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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management
SHAMROCK MARATHON 2025

Hailey Byrd

Bib: 3300 •F •Age: 22

Raleigh, NC

Shamrock Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Age Group (F20-24)
#0 / 107
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
34:55
3.11 mi
Rank: #1617
Start → 5K
34:55 | 11:15/mi
10K
1:09:31
6.21 mi
Rank: #1565 (+52)
5K → 10K
34:36 | 11:09/mi
15K
1:43:54
9.32 mi
Rank: #1544 (+21)
10K → 15K
34:23 | 11:05/mi
20K
2:17:43
12.43 mi
Rank: #1510 (+34)
15K → 20K
33:49 | 10:54/mi
Half
2:25:34
13.10 mi
Rank: #1492 (+18)
20K → Half
7:51 | 11:42/mi
25K
2:52:55
15.53 mi
Rank: #1455 (+37)
Half → 25K
27:21 | 11:14/mi
30K
3:24:23
18.64 mi
Rank: #1423 (+32)
25K → 30K
31:28 | 10:08/mi
35K
4:04:49
21.75 mi
Rank: #1364 (+59)
30K → 35K
40:26 | 13:01/mi
25.2M
4:44:59
25.20 mi
Rank: #1341 (+23)
35K → 25.2M
40:10 | 11:39/mi
Finish
4:55:31
26.22 mi
Rank: #1332 (+9)
25.2M → Finish
10:32 | 10:21/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:25:34
Pace11:07 /mi
2nd Half
Distance13.12 mi
Time2:29:57
Pace11:26 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:19:2134:5511:1534:55
11:15
-
10K
6.21 mi08:53:571:09:3111:1234:36
11:09
-0:06
15K
9.32 mi09:28:201:43:5411:0934:23
11:05
-0:04
20K
12.43 mi10:02:092:17:4311:0533:49
10:54
-0:11
Half
13.10 mi10:10:002:25:3411:077:51
11:42
+0:48
25K
15.53 mi10:37:212:52:5511:0827:21
11:14
-0:28
30K
18.64 mi11:08:493:24:2310:5831:28
10:08
-1:06
35K
21.75 mi11:49:154:04:4911:1640:26
13:01
+2:53
25.2M
25.20 mi12:29:254:44:5911:1940:10
11:39
-1:22
Finish
26.22 mi12:39:574:55:3111:1710:32
10:21
-1:18

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

10:08 /mi

Average Pace

11:17 /mi

Slowest Pace

13:01 /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

42:00

14% of race

Time at Steady Pace

2:45:04

56% of race

Time at Slower Pace

1:28:27

30% of race

Average Pace: 11:16 /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 mi08:19:2134:5511:1534:55
11:15
#1617
10K
6.21 mi08:53:571:09:3111:1234:36
11:09
#1565
15K
9.32 mi09:28:201:43:5411:0934:23
11:05
#1544
20K
12.43 mi10:02:092:17:4311:0533:49
10:54
#1510
Half
13.10 mi10:10:002:25:3411:077:51
11:42
#1492
25K
15.53 mi10:37:212:52:5511:0827:21
11:14
#1455
30K
18.64 mi11:08:493:24:2310:5831:28
10:08
#1423
35K
21.75 mi11:49:154:04:4911:1640:26
13:01
#1364
25.2M
25.20 mi12:29:254:44:5911:1940:10
11:39
#1341
Finish
26.22 mi12:39:574:55:3111:1710:32
10:21
#1332
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi1617597911504(Top 77%)533(Top 67%)85(Top 79%)
10K6.21 mi3.10 mi1565+52566+3188+31524(Top 78%)547(Top 69%)86(Top 80%)
15K9.32 mi3.11 mi1544+21556+1087+11504(Top 77%)533(Top 67%)85(Top 79%)
20K12.43 mi3.11 mi1510+34538+1885+21413(Top 72%)501(Top 63%)83(Top 78%)
Half13.10 mi0.67 mi1492+18529+9851418(Top 73%)505(Top 64%)84(Top 79%)
25K15.53 mi2.43 mi1455+37516+1382+31297(Top 67%)457(Top 58%)80(Top 75%)
30K18.64 mi3.11 mi1423+32508+883-11289(Top 66%)474(Top 60%)75(Top 70%)
35K21.75 mi3.11 mi1364+59487+2180+31170(Top 60%)433(Top 55%)69(Top 64%)
25.2M25.20 mi3.45 mi1341+23486+179+11077(Top 55%)423(Top 53%)71(Top 66%)
Finish26.22 mi1.02 mi1332+9483+3791074(Top 55%)407(Top 51%)75(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×1
+26ft-31ft

Overall

1504

Females

533

F20-24

85

5K→10K

3.1 - 6.2 mi

Top 78%
×2
+38ft-17ft

Overall

1524

Females

547

F20-24

86

10K→15K

6.2 - 9.3 mi

Top 77%
×2
+26ft-44ft

Overall

1504

Females

533

F20-24

85

15K→20K

9.3 - 12.4 mi

Top 72%
×1
+35ft-22ft

Overall

1413

Females

501

F20-24

83

20K→Half

12.4 - 13.1 mi

Top 73%
×1
+7ft-13ft

Overall

1418

Females

505

F20-24

84

Half→25K

13.1 - 15.5 mi

Top 67%
×2
+48ft-19ft

Overall

1297

Females

457

F20-24

80

25K→30K

15.5 - 18.6 mi

Top 66%
×2
+38ft-52ft

Overall

1289

Females

474

F20-24

75

30K→35K

18.6 - 21.8 mi

Top 60%
×2
+39ft-39ft

Overall

1170

Females

433

F20-24

69

35K→25.2M

21.8 - 25.2 mi

Top 55%
×3
+57ft-58ft

Overall

1077

Females

423

F20-24

71

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×1
+17ft-12ft

Overall

1074

Females

407

F20-24

75

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
362
Passed By
77
Net Change
+285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1617
5K → 10K6816+52#1617#1565
10K → 15K4019+21#1565#1544
15K → 20K417+34#1544#1510
20K → Half180+18#1510#1492
Half → 25K469+37#1492#1455
25K → 30K364+32#1455#1423
30K → 35K645+59#1423#1364
35K → 25.2M3714+23#1364#1341
25.2M → Finish123+9#1341#1332
TOTALS36277+285
📊

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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