All Results|Race Analytics|Course|Contact
SHAMROCK MARATHON 2025

Joshua Brown

Bib: 1039•M•Age: 35

Springfield, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 1949
Top 40%
Gender (Male)
#0 / 1153
Top 47%
Age Group (M35-39)
Official
#0 / 178
Calculated (M35-39)
#0 / 178
Top 45%
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
28:13
3.11 mi
Rank: #820
Start → 5K
28:13 | 9:05/mi
10K
55:59
6.21 mi
Rank: #774 (+46)
5K → 10K
27:46 | 8:57/mi
15K
1:23:12
9.32 mi
Rank: #736 (+38)
10K → 15K
27:13 | 8:46/mi
20K
1:50:06
12.43 mi
Rank: #694 (+42)
15K → 20K
26:54 | 8:40/mi
Half
1:56:22
13.10 mi
Rank: #687 (+7)
20K → Half
6:16 | 9:21/mi
25K
2:18:21
15.53 mi
Rank: #673 (+14)
Half → 25K
21:59 | 9:02/mi
30K
2:43:35
18.64 mi
Rank: #645 (+28)
25K → 30K
25:14 | 8:08/mi
35K
3:22:01
21.75 mi
Rank: #724 (-79)
30K → 35K
38:26 | 12:23/mi
25.2M
4:03:47
25.20 mi
Rank: #777 (-53)
35K → 25.2M
41:46 | 12:07/mi
Finish
4:14:13
26.22 mi
Rank: #784 (-7)
25.2M → Finish
10:26 | 10:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:56:22
Pace8:54 /mi
2nd Half
Distance13.12 mi
Time2:17:52
Pace10:31 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:04:3128:139:0528:13
9:05
-
10K
6.21 mi08:32:1755:599:0127:46
8:57
-0:08
15K
9.32 mi08:59:301:23:128:5627:13
8:46
-0:11
20K
12.43 mi09:26:241:50:068:5226:54
8:40
-0:06
Half
13.10 mi09:32:401:56:228:546:16
9:21
+0:41
25K
15.53 mi09:54:392:18:218:5521:59
9:02
-0:19
30K
18.64 mi10:19:532:43:358:4725:14
8:08
-0:54
35K
21.75 mi10:58:193:22:019:1838:26
12:23
+4:15
25.2M
25.20 mi11:40:054:03:479:4141:46
12:07
-0:16
Finish
26.22 mi11:50:314:14:139:4310:26
10:15
-1:52

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

8:08 /mi

Average Pace

9:42 /mi

Slowest Pace

12:23 /mi

Loading chart...
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

25:14

10% of race

Time at Steady Pace

2:18:21

54% of race

Time at Slower Pace

1:30:38

36% of race

Average Pace: 9:42 /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 mi08:04:3128:139:0528:13
9:05
#820
10K
6.21 mi08:32:1755:599:0127:46
8:57
#774
15K
9.32 mi08:59:301:23:128:5627:13
8:46
#736
20K
12.43 mi09:26:241:50:068:5226:54
8:40
#694
Half
13.10 mi09:32:401:56:228:546:16
9:21
#687
25K
15.53 mi09:54:392:18:218:5521:59
9:02
#673
30K
18.64 mi10:19:532:43:358:4725:14
8:08
#645
35K
21.75 mi10:58:193:22:019:1838:26
12:23
#724
25.2M
25.20 mi11:40:054:03:479:4141:46
12:07
#777
Finish
26.22 mi11:50:314:14:139:4310:26
10:15
#784
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 mi82058690652(Top 33%)476(Top 41%)79(Top 44%)
10K6.21 mi3.10 mi774+46554+3287+3743(Top 38%)533(Top 46%)83(Top 47%)
15K9.32 mi3.11 mi736+38529+2584+3652(Top 33%)476(Top 41%)79(Top 44%)
20K12.43 mi3.11 mi694+42508+2183+1607(Top 31%)446(Top 39%)73(Top 41%)
Half13.10 mi0.67 mi687+7503+583614(Top 32%)453(Top 39%)73(Top 41%)
25K15.53 mi2.43 mi673+14495+879+4596(Top 31%)435(Top 38%)70(Top 39%)
30K18.64 mi3.11 mi645+28473+2276+3627(Top 32%)446(Top 39%)64(Top 36%)
35K21.75 mi3.11 mi724-79515-42761006(Top 52%)643(Top 56%)97(Top 54%)
25.2M25.20 mi3.45 mi777-53540-2578-21199(Top 62%)726(Top 63%)110(Top 62%)
Finish26.22 mi1.02 mi784-7545-580-21048(Top 54%)650(Top 56%)98(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×1
+26ft-31ft

Overall

652

Males

476

M35-39

79

5K→10K

3.1 - 6.2 mi

Top 38%
×2
+38ft-17ft

Overall

743

Males

533

M35-39

83

10K→15K

6.2 - 9.3 mi

Top 33%
×2
+26ft-44ft

Overall

652

Males

476

M35-39

79

15K→20K

9.3 - 12.4 mi

Top 31%
×1
+35ft-22ft

Overall

607

Males

446

M35-39

73

20K→Half

12.4 - 13.1 mi

Top 32%
×1
+7ft-13ft

Overall

614

Males

453

M35-39

73

Half→25K

13.1 - 15.5 mi

Top 31%
×2
+48ft-19ft

Overall

596

Males

435

M35-39

70

25K→30K

15.5 - 18.6 mi

Top 32%
×2
+38ft-52ft

Overall

627

Males

446

M35-39

64

30K→35K

18.6 - 21.8 mi

Top 52%
×2
+39ft-39ft

Overall

1006

Males

643

M35-39

97

35K→25.2M

21.8 - 25.2 mi

Top 62%
×3
+57ft-58ft

Overall

1199

Males

726

M35-39

110

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×1
+17ft-12ft

Overall

1048

Males

650

M35-39

98

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
218
Passed By
182
Net Change
+36
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#820
5K → 10K537+46#820#774
10K → 15K391+38#774#736
15K → 20K453+42#736#694
20K → Half81+7#694#687
Half → 25K217+14#687#673
25K → 30K379+28#673#645
30K → 35K685-79#645#724
35K → 25.2M962-53#724#777
25.2M → Finish07-7#777#784
TOTALS218182+36
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

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
Loading certificate...

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
Share Feedback

Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management