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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Drew Smith

Bib: 436 •M •Age: 38

Suffolk, 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
30:56
3.11 mi
Rank: #1183
Start → 5K
30:56 | 9:58/mi
10K
1:02:30
6.21 mi
Rank: #1184 (-1)
5K → 10K
31:34 | 10:10/mi
15K
1:34:27
9.32 mi
Rank: #1201 (-17)
10K → 15K
31:57 | 10:18/mi
20K
2:06:46
12.43 mi
Rank: #1214 (-13)
15K → 20K
32:19 | 10:25/mi
Half
2:14:15
13.10 mi
Rank: #1212 (+2)
20K → Half
7:29 | 11:10/mi
25K
2:41:52
15.53 mi
Rank: #1243 (-31)
Half → 25K
27:37 | 11:21/mi
30K
3:14:59
18.64 mi
Rank: #1273 (-30)
25K → 30K
33:07 | 10:40/mi
35K
4:00:23
21.75 mi
Rank: #1309 (-36)
30K → 35K
45:24 | 14:37/mi
25.2M
4:47:44
25.20 mi
Rank: #1384 (-75)
35K → 25.2M
47:21 | 13:44/mi
Finish
4:58:55
26.22 mi
Rank: #1381 (+3)
25.2M → Finish
11:11 | 10:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:14:15
Pace10:15 /mi
2nd Half
Distance13.12 mi
Time2:44:40
Pace12:34 /mi
📊Positive Split: 22.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:11:2430:569:5830:56
9:58
-
10K
6.21 mi08:42:581:02:3010:0431:34
10:10
+0:12
15K
9.32 mi09:14:551:34:2710:0931:57
10:18
+0:08
20K
12.43 mi09:47:142:06:4610:1332:19
10:25
+0:07
Half
13.10 mi09:54:432:14:1510:157:29
11:10
+0:45
25K
15.53 mi10:22:202:41:5210:2627:37
11:21
+0:11
30K
18.64 mi10:55:273:14:5910:2833:07
10:40
-0:41
35K
21.75 mi11:40:514:00:2311:0445:24
14:37
+3:57
25.2M
25.20 mi12:28:124:47:4411:2647:21
13:44
-0:53
Finish
26.22 mi12:39:234:58:5511:2511:11
10:59
-2:45

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

9:58 /mi

Average Pace

11:25 /mi

Slowest Pace

14:37 /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

1:02:30

21% of race

Time at Steady Pace

2:23:40

48% of race

Time at Slower Pace

1:32:45

31% of race

Average Pace: 11:24 /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 mi08:11:2430:569:5830:56
9:58
#1183
10K
6.21 mi08:42:581:02:3010:0431:34
10:10
#1184
15K
9.32 mi09:14:551:34:2710:0931:57
10:18
#1201
20K
12.43 mi09:47:142:06:4610:1332:19
10:25
#1214
Half
13.10 mi09:54:432:14:1510:157:29
11:10
#1212
25K
15.53 mi10:22:202:41:5210:2627:37
11:21
#1243
30K
18.64 mi10:55:273:14:5910:2833:07
10:40
#1273
35K
21.75 mi11:40:514:00:2311:0445:24
14:37
#1309
25.2M
25.20 mi12:28:124:47:4411:2647:21
13:44
#1384
Finish
26.22 mi12:39:234:58:5511:2511:11
10:59
#1381
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 mi11837971281240(Top 64%)832(Top 72%)132(Top 74%)
10K6.21 mi3.10 mi1184-1801-4126+21206(Top 62%)816(Top 71%)131(Top 74%)
15K9.32 mi3.11 mi1201-17809-8130-41240(Top 64%)832(Top 72%)132(Top 74%)
20K12.43 mi3.11 mi1214-13817-8131-11275(Top 65%)842(Top 73%)134(Top 75%)
Half13.10 mi0.67 mi1212+2816+11311252(Top 64%)824(Top 71%)132(Top 74%)
25K15.53 mi2.43 mi1243-31830-14132-11336(Top 69%)859(Top 75%)138(Top 78%)
30K18.64 mi3.11 mi1273-30837-71321420(Top 73%)881(Top 76%)141(Top 79%)
35K21.75 mi3.11 mi1309-36842-5137-51442(Top 74%)876(Top 76%)136(Top 76%)
25.2M25.20 mi3.45 mi1384-75873-31139-21565(Top 80%)937(Top 81%)147(Top 83%)
Finish26.22 mi1.02 mi1381+3872+1140-11282(Top 66%)786(Top 68%)124(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×1
+26ft-31ft

Overall

1240

Males

832

M35-39

132

5K→10K

3.1 - 6.2 mi

Top 62%
×2
+38ft-17ft

Overall

1206

Males

816

M35-39

131

10K→15K

6.2 - 9.3 mi

Top 64%
×2
+26ft-44ft

Overall

1240

Males

832

M35-39

132

15K→20K

9.3 - 12.4 mi

Top 65%
×1
+35ft-22ft

Overall

1275

Males

842

M35-39

134

20K→Half

12.4 - 13.1 mi

Top 64%
×1
+7ft-13ft

Overall

1252

Males

824

M35-39

132

Half→25K

13.1 - 15.5 mi

Top 69%
×2
+48ft-19ft

Overall

1336

Males

859

M35-39

138

25K→30K

15.5 - 18.6 mi

Top 73%
×2
+38ft-52ft

Overall

1420

Males

881

M35-39

141

30K→35K

18.6 - 21.8 mi

Top 74%
×2
+39ft-39ft

Overall

1442

Males

876

M35-39

136

35K→25.2M

21.8 - 25.2 mi

Top 80%
×3
+57ft-58ft

Overall

1565

Males

937

M35-39

147

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×1
+17ft-12ft

Overall

1282

Males

786

M35-39

124

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
112
Passed By
310
Net Change
-198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1183
5K → 10K2728-1#1183#1184
10K → 15K1128-17#1184#1201
15K → 20K1124-13#1201#1214
20K → Half119+2#1214#1212
Half → 25K1445-31#1212#1243
25K → 30K1141-30#1243#1273
30K → 35K1652-36#1273#1309
35K → 25.2M479-75#1309#1384
25.2M → Finish74+3#1384#1381
TOTALS112310-198
📊

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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