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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Joseph Willis

Bib: 2827 •M •Age: 34

Powhatan, 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
34:27
3.11 mi
Rank: #1568
Start → 5K
34:27 | 11:06/mi
10K
1:07:41
6.21 mi
Rank: #1472 (+96)
5K → 10K
33:14 | 10:42/mi
15K
1:42:02
9.32 mi
Rank: #1465 (+7)
10K → 15K
34:21 | 11:04/mi
20K
2:20:05
12.43 mi
Rank: #1563 (-98)
15K → 20K
38:03 | 12:15/mi
Half
2:28:46
13.10 mi
Rank: #1566 (-3)
20K → Half
8:41 | 12:57/mi
25K
2:57:15
15.53 mi
Rank: #1538 (+28)
Half → 25K
28:29 | 11:42/mi
30K
3:27:55
18.64 mi
Rank: #1480 (+58)
25K → 30K
30:40 | 9:53/mi
35K
4:15:57
21.75 mi
Rank: #1508 (-28)
30K → 35K
48:02 | 15:28/mi
25.2M
5:00:05
25.20 mi
Rank: #1495 (+13)
35K → 25.2M
44:08 | 12:48/mi
Finish
5:09:46
26.22 mi
Rank: #1480 (+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
Time2:28:46
Pace11:22 /mi
2nd Half
Distance13.12 mi
Time2:41:00
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 mi10:13:102:28:4611:228:41
12:57
+0:42
25K
15.53 mi10:41:392:57:1511:2528:29
11:42
-1:15
30K
18.64 mi11:12:193:27:5511:1030:40
9:53
-1:49
35K
21.75 mi12:00:214:15:5711:4748:02
15:28
+5:35
25.2M
25.20 mi12:44:295:00:0511:5544:08
12:48
-2:40
Finish
26.22 mi12:54:105:09:4611:509:41
9:31
-3:17

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

15:28 /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

1:13:35

24% of race

Time at Steady Pace

2:15:20

44% of race

Time at Slower Pace

1:40:51

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
#1568
10K
6.21 mi08:52:051:07:4110:5433:14
10:42
#1472
15K
9.32 mi09:26:261:42:0210:5734:21
11:04
#1465
20K
12.43 mi10:04:292:20:0511:1738:03
12:15
#1563
Half
13.10 mi10:13:102:28:4611:228:41
12:57
#1566
25K
15.53 mi10:41:392:57:1511:2528:29
11:42
#1538
30K
18.64 mi11:12:193:27:5511:1030:40
9:53
#1480
35K
21.75 mi12:00:214:15:5711:4748:02
15:28
#1508
25.2M
25.20 mi12:44:295:00:0511:5544:08
12:48
#1495
Finish
26.22 mi12:54:105:09:4611:509:41
9:31
#1480
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 mi15689891631503(Top 77%)967(Top 84%)163(Top 88%)
10K6.21 mi3.10 mi1472+96950+39160+31412(Top 72%)917(Top 80%)154(Top 83%)
15K9.32 mi3.11 mi1465+7942+8159+11503(Top 77%)967(Top 84%)163(Top 88%)
20K12.43 mi3.11 mi1563-98995-53166-71702(Top 87%)1047(Top 91%)172(Top 93%)
Half13.10 mi0.67 mi1566-3994+1163+31676(Top 86%)1036(Top 90%)170(Top 92%)
25K15.53 mi2.43 mi1538+28981+13166-31425(Top 73%)904(Top 78%)149(Top 81%)
30K18.64 mi3.11 mi1480+58942+39157+91201(Top 62%)771(Top 67%)127(Top 69%)
35K21.75 mi3.11 mi1508-28950-81571561(Top 80%)939(Top 81%)152(Top 82%)
25.2M25.20 mi3.45 mi1495+13938+12156+11360(Top 70%)819(Top 71%)133(Top 72%)
Finish26.22 mi1.02 mi1480+15931+7155+1779(Top 40%)499(Top 43%)87(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×1
+26ft-31ft

Overall

1503

Males

967

M30-34

163

5K→10K

3.1 - 6.2 mi

Top 72%
×2
+38ft-17ft

Overall

1412

Males

917

M30-34

154

10K→15K

6.2 - 9.3 mi

Top 77%
×2
+26ft-44ft

Overall

1503

Males

967

M30-34

163

15K→20K

9.3 - 12.4 mi

Top 87%
×1
+35ft-22ft

Overall

1702

Males

1047

M30-34

172

20K→Half

12.4 - 13.1 mi

Top 86%
×1
+7ft-13ft

Overall

1676

Males

1036

M30-34

170

Half→25K

13.1 - 15.5 mi

Top 73%
×2
+48ft-19ft

Overall

1425

Males

904

M30-34

149

25K→30K

15.5 - 18.6 mi

Top 62%
×2
+38ft-52ft

Overall

1201

Males

771

M30-34

127

30K→35K

18.6 - 21.8 mi

Top 80%
×2
+39ft-39ft

Overall

1561

Males

939

M30-34

152

35K→25.2M

21.8 - 25.2 mi

Top 70%
×3
+57ft-58ft

Overall

1360

Males

819

M30-34

133

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×1
+17ft-12ft

Overall

779

Males

499

M30-34

87

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
299
Passed By
211
Net Change
+88
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1568
5K → 10K10913+96#1568#1472
10K → 15K2013+7#1472#1465
15K → 20K3101-98#1465#1563
20K → Half1013-3#1563#1566
Half → 25K4315+28#1566#1538
25K → 30K613+58#1538#1480
30K → 35K1644-28#1480#1508
35K → 25.2M229+13#1508#1495
25.2M → Finish150+15#1495#1480
TOTALS299211+88
📊

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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