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SHAMROCK MARATHON 2025

Gavin La

Bib: 1535•M•Age: 35

Silver Spring, MD

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0:00
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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
29:45
3.11 mi
Rank: #1024
Start → 5K
29:45 | 9:35/mi
10K
58:38
6.21 mi
Rank: #970 (+54)
5K → 10K
28:53 | 9:18/mi
15K
1:28:11
9.32 mi
Rank: #972 (-2)
10K → 15K
29:33 | 9:31/mi
20K
1:58:23
12.43 mi
Rank: #980 (-8)
15K → 20K
30:12 | 9:44/mi
Half
2:05:48
13.10 mi
Rank: #985 (-5)
20K → Half
7:25 | 11:04/mi
25K
2:33:12
15.53 mi
Rank: #1046 (-61)
Half → 25K
27:24 | 11:15/mi
30K
3:08:03
18.64 mi
Rank: #1139 (-93)
25K → 30K
34:51 | 11:14/mi
35K
3:58:49
21.75 mi
Rank: #1282 (-143)
30K → 35K
50:46 | 16:21/mi
25.2M
4:48:07
25.20 mi
Rank: #1386 (-104)
35K → 25.2M
49:18 | 14:17/mi
Finish
4:57:21
26.22 mi
Rank: #1354 (+32)
25.2M → Finish
9:14 | 9:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:05:48
Pace9:37 /mi
2nd Half
Distance13.12 mi
Time2:51:34
Pace13:05 /mi
📊Positive Split: 36.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:12:0429:459:3529:45
9:35
-
10K
6.21 mi08:40:5758:389:2728:53
9:18
-0:17
15K
9.32 mi09:10:301:28:119:2829:33
9:31
+0:13
20K
12.43 mi09:40:421:58:239:3230:12
9:44
+0:13
Half
13.10 mi09:48:072:05:489:377:25
11:04
+1:20
25K
15.53 mi10:15:312:33:129:5227:24
11:15
+0:11
30K
18.64 mi10:50:223:08:0310:0634:51
11:14
-0:01
35K
21.75 mi11:41:083:58:4910:5950:46
16:21
+5:07
25.2M
25.20 mi12:30:264:48:0711:2649:18
14:17
-2:04
Finish
26.22 mi12:39:404:57:2111:219:14
9:04
-5:13

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

9:04 /mi

Average Pace

11:21 /mi

Slowest Pace

16:21 /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

2:07:37

43% of race

Time at Steady Pace

1:09:40

23% of race

Time at Slower Pace

1:40:04

34% of race

Average Pace: 11:20 /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 mi08:12:0429:459:3529:45
9:35
#1024
10K
6.21 mi08:40:5758:389:2728:53
9:18
#970
15K
9.32 mi09:10:301:28:119:2829:33
9:31
#972
20K
12.43 mi09:40:421:58:239:3230:12
9:44
#980
Half
13.10 mi09:48:072:05:489:377:25
11:04
#985
25K
15.53 mi10:15:312:33:129:5227:24
11:15
#1046
30K
18.64 mi10:50:223:08:0310:0634:51
11:14
#1139
35K
21.75 mi11:41:083:58:4910:5950:46
16:21
#1282
25.2M
25.20 mi12:30:264:48:0711:2649:18
14:17
#1386
Finish
26.22 mi12:39:404:57:2111:219:14
9:04
#1354
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 mi1024708110980(Top 50%)688(Top 60%)108(Top 61%)
10K6.21 mi3.10 mi970+54679+29103+7927(Top 48%)651(Top 56%)102(Top 57%)
15K9.32 mi3.11 mi972-2682-3105-2980(Top 50%)688(Top 60%)108(Top 61%)
20K12.43 mi3.11 mi980-8685-3107-21034(Top 53%)714(Top 62%)109(Top 61%)
Half13.10 mi0.67 mi985-5682+3106+11209(Top 62%)806(Top 70%)129(Top 72%)
25K15.53 mi2.43 mi1046-61717-35112-61305(Top 67%)841(Top 73%)135(Top 76%)
30K18.64 mi3.11 mi1139-93767-50120-81530(Top 79%)944(Top 82%)148(Top 83%)
35K21.75 mi3.11 mi1282-143829-62132-121672(Top 86%)1002(Top 87%)159(Top 89%)
25.2M25.20 mi3.45 mi1386-104875-46140-81641(Top 84%)981(Top 85%)157(Top 88%)
Finish26.22 mi1.02 mi1354+32857+18137+3600(Top 31%)391(Top 34%)56(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×1
+26ft-31ft

Overall

980

Males

688

M35-39

108

5K→10K

3.1 - 6.2 mi

Top 48%
×2
+38ft-17ft

Overall

927

Males

651

M35-39

102

10K→15K

6.2 - 9.3 mi

Top 50%
×2
+26ft-44ft

Overall

980

Males

688

M35-39

108

15K→20K

9.3 - 12.4 mi

Top 53%
×1
+35ft-22ft

Overall

1034

Males

714

M35-39

109

20K→Half

12.4 - 13.1 mi

Top 62%
×1
+7ft-13ft

Overall

1209

Males

806

M35-39

129

Half→25K

13.1 - 15.5 mi

Top 67%
×2
+48ft-19ft

Overall

1305

Males

841

M35-39

135

25K→30K

15.5 - 18.6 mi

Top 79%
×2
+38ft-52ft

Overall

1530

Males

944

M35-39

148

30K→35K

18.6 - 21.8 mi

Top 86%
×2
+39ft-39ft

Overall

1672

Males

1002

M35-39

159

35K→25.2M

21.8 - 25.2 mi

Top 84%
×3
+57ft-58ft

Overall

1641

Males

981

M35-39

157

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×1
+17ft-12ft

Overall

600

Males

391

M35-39

56

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
131
Passed By
461
Net Change
-330
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1024
5K → 10K639+54#1024#970
10K → 15K1315-2#970#972
15K → 20K816-8#972#980
20K → Half510-5#980#985
Half → 25K263-61#985#1046
25K → 30K497-93#1046#1139
30K → 35K4147-143#1139#1282
35K → 25.2M0104-104#1282#1386
25.2M → Finish320+32#1386#1354
TOTALS131461-330
📊

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

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🏆 Finisher Certificate
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Activity Data

Upload your GPX file to see detailed activity metrics

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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