All Results|Race Analytics|Course|Contact

Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Kelly Corsano

Bib: 2789 •F •Age: 26

Fredericksbrg, VA

Shamrock Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 1949
Gender (Female)
#0 / 791
Age Group (F25-29)
Official
#0 / 180
Calculated (F25-29)
#0 / 180
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
30:42
3.11 mi
Rank: #1154
Start → 5K
30:42 | 9:53/mi
10K
1:03:18
6.21 mi
Rank: #1225 (-71)
5K → 10K
32:36 | 10:30/mi
15K
1:35:59
9.32 mi
Rank: #1251 (-26)
10K → 15K
32:41 | 10:32/mi
20K
2:10:04
12.43 mi
Rank: #1329 (-78)
15K → 20K
34:05 | 10:59/mi
Half
2:17:49
13.10 mi
Rank: #1319 (+10)
20K → Half
7:45 | 11:33/mi
25K
2:49:32
15.53 mi
Rank: #1394 (-75)
Half → 25K
31:43 | 13:02/mi
30K
3:31:38
18.64 mi
Rank: #1543 (-149)
25K → 30K
42:06 | 13:34/mi
35K
4:25:00
21.75 mi
Rank: #1606 (-63)
30K → 35K
53:22 | 17:11/mi
25.2M
5:09:13
25.20 mi
Rank: #1577 (+29)
35K → 25.2M
44:13 | 12:49/mi
Finish
5:20:16
26.22 mi
Rank: #1572 (+5)
25.2M → Finish
11:03 | 10:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:17:49
Pace10:32 /mi
2nd Half
Distance13.12 mi
Time3:02:27
Pace13:55 /mi
📊Positive Split: 32.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:13:1930:429:5330:42
9:53
-
10K
6.21 mi08:45:551:03:1810:1232:36
10:30
+0:37
15K
9.32 mi09:18:361:35:5910:1832:41
10:32
+0:02
20K
12.43 mi09:52:412:10:0410:2834:05
10:59
+0:27
Half
13.10 mi10:00:262:17:4910:327:45
11:33
+0:34
25K
15.53 mi10:32:092:49:3210:5531:43
13:02
+1:29
30K
18.64 mi11:14:153:31:3811:2242:06
13:34
+0:32
35K
21.75 mi12:07:374:25:0012:1253:22
17:11
+3:37
25.2M
25.20 mi12:51:505:09:1312:1744:13
12:49
-4:22
Finish
26.22 mi13:02:535:20:1612:1411:03
10:51
-1:58

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

9:53 /mi

Average Pace

12:13 /mi

Slowest Pace

17:11 /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

1:03:18

20% of race

Time at Steady Pace

1:25:34

27% of race

Time at Slower Pace

2:51:24

54% of race

Average Pace: 12:13 /mi

Loading chart...
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 mi08:13:1930:429:5330:42
9:53
#1154
10K
6.21 mi08:45:551:03:1810:1232:36
10:30
#1225
15K
9.32 mi09:18:361:35:5910:1832:41
10:32
#1251
20K
12.43 mi09:52:412:10:0410:2834:05
10:59
#1329
Half
13.10 mi10:00:262:17:4910:327:45
11:33
#1319
25K
15.53 mi10:32:092:49:3210:5531:43
13:02
#1394
30K
18.64 mi11:14:153:31:3811:2242:06
13:34
#1543
35K
21.75 mi12:07:374:25:0012:1253:22
17:11
#1606
25.2M
25.20 mi12:51:505:09:1312:1744:13
12:49
#1577
Finish
26.22 mi13:02:535:20:1612:1411:03
10:51
#1572
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi1154374941346(Top 69%)457(Top 58%)121(Top 67%)
10K6.21 mi3.10 mi1225-71401-27100-61350(Top 69%)458(Top 58%)117(Top 65%)
15K9.32 mi3.11 mi1251-26412-11103-31346(Top 69%)457(Top 58%)121(Top 67%)
20K12.43 mi3.11 mi1329-78457-45117-141440(Top 74%)514(Top 65%)135(Top 75%)
Half13.10 mi0.67 mi1319+10453+41171381(Top 71%)487(Top 62%)129(Top 72%)
25K15.53 mi2.43 mi1394-75491-38129-121635(Top 84%)626(Top 79%)152(Top 84%)
30K18.64 mi3.11 mi1543-149561-70142-131822(Top 93%)725(Top 92%)168(Top 93%)
35K21.75 mi3.11 mi1606-63603-42147-51766(Top 91%)707(Top 89%)165(Top 92%)
25.2M25.20 mi3.45 mi1577+29592+111471371(Top 70%)543(Top 69%)139(Top 77%)
Finish26.22 mi1.02 mi1572+5589+31471247(Top 64%)478(Top 60%)125(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×1
+26ft-31ft

Overall

1346

Females

457

F25-29

121

5K→10K

3.1 - 6.2 mi

Top 69%
×2
+38ft-17ft

Overall

1350

Females

458

F25-29

117

10K→15K

6.2 - 9.3 mi

Top 69%
×2
+26ft-44ft

Overall

1346

Females

457

F25-29

121

15K→20K

9.3 - 12.4 mi

Top 74%
×1
+35ft-22ft

Overall

1440

Females

514

F25-29

135

20K→Half

12.4 - 13.1 mi

Top 71%
×1
+7ft-13ft

Overall

1381

Females

487

F25-29

129

Half→25K

13.1 - 15.5 mi

Top 84%
×2
+48ft-19ft

Overall

1635

Females

626

F25-29

152

25K→30K

15.5 - 18.6 mi

Top 93%
×2
+38ft-52ft

Overall

1822

Females

725

F25-29

168

30K→35K

18.6 - 21.8 mi

Top 91%
×2
+39ft-39ft

Overall

1766

Females

707

F25-29

165

35K→25.2M

21.8 - 25.2 mi

Top 70%
×3
+57ft-58ft

Overall

1371

Females

543

F25-29

139

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×1
+17ft-12ft

Overall

1247

Females

478

F25-29

125

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
88
Passed By
506
Net Change
-418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1154
5K → 10K1182-71#1154#1225
10K → 15K1238-26#1225#1251
15K → 20K381-78#1251#1329
20K → Half111+10#1329#1319
Half → 25K681-75#1319#1394
25K → 30K0149-149#1394#1543
30K → 35K770-63#1543#1606
35K → 25.2M312+29#1606#1577
25.2M → Finish72+5#1577#1572
TOTALS88506-418
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race 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

🏆 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