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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Antonio A Graybill

Bib: 324 •M •Age: 22

Vienna, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M20-24)
Official
#0 / 127
Calculated (M20-24)
#0 / 127
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
33:31
3.11 mi
Rank: #1472
Start → 5K
33:31 | 10:48/mi
10K
1:06:11
6.21 mi
Rank: #1411 (+61)
5K → 10K
32:40 | 10:31/mi
15K
1:38:37
9.32 mi
Rank: #1375 (+36)
10K → 15K
32:26 | 10:27/mi
20K
2:11:51
12.43 mi
Rank: #1368 (+7)
15K → 20K
33:14 | 10:42/mi
Half
2:19:23
13.10 mi
Rank: #1353 (+15)
20K → Half
7:32 | 11:14/mi
25K
2:48:33
15.53 mi
Rank: #1371 (-18)
Half → 25K
29:10 | 11:59/mi
30K
3:21:31
18.64 mi
Rank: #1377 (-6)
25K → 30K
32:58 | 10:37/mi
35K
4:06:40
21.75 mi
Rank: #1401 (-24)
30K → 35K
45:09 | 14:32/mi
25.2M
4:48:39
25.20 mi
Rank: #1394 (+7)
35K → 25.2M
41:59 | 12:10/mi
Finish
4:59:03
26.22 mi
Rank: #1383 (+11)
25.2M → Finish
10:24 | 10:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:19:23
Pace10:39 /mi
2nd Half
Distance13.12 mi
Time2:39:40
Pace12:11 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:11:4433:3110:4833:31
10:48
-
10K
6.21 mi08:44:241:06:1110:4032:40
10:31
-0:17
15K
9.32 mi09:16:501:38:3710:3532:26
10:27
-0:04
20K
12.43 mi09:50:042:11:5110:3733:14
10:42
+0:15
Half
13.10 mi09:57:362:19:2310:397:32
11:14
+0:32
25K
15.53 mi10:26:462:48:3310:5229:10
11:59
+0:45
30K
18.64 mi10:59:443:21:3110:4932:58
10:37
-1:22
35K
21.75 mi11:44:534:06:4011:2145:09
14:32
+3:55
25.2M
25.20 mi12:26:524:48:3911:2841:59
12:10
-2:22
Finish
26.22 mi12:37:164:59:0311:2510:24
10:13
-1:57

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

10:13 /mi

Average Pace

11:25 /mi

Slowest Pace

14:32 /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

3:02:45

61% of race

Time at Slower Pace

1:56:18

39% of race

Average Pace: 11:24 /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 mi08:11:4433:3110:4833:31
10:48
#1472
10K
6.21 mi08:44:241:06:1110:4032:40
10:31
#1411
15K
9.32 mi09:16:501:38:3710:3532:26
10:27
#1375
20K
12.43 mi09:50:042:11:5110:3733:14
10:42
#1368
Half
13.10 mi09:57:362:19:2310:397:32
11:14
#1353
25K
15.53 mi10:26:462:48:3310:5229:10
11:59
#1371
30K
18.64 mi10:59:443:21:3110:4932:58
10:37
#1377
35K
21.75 mi11:44:534:06:4011:2145:09
14:32
#1401
25.2M
25.20 mi12:26:524:48:3911:2841:59
12:10
#1394
Finish
26.22 mi12:37:164:59:0311:2510:24
10:13
#1383
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-24Seg. OverallSeg. MalesSeg. M20-24
5K3.11 mi3.11 mi14729441071322(Top 68%)878(Top 76%)103(Top 81%)
10K6.21 mi3.10 mi1411+61916+28105+21358(Top 70%)894(Top 78%)106(Top 83%)
15K9.32 mi3.11 mi1375+36901+151051322(Top 68%)878(Top 76%)103(Top 81%)
20K12.43 mi3.11 mi1368+7895+61051357(Top 70%)880(Top 76%)105(Top 83%)
Half13.10 mi0.67 mi1353+15884+111051281(Top 66%)841(Top 73%)98(Top 77%)
25K15.53 mi2.43 mi1371-18890-6106-11482(Top 76%)930(Top 81%)109(Top 86%)
30K18.64 mi3.11 mi1377-6888+2105+11409(Top 72%)875(Top 76%)102(Top 80%)
35K21.75 mi3.11 mi1401-24891-3108-31429(Top 73%)871(Top 76%)101(Top 80%)
25.2M25.20 mi3.45 mi1394+7882+9105+31215(Top 62%)734(Top 64%)85(Top 67%)
Finish26.22 mi1.02 mi1383+11874+8103+21035(Top 53%)641(Top 56%)81(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×1
+26ft-31ft

Overall

1322

Males

878

M20-24

103

5K→10K

3.1 - 6.2 mi

Top 70%
×2
+38ft-17ft

Overall

1358

Males

894

M20-24

106

10K→15K

6.2 - 9.3 mi

Top 68%
×2
+26ft-44ft

Overall

1322

Males

878

M20-24

103

15K→20K

9.3 - 12.4 mi

Top 70%
×1
+35ft-22ft

Overall

1357

Males

880

M20-24

105

20K→Half

12.4 - 13.1 mi

Top 66%
×1
+7ft-13ft

Overall

1281

Males

841

M20-24

98

Half→25K

13.1 - 15.5 mi

Top 76%
×2
+48ft-19ft

Overall

1482

Males

930

M20-24

109

25K→30K

15.5 - 18.6 mi

Top 72%
×2
+38ft-52ft

Overall

1409

Males

875

M20-24

102

30K→35K

18.6 - 21.8 mi

Top 73%
×2
+39ft-39ft

Overall

1429

Males

871

M20-24

101

35K→25.2M

21.8 - 25.2 mi

Top 62%
×3
+57ft-58ft

Overall

1215

Males

734

M20-24

85

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×1
+17ft-12ft

Overall

1035

Males

641

M20-24

81

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
230
Passed By
141
Net Change
+89
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1472
5K → 10K709+61#1472#1411
10K → 15K4711+36#1411#1375
15K → 20K1710+7#1375#1368
20K → Half150+15#1368#1353
Half → 25K1331-18#1353#1371
25K → 30K1824-6#1371#1377
30K → 35K1943-24#1377#1401
35K → 25.2M2013+7#1401#1394
25.2M → Finish110+11#1394#1383
TOTALS230141+89
📊

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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