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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Melissa Brashear

Bib: 1574 •F •Age: 32

Washington, DC

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Top 42%
Age Group (F30-34)
#0 / 104
Top 49%
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
27:13
3.11 mi
Rank: #668
Start → 5K
27:13 | 8:46/mi
10K
54:44
6.21 mi
Rank: #678 (-10)
5K → 10K
27:31 | 8:52/mi
15K
1:22:59
9.32 mi
Rank: #722 (-44)
10K → 15K
28:15 | 9:06/mi
20K
1:51:18
12.43 mi
Rank: #744 (-22)
15K → 20K
28:19 | 9:07/mi
Half
2:00:22
13.10 mi
Rank: #832 (-88)
20K → Half
9:04 | 13:31/mi
25K
2:29:27
15.53 mi
Rank: #961 (-129)
Half → 25K
29:05 | 11:57/mi
30K
3:02:02
18.64 mi
Rank: #1043 (-82)
25K → 30K
32:35 | 10:30/mi
35K
3:38:30
21.75 mi
Rank: #992 (+51)
30K → 35K
36:28 | 11:45/mi
25.2M
4:16:43
25.20 mi
Rank: #973 (+19)
35K → 25.2M
38:13 | 11:05/mi
Finish
4:27:28
26.22 mi
Rank: #977 (-4)
25.2M → Finish
10:45 | 10:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:00:22
Pace9:12 /mi
2nd Half
Distance13.12 mi
Time2:27:07
Pace11:13 /mi
📊Positive Split: 22.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:01:3227:138:4627:13
8:46
-
10K
6.21 mi08:29:0354:448:4927:31
8:52
+0:06
15K
9.32 mi08:57:181:22:598:5528:15
9:06
+0:14
20K
12.43 mi09:25:371:51:188:5828:19
9:07
+0:01
Half
13.10 mi09:34:412:00:229:129:04
13:31
+4:24
25K
15.53 mi10:03:462:29:279:3829:05
11:57
-1:34
30K
18.64 mi10:36:213:02:029:4632:35
10:30
-1:27
35K
21.75 mi11:12:493:38:3010:0336:28
11:45
+1:15
25.2M
25.20 mi11:51:024:16:4310:1238:13
11:05
-0:40
Finish
26.22 mi12:01:474:27:2810:1310:45
10:33
-0:32

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

8:46 /mi

Average Pace

10:13 /mi

Slowest Pace

13:31 /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

1:51:18

42% of race

Time at Steady Pace

1:21:33

30% of race

Time at Slower Pace

1:14:37

28% of race

Average Pace: 10:12 /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 mi08:01:3227:138:4627:13
8:46
#668
10K
6.21 mi08:29:0354:448:4927:31
8:52
#678
15K
9.32 mi08:57:181:22:598:5528:15
9:06
#722
20K
12.43 mi09:25:371:51:188:5828:19
9:07
#744
Half
13.10 mi09:34:412:00:229:129:04
13:31
#832
25K
15.53 mi10:03:462:29:279:3829:05
11:57
#961
30K
18.64 mi10:36:213:02:029:4632:35
10:30
#1043
35K
21.75 mi11:12:493:38:3010:0336:28
11:45
#992
25.2M
25.20 mi11:51:024:16:4310:1238:13
11:05
#973
Finish
26.22 mi12:01:474:27:2810:1310:45
10:33
#977
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi66818532816(Top 42%)236(Top 30%)39(Top 38%)
10K6.21 mi3.10 mi678-10187-232698(Top 36%)196(Top 25%)33(Top 32%)
15K9.32 mi3.11 mi722-44203-1635-3816(Top 42%)236(Top 30%)39(Top 38%)
20K12.43 mi3.11 mi744-22208-535821(Top 42%)232(Top 29%)39(Top 38%)
Half13.10 mi0.67 mi832-88240-3239-41749(Top 90%)674(Top 85%)89(Top 86%)
25K15.53 mi2.43 mi961-129288-4844-51475(Top 76%)545(Top 69%)77(Top 74%)
30K18.64 mi3.11 mi1043-82331-4349-51389(Top 71%)523(Top 66%)73(Top 70%)
35K21.75 mi3.11 mi992+51320+1147+2842(Top 43%)290(Top 37%)46(Top 44%)
25.2M25.20 mi3.45 mi973+19327-749-2925(Top 47%)351(Top 44%)58(Top 56%)
Finish26.22 mi1.02 mi977-4329-251-21157(Top 59%)440(Top 56%)67(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×1
+26ft-31ft

Overall

816

Females

236

F30-34

39

5K→10K

3.1 - 6.2 mi

Top 36%
×2
+38ft-17ft

Overall

698

Females

196

F30-34

33

10K→15K

6.2 - 9.3 mi

Top 42%
×2
+26ft-44ft

Overall

816

Females

236

F30-34

39

15K→20K

9.3 - 12.4 mi

Top 42%
×1
+35ft-22ft

Overall

821

Females

232

F30-34

39

20K→Half

12.4 - 13.1 mi

Top 90%
×1
+7ft-13ft

Overall

1749

Females

674

F30-34

89

Half→25K

13.1 - 15.5 mi

Top 76%
×2
+48ft-19ft

Overall

1475

Females

545

F30-34

77

25K→30K

15.5 - 18.6 mi

Top 71%
×2
+38ft-52ft

Overall

1389

Females

523

F30-34

73

30K→35K

18.6 - 21.8 mi

Top 43%
×2
+39ft-39ft

Overall

842

Females

290

F30-34

46

35K→25.2M

21.8 - 25.2 mi

Top 47%
×3
+57ft-58ft

Overall

925

Females

351

F30-34

58

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×1
+17ft-12ft

Overall

1157

Females

440

F30-34

67

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
128
Passed By
437
Net Change
-309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#668
5K → 10K1424-10#668#678
10K → 15K549-44#678#722
15K → 20K729-22#722#744
20K → Half391-88#744#832
Half → 25K0129-129#832#961
25K → 30K183-82#961#1043
30K → 35K6110+51#1043#992
35K → 25.2M3415+19#992#973
25.2M → Finish37-4#973#977
TOTALS128437-309
📊

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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