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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Casey Lyons

Bib: 2461 •F •Age: 28

Chesapeake, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Top 46%
Age Group (F25-29)
Official
#0 / 180
Calculated (F25-29)
#0 / 180
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
29:56
3.11 mi
Rank: #1049
Start → 5K
29:56 | 9:39/mi
10K
1:01:49
6.21 mi
Rank: #1146 (-97)
5K → 10K
31:53 | 10:16/mi
15K
1:32:53
9.32 mi
Rank: #1142 (+4)
10K → 15K
31:04 | 10:00/mi
20K
2:03:19
12.43 mi
Rank: #1122 (+20)
15K → 20K
30:26 | 9:48/mi
Half
2:10:23
13.10 mi
Rank: #1109 (+13)
20K → Half
7:04 | 10:32/mi
25K
2:35:14
15.53 mi
Rank: #1094 (+15)
Half → 25K
24:51 | 10:13/mi
30K
3:04:16
18.64 mi
Rank: #1082 (+12)
25K → 30K
29:02 | 9:21/mi
35K
3:45:31
21.75 mi
Rank: #1107 (-25)
30K → 35K
41:15 | 13:17/mi
25.2M
4:23:58
25.20 mi
Rank: #1082 (+25)
35K → 25.2M
38:27 | 11:09/mi
Finish
4:34:14
26.22 mi
Rank: #1077 (+5)
25.2M → Finish
10:16 | 10:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:10:23
Pace9:58 /mi
2nd Half
Distance13.12 mi
Time2:23:51
Pace10:58 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:14:3329:569:3929:56
9:39
-
10K
6.21 mi08:46:261:01:499:5731:53
10:16
+0:37
15K
9.32 mi09:17:301:32:539:5831:04
10:00
-0:16
20K
12.43 mi09:47:562:03:199:5630:26
9:48
-0:12
Half
13.10 mi09:55:002:10:239:587:04
10:32
+0:44
25K
15.53 mi10:19:512:35:1410:0024:51
10:13
-0:19
30K
18.64 mi10:48:533:04:169:5429:02
9:21
-0:52
35K
21.75 mi11:30:083:45:3110:2341:15
13:17
+3:56
25.2M
25.20 mi12:08:354:23:5810:2938:27
11:09
-2:08
Finish
26.22 mi12:18:514:34:1410:2910:16
10:05
-1:04

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

9:21 /mi

Average Pace

10:28 /mi

Slowest Pace

13:17 /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

58:58

22% of race

Time at Steady Pace

2:15:34

49% of race

Time at Slower Pace

1:19:42

29% of race

Average Pace: 10:28 /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 mi08:14:3329:569:3929:56
9:39
#1049
10K
6.21 mi08:46:261:01:499:5731:53
10:16
#1146
15K
9.32 mi09:17:301:32:539:5831:04
10:00
#1142
20K
12.43 mi09:47:562:03:199:5630:26
9:48
#1122
Half
13.10 mi09:55:002:10:239:587:04
10:32
#1109
25K
15.53 mi10:19:512:35:1410:0024:51
10:13
#1094
30K
18.64 mi10:48:533:04:169:5429:02
9:21
#1082
35K
21.75 mi11:30:083:45:3110:2341:15
13:17
#1107
25.2M
25.20 mi12:08:354:23:5810:2938:27
11:09
#1082
Finish
26.22 mi12:18:514:34:1410:2910:16
10:05
#1077
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 mi1049329861148(Top 59%)370(Top 47%)97(Top 54%)
10K6.21 mi3.10 mi1146-97365-3693-71250(Top 64%)410(Top 52%)105(Top 58%)
15K9.32 mi3.11 mi1142+4361+4931148(Top 59%)370(Top 47%)97(Top 54%)
20K12.43 mi3.11 mi1122+20358+392+11070(Top 55%)335(Top 42%)87(Top 48%)
Half13.10 mi0.67 mi1109+13356+2921047(Top 54%)330(Top 42%)86(Top 48%)
25K15.53 mi2.43 mi1094+15350+691+1989(Top 51%)306(Top 39%)85(Top 47%)
30K18.64 mi3.11 mi1082+12349+192-11051(Top 54%)355(Top 45%)95(Top 53%)
35K21.75 mi3.11 mi1107-25367-1895-31221(Top 63%)459(Top 58%)115(Top 64%)
25.2M25.20 mi3.45 mi1082+25368-196-1950(Top 49%)363(Top 46%)97(Top 54%)
Finish26.22 mi1.02 mi1077+5367+197-1979(Top 50%)369(Top 47%)98(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×1
+26ft-31ft

Overall

1148

Females

370

F25-29

97

5K→10K

3.1 - 6.2 mi

Top 64%
×2
+38ft-17ft

Overall

1250

Females

410

F25-29

105

10K→15K

6.2 - 9.3 mi

Top 59%
×2
+26ft-44ft

Overall

1148

Females

370

F25-29

97

15K→20K

9.3 - 12.4 mi

Top 55%
×1
+35ft-22ft

Overall

1070

Females

335

F25-29

87

20K→Half

12.4 - 13.1 mi

Top 54%
×1
+7ft-13ft

Overall

1047

Females

330

F25-29

86

Half→25K

13.1 - 15.5 mi

Top 51%
×2
+48ft-19ft

Overall

989

Females

306

F25-29

85

25K→30K

15.5 - 18.6 mi

Top 54%
×2
+38ft-52ft

Overall

1051

Females

355

F25-29

95

30K→35K

18.6 - 21.8 mi

Top 63%
×2
+39ft-39ft

Overall

1221

Females

459

F25-29

115

35K→25.2M

21.8 - 25.2 mi

Top 49%
×3
+57ft-58ft

Overall

950

Females

363

F25-29

97

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×1
+17ft-12ft

Overall

979

Females

369

F25-29

98

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
173
Passed By
201
Net Change
-28
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1049
5K → 10K299-97#1049#1146
10K → 15K2117+4#1146#1142
15K → 20K222+20#1142#1122
20K → Half130+13#1122#1109
Half → 25K2510+15#1109#1094
25K → 30K2311+12#1094#1082
30K → 35K2146-25#1082#1107
35K → 25.2M4015+25#1107#1082
25.2M → Finish61+5#1082#1077
TOTALS173201-28
📊

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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