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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Jon Zigrang

Bib: 730 •M •Age: 27

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M25-29)
#0 / 240
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
24:56
3.11 mi
Rank: #373
Start → 5K
24:56 | 8:02/mi
10K
49:51
6.21 mi
Rank: #357 (+16)
5K → 10K
24:55 | 8:02/mi
15K
1:15:41
9.32 mi
Rank: #388 (-31)
10K → 15K
25:50 | 8:19/mi
20K
1:43:20
12.43 mi
Rank: #447 (-59)
15K → 20K
27:39 | 8:54/mi
Half
1:49:51
13.10 mi
Rank: #454 (-7)
20K → Half
6:31 | 9:43/mi
25K
2:13:27
15.53 mi
Rank: #505 (-51)
Half → 25K
23:36 | 9:42/mi
30K
2:44:49
18.64 mi
Rank: #689 (-184)
25K → 30K
31:22 | 10:06/mi
35K
3:37:13
21.75 mi
Rank: #971 (-282)
30K → 35K
52:24 | 16:52/mi
25.2M
4:32:19
25.20 mi
Rank: #1173 (-202)
35K → 25.2M
55:06 | 15:58/mi
Finish
4:41:22
26.22 mi
Rank: #1152 (+21)
25.2M → Finish
9:03 | 8:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:49:51
Pace8:24 /mi
2nd Half
Distance13.12 mi
Time2:51:31
Pace13:05 /mi
📊Positive Split: 56.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:59:0624:568:0224:56
8:02
-
10K
6.21 mi08:24:0149:518:0224:55
8:02
0:00
15K
9.32 mi08:49:511:15:418:0825:50
8:19
+0:17
20K
12.43 mi09:17:301:43:208:1927:39
8:54
+0:35
Half
13.10 mi09:24:011:49:518:246:31
9:43
+0:49
25K
15.53 mi09:47:372:13:278:3623:36
9:42
-0:01
30K
18.64 mi10:18:592:44:498:5131:22
10:06
+0:24
35K
21.75 mi11:11:233:37:1310:0052:24
16:52
+6:46
25.2M
25.20 mi12:06:294:32:1910:4955:06
15:58
-0:54
Finish
26.22 mi12:15:324:41:2210:459:03
8:53
-7:05

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

8:02 /mi

Average Pace

10:44 /mi

Slowest Pace

16:52 /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

49:51

18% of race

Time at Steady Pace

2:04:01

44% of race

Time at Slower Pace

1:47:30

38% of race

Average Pace: 10:44 /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 mi07:59:0624:568:0224:56
8:02
#373
10K
6.21 mi08:24:0149:518:0224:55
8:02
#357
15K
9.32 mi08:49:511:15:418:0825:50
8:19
#388
20K
12.43 mi09:17:301:43:208:1927:39
8:54
#447
Half
13.10 mi09:24:011:49:518:246:31
9:43
#454
25K
15.53 mi09:47:372:13:278:3623:36
9:42
#505
30K
18.64 mi10:18:592:44:498:5131:22
10:06
#689
35K
21.75 mi11:11:233:37:1310:0052:24
16:52
#971
25.2M
25.20 mi12:06:294:32:1910:4955:06
15:58
#1173
Finish
26.22 mi12:15:324:41:2210:459:03
8:53
#1152
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi37328456444(Top 23%)342(Top 30%)74(Top 31%)
10K6.21 mi3.10 mi357+16278+658-2339(Top 17%)264(Top 23%)57(Top 24%)
15K9.32 mi3.11 mi388-31300-2262-4444(Top 23%)342(Top 30%)74(Top 31%)
20K12.43 mi3.11 mi447-59347-4775-13729(Top 37%)531(Top 46%)112(Top 47%)
Half13.10 mi0.67 mi454-7349-275787(Top 40%)565(Top 49%)117(Top 49%)
25K15.53 mi2.43 mi505-51381-3282-7830(Top 43%)591(Top 51%)126(Top 53%)
30K18.64 mi3.11 mi689-184498-117107-251283(Top 66%)811(Top 70%)167(Top 70%)
35K21.75 mi3.11 mi971-282659-161140-331739(Top 89%)1037(Top 90%)220(Top 92%)
25.2M25.20 mi3.45 mi1173-202769-110159-191820(Top 93%)1079(Top 94%)222(Top 93%)
Finish26.22 mi1.02 mi1152+21752+17155+4546(Top 28%)360(Top 31%)86(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×1
+26ft-31ft

Overall

444

Males

342

M25-29

74

5K→10K

3.1 - 6.2 mi

Top 17%
×2
+38ft-17ft

Overall

339

Males

264

M25-29

57

10K→15K

6.2 - 9.3 mi

Top 23%
×2
+26ft-44ft

Overall

444

Males

342

M25-29

74

15K→20K

9.3 - 12.4 mi

Top 37%
×1
+35ft-22ft

Overall

729

Males

531

M25-29

112

20K→Half

12.4 - 13.1 mi

Top 40%
×1
+7ft-13ft

Overall

787

Males

565

M25-29

117

Half→25K

13.1 - 15.5 mi

Top 43%
×2
+48ft-19ft

Overall

830

Males

591

M25-29

126

25K→30K

15.5 - 18.6 mi

Top 66%
×2
+38ft-52ft

Overall

1283

Males

811

M25-29

167

30K→35K

18.6 - 21.8 mi

Top 89%
×2
+39ft-39ft

Overall

1739

Males

1037

M25-29

220

35K→25.2M

21.8 - 25.2 mi

Top 93%
×3
+57ft-58ft

Overall

1820

Males

1079

M25-29

222

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×1
+17ft-12ft

Overall

546

Males

360

M25-29

86

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
58
Passed By
752
Net Change
-779
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#373
5K → 10K226+16#373#357
10K → 15K435-31#357#388
15K → 20K059-59#388#447
20K → Half512-7#447#454
Half → 25K455-51#454#505
25K → 30K0184-184#505#689
30K → 35K1200-282#689#971
35K → 25.2M0200-202#971#1173
25.2M → Finish221+21#1173#1152
TOTALS58752-779
📊

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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