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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Alasdair Stewart

Bib: 385 •M •Age: 32

Norfolk, 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
34:53
3.11 mi
Rank: #1613
Start → 5K
34:53 | 11:14/mi
10K
1:10:07
6.21 mi
Rank: #1596 (+17)
5K → 10K
35:14 | 11:21/mi
15K
1:45:13
9.32 mi
Rank: #1589 (+7)
10K → 15K
35:06 | 11:18/mi
20K
2:20:18
12.43 mi
Rank: #1568 (+21)
15K → 20K
35:05 | 11:18/mi
Half
2:28:32
13.10 mi
Rank: #1557 (+11)
20K → Half
8:14 | 12:17/mi
25K
2:58:31
15.53 mi
Rank: #1574 (-17)
Half → 25K
29:59 | 12:19/mi
30K
3:30:06
18.64 mi
Rank: #1520 (+54)
25K → 30K
31:35 | 10:10/mi
35K
4:09:12
21.75 mi
Rank: #1437 (+83)
30K → 35K
39:06 | 12:36/mi
25.2M
4:47:28
25.20 mi
Rank: #1380 (+57)
35K → 25.2M
38:16 | 11:06/mi
Finish
4:57:26
26.22 mi
Rank: #1357 (+23)
25.2M → Finish
9:58 | 9:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.10 mi
Time2:28:32
Pace11:21 /mi
2nd Half⚖️ Balanced
Distance13.12 mi
Time2:28:55
Pace11:22 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:19:2634:5311:1434:53
11:14
-
10K
6.21 mi08:54:401:10:0711:1835:14
11:21
+0:07
15K
9.32 mi09:29:461:45:1311:1835:06
11:18
-0:03
20K
12.43 mi10:04:512:20:1811:1835:05
11:18
0:00
Half
13.10 mi10:13:052:28:3211:218:14
12:17
+0:59
25K
15.53 mi10:43:042:58:3111:3029:59
12:19
+0:02
30K
18.64 mi11:14:393:30:0611:1731:35
10:10
-2:09
35K
21.75 mi11:53:454:09:1211:2839:06
12:36
+2:26
25.2M
25.20 mi12:32:014:47:2811:2538:16
11:06
-1:30
Finish
26.22 mi12:41:594:57:2611:229:58
9:47
-1:19

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

9:47 /mi

Average Pace

11:21 /mi

Slowest Pace

12:36 /mi

Loading chart...
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

41:33

14% of race

Time at Steady Pace

2:58:34

60% of race

Time at Slower Pace

1:17:19

26% of race

Average Pace: 11:21 /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 mi08:19:2634:5311:1434:53
11:14
#1613
10K
6.21 mi08:54:401:10:0711:1835:14
11:21
#1596
15K
9.32 mi09:29:461:45:1311:1835:06
11:18
#1589
20K
12.43 mi10:04:512:20:1811:1835:05
11:18
#1568
Half
13.10 mi10:13:052:28:3211:218:14
12:17
#1557
25K
15.53 mi10:43:042:58:3111:3029:59
12:19
#1574
30K
18.64 mi11:14:393:30:0611:1731:35
10:10
#1520
35K
21.75 mi11:53:454:09:1211:2839:06
12:36
#1437
25.2M
25.20 mi12:32:014:47:2811:2538:16
11:06
#1380
Finish
26.22 mi12:41:594:57:2611:229:58
9:47
#1357
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 mi161310151691560(Top 80%)995(Top 86%)166(Top 90%)
10K6.21 mi3.10 mi1596+171008+7167+21590(Top 82%)1010(Top 88%)169(Top 91%)
15K9.32 mi3.11 mi1589+71013-5170-31560(Top 80%)995(Top 86%)166(Top 90%)
20K12.43 mi3.11 mi1568+21998+15167+31516(Top 78%)972(Top 84%)159(Top 86%)
Half13.10 mi0.67 mi1557+11988+10162+51562(Top 80%)980(Top 85%)159(Top 86%)
25K15.53 mi2.43 mi1574-171001-13167-51530(Top 79%)956(Top 83%)158(Top 85%)
30K18.64 mi3.11 mi1520+54963+38161+61301(Top 67%)820(Top 71%)134(Top 72%)
35K21.75 mi3.11 mi1437+83910+53153+81070(Top 55%)686(Top 59%)112(Top 61%)
25.2M25.20 mi3.45 mi1380+57872+38146+7930(Top 48%)576(Top 50%)100(Top 54%)
Finish26.22 mi1.02 mi1357+23859+13142+4869(Top 45%)549(Top 48%)94(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×1
+26ft-31ft

Overall

1560

Males

995

M30-34

166

5K→10K

3.1 - 6.2 mi

Top 82%
×2
+38ft-17ft

Overall

1590

Males

1010

M30-34

169

10K→15K

6.2 - 9.3 mi

Top 80%
×2
+26ft-44ft

Overall

1560

Males

995

M30-34

166

15K→20K

9.3 - 12.4 mi

Top 78%
×1
+35ft-22ft

Overall

1516

Males

972

M30-34

159

20K→Half

12.4 - 13.1 mi

Top 80%
×1
+7ft-13ft

Overall

1562

Males

980

M30-34

159

Half→25K

13.1 - 15.5 mi

Top 79%
×2
+48ft-19ft

Overall

1530

Males

956

M30-34

158

25K→30K

15.5 - 18.6 mi

Top 67%
×2
+38ft-52ft

Overall

1301

Males

820

M30-34

134

30K→35K

18.6 - 21.8 mi

Top 55%
×2
+39ft-39ft

Overall

1070

Males

686

M30-34

112

35K→25.2M

21.8 - 25.2 mi

Top 48%
×3
+57ft-58ft

Overall

930

Males

576

M30-34

100

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×1
+17ft-12ft

Overall

869

Males

549

M30-34

94

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
361
Passed By
105
Net Change
+256
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1613
5K → 10K4124+17#1613#1596
10K → 15K3023+7#1596#1589
15K → 20K265+21#1589#1568
20K → Half165+11#1568#1557
Half → 25K2239-17#1557#1574
25K → 30K584+54#1574#1520
30K → 35K852+83#1520#1437
35K → 25.2M570+57#1437#1380
25.2M → Finish263+23#1380#1357
TOTALS361105+256
📊

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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