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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Meredith Miller

Bib: 2206 •F •Age: 31

Catonsville, MD

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 22%
Gender (Female)
#0 / 791
Top 14%
Age Group (F30-34)
#0 / 104
Top 22%
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
27:04
3.11 mi
Rank: #646
Start → 5K
27:04 | 8:43/mi
10K
53:49
6.21 mi
Rank: #607 (+39)
5K → 10K
26:45 | 8:37/mi
15K
1:20:45
9.32 mi
Rank: #594 (+13)
10K → 15K
26:56 | 8:41/mi
20K
1:47:29
12.43 mi
Rank: #579 (+15)
15K → 20K
26:44 | 8:37/mi
Half
1:53:41
13.10 mi
Rank: #573 (+6)
20K → Half
6:12 | 9:15/mi
25K
2:15:03
15.53 mi
Rank: #554 (+19)
Half → 25K
21:22 | 8:47/mi
30K
2:38:49
18.64 mi
Rank: #518 (+36)
25K → 30K
23:46 | 7:39/mi
35K
3:08:44
21.75 mi
Rank: #473 (+45)
30K → 35K
29:55 | 9:38/mi
25.2M
3:39:37
25.20 mi
Rank: #445 (+28)
35K → 25.2M
30:53 | 8:57/mi
Finish
3:47:58
26.22 mi
Rank: #437 (+8)
25.2M → Finish
8:21 | 8:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.10 mi
Time1:53:41
Pace8:41 /mi
2nd Half⚖️ Balanced
Distance13.12 mi
Time1:54:18
Pace8:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:59:3627:048:4327:04
8:43
-
10K
6.21 mi08:26:2153:498:4026:45
8:37
-0:06
15K
9.32 mi08:53:171:20:458:4026:56
8:41
+0:04
20K
12.43 mi09:20:011:47:298:3926:44
8:37
-0:04
Half
13.10 mi09:26:131:53:418:416:12
9:15
+0:38
25K
15.53 mi09:47:352:15:038:4221:22
8:47
-0:28
30K
18.64 mi10:11:212:38:498:3223:46
7:39
-1:08
35K
21.75 mi10:41:163:08:448:4129:55
9:38
+1:59
25.2M
25.20 mi11:12:093:39:378:4330:53
8:57
-0:41
Finish
26.22 mi11:20:303:47:588:438:21
8:12
-0:45

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

7:39 /mi

Average Pace

8:42 /mi

Slowest Pace

9:38 /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

32:07

14% of race

Time at Steady Pace

2:39:44

70% of race

Time at Slower Pace

36:07

16% of race

Average Pace: 8:42 /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 mi07:59:3627:048:4327:04
8:43
#646
10K
6.21 mi08:26:2153:498:4026:45
8:37
#607
15K
9.32 mi08:53:171:20:458:4026:56
8:41
#594
20K
12.43 mi09:20:011:47:298:3926:44
8:37
#579
Half
13.10 mi09:26:131:53:418:416:12
9:15
#573
25K
15.53 mi09:47:352:15:038:4221:22
8:47
#554
30K
18.64 mi10:11:212:38:498:3223:46
7:39
#518
35K
21.75 mi10:41:163:08:448:4129:55
9:38
#473
25.2M
25.20 mi11:12:093:39:378:4330:53
8:57
#445
Finish
26.22 mi11:20:303:47:588:438:21
8:12
#437
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 mi64617229587(Top 30%)156(Top 20%)26(Top 25%)
10K6.21 mi3.10 mi607+39159+1329561(Top 29%)141(Top 18%)26(Top 25%)
15K9.32 mi3.11 mi594+13154+526+3587(Top 30%)156(Top 20%)26(Top 25%)
20K12.43 mi3.11 mi579+15149+525+1558(Top 29%)145(Top 18%)26(Top 25%)
Half13.10 mi0.67 mi573+6147+225569(Top 29%)145(Top 18%)27(Top 26%)
25K15.53 mi2.43 mi554+19139+824+1488(Top 25%)121(Top 15%)24(Top 23%)
30K18.64 mi3.11 mi518+36133+624429(Top 22%)110(Top 14%)23(Top 22%)
35K21.75 mi3.11 mi473+45121+1224350(Top 18%)101(Top 13%)19(Top 18%)
25.2M25.20 mi3.45 mi445+28113+823+1362(Top 19%)111(Top 14%)23(Top 22%)
Finish26.22 mi1.02 mi437+811323343(Top 18%)105(Top 13%)23(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×1
+26ft-31ft

Overall

587

Females

156

F30-34

26

5K→10K

3.1 - 6.2 mi

Top 29%
×2
+38ft-17ft

Overall

561

Females

141

F30-34

26

10K→15K

6.2 - 9.3 mi

Top 30%
×2
+26ft-44ft

Overall

587

Females

156

F30-34

26

15K→20K

9.3 - 12.4 mi

Top 29%
×1
+35ft-22ft

Overall

558

Females

145

F30-34

26

20K→Half

12.4 - 13.1 mi

Top 29%
×1
+7ft-13ft

Overall

569

Females

145

F30-34

27

Half→25K

13.1 - 15.5 mi

Top 25%
×2
+48ft-19ft

Overall

488

Females

121

F30-34

24

25K→30K

15.5 - 18.6 mi

Top 22%
×2
+38ft-52ft

Overall

429

Females

110

F30-34

23

30K→35K

18.6 - 21.8 mi

Top 18%
×2
+39ft-39ft

Overall

350

Females

101

F30-34

19

35K→25.2M

21.8 - 25.2 mi

Top 19%
×3
+57ft-58ft

Overall

362

Females

111

F30-34

23

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×1
+17ft-12ft

Overall

343

Females

105

F30-34

23

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
251
Passed By
42
Net Change
+209
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#646
5K → 10K489+39#646#607
10K → 15K2411+13#607#594
15K → 20K194+15#594#579
20K → Half93+6#579#573
Half → 25K267+19#573#554
25K → 30K371+36#554#518
30K → 35K450+45#518#473
35K → 25.2M357+28#473#445
25.2M → Finish80+8#445#437
TOTALS25142+209
📊

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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