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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

William Cook

Bib: 2811 •M •Age: 65

Brooklyn, NY

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Male)
#0 / 1153
Masters (Masters Men)
#0 / 398
Age Group (M65-69)
#0 / 15
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
39:38
3.11 mi
Rank: #1861
Start → 5K
39:38 | 12:46/mi
10K
1:11:58
6.21 mi
Rank: #1690 (+171)
5K → 10K
32:20 | 10:25/mi
15K
1:45:45
9.32 mi
Rank: #1604 (+86)
10K → 15K
33:47 | 10:53/mi
20K
2:20:44
12.43 mi
Rank: #1579 (+25)
15K → 20K
34:59 | 11:16/mi
Half
2:28:50
13.10 mi
Rank: #1568 (+11)
20K → Half
8:06 | 12:05/mi
25K
2:57:54
15.53 mi
Rank: #1559 (+9)
Half → 25K
29:04 | 11:56/mi
30K
3:30:20
18.64 mi
Rank: #1526 (+33)
25K → 30K
32:26 | 10:27/mi
35K
4:11:34
21.75 mi
Rank: #1465 (+61)
30K → 35K
41:14 | 13:17/mi
25.2M
4:51:46
25.20 mi
Rank: #1421 (+44)
35K → 25.2M
40:12 | 11:39/mi
Finish
5:02:43
26.22 mi
Rank: #1415 (+6)
25.2M → Finish
10:57 | 10:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:28:50
Pace11:22 /mi
2nd Half
Distance13.12 mi
Time2:33:53
Pace11:44 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:28:1939:3812:4639:38
12:46
-
10K
6.21 mi09:00:391:11:5811:3532:20
10:25
-2:21
15K
9.32 mi09:34:261:45:4511:2133:47
10:53
+0:28
20K
12.43 mi10:09:252:20:4411:2034:59
11:16
+0:23
Half
13.10 mi10:17:312:28:5011:228:06
12:05
+0:49
25K
15.53 mi10:46:352:57:5411:2829:04
11:56
-0:09
30K
18.64 mi11:19:013:30:2011:1732:26
10:27
-1:29
35K
21.75 mi12:00:154:11:3411:3541:14
13:17
+2:50
25.2M
25.20 mi12:40:274:51:4611:3540:12
11:39
-1:38
Finish
26.22 mi12:51:245:02:4311:3410:57
10:45
-0:54

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

10:25 /mi

Average Pace

11:33 /mi

Slowest Pace

13:17 /mi

Loading chart...
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

1:49:30

36% of race

Time at Steady Pace

1:52:21

37% of race

Time at Slower Pace

1:20:52

27% of race

Average Pace: 11:33 /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 mi08:28:1939:3812:4639:38
12:46
#1861
10K
6.21 mi09:00:391:11:5811:3532:20
10:25
#1690
15K
9.32 mi09:34:261:45:4511:2133:47
10:53
#1604
20K
12.43 mi10:09:252:20:4411:2034:59
11:16
#1579
Half
13.10 mi10:17:312:28:5011:228:06
12:05
#1568
25K
15.53 mi10:46:352:57:5411:2829:04
11:56
#1559
30K
18.64 mi11:19:013:30:2011:1732:26
10:27
#1526
35K
21.75 mi12:00:154:11:3411:3541:14
13:17
#1465
25.2M
25.20 mi12:40:274:51:4611:3540:12
11:39
#1421
Finish
26.22 mi12:51:245:02:4311:3410:57
10:45
#1415
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18611120131438(Top 74%)932(Top 81%)11(Top 73%)
10K6.21 mi3.10 mi1690+1711059+6112+11319(Top 68%)872(Top 76%)9(Top 60%)
15K9.32 mi3.11 mi1604+861021+38121438(Top 74%)932(Top 81%)11(Top 73%)
20K12.43 mi3.11 mi1579+251003+18121512(Top 78%)968(Top 84%)11(Top 73%)
Half13.10 mi0.67 mi1568+11996+7121504(Top 77%)959(Top 83%)12(Top 80%)
25K15.53 mi2.43 mi1559+9991+5121471(Top 75%)926(Top 80%)12(Top 80%)
30K18.64 mi3.11 mi1526+33967+24121377(Top 71%)859(Top 75%)12(Top 80%)
35K21.75 mi3.11 mi1465+61925+42121219(Top 63%)758(Top 66%)11(Top 73%)
25.2M25.20 mi3.45 mi1421+44896+2911+11083(Top 56%)655(Top 57%)8(Top 53%)
Finish26.22 mi1.02 mi1415+6890+6111213(Top 62%)747(Top 65%)8(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×1
+26ft-31ft

Overall

1438

Males

932

M65-69

11

5K→10K

3.1 - 6.2 mi

Top 68%
×2
+38ft-17ft

Overall

1319

Males

872

M65-69

9

10K→15K

6.2 - 9.3 mi

Top 74%
×2
+26ft-44ft

Overall

1438

Males

932

M65-69

11

15K→20K

9.3 - 12.4 mi

Top 78%
×1
+35ft-22ft

Overall

1512

Males

968

M65-69

11

20K→Half

12.4 - 13.1 mi

Top 77%
×1
+7ft-13ft

Overall

1504

Males

959

M65-69

12

Half→25K

13.1 - 15.5 mi

Top 75%
×2
+48ft-19ft

Overall

1471

Males

926

M65-69

12

25K→30K

15.5 - 18.6 mi

Top 71%
×2
+38ft-52ft

Overall

1377

Males

859

M65-69

12

30K→35K

18.6 - 21.8 mi

Top 63%
×2
+39ft-39ft

Overall

1219

Males

758

M65-69

11

35K→25.2M

21.8 - 25.2 mi

Top 56%
×3
+57ft-58ft

Overall

1083

Males

655

M65-69

8

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×1
+17ft-12ft

Overall

1213

Males

747

M65-69

8

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
495
Passed By
49
Net Change
+446
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1861
5K → 10K1732+171#1861#1690
10K → 15K871+86#1690#1604
15K → 20K305+25#1604#1579
20K → Half132+11#1579#1568
Half → 25K3627+9#1568#1559
25K → 30K396+33#1559#1526
30K → 35K643+61#1526#1465
35K → 25.2M462+44#1465#1421
25.2M → Finish71+6#1421#1415
TOTALS49549+446
📊

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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