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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Elizabeth Talley

Bib: 2887 •F •Age: 37

Stafford, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Age Group (F35-39)
Official
#0 / 111
Calculated (F35-39)
#0 / 111
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
32:14
3.11 mi
Rank: #1346
Start → 5K
32:14 | 10:23/mi
10K
1:04:09
6.21 mi
Rank: #1275 (+71)
5K → 10K
31:55 | 10:17/mi
15K
1:37:11
9.32 mi
Rank: #1325 (-50)
10K → 15K
33:02 | 10:38/mi
20K
2:09:52
12.43 mi
Rank: #1322 (+3)
15K → 20K
32:41 | 10:32/mi
Half
2:17:22
13.10 mi
Rank: #1309 (+13)
20K → Half
7:30 | 11:11/mi
25K
2:47:33
15.53 mi
Rank: #1349 (-40)
Half → 25K
30:11 | 12:24/mi
30K
3:25:39
18.64 mi
Rank: #1442 (-93)
25K → 30K
38:06 | 12:16/mi
35K
4:18:00
21.75 mi
Rank: #1533 (-91)
30K → 35K
52:21 | 16:51/mi
25.2M
5:10:52
25.20 mi
Rank: #1594 (-61)
35K → 25.2M
52:52 | 15:19/mi
Finish
5:22:06
26.22 mi
Rank: #1584 (+10)
25.2M → Finish
11:14 | 11:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:17:22
Pace10:30 /mi
2nd Half
Distance13.12 mi
Time3:04:45
Pace14:05 /mi
📊Positive Split: 34.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:20:2832:1410:2332:14
10:23
-
10K
6.21 mi08:52:231:04:0910:2031:55
10:17
-0:06
15K
9.32 mi09:25:251:37:1110:2633:02
10:38
+0:21
20K
12.43 mi09:58:062:09:5210:2832:41
10:32
-0:06
Half
13.10 mi10:05:362:17:2210:307:30
11:11
+0:39
25K
15.53 mi10:35:472:47:3310:4830:11
12:24
+1:13
30K
18.64 mi11:13:533:25:3911:0238:06
12:16
-0:08
35K
21.75 mi12:06:144:18:0011:5252:21
16:51
+4:35
25.2M
25.20 mi12:59:065:10:5212:2152:52
15:19
-1:32
Finish
26.22 mi13:10:205:22:0612:1811:14
11:02
-4:17

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

10:17 /mi

Average Pace

12:18 /mi

Slowest Pace

16:51 /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

0:00

0% of race

Time at Steady Pace

2:28:36

46% of race

Time at Slower Pace

2:53:30

54% of race

Average Pace: 12:17 /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 mi08:20:2832:1410:2332:14
10:23
#1346
10K
6.21 mi08:52:231:04:0910:2031:55
10:17
#1275
15K
9.32 mi09:25:251:37:1110:2633:02
10:38
#1325
20K
12.43 mi09:58:062:09:5210:2832:41
10:32
#1322
Half
13.10 mi10:05:362:17:2210:307:30
11:11
#1309
25K
15.53 mi10:35:472:47:3310:4830:11
12:24
#1349
30K
18.64 mi11:13:533:25:3911:0238:06
12:16
#1442
35K
21.75 mi12:06:144:18:0011:5252:21
16:51
#1533
25.2M
25.20 mi12:59:065:10:5212:2152:52
15:19
#1594
Finish
26.22 mi13:10:205:22:0612:1811:14
11:02
#1584
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 mi1346458641368(Top 70%)470(Top 59%)63(Top 57%)
10K6.21 mi3.10 mi1275+71424+3459+51254(Top 64%)413(Top 52%)56(Top 50%)
15K9.32 mi3.11 mi1325-50448-2462-31368(Top 70%)470(Top 59%)63(Top 57%)
20K12.43 mi3.11 mi1322+3452-461+11308(Top 67%)446(Top 56%)58(Top 52%)
Half13.10 mi0.67 mi1309+13450+260+11264(Top 65%)430(Top 54%)58(Top 52%)
25K15.53 mi2.43 mi1349-40468-1863-31545(Top 79%)580(Top 73%)75(Top 68%)
30K18.64 mi3.11 mi1442-93520-5270-71694(Top 87%)667(Top 84%)93(Top 84%)
35K21.75 mi3.11 mi1533-91567-4775-51738(Top 89%)697(Top 88%)97(Top 87%)
25.2M25.20 mi3.45 mi1594-61600-3379-41774(Top 91%)714(Top 90%)99(Top 89%)
Finish26.22 mi1.02 mi1584+10596+4791306(Top 67%)510(Top 64%)66(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×1
+26ft-31ft

Overall

1368

Females

470

F35-39

63

5K→10K

3.1 - 6.2 mi

Top 64%
×2
+38ft-17ft

Overall

1254

Females

413

F35-39

56

10K→15K

6.2 - 9.3 mi

Top 70%
×2
+26ft-44ft

Overall

1368

Females

470

F35-39

63

15K→20K

9.3 - 12.4 mi

Top 67%
×1
+35ft-22ft

Overall

1308

Females

446

F35-39

58

20K→Half

12.4 - 13.1 mi

Top 65%
×1
+7ft-13ft

Overall

1264

Females

430

F35-39

58

Half→25K

13.1 - 15.5 mi

Top 79%
×2
+48ft-19ft

Overall

1545

Females

580

F35-39

75

25K→30K

15.5 - 18.6 mi

Top 87%
×2
+38ft-52ft

Overall

1694

Females

667

F35-39

93

30K→35K

18.6 - 21.8 mi

Top 89%
×2
+39ft-39ft

Overall

1738

Females

697

F35-39

97

35K→25.2M

21.8 - 25.2 mi

Top 91%
×3
+57ft-58ft

Overall

1774

Females

714

F35-39

99

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×1
+17ft-12ft

Overall

1306

Females

510

F35-39

66

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
161
Passed By
399
Net Change
-238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1346
5K → 10K8413+71#1346#1275
10K → 15K1363-50#1275#1325
15K → 20K2017+3#1325#1322
20K → Half152+13#1322#1309
Half → 25K949-40#1309#1349
25K → 30K194-93#1349#1442
30K → 35K697-91#1442#1533
35K → 25.2M364-61#1533#1594
25.2M → Finish100+10#1594#1584
TOTALS161399-238
📊

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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