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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Shawn Madsen

Bib: 2805 •M •Age: 17

Virginia Bch, GI

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 38%
Gender (Male)
#0 / 1153
Top 44%
Age Group (M15-19)
#0 / 25
Top 36%
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
25:47
3.11 mi
Rank: #444
Start → 5K
25:47 | 8:18/mi
10K
52:00
6.21 mi
Rank: #470 (-26)
5K → 10K
26:13 | 8:27/mi
15K
1:19:00
9.32 mi
Rank: #505 (-35)
10K → 15K
27:00 | 8:42/mi
20K
1:46:41
12.43 mi
Rank: #549 (-44)
15K → 20K
27:41 | 8:55/mi
Half
1:53:14
13.10 mi
Rank: #561 (-12)
20K → Half
6:33 | 9:46/mi
25K
2:17:42
15.53 mi
Rank: #647 (-86)
Half → 25K
24:28 | 10:03/mi
30K
2:45:17
18.64 mi
Rank: #701 (-54)
25K → 30K
27:35 | 8:53/mi
35K
3:23:35
21.75 mi
Rank: #761 (-60)
30K → 35K
38:18 | 12:20/mi
25.2M
4:00:42
25.20 mi
Rank: #744 (+17)
35K → 25.2M
37:07 | 10:46/mi
Finish
4:09:22
26.22 mi
Rank: #732 (+12)
25.2M → Finish
8:40 | 8:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:53:14
Pace8:39 /mi
2nd Half
Distance13.12 mi
Time2:16:09
Pace10:23 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:14:1025:478:1825:47
8:18
-
10K
6.21 mi08:40:2352:008:2326:13
8:27
+0:09
15K
9.32 mi09:07:231:19:008:2927:00
8:42
+0:15
20K
12.43 mi09:35:041:46:418:3627:41
8:55
+0:13
Half
13.10 mi09:41:371:53:148:396:33
9:46
+0:51
25K
15.53 mi10:06:052:17:428:5224:28
10:03
+0:17
30K
18.64 mi10:33:402:45:178:5227:35
8:53
-1:10
35K
21.75 mi11:11:583:23:359:2238:18
12:20
+3:27
25.2M
25.20 mi11:49:054:00:429:3437:07
10:46
-1:34
Finish
26.22 mi11:57:454:09:229:328:40
8:31
-2:15

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

8:18 /mi

Average Pace

9:31 /mi

Slowest Pace

12:20 /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

25:47

10% of race

Time at Steady Pace

1:57:09

47% of race

Time at Slower Pace

1:46:26

43% of race

Average Pace: 9:31 /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 mi08:14:1025:478:1825:47
8:18
#444
10K
6.21 mi08:40:2352:008:2326:13
8:27
#470
15K
9.32 mi09:07:231:19:008:2927:00
8:42
#505
20K
12.43 mi09:35:041:46:418:3627:41
8:55
#549
Half
13.10 mi09:41:371:53:148:396:33
9:46
#561
25K
15.53 mi10:06:052:17:428:5224:28
10:03
#647
30K
18.64 mi10:33:402:45:178:5227:35
8:53
#701
35K
21.75 mi11:11:583:23:359:2238:18
12:20
#761
25.2M
25.20 mi11:49:054:00:429:3437:07
10:46
#744
Finish
26.22 mi11:57:454:09:229:328:40
8:31
#732
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM15-19Seg. OverallSeg. MalesSeg. M15-19
5K3.11 mi3.11 mi4443368600(Top 31%)443(Top 38%)10(Top 40%)
10K6.21 mi3.10 mi470-26359-239-1489(Top 25%)370(Top 32%)9(Top 36%)
15K9.32 mi3.11 mi505-35380-219600(Top 31%)443(Top 38%)10(Top 40%)
20K12.43 mi3.11 mi549-44407-279735(Top 38%)535(Top 46%)12(Top 48%)
Half13.10 mi0.67 mi561-12419-1210-1805(Top 41%)579(Top 50%)14(Top 56%)
25K15.53 mi2.43 mi647-86477-5812-2945(Top 48%)657(Top 57%)14(Top 56%)
30K18.64 mi3.11 mi701-54506-2911+1894(Top 46%)609(Top 53%)11(Top 44%)
35K21.75 mi3.11 mi761-60541-3511997(Top 51%)637(Top 55%)8(Top 32%)
25.2M25.20 mi3.45 mi744+17519+229+2832(Top 43%)515(Top 45%)7(Top 28%)
Finish26.22 mi1.02 mi732+12510+99438(Top 22%)298(Top 26%)7(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×1
+26ft-31ft

Overall

600

Males

443

M15-19

10

5K→10K

3.1 - 6.2 mi

Top 25%
×2
+38ft-17ft

Overall

489

Males

370

M15-19

9

10K→15K

6.2 - 9.3 mi

Top 31%
×2
+26ft-44ft

Overall

600

Males

443

M15-19

10

15K→20K

9.3 - 12.4 mi

Top 38%
×1
+35ft-22ft

Overall

735

Males

535

M15-19

12

20K→Half

12.4 - 13.1 mi

Top 41%
×1
+7ft-13ft

Overall

805

Males

579

M15-19

14

Half→25K

13.1 - 15.5 mi

Top 48%
×2
+48ft-19ft

Overall

945

Males

657

M15-19

14

25K→30K

15.5 - 18.6 mi

Top 46%
×2
+38ft-52ft

Overall

894

Males

609

M15-19

11

30K→35K

18.6 - 21.8 mi

Top 51%
×2
+39ft-39ft

Overall

997

Males

637

M15-19

8

35K→25.2M

21.8 - 25.2 mi

Top 43%
×3
+57ft-58ft

Overall

832

Males

515

M15-19

7

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×1
+17ft-12ft

Overall

438

Males

298

M15-19

7

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
85
Passed By
373
Net Change
-288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#444
5K → 10K632-26#444#470
10K → 15K035-35#470#505
15K → 20K347-44#505#549
20K → Half618-12#549#561
Half → 25K187-86#561#647
25K → 30K963-54#647#701
30K → 35K1575-60#701#761
35K → 25.2M3215+17#761#744
25.2M → Finish131+12#744#732
TOTALS85373-288
📊

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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