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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Richard Sherburne

Bib: 403 •M •Age: 38

Norfolk, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 32%
Gender (Male)
#0 / 1153
Top 38%
Age Group (M35-39)
Official
#0 / 178
Calculated (M35-39)
#0 / 178
Top 35%
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
23:58
3.11 mi
Rank: #262
Start → 5K
23:58 | 7:43/mi
10K
48:09
6.21 mi
Rank: #265 (-3)
5K → 10K
24:11 | 7:48/mi
15K
1:13:00
9.32 mi
Rank: #282 (-17)
10K → 15K
24:51 | 8:00/mi
20K
1:38:54
12.43 mi
Rank: #313 (-31)
15K → 20K
25:54 | 8:21/mi
Half
1:44:51
13.10 mi
Rank: #324 (-11)
20K → Half
5:57 | 8:52/mi
25K
2:07:11
15.53 mi
Rank: #371 (-47)
Half → 25K
22:20 | 9:11/mi
30K
2:33:50
18.64 mi
Rank: #418 (-47)
25K → 30K
26:39 | 8:35/mi
35K
3:12:24
21.75 mi
Rank: #539 (-121)
30K → 35K
38:34 | 12:25/mi
25.2M
3:50:01
25.20 mi
Rank: #614 (-75)
35K → 25.2M
37:37 | 10:54/mi
Finish
4:00:18
26.22 mi
Rank: #626 (-12)
25.2M → Finish
10:17 | 10:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:44:51
Pace8:01 /mi
2nd Half
Distance13.12 mi
Time2:15:28
Pace10:20 /mi
📊Positive Split: 29.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:56:1023:587:4323:58
7:43
-
10K
6.21 mi08:20:2148:097:4524:11
7:48
+0:05
15K
9.32 mi08:45:121:13:007:5024:51
8:00
+0:12
20K
12.43 mi09:11:061:38:547:5825:54
8:21
+0:21
Half
13.10 mi09:17:031:44:518:015:57
8:52
+0:31
25K
15.53 mi09:39:232:07:118:1222:20
9:11
+0:19
30K
18.64 mi10:06:022:33:508:1626:39
8:35
-0:36
35K
21.75 mi10:44:363:12:248:5138:34
12:25
+3:50
25.2M
25.20 mi11:22:133:50:019:0837:37
10:54
-1:31
Finish
26.22 mi11:32:304:00:189:1110:17
10:06
-0:48

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

7:43 /mi

Average Pace

9:10 /mi

Slowest Pace

12:25 /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

1:13:00

30% of race

Time at Steady Pace

1:20:50

34% of race

Time at Slower Pace

1:26:28

36% of race

Average Pace: 9:10 /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 mi07:56:1023:587:4323:58
7:43
#262
10K
6.21 mi08:20:2148:097:4524:11
7:48
#265
15K
9.32 mi08:45:121:13:007:5024:51
8:00
#282
20K
12.43 mi09:11:061:38:547:5825:54
8:21
#313
Half
13.10 mi09:17:031:44:518:015:57
8:52
#324
25K
15.53 mi09:39:232:07:118:1222:20
9:11
#371
30K
18.64 mi10:06:022:33:508:1626:39
8:35
#418
35K
21.75 mi10:44:363:12:248:5138:34
12:25
#539
25.2M
25.20 mi11:22:133:50:019:0837:37
10:54
#614
Finish
26.22 mi11:32:304:00:189:1110:17
10:06
#626
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 mi26220536343(Top 18%)265(Top 23%)45(Top 25%)
10K6.21 mi3.10 mi265-3208-335+1273(Top 14%)216(Top 19%)38(Top 21%)
15K9.32 mi3.11 mi282-17220-1239-4343(Top 18%)265(Top 23%)45(Top 25%)
20K12.43 mi3.11 mi313-31241-2142-3449(Top 23%)343(Top 30%)55(Top 31%)
Half13.10 mi0.67 mi324-11251-1044-2425(Top 22%)327(Top 28%)55(Top 31%)
25K15.53 mi2.43 mi371-47287-3650-6650(Top 33%)468(Top 41%)71(Top 40%)
30K18.64 mi3.11 mi418-47322-3554-4782(Top 40%)541(Top 47%)79(Top 44%)
35K21.75 mi3.11 mi539-121389-6762-81020(Top 52%)652(Top 57%)98(Top 55%)
25.2M25.20 mi3.45 mi614-75432-4363-1872(Top 45%)543(Top 47%)82(Top 46%)
Finish26.22 mi1.02 mi626-12441-963985(Top 51%)612(Top 53%)91(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×1
+26ft-31ft

Overall

343

Males

265

M35-39

45

5K→10K

3.1 - 6.2 mi

Top 14%
×2
+38ft-17ft

Overall

273

Males

216

M35-39

38

10K→15K

6.2 - 9.3 mi

Top 18%
×2
+26ft-44ft

Overall

343

Males

265

M35-39

45

15K→20K

9.3 - 12.4 mi

Top 23%
×1
+35ft-22ft

Overall

449

Males

343

M35-39

55

20K→Half

12.4 - 13.1 mi

Top 22%
×1
+7ft-13ft

Overall

425

Males

327

M35-39

55

Half→25K

13.1 - 15.5 mi

Top 33%
×2
+48ft-19ft

Overall

650

Males

468

M35-39

71

25K→30K

15.5 - 18.6 mi

Top 40%
×2
+38ft-52ft

Overall

782

Males

541

M35-39

79

30K→35K

18.6 - 21.8 mi

Top 52%
×2
+39ft-39ft

Overall

1020

Males

652

M35-39

98

35K→25.2M

21.8 - 25.2 mi

Top 45%
×3
+57ft-58ft

Overall

872

Males

543

M35-39

82

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×1
+17ft-12ft

Overall

985

Males

612

M35-39

91

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
19
Passed By
383
Net Change
-364
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#262
5K → 10K710-3#262#265
10K → 15K219-17#265#282
15K → 20K031-31#282#313
20K → Half213-11#313#324
Half → 25K148-47#324#371
25K → 30K249-47#371#418
30K → 35K1122-121#418#539
35K → 25.2M479-75#539#614
25.2M → Finish012-12#614#626
TOTALS19383-364
📊

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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