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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Sharon Eldor Gerling

Bib: 1274 •F •Age: 57

Chevy Chase, MD

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Top 35%
Gender (Female)
#0 / 791
Top 26%
Masters (Masters Women)
#0 / 277
Top 17%
Age Group (F55-59)
#0 / 27
Top 19%
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
28:42
3.11 mi
Rank: #905
Start → 5K
28:42 | 9:15/mi
10K
57:09
6.21 mi
Rank: #887 (+18)
5K → 10K
28:27 | 9:10/mi
15K
1:25:53
9.32 mi
Rank: #888 (-1)
10K → 15K
28:44 | 9:15/mi
20K
1:53:57
12.43 mi
Rank: #847 (+41)
15K → 20K
28:04 | 9:03/mi
Half
2:00:34
13.10 mi
Rank: #840 (+7)
20K → Half
6:37 | 9:52/mi
25K
2:23:01
15.53 mi
Rank: #804 (+36)
Half → 25K
22:27 | 9:14/mi
30K
2:48:28
18.64 mi
Rank: #777 (+27)
25K → 30K
25:27 | 8:12/mi
35K
3:21:20
21.75 mi
Rank: #708 (+69)
30K → 35K
32:52 | 10:35/mi
25.2M
3:56:50
25.20 mi
Rank: #687 (+21)
35K → 25.2M
35:30 | 10:18/mi
Finish
4:06:30
26.22 mi
Rank: #685 (+2)
25.2M → Finish
9:40 | 9:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:00:34
Pace9:13 /mi
2nd Half
Distance13.12 mi
Time2:05:56
Pace9:36 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:06:5628:429:1528:42
9:15
-
10K
6.21 mi08:35:2357:099:1228:27
9:10
-0:05
15K
9.32 mi09:04:071:25:539:1328:44
9:15
+0:05
20K
12.43 mi09:32:111:53:579:1128:04
9:03
-0:12
Half
13.10 mi09:38:482:00:349:136:37
9:52
+0:49
25K
15.53 mi10:01:152:23:019:1322:27
9:14
-0:38
30K
18.64 mi10:26:422:48:289:0325:27
8:12
-1:02
35K
21.75 mi10:59:343:21:209:1632:52
10:35
+2:23
25.2M
25.20 mi11:35:043:56:509:2435:30
10:18
-0:17
Finish
26.22 mi11:44:444:06:309:259:40
9:30
-0:48

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. Green = fastest, yellow = moderate, red = slowest segments.

Fastest Pace

8:12 /mi

Average Pace

9:25 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Color indicates pace quality: green = fast pace, yellow = moderate, red = slow pace.

Time at Fast Pace

25:27

10% of race

Time at Moderate Pace

2:26:04

59% of race

Time at Slow Pace

1:14:59

30% of race

Average Pace: 9:24 /mi

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Fast pace (< avg)
Moderate pace (≈ avg)
Slow pace (> avg)

🎨Heatmap

Pace Heatmap

Visual intensity map of your pacing throughout the race. Green = fastest, yellow = moderate, red = slowest.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Fast
Moderate
Slow

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 mi08:06:5628:429:1528:42
9:15
#905
10K
6.21 mi08:35:2357:099:1228:27
9:10
#887
15K
9.32 mi09:04:071:25:539:1328:44
9:15
#888
20K
12.43 mi09:32:111:53:579:1128:04
9:03
#847
Half
13.10 mi09:38:482:00:349:136:37
9:52
#840
25K
15.53 mi10:01:152:23:019:1322:27
9:14
#804
30K
18.64 mi10:26:422:48:289:0325:27
8:12
#777
35K
21.75 mi10:59:343:21:209:1632:52
10:35
#708
25.2M
25.20 mi11:35:043:56:509:2435:30
10:18
#687
Finish
26.22 mi11:44:444:06:309:259:40
9:30
#685
Fast pace
Moderate pace
Slow pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi9052617890(Top 46%)254(Top 32%)6(Top 22%)
10K6.21 mi3.10 mi887+18254+77861(Top 44%)252(Top 32%)6(Top 22%)
15K9.32 mi3.11 mi888-1259-56+1890(Top 46%)254(Top 32%)6(Top 22%)
20K12.43 mi3.11 mi847+41244+155+1788(Top 40%)221(Top 28%)5(Top 19%)
Half13.10 mi0.67 mi840+7241+35831(Top 43%)237(Top 30%)5(Top 19%)
25K15.53 mi2.43 mi804+36227+145668(Top 34%)188(Top 24%)4(Top 15%)
30K18.64 mi3.11 mi777+27220+75655(Top 34%)188(Top 24%)4(Top 15%)
35K21.75 mi3.11 mi708+69204+165570(Top 29%)173(Top 22%)4(Top 15%)
25.2M25.20 mi3.45 mi687+21208-44+1705(Top 36%)251(Top 32%)6(Top 22%)
Finish26.22 mi1.02 mi685+2207+15-1761(Top 39%)274(Top 35%)5(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×1
+26ft-31ft

Overall

890

Females

254

F55-59

6

5K→10K

3.1 - 6.2 mi

Top 44%
×2
+38ft-17ft

Overall

861

Females

252

F55-59

6

10K→15K

6.2 - 9.3 mi

Top 46%
×2
+26ft-44ft

Overall

890

Females

254

F55-59

6

15K→20K

9.3 - 12.4 mi

Top 40%
×1
+35ft-22ft

Overall

788

Females

221

F55-59

5

20K→Half

12.4 - 13.1 mi

Top 43%
×1
+7ft-13ft

Overall

831

Females

237

F55-59

5

Half→25K

13.1 - 15.5 mi

Top 34%
×2
+48ft-19ft

Overall

668

Females

188

F55-59

4

25K→30K

15.5 - 18.6 mi

Top 34%
×2
+38ft-52ft

Overall

655

Females

188

F55-59

4

30K→35K

18.6 - 21.8 mi

Top 29%
×2
+39ft-39ft

Overall

570

Females

173

F55-59

4

35K→25.2M

21.8 - 25.2 mi

Top 36%
×3
+57ft-58ft

Overall

705

Females

251

F55-59

6

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×1
+17ft-12ft

Overall

761

Females

274

F55-59

5

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
294
Passed By
74
Net Change
+220
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#905
5K → 10K3517+18#905#887
10K → 15K1617-1#887#888
15K → 20K443+41#888#847
20K → Half103+7#847#840
Half → 25K404+36#840#804
25K → 30K347+27#804#777
30K → 35K734+69#777#708
35K → 25.2M3514+21#708#687
25.2M → Finish75+2#687#685
TOTALS29474+220
📊

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

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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