.21 mi3.10 mi1881-13747-890-21880(Top 96%)746(Top 94%)93(Top 93%)
15K9.32 mi3.11 mi1882-1746+191-11844(Top 95%)721(Top 91%)89(Top 89%)
20K12.43 mi3.11 mi1871+11738+890+11834(Top 94%)722(Top 91%)89(Top 89%)
Half13.10 mi0.67 mi1858+13733+589+11765(Top 91%)683(Top 86%)80(Top 80%)
25K15.53 mi2.43 mi1864-6736-390-11825(Top 94%)725(Top 92%)92(Top 92%)
30K18.64 mi3.11 mi1850+14726+10901706(Top 88%)670(Top 85%)82(Top 82%)
35K21.75 mi3.11 mi1814+36707+1985+51581(Top 81%)623(Top 79%)73(Top 73%)
25.2M25.20 mi3.45 mi1799+15701+686-11670(Top 86%)665(Top 84%)81(Top 81%)
Finish26.22 mi1.02 mi1791+8697+4861653(Top 85%)662(Top 84%)79(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×1
+26ft-31ft

Overall

1844

Females

721

F40-44

89

5K→10K

3.1 - 6.2 mi

Top 96%
×2
+38ft-17ft

Overall

1880

Females

746

F40-44

93

10K→15K

6.2 - 9.3 mi

Top 95%
×2
+26ft-44ft

Overall

1844

Females

721

F40-44

89

15K→20K

9.3 - 12.4 mi

Top 94%
×1
+35ft-22ft

Overall

1834

Females

722

F40-44

89

20K→Half

12.4 - 13.1 mi

Top 91%
×1
+7ft-13ft

Overall

1765

Females

683

F40-44

80

Half→25K

13.1 - 15.5 mi

Top 94%
×2
+48ft-19ft

Overall

1825

Females

725

F40-44

92

25K→30K

15.5 - 18.6 mi

Top 88%
×2
+38ft-52ft

Overall

1706

Females

670

F40-44

82

30K→35K

18.6 - 21.8 mi

Top 81%
×2
+39ft-39ft

Overall

1581

Females

623

F40-44

73

35K→25.2M

21.8 - 25.2 mi

Top 86%
×3
+57ft-58ft

Overall

1670

Females

665

F40-44

81

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×1
+17ft-12ft

Overall

1653

Females

662

F40-44

79

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
129
Passed By
52
Net Change
+77
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1868
5K → 10K1124-13#1868#1881
10K → 15K67-1#1881#1882
15K → 20K132+11#1882#1871
20K → Half130+13#1871#1858
Half → 25K713-6#1858#1864
25K → 30K151+14#1864#1850
30K → 35K382+36#1850#1814
35K → 25.2M183+15#1814#1799
25.2M → Finish80+8#1799#1791
TOTALS12952+77
📊

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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