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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Robert Hanson

Bib: 754 •M •Age: 29

Arlington, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 24%
Gender (Male)
#0 / 1153
Top 30%
Age Group (M25-29)
#0 / 240
Top 32%
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
27:01
3.11 mi
Rank: #635
Start → 5K
27:01 | 8:42/mi
10K
54:34
6.21 mi
Rank: #666 (-31)
5K → 10K
27:33 | 8:53/mi
15K
1:22:05
9.32 mi
Rank: #665 (+1)
10K → 15K
27:31 | 8:52/mi
20K
1:49:12
12.43 mi
Rank: #662 (+3)
15K → 20K
27:07 | 8:44/mi
Half
1:55:25
13.10 mi
Rank: #653 (+9)
20K → Half
6:13 | 9:16/mi
25K
2:16:43
15.53 mi
Rank: #616 (+37)
Half → 25K
21:18 | 8:45/mi
30K
2:40:30
18.64 mi
Rank: #570 (+46)
25K → 30K
23:47 | 7:40/mi
35K
3:10:38
21.75 mi
Rank: #504 (+66)
30K → 35K
30:08 | 9:42/mi
25.2M
3:41:46
25.20 mi
Rank: #477 (+27)
35K → 25.2M
31:08 | 9:02/mi
Finish
3:50:49
26.22 mi
Rank: #476 (+1)
25.2M → Finish
9:03 | 8:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.10 mi
Time1:55:25
Pace8:49 /mi
2nd Half⚖️ Balanced
Distance13.12 mi
Time1:55:25
Pace8:48 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:01:2327:018:4227:01
8:42
-
10K
6.21 mi08:28:5654:348:4727:33
8:53
+0:11
15K
9.32 mi08:56:271:22:058:4927:31
8:52
-0:01
20K
12.43 mi09:23:341:49:128:4827:07
8:44
-0:08
Half
13.10 mi09:29:471:55:258:496:13
9:16
+0:32
25K
15.53 mi09:51:052:16:438:4921:18
8:45
-0:31
30K
18.64 mi10:14:522:40:308:3723:47
7:40
-1:05
35K
21.75 mi10:45:003:10:388:4630:08
9:42
+2:02
25.2M
25.20 mi11:16:083:41:468:4931:08
9:02
-0:40
Finish
26.22 mi11:25:113:50:498:499:03
8:53
-0:09

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

7:40 /mi

Average Pace

8:49 /mi

Slowest Pace

9:42 /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

23:47

10% of race

Time at Steady Pace

2:50:41

74% of race

Time at Slower Pace

36:21

16% of race

Average Pace: 8:48 /mi

Loading chart...
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 mi08:01:2327:018:4227:01
8:42
#635
10K
6.21 mi08:28:5654:348:4727:33
8:53
#666
15K
9.32 mi08:56:271:22:058:4927:31
8:52
#665
20K
12.43 mi09:23:341:49:128:4827:07
8:44
#662
Half
13.10 mi09:29:471:55:258:496:13
9:16
#653
25K
15.53 mi09:51:052:16:438:4921:18
8:45
#616
30K
18.64 mi10:14:522:40:308:3723:47
7:40
#570
35K
21.75 mi10:45:003:10:388:4630:08
9:42
#504
25.2M
25.20 mi11:16:083:41:468:4931:08
9:02
#477
Finish
26.22 mi11:25:113:50:498:499:03
8:53
#476
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 mi635468102695(Top 36%)504(Top 44%)108(Top 45%)
10K6.21 mi3.10 mi666-31484-16102702(Top 36%)505(Top 44%)106(Top 44%)
15K9.32 mi3.11 mi665+1482+2101+1695(Top 36%)504(Top 44%)108(Top 45%)
20K12.43 mi3.11 mi662+3483-1101636(Top 33%)469(Top 41%)100(Top 42%)
Half13.10 mi0.67 mi653+9476+797+4572(Top 29%)426(Top 37%)91(Top 38%)
25K15.53 mi2.43 mi616+37452+2496+1476(Top 24%)361(Top 31%)78(Top 33%)
30K18.64 mi3.11 mi570+46417+3590+6430(Top 22%)320(Top 28%)73(Top 30%)
35K21.75 mi3.11 mi504+66371+4678+12362(Top 19%)257(Top 22%)58(Top 24%)
25.2M25.20 mi3.45 mi477+27350+2176+2376(Top 19%)258(Top 22%)61(Top 25%)
Finish26.22 mi1.02 mi476+1347+376539(Top 28%)356(Top 31%)84(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×1
+26ft-31ft

Overall

695

Males

504

M25-29

108

5K→10K

3.1 - 6.2 mi

Top 36%
×2
+38ft-17ft

Overall

702

Males

505

M25-29

106

10K→15K

6.2 - 9.3 mi

Top 36%
×2
+26ft-44ft

Overall

695

Males

504

M25-29

108

15K→20K

9.3 - 12.4 mi

Top 33%
×1
+35ft-22ft

Overall

636

Males

469

M25-29

100

20K→Half

12.4 - 13.1 mi

Top 29%
×1
+7ft-13ft

Overall

572

Males

426

M25-29

91

Half→25K

13.1 - 15.5 mi

Top 24%
×2
+48ft-19ft

Overall

476

Males

361

M25-29

78

25K→30K

15.5 - 18.6 mi

Top 22%
×2
+38ft-52ft

Overall

430

Males

320

M25-29

73

30K→35K

18.6 - 21.8 mi

Top 19%
×2
+39ft-39ft

Overall

362

Males

257

M25-29

58

35K→25.2M

21.8 - 25.2 mi

Top 19%
×3
+57ft-58ft

Overall

376

Males

258

M25-29

61

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×1
+17ft-12ft

Overall

539

Males

356

M25-29

84

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
234
Passed By
75
Net Change
+159
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#635
5K → 10K940-31#635#666
10K → 15K1211+1#666#665
15K → 20K1310+3#665#662
20K → Half112+9#662#653
Half → 25K392+37#653#616
25K → 30K460+46#616#570
30K → 35K682+66#570#504
35K → 25.2M336+27#504#477
25.2M → Finish32+1#477#476
TOTALS23475+159
📊

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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