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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Rachel Gilbert

Bib: 1059 •F •Age: 25

Bethesda, MD

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 32%
Gender (Female)
#0 / 791
Top 23%
Age Group (F25-29)
Official
#0 / 180
Calculated (F25-29)
#0 / 180
Top 28%
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
28:06
3.11 mi
Rank: #797
Start → 5K
28:06 | 9:03/mi
10K
55:31
6.21 mi
Rank: #735 (+62)
5K → 10K
27:25 | 8:50/mi
15K
1:22:48
9.32 mi
Rank: #708 (+27)
10K → 15K
27:17 | 8:47/mi
20K
1:50:08
12.43 mi
Rank: #698 (+10)
15K → 20K
27:20 | 8:48/mi
Half
1:56:24
13.10 mi
Rank: #689 (+9)
20K → Half
6:16 | 9:21/mi
25K
2:18:32
15.53 mi
Rank: #677 (+12)
Half → 25K
22:08 | 9:06/mi
30K
2:43:26
18.64 mi
Rank: #641 (+36)
25K → 30K
24:54 | 8:01/mi
35K
3:17:05
21.75 mi
Rank: #631 (+10)
30K → 35K
33:39 | 10:50/mi
25.2M
3:50:32
25.20 mi
Rank: #618 (+13)
35K → 25.2M
33:27 | 9:42/mi
Finish
3:59:29
26.22 mi
Rank: #617 (+1)
25.2M → Finish
8:57 | 8:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:56:24
Pace8:54 /mi
2nd Half
Distance13.12 mi
Time2:03:05
Pace9:23 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:04:1128:069:0328:06
9:03
-
10K
6.21 mi08:31:3655:318:5727:25
8:50
-0:13
15K
9.32 mi08:58:531:22:488:5427:17
8:47
-0:03
20K
12.43 mi09:26:131:50:088:5227:20
8:48
+0:01
Half
13.10 mi09:32:291:56:248:546:16
9:21
+0:33
25K
15.53 mi09:54:372:18:328:5622:08
9:06
-0:15
30K
18.64 mi10:19:312:43:268:4724:54
8:01
-1:05
35K
21.75 mi10:53:103:17:059:0433:39
10:50
+2:49
25.2M
25.20 mi11:26:373:50:329:0933:27
9:42
-1:08
Finish
26.22 mi11:35:343:59:299:098:57
8:47
-0:55

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

8:01 /mi

Average Pace

9:08 /mi

Slowest Pace

10:50 /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

24:54

10% of race

Time at Steady Pace

2:27:29

62% of race

Time at Slower Pace

1:07:06

28% of race

Average Pace: 9:08 /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 mi08:04:1128:069:0328:06
9:03
#797
10K
6.21 mi08:31:3655:318:5727:25
8:50
#735
15K
9.32 mi08:58:531:22:488:5427:17
8:47
#708
20K
12.43 mi09:26:131:50:088:5227:20
8:48
#698
Half
13.10 mi09:32:291:56:248:546:16
9:21
#689
25K
15.53 mi09:54:372:18:328:5622:08
9:06
#677
30K
18.64 mi10:19:312:43:268:4724:54
8:01
#641
35K
21.75 mi10:53:103:17:059:0433:39
10:50
#631
25.2M
25.20 mi11:26:373:50:329:0933:27
9:42
#618
Finish
26.22 mi11:35:343:59:299:098:57
8:47
#617
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi79723061664(Top 34%)179(Top 23%)51(Top 28%)
10K6.21 mi3.10 mi735+62208+2257+4679(Top 35%)186(Top 24%)52(Top 29%)
15K9.32 mi3.11 mi708+27197+1154+3664(Top 34%)179(Top 23%)51(Top 28%)
20K12.43 mi3.11 mi698+10189+852+2676(Top 35%)180(Top 23%)51(Top 28%)
Half13.10 mi0.67 mi689+9186+352609(Top 31%)160(Top 20%)46(Top 26%)
25K15.53 mi2.43 mi677+12181+552619(Top 32%)172(Top 22%)49(Top 27%)
30K18.64 mi3.11 mi641+36170+1150+2584(Top 30%)170(Top 21%)47(Top 26%)
35K21.75 mi3.11 mi631+10178-852-2621(Top 32%)199(Top 25%)55(Top 31%)
25.2M25.20 mi3.45 mi618+13184-652537(Top 28%)182(Top 23%)52(Top 29%)
Finish26.22 mi1.02 mi617+1183+151+1514(Top 26%)169(Top 21%)47(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×1
+26ft-31ft

Overall

664

Females

179

F25-29

51

5K→10K

3.1 - 6.2 mi

Top 35%
×2
+38ft-17ft

Overall

679

Females

186

F25-29

52

10K→15K

6.2 - 9.3 mi

Top 34%
×2
+26ft-44ft

Overall

664

Females

179

F25-29

51

15K→20K

9.3 - 12.4 mi

Top 35%
×1
+35ft-22ft

Overall

676

Females

180

F25-29

51

20K→Half

12.4 - 13.1 mi

Top 31%
×1
+7ft-13ft

Overall

609

Females

160

F25-29

46

Half→25K

13.1 - 15.5 mi

Top 32%
×2
+48ft-19ft

Overall

619

Females

172

F25-29

49

25K→30K

15.5 - 18.6 mi

Top 30%
×2
+38ft-52ft

Overall

584

Females

170

F25-29

47

30K→35K

18.6 - 21.8 mi

Top 32%
×2
+39ft-39ft

Overall

621

Females

199

F25-29

55

35K→25.2M

21.8 - 25.2 mi

Top 28%
×3
+57ft-58ft

Overall

537

Females

182

F25-29

52

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×1
+17ft-12ft

Overall

514

Females

169

F25-29

47

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
253
Passed By
73
Net Change
+180
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#797
5K → 10K664+62#797#735
10K → 15K336+27#735#708
15K → 20K177+10#708#698
20K → Half90+9#698#689
Half → 25K197+12#689#677
25K → 30K404+36#677#641
30K → 35K3828+10#641#631
35K → 25.2M2714+13#631#618
25.2M → Finish43+1#618#617
TOTALS25373+180
📊

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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