David Walsh

Bib: 2509β€’Mβ€’Age: 35

Virginia Bch, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 1949
Gender (Male)
#0 / 1153
Age Group (M35-39)
Official
#0 / 178
Calculated (M35-39)
#0 / 178
Race Day Weather
71Β°/61Β°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
32:28
3.11 mi
Rank: #1372
Start β†’ 5K
32:28 | 10:28/mi
10K
1:07:19
6.21 mi
Rank: #1463 (-91)
5K β†’ 10K
34:51 | 11:14/mi
15K
1:44:29
9.32 mi
Rank: #1568 (-105)
10K β†’ 15K
37:10 | 11:58/mi
20K
2:20:39
12.43 mi
Rank: #1574 (-6)
15K β†’ 20K
36:10 | 11:39/mi
Half
2:29:19
13.10 mi
Rank: #1584 (-10)
20K β†’ Half
8:40 | 12:55/mi
25K
3:03:38
15.53 mi
Rank: #1643 (-59)
Half β†’ 25K
34:19 | 14:06/mi
30K
3:46:42
18.64 mi
Rank: #1704 (-61)
25K β†’ 30K
43:04 | 13:52/mi
35K
4:43:29
21.75 mi
Rank: #1740 (-36)
30K β†’ 35K
56:47 | 18:17/mi
25.2M
5:39:48
25.20 mi
Rank: #1764 (-24)
35K β†’ 25.2M
56:19 | 16:19/mi
Finish
5:54:01
26.22 mi
Rank: #1770 (-6)
25.2M β†’ Finish
14:13 | 13:58/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:29:19
Pace11:24 /mi
2nd Half
Distance13.12 mi
Time3:24:42
Pace15:37 /mi
πŸ“ŠPositive Split: 37.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:18:3732:2810:2832:28
10:28
-
10K
6.21 mi08:53:281:07:1910:5134:51
11:14
+0:46
15K
9.32 mi09:30:381:44:2911:1337:10
11:58
+0:44
20K
12.43 mi10:06:482:20:3911:2036:10
11:39
-0:19
Half
13.10 mi10:15:282:29:1911:248:40
12:55
+1:16
25K
15.53 mi10:49:473:03:3811:5034:19
14:06
+1:11
30K
18.64 mi11:32:513:46:4212:1043:04
13:52
-0:14
35K
21.75 mi12:29:384:43:2913:0356:47
18:17
+4:25
25.2M
25.20 mi13:25:575:39:4813:3056:19
16:19
-1:58
Finish
26.22 mi13:40:105:54:0113:3114:13
13:58
-2:21

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

10:28 /mi

Average Pace

13:31 /mi

Slowest Pace

18:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:20:39

40% of race

Time at Steady Pace

1:40:16

28% of race

Time at Slower Pace

1:53:06

32% of race

Average Pace: 13:30 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi08:18:3732:2810:2832:28
10:28
#1372
10K
6.21 mi08:53:281:07:1910:5134:51
11:14
#1463
15K
9.32 mi09:30:381:44:2911:1337:10
11:58
#1568
20K
12.43 mi10:06:482:20:3911:2036:10
11:39
#1574
Half
13.10 mi10:15:282:29:1911:248:40
12:55
#1584
25K
15.53 mi10:49:473:03:3811:5034:19
14:06
#1643
30K
18.64 mi11:32:513:46:4212:1043:04
13:52
#1704
35K
21.75 mi12:29:384:43:2913:0356:47
18:17
#1740
25.2M
25.20 mi13:25:575:39:4813:3056:19
16:19
#1764
Finish
26.22 mi13:40:105:54:0113:3114:13
13:58
#1770
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 mi13729011441699(Top 87%)1062(Top 92%)169(Top 95%)
10K6.21 mi3.10 mi1463-91944-43149-51557(Top 80%)990(Top 86%)159(Top 89%)
15K9.32 mi3.11 mi1568-105999-55160-111699(Top 87%)1062(Top 92%)169(Top 95%)
20K12.43 mi3.11 mi1574-61001-2161-11598(Top 82%)1008(Top 87%)159(Top 89%)
Half13.10 mi0.67 mi1584-101005-4160+11668(Top 86%)1031(Top 89%)162(Top 91%)
25K15.53 mi2.43 mi1643-591027-22164-41761(Top 90%)1064(Top 92%)170(Top 96%)
30K18.64 mi3.11 mi1704-611054-27165-11864(Top 96%)1111(Top 96%)176(Top 99%)
35K21.75 mi3.11 mi1740-361065-11167-21846(Top 95%)1095(Top 95%)172(Top 97%)
25.2M25.20 mi3.45 mi1764-241072-7170-31847(Top 95%)1094(Top 95%)173(Top 97%)
Finish26.22 mi1.02 mi1770-61079-7172-21788(Top 92%)1064(Top 92%)171(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
Γ—1
+26ft-31ft

Overall

1699

Males

1062

M35-39

169

5K→10K

3.1 - 6.2 mi

Top 80%
Γ—2
+38ft-17ft

Overall

1557

Males

990

M35-39

159

10K→15K

6.2 - 9.3 mi

Top 87%
Γ—2
+26ft-44ft

Overall

1699

Males

1062

M35-39

169

15K→20K

9.3 - 12.4 mi

Top 82%
Γ—1
+35ft-22ft

Overall

1598

Males

1008

M35-39

159

20K→Half

12.4 - 13.1 mi

Top 86%
Γ—1
+7ft-13ft

Overall

1668

Males

1031

M35-39

162

Half→25K

13.1 - 15.5 mi

Top 90%
Γ—2
+48ft-19ft

Overall

1761

Males

1064

M35-39

170

25K→30K

15.5 - 18.6 mi

Top 96%
Γ—2
+38ft-52ft

Overall

1864

Males

1111

M35-39

176

30K→35K

18.6 - 21.8 mi

Top 95%
Γ—2
+39ft-39ft

Overall

1846

Males

1095

M35-39

172

35K→25.2M

21.8 - 25.2 mi

Top 95%
Γ—3
+57ft-58ft

Overall

1847

Males

1094

M35-39

173

25.2M→Finish

25.2 - 26.2 mi

Top 92%
Γ—1
+17ft-12ft

Overall

1788

Males

1064

M35-39

171

Is this your race? Claiming it gets you a full AI race analysis β€” free, sent to you by email.

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
49
Passed By
447
Net Change
-398
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1372
5K β†’ 10K394-91#1372#1463
10K β†’ 15K5110-105#1463#1568
15K β†’ 20K1319-6#1568#1574
20K β†’ Half1020-10#1574#1584
Half β†’ 25K665-59#1584#1643
25K β†’ 30K263-61#1643#1704
30K β†’ 35K642-36#1704#1740
35K β†’ 25.2M327-24#1740#1764
25.2M β†’ Finish17-6#1764#1770
TOTALS49447-398

Is this your race? Claiming it gets you a full AI race analysis β€” free, sent to you by email.

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...

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

πŸ† Finisher Certificate
Download or share your official race finisher certificate
Loading certificate...

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
Share Feedback

Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management