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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Art Marquez

Bib: 445 •M •Age: 36

Norfolk, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M35-39)
Official
#0 / 178
Calculated (M35-39)
#0 / 178
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
35:35
3.11 mi
Rank: #1687
Start → 5K
35:35 | 11:28/mi
10K
1:05:43
6.21 mi
Rank: #1386 (+301)
5K → 10K
30:08 | 9:42/mi
15K
1:41:42
9.32 mi
Rank: #1458 (-72)
10K → 15K
35:59 | 11:35/mi
20K
2:12:05
12.43 mi
Rank: #1371 (+87)
15K → 20K
30:23 | 9:47/mi
Half
2:19:27
13.10 mi
Rank: #1357 (+14)
20K → Half
7:22 | 10:59/mi
25K
2:45:10
15.53 mi
Rank: #1313 (+44)
Half → 25K
25:43 | 10:34/mi
30K
3:15:55
18.64 mi
Rank: #1292 (+21)
25K → 30K
30:45 | 9:54/mi
35K
3:59:17
21.75 mi
Rank: #1292
30K → 35K
43:22 | 13:58/mi
25.2M
4:45:11
25.20 mi
Rank: #1345 (-53)
35K → 25.2M
45:54 | 13:18/mi
Finish
4:57:33
26.22 mi
Rank: #1359 (-14)
25.2M → Finish
12:22 | 12:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:19:27
Pace10:39 /mi
2nd Half
Distance13.12 mi
Time2:38:06
Pace12:04 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:12:0035:3511:2835:35
11:28
-
10K
6.21 mi08:42:081:05:4310:3530:08
9:42
-1:46
15K
9.32 mi09:18:071:41:4210:5535:59
11:35
+1:53
20K
12.43 mi09:48:302:12:0510:3830:23
9:47
-1:48
Half
13.10 mi09:55:522:19:2710:397:22
10:59
+1:12
25K
15.53 mi10:21:352:45:1010:3825:43
10:34
-0:25
30K
18.64 mi10:52:203:15:5510:3130:45
9:54
-0:40
35K
21.75 mi11:35:423:59:1711:0143:22
13:58
+4:04
25.2M
25.20 mi12:21:364:45:1111:2045:54
13:18
-0:40
Finish
26.22 mi12:33:584:57:3311:2212:22
12:09
-1:09

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

9:42 /mi

Average Pace

11:21 /mi

Slowest Pace

13:58 /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

1:56:59

39% of race

Time at Steady Pace

1:31:18

31% of race

Time at Slower Pace

1:29:16

30% of race

Average Pace: 11:21 /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 mi08:12:0035:3511:2835:35
11:28
#1687
10K
6.21 mi08:42:081:05:4310:3530:08
9:42
#1386
15K
9.32 mi09:18:071:41:4210:5535:59
11:35
#1458
20K
12.43 mi09:48:302:12:0510:3830:23
9:47
#1371
Half
13.10 mi09:55:522:19:2710:397:22
10:59
#1357
25K
15.53 mi10:21:352:45:1010:3825:43
10:34
#1313
30K
18.64 mi10:52:203:15:5510:3130:45
9:54
#1292
35K
21.75 mi11:35:423:59:1711:0143:22
13:58
#1292
25.2M
25.20 mi12:21:364:45:1111:2045:54
13:18
#1345
Finish
26.22 mi12:33:584:57:3311:2212:22
12:09
#1359
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi168710521681632(Top 84%)1029(Top 89%)163(Top 92%)
10K6.21 mi3.10 mi1386+301904+148144+241049(Top 54%)726(Top 63%)114(Top 64%)
15K9.32 mi3.11 mi1458-72938-34151-71632(Top 84%)1029(Top 89%)163(Top 92%)
20K12.43 mi3.11 mi1371+87898+40143+81063(Top 55%)730(Top 63%)114(Top 64%)
Half13.10 mi0.67 mi1357+14887+11141+21183(Top 61%)793(Top 69%)126(Top 71%)
25K15.53 mi2.43 mi1313+44862+25138+31101(Top 56%)745(Top 65%)115(Top 65%)
30K18.64 mi3.11 mi1292+21846+16133+51213(Top 62%)779(Top 68%)127(Top 71%)
35K21.75 mi3.11 mi1292835+11134-11314(Top 67%)812(Top 70%)122(Top 69%)
25.2M25.20 mi3.45 mi1345-53856-21138-41486(Top 76%)892(Top 77%)137(Top 77%)
Finish26.22 mi1.02 mi1359-14861-51381546(Top 79%)923(Top 80%)144(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×1
+26ft-31ft

Overall

1632

Males

1029

M35-39

163

5K→10K

3.1 - 6.2 mi

Top 54%
×2
+38ft-17ft

Overall

1049

Males

726

M35-39

114

10K→15K

6.2 - 9.3 mi

Top 84%
×2
+26ft-44ft

Overall

1632

Males

1029

M35-39

163

15K→20K

9.3 - 12.4 mi

Top 55%
×1
+35ft-22ft

Overall

1063

Males

730

M35-39

114

20K→Half

12.4 - 13.1 mi

Top 61%
×1
+7ft-13ft

Overall

1183

Males

793

M35-39

126

Half→25K

13.1 - 15.5 mi

Top 56%
×2
+48ft-19ft

Overall

1101

Males

745

M35-39

115

25K→30K

15.5 - 18.6 mi

Top 62%
×2
+38ft-52ft

Overall

1213

Males

779

M35-39

127

30K→35K

18.6 - 21.8 mi

Top 67%
×2
+39ft-39ft

Overall

1314

Males

812

M35-39

122

35K→25.2M

21.8 - 25.2 mi

Top 76%
×3
+57ft-58ft

Overall

1486

Males

892

M35-39

137

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×1
+17ft-12ft

Overall

1546

Males

923

M35-39

144

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
522*
Passed By
194
Net Change
+328
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1687
5K → 10K301*0+301#1687#1386
10K → 15K274-72#1386#1458
15K → 20K881+87#1458#1371
20K → Half151+14#1371#1357
Half → 25K517+44#1357#1313
25K → 30K3211+21#1313#1292
30K → 35K25250#1292#1292
35K → 25.2M558-53#1292#1345
25.2M → Finish317-14#1345#1359
TOTALS522*194+328

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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