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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Jacob Rieger

Bib: 2554 •M •Age: 30

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M30-34)
#0 / 185
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
30:59
3.11 mi
Rank: #1188
Start → 5K
30:59 | 9:59/mi
10K
1:04:03
6.21 mi
Rank: #1271 (-83)
5K → 10K
33:04 | 10:39/mi
15K
1:36:24
9.32 mi
Rank: #1270 (+1)
10K → 15K
32:21 | 10:25/mi
20K
2:11:11
12.43 mi
Rank: #1348 (-78)
15K → 20K
34:47 | 11:12/mi
Half
2:18:35
13.10 mi
Rank: #1337 (+11)
20K → Half
7:24 | 11:02/mi
25K
2:45:42
15.53 mi
Rank: #1320 (+17)
Half → 25K
27:07 | 11:08/mi
30K
3:20:04
18.64 mi
Rank: #1352 (-32)
25K → 30K
34:22 | 11:04/mi
35K
4:04:59
21.75 mi
Rank: #1370 (-18)
30K → 35K
44:55 | 14:28/mi
25.2M
4:48:34
25.20 mi
Rank: #1392 (-22)
35K → 25.2M
43:35 | 12:38/mi
Finish
4:58:01
26.22 mi
Rank: #1369 (+23)
25.2M → Finish
9:27 | 9:17/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:18:35
Pace10:35 /mi
2nd Half
Distance13.12 mi
Time2:39:26
Pace12:10 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:19:4930:599:5930:59
9:59
-
10K
6.21 mi08:52:531:04:0310:1933:04
10:39
+0:40
15K
9.32 mi09:25:141:36:2410:2132:21
10:25
-0:14
20K
12.43 mi10:00:012:11:1110:3434:47
11:12
+0:47
Half
13.10 mi10:07:252:18:3510:357:24
11:02
-0:10
25K
15.53 mi10:34:322:45:4210:4127:07
11:08
+0:06
30K
18.64 mi11:08:543:20:0410:4434:22
11:04
-0:04
35K
21.75 mi11:53:494:04:5911:1644:55
14:28
+3:24
25.2M
25.20 mi12:37:244:48:3411:2843:35
12:38
-1:50
Finish
26.22 mi12:46:514:58:0111:239:27
9:17
-3:21

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

9:17 /mi

Average Pace

11:22 /mi

Slowest Pace

14:28 /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

40:26

14% of race

Time at Steady Pace

2:49:05

57% of race

Time at Slower Pace

1:28:30

30% of race

Average Pace: 11:22 /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 mi08:19:4930:599:5930:59
9:59
#1188
10K
6.21 mi08:52:531:04:0310:1933:04
10:39
#1271
15K
9.32 mi09:25:141:36:2410:2132:21
10:25
#1270
20K
12.43 mi10:00:012:11:1110:3434:47
11:12
#1348
Half
13.10 mi10:07:252:18:3510:357:24
11:02
#1337
25K
15.53 mi10:34:322:45:4210:4127:07
11:08
#1320
30K
18.64 mi11:08:543:20:0410:4434:22
11:04
#1352
35K
21.75 mi11:53:494:04:5911:1644:55
14:28
#1370
25.2M
25.20 mi12:37:244:48:3411:2843:35
12:38
#1392
Finish
26.22 mi12:46:514:58:0111:239:27
9:17
#1369
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi11887991351315(Top 67%)873(Top 76%)152(Top 82%)
10K6.21 mi3.10 mi1271-83847-48145-101393(Top 71%)910(Top 79%)153(Top 83%)
15K9.32 mi3.11 mi1270+1846+1148-31315(Top 67%)873(Top 76%)152(Top 82%)
20K12.43 mi3.11 mi1348-78882-36151-31489(Top 76%)954(Top 83%)158(Top 85%)
Half13.10 mi0.67 mi1337+11874+8146+51208(Top 62%)805(Top 70%)141(Top 76%)
25K15.53 mi2.43 mi1320+17866+8147-11273(Top 65%)828(Top 72%)143(Top 77%)
30K18.64 mi3.11 mi1352-32875-9149-21508(Top 77%)934(Top 81%)157(Top 85%)
35K21.75 mi3.11 mi1370-18877-2148+11417(Top 73%)866(Top 75%)142(Top 77%)
25.2M25.20 mi3.45 mi1392-22880-31481327(Top 68%)802(Top 70%)130(Top 70%)
Finish26.22 mi1.02 mi1369+23866+14144+4680(Top 35%)433(Top 38%)69(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×1
+26ft-31ft

Overall

1315

Males

873

M30-34

152

5K→10K

3.1 - 6.2 mi

Top 71%
×2
+38ft-17ft

Overall

1393

Males

910

M30-34

153

10K→15K

6.2 - 9.3 mi

Top 67%
×2
+26ft-44ft

Overall

1315

Males

873

M30-34

152

15K→20K

9.3 - 12.4 mi

Top 76%
×1
+35ft-22ft

Overall

1489

Males

954

M30-34

158

20K→Half

12.4 - 13.1 mi

Top 62%
×1
+7ft-13ft

Overall

1208

Males

805

M30-34

141

Half→25K

13.1 - 15.5 mi

Top 65%
×2
+48ft-19ft

Overall

1273

Males

828

M30-34

143

25K→30K

15.5 - 18.6 mi

Top 77%
×2
+38ft-52ft

Overall

1508

Males

934

M30-34

157

30K→35K

18.6 - 21.8 mi

Top 73%
×2
+39ft-39ft

Overall

1417

Males

866

M30-34

142

35K→25.2M

21.8 - 25.2 mi

Top 68%
×3
+57ft-58ft

Overall

1327

Males

802

M30-34

130

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×1
+17ft-12ft

Overall

680

Males

433

M30-34

69

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
140
Passed By
321
Net Change
-181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1188
5K → 10K689-83#1188#1271
10K → 15K2322+1#1271#1270
15K → 20K280-78#1270#1348
20K → Half132+11#1348#1337
Half → 25K3013+17#1337#1320
25K → 30K941-32#1320#1352
30K → 35K2139-18#1352#1370
35K → 25.2M1335-22#1370#1392
25.2M → Finish230+23#1392#1369
TOTALS140321-181
📊

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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