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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Kelsey Bracewell

Bib: 2437 •F •Age: 36

Fredericksbrg, 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
34:56
3.11 mi
Rank: #1621
Start → 5K
34:56 | 11:15/mi
10K
1:10:53
6.21 mi
Rank: #1640 (-19)
5K → 10K
35:57 | 11:35/mi
15K
1:48:39
9.32 mi
Rank: #1675 (-35)
10K → 15K
37:46 | 12:10/mi
20K
2:27:04
12.43 mi
Rank: #1688 (-13)
15K → 20K
38:25 | 12:22/mi
Half
2:35:17
13.10 mi
Rank: #1675 (+13)
20K → Half
8:13 | 12:15/mi
25K
3:07:31
15.53 mi
Rank: #1687 (-12)
Half → 25K
32:14 | 13:14/mi
30K
3:43:27
18.64 mi
Rank: #1678 (+9)
25K → 30K
35:56 | 11:34/mi
35K
4:31:09
21.75 mi
Rank: #1652 (+26)
30K → 35K
47:42 | 15:22/mi
25.2M
5:16:56
25.20 mi
Rank: #1631 (+21)
35K → 25.2M
45:47 | 13:16/mi
Finish
5:28:59
26.22 mi
Rank: #1629 (+2)
25.2M → Finish
12:03 | 11:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:35:17
Pace11:52 /mi
2nd Half
Distance13.12 mi
Time2:53:42
Pace13:15 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:21:0434:5611:1534:56
11:15
-
10K
6.21 mi08:57:011:10:5311:2535:57
11:35
+0:20
15K
9.32 mi09:34:471:48:3911:4037:46
12:10
+0:35
20K
12.43 mi10:13:122:27:0411:5138:25
12:22
+0:12
Half
13.10 mi10:21:252:35:1711:528:13
12:15
-0:07
25K
15.53 mi10:53:393:07:3112:0532:14
13:14
+0:59
30K
18.64 mi11:29:353:43:2712:0035:56
11:34
-1:40
35K
21.75 mi12:17:174:31:0912:2947:42
15:22
+3:48
25.2M
25.20 mi13:03:045:16:5612:3545:47
13:16
-2:06
Finish
26.22 mi13:15:075:28:5912:3412:03
11:50
-1:26

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

11:15 /mi

Average Pace

12:33 /mi

Slowest Pace

15:22 /mi

Loading chart...
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

1:46:49

32% of race

Time at Steady Pace

1:36:27

29% of race

Time at Slower Pace

2:05:43

38% of race

Average Pace: 12:33 /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 mi08:21:0434:5611:1534:56
11:15
#1621
10K
6.21 mi08:57:011:10:5311:2535:57
11:35
#1640
15K
9.32 mi09:34:471:48:3911:4037:46
12:10
#1675
20K
12.43 mi10:13:122:27:0411:5138:25
12:22
#1688
Half
13.10 mi10:21:252:35:1711:528:13
12:15
#1675
25K
15.53 mi10:53:393:07:3112:0532:14
13:14
#1687
30K
18.64 mi11:29:353:43:2712:0035:56
11:34
#1678
35K
21.75 mi12:17:174:31:0912:2947:42
15:22
#1652
25.2M
25.20 mi13:03:045:16:5612:3545:47
13:16
#1631
Finish
26.22 mi13:15:075:28:5912:3412:03
11:50
#1629
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 mi1621600841735(Top 89%)656(Top 83%)90(Top 81%)
10K6.21 mi3.10 mi1640-19607-783+11652(Top 85%)606(Top 77%)80(Top 72%)
15K9.32 mi3.11 mi1675-35620-1384-11735(Top 89%)656(Top 83%)90(Top 81%)
20K12.43 mi3.11 mi1688-13629-987-31715(Top 88%)656(Top 83%)89(Top 80%)
Half13.10 mi0.67 mi1675+13627+2871554(Top 80%)572(Top 72%)80(Top 72%)
25K15.53 mi2.43 mi1687-12635-888-11662(Top 85%)637(Top 81%)86(Top 77%)
30K18.64 mi3.11 mi1678+9635881599(Top 82%)619(Top 78%)82(Top 74%)
35K21.75 mi3.11 mi1652+26623+1284+41547(Top 79%)612(Top 77%)81(Top 73%)
25.2M25.20 mi3.45 mi1631+21617+682+21476(Top 76%)587(Top 74%)82(Top 74%)
Finish26.22 mi1.02 mi1629+2619-283-11494(Top 77%)594(Top 75%)85(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×1
+26ft-31ft

Overall

1735

Females

656

F35-39

90

5K→10K

3.1 - 6.2 mi

Top 85%
×2
+38ft-17ft

Overall

1652

Females

606

F35-39

80

10K→15K

6.2 - 9.3 mi

Top 89%
×2
+26ft-44ft

Overall

1735

Females

656

F35-39

90

15K→20K

9.3 - 12.4 mi

Top 88%
×1
+35ft-22ft

Overall

1715

Females

656

F35-39

89

20K→Half

12.4 - 13.1 mi

Top 80%
×1
+7ft-13ft

Overall

1554

Females

572

F35-39

80

Half→25K

13.1 - 15.5 mi

Top 85%
×2
+48ft-19ft

Overall

1662

Females

637

F35-39

86

25K→30K

15.5 - 18.6 mi

Top 82%
×2
+38ft-52ft

Overall

1599

Females

619

F35-39

82

30K→35K

18.6 - 21.8 mi

Top 79%
×2
+39ft-39ft

Overall

1547

Females

612

F35-39

81

35K→25.2M

21.8 - 25.2 mi

Top 76%
×3
+57ft-58ft

Overall

1476

Females

587

F35-39

82

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×1
+17ft-12ft

Overall

1494

Females

594

F35-39

85

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
142
Passed By
150
Net Change
-8
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1621
5K → 10K2645-19#1621#1640
10K → 15K641-35#1640#1675
15K → 20K1023-13#1675#1688
20K → Half130+13#1688#1675
Half → 25K1123-12#1675#1687
25K → 30K178+9#1687#1678
30K → 35K326+26#1678#1652
35K → 25.2M232+21#1652#1631
25.2M → Finish42+2#1631#1629
TOTALS142150-8
📊

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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