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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Sara Krzywanski

Bib: 3253 •F •Age: 48

Evans, GA

Shamrock Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Masters (Masters Women)
#0 / 277
Top 47%
Age Group (F45-49)
Official
#0 / 79
Calculated (F45-49)
#0 / 79
Top 43%
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
31:33
3.11 mi
Rank: #1243
Start → 5K
31:33 | 10:10/mi
10K
1:03:08
6.21 mi
Rank: #1213 (+30)
5K → 10K
31:35 | 10:10/mi
15K
1:35:22
9.32 mi
Rank: #1231 (-18)
10K → 15K
32:14 | 10:23/mi
20K
2:08:34
12.43 mi
Rank: #1260 (-29)
15K → 20K
33:12 | 10:42/mi
Half
2:16:26
13.10 mi
Rank: #1284 (-24)
20K → Half
7:52 | 11:44/mi
25K
2:43:29
15.53 mi
Rank: #1286 (-2)
Half → 25K
27:03 | 11:07/mi
30K
3:14:17
18.64 mi
Rank: #1264 (+22)
25K → 30K
30:48 | 9:55/mi
35K
3:54:41
21.75 mi
Rank: #1232 (+32)
30K → 35K
40:24 | 13:01/mi
25.2M
4:39:35
25.20 mi
Rank: #1269 (-37)
35K → 25.2M
44:54 | 13:01/mi
Finish
4:51:21
26.22 mi
Rank: #1272 (-3)
25.2M → Finish
11:46 | 11:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:16:26
Pace10:25 /mi
2nd Half
Distance13.12 mi
Time2:34:55
Pace11:49 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:13:5931:3310:1031:33
10:10
-
10K
6.21 mi08:45:341:03:0810:1031:35
10:10
0:00
15K
9.32 mi09:17:481:35:2210:1432:14
10:23
+0:13
20K
12.43 mi09:51:002:08:3410:2133:12
10:42
+0:19
Half
13.10 mi09:58:522:16:2610:257:52
11:44
+1:02
25K
15.53 mi10:25:552:43:2910:3227:03
11:07
-0:37
30K
18.64 mi10:56:433:14:1710:2630:48
9:55
-1:12
35K
21.75 mi11:37:073:54:4110:4840:24
13:01
+3:06
25.2M
25.20 mi12:22:014:39:3511:0644:54
13:01
0:00
Finish
26.22 mi12:33:474:51:2111:0811:46
11:33
-1:28

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

9:55 /mi

Average Pace

11:07 /mi

Slowest Pace

13:01 /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

2:06:10

43% of race

Time at Steady Pace

1:12:01

25% of race

Time at Slower Pace

1:33:10

32% of race

Average Pace: 11:07 /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 mi08:13:5931:3310:1031:33
10:10
#1243
10K
6.21 mi08:45:341:03:0810:1031:35
10:10
#1213
15K
9.32 mi09:17:481:35:2210:1432:14
10:23
#1231
20K
12.43 mi09:51:002:08:3410:2133:12
10:42
#1260
Half
13.10 mi09:58:522:16:2610:257:52
11:44
#1284
25K
15.53 mi10:25:552:43:2910:3227:03
11:07
#1286
30K
18.64 mi10:56:433:14:1710:2630:48
9:55
#1264
35K
21.75 mi11:37:073:54:4110:4840:24
13:01
#1232
25.2M
25.20 mi12:22:014:39:3511:0644:54
13:01
#1269
Finish
26.22 mi12:33:474:51:2111:0811:46
11:33
#1272
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

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 mi1243408301278(Top 66%)424(Top 54%)30(Top 38%)
10K6.21 mi3.10 mi1213+30395+1327+31210(Top 62%)391(Top 49%)28(Top 35%)
15K9.32 mi3.11 mi1231-18403-828-11278(Top 66%)424(Top 54%)30(Top 38%)
20K12.43 mi3.11 mi1260-29417-14281353(Top 69%)474(Top 60%)34(Top 43%)
Half13.10 mi0.67 mi1284-24435-1833-51420(Top 73%)507(Top 64%)36(Top 46%)
25K15.53 mi2.43 mi1286-2434+131+21263(Top 65%)438(Top 55%)29(Top 37%)
30K18.64 mi3.11 mi1264+22428+6311225(Top 63%)441(Top 56%)35(Top 44%)
35K21.75 mi3.11 mi1232+32425+330+11166(Top 60%)432(Top 55%)37(Top 47%)
25.2M25.20 mi3.45 mi1269-37456-3133-31415(Top 73%)554(Top 70%)44(Top 56%)
Finish26.22 mi1.02 mi1272-3460-434-11425(Top 73%)563(Top 71%)43(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×1
+26ft-31ft

Overall

1278

Females

424

F45-49

30

5K→10K

3.1 - 6.2 mi

Top 62%
×2
+38ft-17ft

Overall

1210

Females

391

F45-49

28

10K→15K

6.2 - 9.3 mi

Top 66%
×2
+26ft-44ft

Overall

1278

Females

424

F45-49

30

15K→20K

9.3 - 12.4 mi

Top 69%
×1
+35ft-22ft

Overall

1353

Females

474

F45-49

34

20K→Half

12.4 - 13.1 mi

Top 73%
×1
+7ft-13ft

Overall

1420

Females

507

F45-49

36

Half→25K

13.1 - 15.5 mi

Top 65%
×2
+48ft-19ft

Overall

1263

Females

438

F45-49

29

25K→30K

15.5 - 18.6 mi

Top 63%
×2
+38ft-52ft

Overall

1225

Females

441

F45-49

35

30K→35K

18.6 - 21.8 mi

Top 60%
×2
+39ft-39ft

Overall

1166

Females

432

F45-49

37

35K→25.2M

21.8 - 25.2 mi

Top 73%
×3
+57ft-58ft

Overall

1415

Females

554

F45-49

44

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×1
+17ft-12ft

Overall

1425

Females

563

F45-49

43

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
180
Passed By
209
Net Change
-29
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1243
5K → 10K4414+30#1243#1213
10K → 15K1432-18#1213#1231
15K → 20K736-29#1231#1260
20K → Half933-24#1260#1284
Half → 25K1820-2#1284#1286
25K → 30K308+22#1286#1264
30K → 35K4412+32#1264#1232
35K → 25.2M1047-37#1232#1269
25.2M → Finish47-3#1269#1272
TOTALS180209-29
📊

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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