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

Kathleen Lamaker

Bib: 2880 •F •Age: 47

Hilton Head, SC

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Gender (Female)
#0 / 791
Masters (Masters Women)
#0 / 277
Age Group (F45-49)
Official
#0 / 79
Calculated (F45-49)
#0 / 79
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
37:21
3.11 mi
Rank: #1785
Start → 5K
37:21 | 12:02/mi
10K
1:14:37
6.21 mi
Rank: #1753 (+32)
5K → 10K
37:16 | 12:00/mi
15K
1:50:56
9.32 mi
Rank: #1726 (+27)
10K → 15K
36:19 | 11:42/mi
20K
2:26:50
12.43 mi
Rank: #1683 (+43)
15K → 20K
35:54 | 11:34/mi
Half
2:34:52
13.10 mi
Rank: #1671 (+12)
20K → Half
8:02 | 11:59/mi
25K
3:03:15
15.53 mi
Rank: #1635 (+36)
Half → 25K
28:23 | 11:40/mi
30K
3:35:48
18.64 mi
Rank: #1584 (+51)
25K → 30K
32:33 | 10:29/mi
35K
4:22:20
21.75 mi
Rank: #1578 (+6)
30K → 35K
46:32 | 14:59/mi
25.2M
5:08:03
25.20 mi
Rank: #1571 (+7)
35K → 25.2M
45:43 | 13:15/mi
Finish
5:20:25
26.22 mi
Rank: #1575 (-4)
25.2M → Finish
12:22 | 12:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:34:52
Pace11:50 /mi
2nd Half
Distance13.12 mi
Time2:45:34
Pace12:38 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:23:2937:2112:0237:21
12:02
-
10K
6.21 mi09:00:451:14:3712:0137:16
12:00
-0:02
15K
9.32 mi09:37:041:50:5611:5536:19
11:42
-0:18
20K
12.43 mi10:12:582:26:5011:4935:54
11:34
-0:08
Half
13.10 mi10:21:002:34:5211:508:02
11:59
+0:25
25K
15.53 mi10:49:233:03:1511:4828:23
11:40
-0:19
30K
18.64 mi11:21:563:35:4811:3532:33
10:29
-1:11
35K
21.75 mi12:08:284:22:2012:0446:32
14:59
+4:30
25.2M
25.20 mi12:54:115:08:0312:1445:43
13:15
-1:44
Finish
26.22 mi13:06:335:20:2512:1412:22
12:09
-1:06

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

10:29 /mi

Average Pace

12:14 /mi

Slowest Pace

14:59 /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

32:33

10% of race

Time at Steady Pace

3:15:37

61% of race

Time at Slower Pace

1:32:15

29% 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 mi08:23:2937:2112:0237:21
12:02
#1785
10K
6.21 mi09:00:451:14:3712:0137:16
12:00
#1753
15K
9.32 mi09:37:041:50:5611:5536:19
11:42
#1726
20K
12.43 mi10:12:582:26:5011:4935:54
11:34
#1683
Half
13.10 mi10:21:002:34:5211:508:02
11:59
#1671
25K
15.53 mi10:49:233:03:1511:4828:23
11:40
#1635
30K
18.64 mi11:21:563:35:4811:3532:33
10:29
#1584
35K
21.75 mi12:08:284:22:2012:0446:32
14:59
#1578
25.2M
25.20 mi12:54:115:08:0312:1445:43
13:15
#1571
Finish
26.22 mi13:06:335:20:2512:1412:22
12:09
#1575
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi1785686641654(Top 85%)610(Top 77%)55(Top 70%)
10K6.21 mi3.10 mi1753+32663+2359+51731(Top 89%)649(Top 82%)58(Top 73%)
15K9.32 mi3.11 mi1726+27646+1757+21654(Top 85%)610(Top 77%)55(Top 70%)
20K12.43 mi3.11 mi1683+43625+2156+11583(Top 81%)578(Top 73%)50(Top 63%)
Half13.10 mi0.67 mi1671+1262555+11487(Top 76%)536(Top 68%)42(Top 53%)
25K15.53 mi2.43 mi1635+36606+19551411(Top 72%)512(Top 65%)40(Top 51%)
30K18.64 mi3.11 mi1584+51583+2352+31386(Top 71%)521(Top 66%)48(Top 61%)
35K21.75 mi3.11 mi1578+6585-253-11491(Top 77%)581(Top 73%)54(Top 68%)
25.2M25.20 mi3.45 mi1571+7590-554-11473(Top 76%)584(Top 74%)51(Top 65%)
Finish26.22 mi1.02 mi1575-4592-253+11547(Top 79%)620(Top 78%)53(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×1
+26ft-31ft

Overall

1654

Females

610

F45-49

55

5K→10K

3.1 - 6.2 mi

Top 89%
×2
+38ft-17ft

Overall

1731

Females

649

F45-49

58

10K→15K

6.2 - 9.3 mi

Top 85%
×2
+26ft-44ft

Overall

1654

Females

610

F45-49

55

15K→20K

9.3 - 12.4 mi

Top 81%
×1
+35ft-22ft

Overall

1583

Females

578

F45-49

50

20K→Half

12.4 - 13.1 mi

Top 76%
×1
+7ft-13ft

Overall

1487

Females

536

F45-49

42

Half→25K

13.1 - 15.5 mi

Top 72%
×2
+48ft-19ft

Overall

1411

Females

512

F45-49

40

25K→30K

15.5 - 18.6 mi

Top 71%
×2
+38ft-52ft

Overall

1386

Females

521

F45-49

48

30K→35K

18.6 - 21.8 mi

Top 77%
×2
+39ft-39ft

Overall

1491

Females

581

F45-49

54

35K→25.2M

21.8 - 25.2 mi

Top 76%
×3
+57ft-58ft

Overall

1473

Females

584

F45-49

51

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×1
+17ft-12ft

Overall

1547

Females

620

F45-49

53

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
278
Passed By
68
Net Change
+210
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1785
5K → 10K4513+32#1785#1753
10K → 15K314+27#1753#1726
15K → 20K452+43#1726#1683
20K → Half164+12#1683#1671
Half → 25K437+36#1671#1635
25K → 30K521+51#1635#1584
30K → 35K2721+6#1584#1578
35K → 25.2M1710+7#1578#1571
25.2M → Finish26-4#1571#1575
TOTALS27868+210
📊

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