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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Christina Shotwell

Bib: 1973 •F •Age: 46

St Augustine, FL

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 1949
Top 49%
Gender (Female)
#0 / 791
Top 41%
Masters (Masters Women)
#0 / 277
Top 30%
Age Group (F45-49)
Official
#0 / 79
Calculated (F45-49)
#0 / 79
Top 27%
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
29:39
3.11 mi
Rank: #1014
Start → 5K
29:39 | 9:33/mi
10K
59:22
6.21 mi
Rank: #1007 (+7)
5K → 10K
29:43 | 9:34/mi
15K
1:29:06
9.32 mi
Rank: #1002 (+5)
10K → 15K
29:44 | 9:35/mi
20K
1:58:30
12.43 mi
Rank: #986 (+16)
15K → 20K
29:24 | 9:28/mi
Half
2:05:27
13.10 mi
Rank: #981 (+5)
20K → Half
6:57 | 10:22/mi
25K
2:31:17
15.53 mi
Rank: #994 (-13)
Half → 25K
25:50 | 10:37/mi
30K
2:57:40
18.64 mi
Rank: #948 (+46)
25K → 30K
26:23 | 8:30/mi
35K
3:35:54
21.75 mi
Rank: #951 (-3)
30K → 35K
38:14 | 12:19/mi
25.2M
4:15:59
25.20 mi
Rank: #963 (-12)
35K → 25.2M
40:05 | 11:37/mi
Finish
4:26:20
26.22 mi
Rank: #960 (+3)
25.2M → Finish
10:21 | 10:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:05:27
Pace9:35 /mi
2nd Half
Distance13.12 mi
Time2:20:53
Pace10:45 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:11:4429:399:3329:39
9:33
-
10K
6.21 mi08:41:2759:229:3429:43
9:34
+0:01
15K
9.32 mi09:11:111:29:069:3429:44
9:35
+0:01
20K
12.43 mi09:40:351:58:309:3329:24
9:28
-0:07
Half
13.10 mi09:47:322:05:279:356:57
10:22
+0:54
25K
15.53 mi10:13:222:31:179:4525:50
10:37
+0:15
30K
18.64 mi10:39:452:57:409:3226:23
8:30
-2:07
35K
21.75 mi11:17:593:35:549:5638:14
12:19
+3:49
25.2M
25.20 mi11:58:044:15:5910:1040:05
11:37
-0:42
Finish
26.22 mi12:08:254:26:2010:1010:21
10:10
-1:27

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

8:30 /mi

Average Pace

10:10 /mi

Slowest Pace

12:19 /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

2:24:53

54% of race

Time at Steady Pace

43:08

16% of race

Time at Slower Pace

1:18:19

29% of race

Average Pace: 10:09 /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 mi08:11:4429:399:3329:39
9:33
#1014
10K
6.21 mi08:41:2759:229:3429:43
9:34
#1007
15K
9.32 mi09:11:111:29:069:3429:44
9:35
#1002
20K
12.43 mi09:40:351:58:309:3329:24
9:28
#986
Half
13.10 mi09:47:322:05:279:356:57
10:22
#981
25K
15.53 mi10:13:222:31:179:4525:50
10:37
#994
30K
18.64 mi10:39:452:57:409:3226:23
8:30
#948
35K
21.75 mi11:17:593:35:549:5638:14
12:19
#951
25.2M
25.20 mi11:58:044:15:5910:1040:05
11:37
#963
Finish
26.22 mi12:08:254:26:2010:1010:21
10:10
#960
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 mi101430921996(Top 51%)300(Top 38%)18(Top 23%)
10K6.21 mi3.10 mi1007+730922-11010(Top 52%)306(Top 39%)22(Top 28%)
15K9.32 mi3.11 mi1002+5303+621+1996(Top 51%)300(Top 38%)18(Top 23%)
20K12.43 mi3.11 mi986+16298+519+2936(Top 48%)277(Top 35%)16(Top 20%)
Half13.10 mi0.67 mi981+529819978(Top 50%)301(Top 38%)18(Top 23%)
25K15.53 mi2.43 mi994-13307-920-11120(Top 57%)364(Top 46%)22(Top 28%)
30K18.64 mi3.11 mi948+46289+1818+2752(Top 39%)229(Top 29%)11(Top 14%)
35K21.75 mi3.11 mi951-3306-1720-2990(Top 51%)355(Top 45%)25(Top 32%)
25.2M25.20 mi3.45 mi963-12320-1421-11069(Top 55%)418(Top 53%)30(Top 38%)
Finish26.22 mi1.02 mi960+3323-3211014(Top 52%)382(Top 48%)21(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×1
+26ft-31ft

Overall

996

Females

300

F45-49

18

5K→10K

3.1 - 6.2 mi

Top 52%
×2
+38ft-17ft

Overall

1010

Females

306

F45-49

22

10K→15K

6.2 - 9.3 mi

Top 51%
×2
+26ft-44ft

Overall

996

Females

300

F45-49

18

15K→20K

9.3 - 12.4 mi

Top 48%
×1
+35ft-22ft

Overall

936

Females

277

F45-49

16

20K→Half

12.4 - 13.1 mi

Top 50%
×1
+7ft-13ft

Overall

978

Females

301

F45-49

18

Half→25K

13.1 - 15.5 mi

Top 57%
×2
+48ft-19ft

Overall

1120

Females

364

F45-49

22

25K→30K

15.5 - 18.6 mi

Top 39%
×2
+38ft-52ft

Overall

752

Females

229

F45-49

11

30K→35K

18.6 - 21.8 mi

Top 51%
×2
+39ft-39ft

Overall

990

Females

355

F45-49

25

35K→25.2M

21.8 - 25.2 mi

Top 55%
×3
+57ft-58ft

Overall

1069

Females

418

F45-49

30

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×1
+17ft-12ft

Overall

1014

Females

382

F45-49

21

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
182
Passed By
128
Net Change
+54
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1014
5K → 10K2821+7#1014#1007
10K → 15K2116+5#1007#1002
15K → 20K171+16#1002#986
20K → Half83+5#986#981
Half → 25K720-13#981#994
25K → 30K460+46#994#948
30K → 35K3033-3#948#951
35K → 25.2M1830-12#951#963
25.2M → Finish74+3#963#960
TOTALS182128+54
📊

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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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
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