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SHAMROCK MARATHON 2025

Catherine Xu

Bib: 2562•F•Age: 26

Williamsburg, VA

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0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Age Group (F25-29)
Official
#0 / 180
Calculated (F25-29)
#0 / 180
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
32:49
3.11 mi
Rank: #1407
Start → 5K
32:49 | 10:34/mi
10K
1:05:50
6.21 mi
Rank: #1394 (+13)
5K → 10K
33:01 | 10:38/mi
15K
1:38:48
9.32 mi
Rank: #1384 (+10)
10K → 15K
32:58 | 10:37/mi
20K
2:12:18
12.43 mi
Rank: #1373 (+11)
15K → 20K
33:30 | 10:47/mi
Half
2:20:07
13.10 mi
Rank: #1368 (+5)
20K → Half
7:49 | 11:39/mi
25K
2:51:22
15.53 mi
Rank: #1420 (-52)
Half → 25K
31:15 | 12:50/mi
30K
3:26:02
18.64 mi
Rank: #1445 (-25)
25K → 30K
34:40 | 11:10/mi
35K
4:11:40
21.75 mi
Rank: #1468 (-23)
30K → 35K
45:38 | 14:42/mi
25.2M
4:55:38
25.20 mi
Rank: #1460 (+8)
35K → 25.2M
43:58 | 12:45/mi
Finish
5:07:19
26.22 mi
Rank: #1462 (-2)
25.2M → Finish
11:41 | 11:28/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:20:07
Pace10:42 /mi
2nd Half
Distance13.12 mi
Time2:47:13
Pace12:45 /mi
📊Positive Split: 19.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:19:2432:4910:3432:49
10:34
-
10K
6.21 mi08:52:251:05:5010:3633:01
10:38
+0:04
15K
9.32 mi09:25:231:38:4810:3732:58
10:37
-0:01
20K
12.43 mi09:58:532:12:1810:3933:30
10:47
+0:10
Half
13.10 mi10:06:422:20:0710:427:49
11:39
+0:52
25K
15.53 mi10:37:572:51:2211:0231:15
12:50
+1:11
30K
18.64 mi11:12:373:26:0211:0434:40
11:10
-1:40
35K
21.75 mi11:58:154:11:4011:3545:38
14:42
+3:32
25.2M
25.20 mi12:42:134:55:3811:4443:58
12:45
-1:57
Finish
26.22 mi12:53:545:07:1911:4411:41
11:28
-1:17

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

10:34 /mi

Average Pace

11:44 /mi

Slowest Pace

14:42 /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

2:12:18

43% of race

Time at Steady Pace

54:10

18% of race

Time at Slower Pace

2:00:51

39% of race

Average Pace: 11:43 /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 mi08:19:2432:4910:3432:49
10:34
#1407
10K
6.21 mi08:52:251:05:5010:3633:01
10:38
#1394
15K
9.32 mi09:25:231:38:4810:3732:58
10:37
#1384
20K
12.43 mi09:58:532:12:1810:3933:30
10:47
#1373
Half
13.10 mi10:06:422:20:0710:427:49
11:39
#1368
25K
15.53 mi10:37:572:51:2211:0231:15
12:50
#1420
30K
18.64 mi11:12:373:26:0211:0434:40
11:10
#1445
35K
21.75 mi11:58:154:11:4011:3545:38
14:42
#1468
25.2M
25.20 mi12:42:134:55:3811:4443:58
12:45
#1460
Finish
26.22 mi12:53:545:07:1911:4411:41
11:28
#1462
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi14074921201365(Top 70%)467(Top 59%)125(Top 69%)
10K6.21 mi3.10 mi1394+13485+7122-21387(Top 71%)476(Top 60%)123(Top 68%)
15K9.32 mi3.11 mi1384+10473+12121+11365(Top 70%)467(Top 59%)125(Top 69%)
20K12.43 mi3.11 mi1373+11471+21211378(Top 71%)486(Top 61%)128(Top 71%)
Half13.10 mi0.67 mi1368+5471122-11411(Top 72%)501(Top 63%)132(Top 73%)
25K15.53 mi2.43 mi1420-52503-32134-121618(Top 83%)617(Top 78%)151(Top 84%)
30K18.64 mi3.11 mi1445-25521-18135-11521(Top 78%)576(Top 73%)142(Top 79%)
35K21.75 mi3.11 mi1468-23540-19138-31451(Top 74%)563(Top 71%)143(Top 79%)
25.2M25.20 mi3.45 mi1460+8538+2137+11351(Top 69%)534(Top 68%)137(Top 76%)
Finish26.22 mi1.02 mi1462-2540-21371405(Top 72%)554(Top 70%)144(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×1
+26ft-31ft

Overall

1365

Females

467

F25-29

125

5K→10K

3.1 - 6.2 mi

Top 71%
×2
+38ft-17ft

Overall

1387

Females

476

F25-29

123

10K→15K

6.2 - 9.3 mi

Top 70%
×2
+26ft-44ft

Overall

1365

Females

467

F25-29

125

15K→20K

9.3 - 12.4 mi

Top 71%
×1
+35ft-22ft

Overall

1378

Females

486

F25-29

128

20K→Half

12.4 - 13.1 mi

Top 72%
×1
+7ft-13ft

Overall

1411

Females

501

F25-29

132

Half→25K

13.1 - 15.5 mi

Top 83%
×2
+48ft-19ft

Overall

1618

Females

617

F25-29

151

25K→30K

15.5 - 18.6 mi

Top 78%
×2
+38ft-52ft

Overall

1521

Females

576

F25-29

142

30K→35K

18.6 - 21.8 mi

Top 74%
×2
+39ft-39ft

Overall

1451

Females

563

F25-29

143

35K→25.2M

21.8 - 25.2 mi

Top 69%
×3
+57ft-58ft

Overall

1351

Females

534

F25-29

137

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×1
+17ft-12ft

Overall

1405

Females

554

F25-29

144

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
164
Passed By
219
Net Change
-55
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1407
5K → 10K4027+13#1407#1394
10K → 15K3121+10#1394#1384
15K → 20K198+11#1384#1373
20K → Half105+5#1373#1368
Half → 25K1163-52#1368#1420
25K → 30K1338-25#1420#1445
30K → 35K1841-23#1445#1468
35K → 25.2M2012+8#1468#1460
25.2M → Finish24-2#1460#1462
TOTALS164219-55
📊

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
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Activity Data

Upload your GPX file to see detailed activity metrics

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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.

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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management