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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Michael Morrison

Bib: 3338 •M •Age: 39

Midlothian, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M35-39)
Official
#0 / 178
Calculated (M35-39)
#0 / 178
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
34:27
3.11 mi
Rank: #1566
Start → 5K
34:27 | 11:06/mi
10K
1:07:41
6.21 mi
Rank: #1471 (+95)
5K → 10K
33:14 | 10:42/mi
15K
1:42:02
9.32 mi
Rank: #1464 (+7)
10K → 15K
34:21 | 11:04/mi
20K
2:20:05
12.43 mi
Rank: #1560 (-96)
15K → 20K
38:03 | 12:15/mi
Half
2:28:45
13.10 mi
Rank: #1565 (-5)
20K → Half
8:40 | 12:55/mi
25K
2:57:14
15.53 mi
Rank: #1537 (+28)
Half → 25K
28:29 | 11:42/mi
30K
3:27:55
18.64 mi
Rank: #1479 (+58)
25K → 30K
30:41 | 9:53/mi
35K
4:15:54
21.75 mi
Rank: #1507 (-28)
30K → 35K
47:59 | 15:27/mi
25.2M
5:00:05
25.20 mi
Rank: #1494 (+13)
35K → 25.2M
44:11 | 12:49/mi
Finish
5:09:46
26.22 mi
Rank: #1479 (+15)
25.2M → Finish
9:41 | 9:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:28:45
Pace11:22 /mi
2nd Half
Distance13.12 mi
Time2:41:01
Pace12:17 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:18:5134:2711:0634:27
11:06
-
10K
6.21 mi08:52:051:07:4110:5433:14
10:42
-0:24
15K
9.32 mi09:26:261:42:0210:5734:21
11:04
+0:22
20K
12.43 mi10:04:292:20:0511:1738:03
12:15
+1:11
Half
13.10 mi10:13:092:28:4511:228:40
12:55
+0:40
25K
15.53 mi10:41:382:57:1411:2528:29
11:42
-1:13
30K
18.64 mi11:12:193:27:5511:1030:41
9:53
-1:49
35K
21.75 mi12:00:184:15:5411:4647:59
15:27
+5:34
25.2M
25.20 mi12:44:295:00:0511:5544:11
12:49
-2:38
Finish
26.22 mi12:54:105:09:4611:509:41
9:31
-3:18

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

9:31 /mi

Average Pace

11:49 /mi

Slowest Pace

15:27 /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

1:13:36

24% of race

Time at Steady Pace

2:15:20

44% of race

Time at Slower Pace

1:40:50

33% of race

Average Pace: 11:49 /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 mi08:18:5134:2711:0634:27
11:06
#1566
10K
6.21 mi08:52:051:07:4110:5433:14
10:42
#1471
15K
9.32 mi09:26:261:42:0210:5734:21
11:04
#1464
20K
12.43 mi10:04:292:20:0511:1738:03
12:15
#1560
Half
13.10 mi10:13:092:28:4511:228:40
12:55
#1565
25K
15.53 mi10:41:382:57:1411:2528:29
11:42
#1537
30K
18.64 mi11:12:193:27:5511:1030:41
9:53
#1479
35K
21.75 mi12:00:184:15:5411:4647:59
15:27
#1507
25.2M
25.20 mi12:44:295:00:0511:5544:11
12:49
#1494
Finish
26.22 mi12:54:105:09:4611:509:41
9:31
#1479
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi15669871571499(Top 77%)964(Top 84%)155(Top 87%)
10K6.21 mi3.10 mi1471+95949+38153+41410(Top 72%)916(Top 79%)146(Top 82%)
15K9.32 mi3.11 mi1464+7941+81531499(Top 77%)964(Top 84%)155(Top 87%)
20K12.43 mi3.11 mi1560-96994-53160-71701(Top 87%)1046(Top 91%)167(Top 94%)
Half13.10 mi0.67 mi1565-5993+1159+11666(Top 85%)1030(Top 89%)161(Top 90%)
25K15.53 mi2.43 mi1537+28980+13156+31424(Top 73%)903(Top 78%)144(Top 81%)
30K18.64 mi3.11 mi1479+58941+39152+41202(Top 62%)772(Top 67%)126(Top 71%)
35K21.75 mi3.11 mi1507-28949-8151+11559(Top 80%)938(Top 81%)148(Top 83%)
25.2M25.20 mi3.45 mi1494+13937+12148+31364(Top 70%)822(Top 71%)122(Top 69%)
Finish26.22 mi1.02 mi1479+15930+7146+2773(Top 40%)496(Top 43%)69(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×1
+26ft-31ft

Overall

1499

Males

964

M35-39

155

5K→10K

3.1 - 6.2 mi

Top 72%
×2
+38ft-17ft

Overall

1410

Males

916

M35-39

146

10K→15K

6.2 - 9.3 mi

Top 77%
×2
+26ft-44ft

Overall

1499

Males

964

M35-39

155

15K→20K

9.3 - 12.4 mi

Top 87%
×1
+35ft-22ft

Overall

1701

Males

1046

M35-39

167

20K→Half

12.4 - 13.1 mi

Top 85%
×1
+7ft-13ft

Overall

1666

Males

1030

M35-39

161

Half→25K

13.1 - 15.5 mi

Top 73%
×2
+48ft-19ft

Overall

1424

Males

903

M35-39

144

25K→30K

15.5 - 18.6 mi

Top 62%
×2
+38ft-52ft

Overall

1202

Males

772

M35-39

126

30K→35K

18.6 - 21.8 mi

Top 80%
×2
+39ft-39ft

Overall

1559

Males

938

M35-39

148

35K→25.2M

21.8 - 25.2 mi

Top 70%
×3
+57ft-58ft

Overall

1364

Males

822

M35-39

122

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×1
+17ft-12ft

Overall

773

Males

496

M35-39

69

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
298
Passed By
211
Net Change
+87
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1566
5K → 10K10813+95#1566#1471
10K → 15K2013+7#1471#1464
15K → 20K399-96#1464#1560
20K → Half1015-5#1560#1565
Half → 25K4315+28#1565#1537
25K → 30K613+58#1537#1479
30K → 35K1644-28#1479#1507
35K → 25.2M229+13#1507#1494
25.2M → Finish150+15#1494#1479
TOTALS298211+87
📊

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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