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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Allison Goldberg

Bib: 1963 •F •Age: 37

Norfolk, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 46%
Gender (Female)
#0 / 791
Top 37%
Age Group (F35-39)
Official
#0 / 111
Calculated (F35-39)
#0 / 111
Top 33%
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
28:02
3.11 mi
Rank: #781
Start → 5K
28:02 | 9:02/mi
10K
57:51
6.21 mi
Rank: #934 (-153)
5K → 10K
29:49 | 9:36/mi
15K
1:28:45
9.32 mi
Rank: #996 (-62)
10K → 15K
30:54 | 9:57/mi
20K
2:00:02
12.43 mi
Rank: #1020 (-24)
15K → 20K
31:17 | 10:05/mi
Half
2:07:06
13.10 mi
Rank: #1012 (+8)
20K → Half
7:04 | 10:32/mi
25K
2:31:35
15.53 mi
Rank: #1001 (+11)
Half → 25K
24:29 | 10:04/mi
30K
2:58:51
18.64 mi
Rank: #964 (+37)
25K → 30K
27:16 | 8:47/mi
35K
3:34:46
21.75 mi
Rank: #927 (+37)
30K → 35K
35:55 | 11:34/mi
25.2M
4:10:25
25.20 mi
Rank: #885 (+42)
35K → 25.2M
35:39 | 10:20/mi
Finish
4:21:37
26.22 mi
Rank: #903 (-18)
25.2M → Finish
11:12 | 11:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:07:06
Pace9:43 /mi
2nd Half
Distance13.12 mi
Time2:14:31
Pace10:16 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:06:1728:029:0228:02
9:02
-
10K
6.21 mi08:36:0657:519:1929:49
9:36
+0:34
15K
9.32 mi09:07:001:28:459:3230:54
9:57
+0:21
20K
12.43 mi09:38:172:00:029:4031:17
10:05
+0:08
Half
13.10 mi09:45:212:07:069:437:04
10:32
+0:27
25K
15.53 mi10:09:502:31:359:4624:29
10:04
-0:28
30K
18.64 mi10:37:062:58:519:3627:16
8:47
-1:17
35K
21.75 mi11:13:013:34:469:5335:55
11:34
+2:47
25.2M
25.20 mi11:48:404:10:259:5735:39
10:20
-1:14
Finish
26.22 mi11:59:524:21:3710:0011:12
11:00
+0:40

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

8:47 /mi

Average Pace

9:59 /mi

Slowest Pace

11:34 /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

1:25:07

33% of race

Time at Steady Pace

2:02:19

47% of race

Time at Slower Pace

54:11

21% of race

Average Pace: 9:59 /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 mi08:06:1728:029:0228:02
9:02
#781
10K
6.21 mi08:36:0657:519:1929:49
9:36
#934
15K
9.32 mi09:07:001:28:459:3230:54
9:57
#996
20K
12.43 mi09:38:172:00:029:4031:17
10:05
#1020
Half
13.10 mi09:45:212:07:069:437:04
10:32
#1012
25K
15.53 mi10:09:502:31:359:4624:29
10:04
#1001
30K
18.64 mi10:37:062:58:519:3627:16
8:47
#964
35K
21.75 mi11:13:013:34:469:5335:55
11:34
#927
25.2M
25.20 mi11:48:404:10:259:5735:39
10:20
#885
Finish
26.22 mi11:59:524:21:3710:0011:12
11:00
#903
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
5K3.11 mi3.11 mi781223291130(Top 58%)362(Top 46%)47(Top 42%)
10K6.21 mi3.10 mi934-153276-5338-91017(Top 52%)310(Top 39%)41(Top 37%)
15K9.32 mi3.11 mi996-62300-2440-21130(Top 58%)362(Top 46%)47(Top 42%)
20K12.43 mi3.11 mi1020-24315-1541-11150(Top 59%)370(Top 47%)47(Top 42%)
Half13.10 mi0.67 mi1012+8311+4411051(Top 54%)331(Top 42%)44(Top 40%)
25K15.53 mi2.43 mi1001+1131142-1949(Top 49%)288(Top 36%)35(Top 32%)
30K18.64 mi3.11 mi964+37298+1342861(Top 44%)270(Top 34%)35(Top 32%)
35K21.75 mi3.11 mi927+37294+440+2798(Top 41%)276(Top 35%)36(Top 32%)
25.2M25.20 mi3.45 mi885+42282+1237+3716(Top 37%)256(Top 32%)33(Top 30%)
Finish26.22 mi1.02 mi903-18294-12371289(Top 66%)499(Top 63%)65(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×1
+26ft-31ft

Overall

1130

Females

362

F35-39

47

5K→10K

3.1 - 6.2 mi

Top 52%
×2
+38ft-17ft

Overall

1017

Females

310

F35-39

41

10K→15K

6.2 - 9.3 mi

Top 58%
×2
+26ft-44ft

Overall

1130

Females

362

F35-39

47

15K→20K

9.3 - 12.4 mi

Top 59%
×1
+35ft-22ft

Overall

1150

Females

370

F35-39

47

20K→Half

12.4 - 13.1 mi

Top 54%
×1
+7ft-13ft

Overall

1051

Females

331

F35-39

44

Half→25K

13.1 - 15.5 mi

Top 49%
×2
+48ft-19ft

Overall

949

Females

288

F35-39

35

25K→30K

15.5 - 18.6 mi

Top 44%
×2
+38ft-52ft

Overall

861

Females

270

F35-39

35

30K→35K

18.6 - 21.8 mi

Top 41%
×2
+39ft-39ft

Overall

798

Females

276

F35-39

36

35K→25.2M

21.8 - 25.2 mi

Top 37%
×3
+57ft-58ft

Overall

716

Females

256

F35-39

33

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×1
+17ft-12ft

Overall

1289

Females

499

F35-39

65

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
181
Passed By
303
Net Change
-122
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#781
5K → 10K1154-153#781#934
10K → 15K062-62#934#996
15K → 20K630-24#996#1020
20K → Half124+8#1020#1012
Half → 25K187+11#1012#1001
25K → 30K392+37#1001#964
30K → 35K5316+37#964#927
35K → 25.2M508+42#927#885
25.2M → Finish220-18#885#903
TOTALS181303-122
📊

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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