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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Jatin Vemuri

Bib: 2894 •M •Age: 27

Ashburn, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M25-29)
#0 / 240
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
38:05
3.11 mi
Rank: #1811
Start → 5K
38:05 | 12:16/mi
10K
1:16:45
6.21 mi
Rank: #1807 (+4)
5K → 10K
38:40 | 12:27/mi
15K
1:57:49
9.32 mi
Rank: #1824 (-17)
10K → 15K
41:04 | 13:14/mi
20K
2:41:04
12.43 mi
Rank: #1845 (-21)
15K → 20K
43:15 | 13:56/mi
Half
2:50:51
13.10 mi
Rank: #1835 (+10)
20K → Half
9:47 | 14:35/mi
25K
3:31:31
15.53 mi
Rank: #1875 (-40)
Half → 25K
40:40 | 16:42/mi
30K
4:18:34
18.64 mi
Rank: #1893 (-18)
25K → 30K
47:03 | 15:09/mi
35K
5:13:22
21.75 mi
Rank: #1886 (+7)
30K → 35K
54:48 | 17:39/mi
25.2M
6:09:19
25.20 mi
Rank: #1882 (+4)
35K → 25.2M
55:57 | 16:13/mi
Finish
6:25:08
26.22 mi
Rank: #1882
25.2M → Finish
15:49 | 15:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:50:51
Pace13:03 /mi
2nd Half
Distance13.12 mi
Time3:34:17
Pace16:20 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:22:3538:0512:1638:05
12:16
-
10K
6.21 mi09:01:151:16:4512:2238:40
12:27
+0:11
15K
9.32 mi09:42:191:57:4912:3941:04
13:14
+0:47
20K
12.43 mi10:25:342:41:0412:5843:15
13:56
+0:42
Half
13.10 mi10:35:212:50:5113:039:47
14:35
+0:39
25K
15.53 mi11:16:013:31:3113:3740:40
16:42
+2:07
30K
18.64 mi12:03:044:18:3413:5347:03
15:09
-1:33
35K
21.75 mi12:57:525:13:2214:2554:48
17:39
+2:30
25.2M
25.20 mi13:53:496:09:1914:4055:57
16:13
-1:26
Finish
26.22 mi14:09:386:25:0814:4215:49
15:32
-0:41

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

12:16 /mi

Average Pace

14:42 /mi

Slowest Pace

17:39 /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

2:41:04

42% of race

Time at Steady Pace

1:12:39

19% of race

Time at Slower Pace

2:31:25

39% of race

Average Pace: 14:41 /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 mi08:22:3538:0512:1638:05
12:16
#1811
10K
6.21 mi09:01:151:16:4512:2238:40
12:27
#1807
15K
9.32 mi09:42:191:57:4912:3941:04
13:14
#1824
20K
12.43 mi10:25:342:41:0412:5843:15
13:56
#1845
Half
13.10 mi10:35:212:50:5113:039:47
14:35
#1835
25K
15.53 mi11:16:013:31:3113:3740:40
16:42
#1875
30K
18.64 mi12:03:044:18:3413:5347:03
15:09
#1893
35K
21.75 mi12:57:525:13:2214:2554:48
17:39
#1886
25.2M
25.20 mi13:53:496:09:1914:4055:57
16:13
#1882
Finish
26.22 mi14:09:386:25:0814:4215:49
15:32
#1882
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi181111042261850(Top 95%)1120(Top 97%)237(Top 99%)
10K6.21 mi3.10 mi1807+41104227-11793(Top 92%)1098(Top 95%)231(Top 96%)
15K9.32 mi3.11 mi1824-171115-11235-81850(Top 95%)1120(Top 97%)237(Top 99%)
20K12.43 mi3.11 mi1845-211121-6237-21863(Top 96%)1121(Top 97%)238(Top 99%)
Half13.10 mi0.67 mi1835+101114+7236+11838(Top 94%)1101(Top 95%)234(Top 98%)
25K15.53 mi2.43 mi1875-401128-14239-31914(Top 98%)1131(Top 98%)238(Top 99%)
30K18.64 mi3.11 mi1893-181132-42391934(Top 99%)1143(Top 99%)238(Top 99%)
35K21.75 mi3.11 mi1886+71128+4237+21801(Top 92%)1074(Top 93%)227(Top 95%)
25.2M25.20 mi3.45 mi1882+41123+5235+21836(Top 94%)1088(Top 94%)223(Top 93%)
Finish26.22 mi1.02 mi188211232351887(Top 97%)1116(Top 97%)232(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×1
+26ft-31ft

Overall

1850

Males

1120

M25-29

237

5K→10K

3.1 - 6.2 mi

Top 92%
×2
+38ft-17ft

Overall

1793

Males

1098

M25-29

231

10K→15K

6.2 - 9.3 mi

Top 95%
×2
+26ft-44ft

Overall

1850

Males

1120

M25-29

237

15K→20K

9.3 - 12.4 mi

Top 96%
×1
+35ft-22ft

Overall

1863

Males

1121

M25-29

238

20K→Half

12.4 - 13.1 mi

Top 94%
×1
+7ft-13ft

Overall

1838

Males

1101

M25-29

234

Half→25K

13.1 - 15.5 mi

Top 98%
×2
+48ft-19ft

Overall

1914

Males

1131

M25-29

238

25K→30K

15.5 - 18.6 mi

Top 99%
×2
+38ft-52ft

Overall

1934

Males

1143

M25-29

238

30K→35K

18.6 - 21.8 mi

Top 92%
×2
+39ft-39ft

Overall

1801

Males

1074

M25-29

227

35K→25.2M

21.8 - 25.2 mi

Top 94%
×3
+57ft-58ft

Overall

1836

Males

1088

M25-29

223

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×1
+17ft-12ft

Overall

1887

Males

1116

M25-29

232

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
67
Passed By
138
Net Change
-71
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1811
5K → 10K2824+4#1811#1807
10K → 15K421-17#1807#1824
15K → 20K223-21#1824#1845
20K → Half122+10#1845#1835
Half → 25K444-40#1835#1875
25K → 30K018-18#1875#1893
30K → 35K92+7#1893#1886
35K → 25.2M73+4#1886#1882
25.2M → Finish110#1882#1882
TOTALS67138-71
📊

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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