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SHAMROCK MARATHON 2025

Colleen Sands

Bib: 1214•F•Age: 34

Clemmons, NC

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0:00
0:00
/ mi
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Overall
#0 / 1949
Top 36%
Gender (Female)
#0 / 791
Top 27%
Age Group (F30-34)
#0 / 104
Top 32%
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
28:03
3.11 mi
Rank: #787
Start → 5K
28:03 | 9:02/mi
10K
57:26
6.21 mi
Rank: #910 (-123)
5K → 10K
29:23 | 9:28/mi
15K
1:25:07
9.32 mi
Rank: #835 (+75)
10K → 15K
27:41 | 8:55/mi
20K
1:52:48
12.43 mi
Rank: #806 (+29)
15K → 20K
27:41 | 8:55/mi
Half
1:59:17
13.10 mi
Rank: #799 (+7)
20K → Half
6:29 | 9:40/mi
25K
2:22:15
15.53 mi
Rank: #786 (+13)
Half → 25K
22:58 | 9:26/mi
30K
2:47:33
18.64 mi
Rank: #762 (+24)
25K → 30K
25:18 | 8:09/mi
35K
3:23:50
21.75 mi
Rank: #764 (-2)
30K → 35K
36:17 | 11:41/mi
25.2M
3:58:02
25.20 mi
Rank: #707 (+57)
35K → 25.2M
34:12 | 9:55/mi
Finish
4:07:09
26.22 mi
Rank: #696 (+11)
25.2M → Finish
9:07 | 8:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:59:17
Pace9:07 /mi
2nd Half
Distance13.12 mi
Time2:07:52
Pace9:45 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:06:1428:039:0228:03
9:02
-
10K
6.21 mi08:35:3757:269:1529:23
9:28
+0:26
15K
9.32 mi09:03:181:25:079:0827:41
8:55
-0:33
20K
12.43 mi09:30:591:52:489:0527:41
8:55
0:00
Half
13.10 mi09:37:281:59:179:076:29
9:40
+0:45
25K
15.53 mi10:00:262:22:159:1022:58
9:26
-0:14
30K
18.64 mi10:25:442:47:339:0025:18
8:09
-1:17
35K
21.75 mi11:02:013:23:509:2336:17
11:41
+3:32
25.2M
25.20 mi11:36:133:58:029:2734:12
9:55
-1:46
Finish
26.22 mi11:45:204:07:099:269:07
8:57
-0:58

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

8:09 /mi

Average Pace

9:26 /mi

Slowest Pace

11:41 /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

1:29:47

36% of race

Time at Steady Pace

1:26:53

35% of race

Time at Slower Pace

1:10:29

29% of race

Average Pace: 9:26 /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 mi08:06:1428:039:0228:03
9:02
#787
10K
6.21 mi08:35:3757:269:1529:23
9:28
#910
15K
9.32 mi09:03:181:25:079:0827:41
8:55
#835
20K
12.43 mi09:30:591:52:489:0527:41
8:55
#806
Half
13.10 mi09:37:281:59:179:076:29
9:40
#799
25K
15.53 mi10:00:262:22:159:1022:58
9:26
#786
30K
18.64 mi10:25:442:47:339:0025:18
8:09
#762
35K
21.75 mi11:02:013:23:509:2336:17
11:41
#764
25.2M
25.20 mi11:36:133:58:029:2734:12
9:55
#707
Finish
26.22 mi11:45:204:07:099:269:07
8:57
#696
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi78722739718(Top 37%)197(Top 25%)33(Top 32%)
10K6.21 mi3.10 mi910-123266-3941-2978(Top 50%)290(Top 37%)44(Top 42%)
15K9.32 mi3.11 mi835+75241+2538+3718(Top 37%)197(Top 25%)33(Top 32%)
20K12.43 mi3.11 mi806+29230+1137+1734(Top 38%)200(Top 25%)33(Top 32%)
Half13.10 mi0.67 mi799+7229+136+1759(Top 39%)211(Top 27%)36(Top 35%)
25K15.53 mi2.43 mi786+13221+836750(Top 38%)209(Top 26%)33(Top 32%)
30K18.64 mi3.11 mi762+24213+834+2642(Top 33%)186(Top 24%)30(Top 29%)
35K21.75 mi3.11 mi764-2222-935-1828(Top 42%)285(Top 36%)45(Top 43%)
25.2M25.20 mi3.45 mi707+57214+833+2597(Top 31%)207(Top 26%)38(Top 37%)
Finish26.22 mi1.02 mi696+11212+233578(Top 30%)198(Top 25%)33(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×1
+26ft-31ft

Overall

718

Females

197

F30-34

33

5K→10K

3.1 - 6.2 mi

Top 50%
×2
+38ft-17ft

Overall

978

Females

290

F30-34

44

10K→15K

6.2 - 9.3 mi

Top 37%
×2
+26ft-44ft

Overall

718

Females

197

F30-34

33

15K→20K

9.3 - 12.4 mi

Top 38%
×1
+35ft-22ft

Overall

734

Females

200

F30-34

33

20K→Half

12.4 - 13.1 mi

Top 39%
×1
+7ft-13ft

Overall

759

Females

211

F30-34

36

Half→25K

13.1 - 15.5 mi

Top 38%
×2
+48ft-19ft

Overall

750

Females

209

F30-34

33

25K→30K

15.5 - 18.6 mi

Top 33%
×2
+38ft-52ft

Overall

642

Females

186

F30-34

30

30K→35K

18.6 - 21.8 mi

Top 42%
×2
+39ft-39ft

Overall

828

Females

285

F30-34

45

35K→25.2M

21.8 - 25.2 mi

Top 31%
×3
+57ft-58ft

Overall

597

Females

207

F30-34

38

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×1
+17ft-12ft

Overall

578

Females

198

F30-34

33

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
274
Passed By
183
Net Change
+91
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#787
5K → 10K4127-123#787#910
10K → 15K772+75#910#835
15K → 20K345+29#835#806
20K → Half92+7#806#799
Half → 25K218+13#799#786
25K → 30K306+24#786#762
30K → 35K2830-2#762#764
35K → 25.2M592+57#764#707
25.2M → Finish121+11#707#696
TOTALS274183+91
📊

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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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.

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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management