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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Matthew Nescio

Bib: 2285 •M •Age: 29

Fredericksbrg, 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
35:02
3.11 mi
Rank: #1638
Start → 5K
35:02 | 11:17/mi
10K
1:10:22
6.21 mi
Rank: #1618 (+20)
5K → 10K
35:20 | 11:23/mi
15K
1:45:48
9.32 mi
Rank: #1615 (+3)
10K → 15K
35:26 | 11:25/mi
20K
2:21:09
12.43 mi
Rank: #1592 (+23)
15K → 20K
35:21 | 11:23/mi
Half
2:29:17
13.10 mi
Rank: #1579 (+13)
20K → Half
8:08 | 12:08/mi
25K
2:58:29
15.53 mi
Rank: #1572 (+7)
Half → 25K
29:12 | 12:00/mi
30K
3:33:40
18.64 mi
Rank: #1562 (+10)
25K → 30K
35:11 | 11:20/mi
35K
4:25:51
21.75 mi
Rank: #1613 (-51)
30K → 35K
52:11 | 16:48/mi
25.2M
5:23:49
25.20 mi
Rank: #1669 (-56)
35K → 25.2M
57:58 | 16:48/mi
Finish
5:37:56
26.22 mi
Rank: #1683 (-14)
25.2M → Finish
14:07 | 13:52/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:29:17
Pace11:24 /mi
2nd Half
Distance13.12 mi
Time3:08:40
Pace14:23 /mi
📊Positive Split: 26.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:19:1935:0211:1735:02
11:17
-
10K
6.21 mi08:54:391:10:2211:2035:20
11:23
+0:06
15K
9.32 mi09:30:051:45:4811:2235:26
11:25
+0:02
20K
12.43 mi10:05:262:21:0911:2235:21
11:23
-0:02
Half
13.10 mi10:13:342:29:1711:248:08
12:08
+0:45
25K
15.53 mi10:42:462:58:2911:3029:12
12:00
-0:08
30K
18.64 mi11:17:573:33:4011:2835:11
11:20
-0:40
35K
21.75 mi12:10:074:25:5112:1452:11
16:48
+5:28
25.2M
25.20 mi13:08:065:23:4912:5257:58
16:48
0:00
Finish
26.22 mi13:22:135:37:5612:5414:07
13:52
-2:56

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

11:17 /mi

Average Pace

12:54 /mi

Slowest Pace

16:48 /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

0:00

0% of race

Time at Steady Pace

3:33:40

63% of race

Time at Slower Pace

2:04:16

37% of race

Average Pace: 12:53 /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 mi08:19:1935:0211:1735:02
11:17
#1638
10K
6.21 mi08:54:391:10:2211:2035:20
11:23
#1618
15K
9.32 mi09:30:051:45:4811:2235:26
11:25
#1615
20K
12.43 mi10:05:262:21:0911:2235:21
11:23
#1592
Half
13.10 mi10:13:342:29:1711:248:08
12:08
#1579
25K
15.53 mi10:42:462:58:2911:3029:12
12:00
#1572
30K
18.64 mi11:17:573:33:4011:2835:11
11:20
#1562
35K
21.75 mi12:10:074:25:5112:1452:11
16:48
#1613
25.2M
25.20 mi13:08:065:23:4912:5257:58
16:48
#1669
Finish
26.22 mi13:22:135:37:5612:5414:07
13:52
#1683
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

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 mi163810242121592(Top 82%)1011(Top 88%)213(Top 89%)
10K6.21 mi3.10 mi1618+201019+52121604(Top 82%)1019(Top 88%)217(Top 90%)
15K9.32 mi3.11 mi1615+31025-6214-21592(Top 82%)1011(Top 88%)213(Top 89%)
20K12.43 mi3.11 mi1592+231009+16210+41536(Top 79%)980(Top 85%)206(Top 86%)
Half13.10 mi0.67 mi1579+131002+72101525(Top 78%)966(Top 84%)201(Top 84%)
25K15.53 mi2.43 mi1572+7999+3209+11486(Top 76%)933(Top 81%)197(Top 82%)
30K18.64 mi3.11 mi1562+10988+11206+31551(Top 80%)954(Top 83%)198(Top 83%)
35K21.75 mi3.11 mi1613-511002-14214-81736(Top 89%)1035(Top 90%)219(Top 91%)
25.2M25.20 mi3.45 mi1669-561028-26216-21883(Top 97%)1116(Top 97%)231(Top 96%)
Finish26.22 mi1.02 mi1683-141036-82161778(Top 91%)1058(Top 92%)221(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×1
+26ft-31ft

Overall

1592

Males

1011

M25-29

213

5K→10K

3.1 - 6.2 mi

Top 82%
×2
+38ft-17ft

Overall

1604

Males

1019

M25-29

217

10K→15K

6.2 - 9.3 mi

Top 82%
×2
+26ft-44ft

Overall

1592

Males

1011

M25-29

213

15K→20K

9.3 - 12.4 mi

Top 79%
×1
+35ft-22ft

Overall

1536

Males

980

M25-29

206

20K→Half

12.4 - 13.1 mi

Top 78%
×1
+7ft-13ft

Overall

1525

Males

966

M25-29

201

Half→25K

13.1 - 15.5 mi

Top 76%
×2
+48ft-19ft

Overall

1486

Males

933

M25-29

197

25K→30K

15.5 - 18.6 mi

Top 80%
×2
+38ft-52ft

Overall

1551

Males

954

M25-29

198

30K→35K

18.6 - 21.8 mi

Top 89%
×2
+39ft-39ft

Overall

1736

Males

1035

M25-29

219

35K→25.2M

21.8 - 25.2 mi

Top 97%
×3
+57ft-58ft

Overall

1883

Males

1116

M25-29

231

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×1
+17ft-12ft

Overall

1778

Males

1058

M25-29

221

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
178
Passed By
223
Net Change
-45
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1638
5K → 10K4323+20#1638#1618
10K → 15K2926+3#1618#1615
15K → 20K263+23#1615#1592
20K → Half163+13#1592#1579
Half → 25K2922+7#1579#1572
25K → 30K2616+10#1572#1562
30K → 35K657-51#1562#1613
35K → 25.2M258-56#1613#1669
25.2M → Finish115-14#1669#1683
TOTALS178223-45
📊

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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