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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Alyse O’Steen

Bib: 1879 •F •Age: 39

Fredericksbrg, VA

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Top 49%
Gender (Female)
#0 / 791
Top 40%
Age Group (F35-39)
Official
#0 / 111
Calculated (F35-39)
#0 / 111
Top 38%
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
28:50
3.11 mi
Rank: #930
Start → 5K
28:50 | 9:17/mi
10K
57:22
6.21 mi
Rank: #906 (+24)
5K → 10K
28:32 | 9:12/mi
15K
1:27:08
9.32 mi
Rank: #940 (-34)
10K → 15K
29:46 | 9:35/mi
20K
1:57:49
12.43 mi
Rank: #972 (-32)
15K → 20K
30:41 | 9:53/mi
Half
2:04:47
13.10 mi
Rank: #968 (+4)
20K → Half
6:58 | 10:23/mi
25K
2:29:43
15.53 mi
Rank: #963 (+5)
Half → 25K
24:56 | 10:15/mi
30K
2:57:48
18.64 mi
Rank: #952 (+11)
25K → 30K
28:05 | 9:03/mi
35K
3:35:53
21.75 mi
Rank: #950 (+2)
30K → 35K
38:05 | 12:16/mi
25.2M
4:15:23
25.20 mi
Rank: #952 (-2)
35K → 25.2M
39:30 | 11:27/mi
Finish
4:25:56
26.22 mi
Rank: #950 (+2)
25.2M → Finish
10:33 | 10:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:04:47
Pace9:32 /mi
2nd Half
Distance13.12 mi
Time2:21:09
Pace10:46 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:11:1428:509:1728:50
9:17
-
10K
6.21 mi08:39:4657:229:1428:32
9:12
-0:05
15K
9.32 mi09:09:321:27:089:2129:46
9:35
+0:23
20K
12.43 mi09:40:131:57:499:2930:41
9:53
+0:18
Half
13.10 mi09:47:112:04:479:326:58
10:23
+0:30
25K
15.53 mi10:12:072:29:439:3924:56
10:15
-0:08
30K
18.64 mi10:40:122:57:489:3328:05
9:03
-1:12
35K
21.75 mi11:18:173:35:539:5638:05
12:16
+3:13
25.2M
25.20 mi11:57:474:15:2310:0939:30
11:27
-0:49
Finish
26.22 mi12:08:204:25:5610:1010:33
10:22
-1:05

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

9:03 /mi

Average Pace

10:09 /mi

Slowest Pace

12:16 /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

1:55:13

43% of race

Time at Steady Pace

1:13:08

28% of race

Time at Slower Pace

1:17:35

29% of race

Average Pace: 10:09 /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 mi08:11:1428:509:1728:50
9:17
#930
10K
6.21 mi08:39:4657:229:1428:32
9:12
#906
15K
9.32 mi09:09:321:27:089:2129:46
9:35
#940
20K
12.43 mi09:40:131:57:499:2930:41
9:53
#972
Half
13.10 mi09:47:112:04:479:326:58
10:23
#968
25K
15.53 mi10:12:072:29:439:3924:56
10:15
#963
30K
18.64 mi10:40:122:57:489:3328:05
9:03
#952
35K
21.75 mi11:18:173:35:539:5638:05
12:16
#950
25.2M
25.20 mi11:57:474:15:2310:0939:30
11:27
#952
Finish
26.22 mi12:08:204:25:5610:1010:33
10:22
#950
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
5K3.11 mi3.11 mi930270361001(Top 51%)305(Top 39%)40(Top 36%)
10K6.21 mi3.10 mi906+24264+637-1888(Top 46%)260(Top 33%)37(Top 33%)
15K9.32 mi3.11 mi940-34276-1238-11001(Top 51%)305(Top 39%)40(Top 36%)
20K12.43 mi3.11 mi972-32291-1539-11094(Top 56%)345(Top 44%)44(Top 40%)
Half13.10 mi0.67 mi968+429138+1988(Top 51%)305(Top 39%)41(Top 37%)
25K15.53 mi2.43 mi963+5290+1381001(Top 51%)312(Top 39%)39(Top 35%)
30K18.64 mi3.11 mi952+11291-139-1953(Top 49%)308(Top 39%)41(Top 37%)
35K21.75 mi3.11 mi950+2305-1442-3978(Top 50%)348(Top 44%)44(Top 40%)
25.2M25.20 mi3.45 mi952-2313-8421025(Top 53%)399(Top 50%)51(Top 46%)
Finish26.22 mi1.02 mi950+2317-4421083(Top 56%)412(Top 52%)50(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×1
+26ft-31ft

Overall

1001

Females

305

F35-39

40

5K→10K

3.1 - 6.2 mi

Top 46%
×2
+38ft-17ft

Overall

888

Females

260

F35-39

37

10K→15K

6.2 - 9.3 mi

Top 51%
×2
+26ft-44ft

Overall

1001

Females

305

F35-39

40

15K→20K

9.3 - 12.4 mi

Top 56%
×1
+35ft-22ft

Overall

1094

Females

345

F35-39

44

20K→Half

12.4 - 13.1 mi

Top 51%
×1
+7ft-13ft

Overall

988

Females

305

F35-39

41

Half→25K

13.1 - 15.5 mi

Top 51%
×2
+48ft-19ft

Overall

1001

Females

312

F35-39

39

25K→30K

15.5 - 18.6 mi

Top 49%
×2
+38ft-52ft

Overall

953

Females

308

F35-39

41

30K→35K

18.6 - 21.8 mi

Top 50%
×2
+39ft-39ft

Overall

978

Females

348

F35-39

44

35K→25.2M

21.8 - 25.2 mi

Top 53%
×3
+57ft-58ft

Overall

1025

Females

399

F35-39

51

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×1
+17ft-12ft

Overall

1083

Females

412

F35-39

50

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
152
Passed By
172
Net Change
-20
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#930
5K → 10K3713+24#930#906
10K → 15K337-34#906#940
15K → 20K739-32#940#972
20K → Half84+4#972#968
Half → 25K149+5#968#963
25K → 30K2211+11#963#952
30K → 35K3230+2#952#950
35K → 25.2M2022-2#950#952
25.2M → Finish97+2#952#950
TOTALS152172-20
📊

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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