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SHAMROCK MARATHON 2025

David Korte

Bib: 714•M•Age: 20

Ashburn, VA

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0:00
0:00
/ mi
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Overall
#0 / 1949
Top 6%
Gender (Male)
#0 / 1153
Top 8%
Age Group (M20-24)
Official
#0 / 127
Calculated (M20-24)
#0 / 127
Top 7%
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· 3.11 mi
22:15
Rank: #133
Start → 5K
22:15 | 7:10/mi
10K· 6.21 mi
44:44
Rank: #128 (+5)
5K → 10K
22:29 | 7:15/mi
15K· 9.32 mi
1:07:18
Rank: #128
10K → 15K
22:34 | 7:16/mi
20K· 12.43 mi
1:29:39
Rank: #127 (+1)
15K → 20K
22:21 | 7:12/mi
Half· 13.10 mi
1:34:53
Rank: #125 (+2)
20K → Half
5:14 | 7:48/mi
25K· 15.53 mi
1:52:43
Rank: #138 (-13)
Half → 25K
17:50 | 7:20/mi
30K· 18.64 mi
2:12:41
Rank: #132 (+6)
25K → 30K
19:58 | 6:26/mi
35K· 21.75 mi
2:37:59
Rank: #118 (+14)
30K → 35K
25:18 | 8:09/mi
25.2M
3:03:47
Rank: #110 (+8)
35K → 25.2M
25:48 | 7:29/mi
Finish· 26.22 mi
3:11:00
Rank: #110
25.2M → Finish
7:13 | 7:05/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time1:34:53
Pace7:15 /mi
2nd Half
Distance13.12 mi
Time1:36:07
Pace7:20 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:54:4422:157:1022:15
7:10
-
10K
6.21 mi08:17:1344:447:1222:29
7:15
+0:05
15K
9.32 mi08:39:471:07:187:1422:34
7:16
+0:01
20K
12.43 mi09:02:081:29:397:1322:21
7:12
-0:04
Half
13.10 mi09:07:221:34:537:155:14
7:48
+0:36
25K
15.53 mi09:25:121:52:437:1617:50
7:20
-0:28
30K
18.64 mi09:45:102:12:417:0819:58
6:26
-0:54
35K
21.75 mi10:10:282:37:597:1625:18
8:09
+1:43
25.2M
25.20 mi10:36:163:03:477:1825:48
7:29
-0:40
Finish
26.22 mi10:43:293:11:007:187:13
7:05
-0:24

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

6:26 /mi

Average Pace

7:17 /mi

Slowest Pace

8:09 /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

19:58

10% of race

Time at Steady Pace

1:54:42

60% of race

Time at Slower Pace

56:20

29% of race

Average Pace: 7:17 /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 mi07:54:4422:157:1022:15
7:10
#133
10K
6.21 mi08:17:1344:447:1222:29
7:15
#128
15K
9.32 mi08:39:471:07:187:1422:34
7:16
#128
20K
12.43 mi09:02:081:29:397:1322:21
7:12
#127
Half
13.10 mi09:07:221:34:537:155:14
7:48
#125
25K
15.53 mi09:25:121:52:437:1617:50
7:20
#138
30K
18.64 mi09:45:102:12:417:0819:58
6:26
#132
35K
21.75 mi10:10:282:37:597:1625:18
8:09
#118
25.2M
25.20 mi10:36:163:03:477:1825:48
7:29
#110
Finish
26.22 mi10:43:293:11:007:187:13
7:05
#110
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-24Seg. OverallSeg. MalesSeg. M20-24
5K3.11 mi3.11 mi13311612138(Top 7%)121(Top 10%)11(Top 9%)
10K6.21 mi3.10 mi128+5112+412129(Top 7%)112(Top 10%)12(Top 9%)
15K9.32 mi3.11 mi12811212138(Top 7%)121(Top 10%)11(Top 9%)
20K12.43 mi3.11 mi127+1110+211+1144(Top 7%)126(Top 11%)12(Top 9%)
Half13.10 mi0.67 mi125+2108+211150(Top 8%)129(Top 11%)14(Top 11%)
25K15.53 mi2.43 mi138-13121-1312-1116(Top 6%)103(Top 9%)13(Top 10%)
30K18.64 mi3.11 mi132+6115+611+1115(Top 6%)102(Top 9%)11(Top 9%)
35K21.75 mi3.11 mi118+14104+1110+192(Top 5%)83(Top 7%)11(Top 9%)
25.2M25.20 mi3.45 mi110+897+79+181(Top 4%)68(Top 6%)9(Top 7%)
Finish26.22 mi1.02 mi11096+1998(Top 5%)80(Top 7%)13(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×1story
+26ft-31ft

Overall

138

Males

121

M20-24

11

5K→10K

3.1 - 6.2 mi

Top 7%
×2stories
+38ft-17ft

Overall

129

Males

112

M20-24

12

10K→15K

6.2 - 9.3 mi

Top 7%
×2stories
+26ft-44ft

Overall

138

Males

121

M20-24

11

15K→20K

9.3 - 12.4 mi

Top 7%
×1story
+35ft-22ft

Overall

144

Males

126

M20-24

12

20K→Half

12.4 - 13.1 mi

Top 8%
×1human
+7ft-13ft

Overall

150

Males

129

M20-24

14

Half→25K

13.1 - 15.5 mi

Top 6%
×2stories
+48ft-19ft

Overall

116

Males

103

M20-24

13

25K→30K

15.5 - 18.6 mi

Top 6%
×2stories
+38ft-52ft

Overall

115

Males

102

M20-24

11

30K→35K

18.6 - 21.8 mi

Top 5%
×2humans
+39ft-39ft

Overall

92

Males

83

M20-24

11

35K→25.2M

21.8 - 25.2 mi

Top 4%
×3stories
+57ft-58ft

Overall

81

Males

68

M20-24

9

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×1human
+17ft-12ft

Overall

98

Males

80

M20-24

13

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
52
Passed By
29
Net Change
+23
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#133
5K → 10K72+5#133#128
10K → 15K440#128#128
15K → 20K32+1#128#127
20K → Half20+2#127#125
Half → 25K215-13#125#138
25K → 30K60+6#138#132
30K → 35K173+14#132#118
35K → 25.2M102+8#118#110
25.2M → Finish110#110#110
TOTALS5229+23
📊

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

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🏆 Finisher Certificate
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Activity Data

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Official Timing Data

J & A Racing

J & A Racing

Big River Race Management

Big River Race Management