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SHAMROCK MARATHON 2026

Eddie Chen

Ashburn, VA

Bib: 558 M 45

0:00
0:00
/ mi
Masters
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Overall
#0 / 2429
Top 0.9%
Gender (Male)
#0 / 1480
Top 1%
Masters (Masters Men)
#0 / 477
Top 0.4%
Division (M45-49)
#0 / 106
Top 0.9%
Race Day Weather
55°/45°F
few clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
7 ft elev
5K· 3.11 mi
6:17/mi
19:32
↑ 26↓ 31
1 ft elev
10K· 6.21 mi
6:19/mi
39:09
↑ 38↓ 170.1%
22 ft elev
15K· 9.32 mi
6:17/mi
58:41
↑ 26↓ 440.1%
5 ft elev
20K· 12.43 mi
6:15/mi
1:18:07
↑ 35↓ 22
17 ft elev
Half· 13.10 mi
6:29/mi
1:22:28
↓ 130.2%
11 ft elev
30K· 18.64 mi
6:23/mi
1:57:49
↑ 86↓ 72
25 ft elev
35K· 21.75 mi
7:01/mi
2:19:37
↑ 39↓ 39
25 ft elev
25.2M
6:31/mi
2:42:07
↑ 57↓ 58
24 ft elev
Finish· 26.22 mi
6:03/mi
2:48:17
↑ 17↓ 12
28 ft elev
Course Elevation
-8–55 ft
≈
×5story building
•▲ 331 ft climb · ▼ 310 ft descent

The Course

Half Splits

1st Half· via Half
1:22:286:18 /mi⚡ faster
2nd Half
1:25:496:32 /mi+4.1%
Positive split — 4.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:326:173.11 mi19:32
6:17
-
10K
39:096:183.10 mi19:37
6:19
+0:02
15K
58:416:183.11 mi19:32
6:17
-0:02
20K
1:18:076:173.11 mi19:26
6:15
-0:02
Half(13.10 mi)
1:22:286:180.67 mi4:21
6:29
+0:14
30K
1:57:496:195.54 mi35:21
6:23
-0:06
35K
2:19:376:253.11 mi21:48
7:01
+0:38
25.2M
2:42:076:263.45 mi22:30
6:31
-0:30
Finish(26.22 mi)
2:48:176:251.02 mi6:10
6:03
-0:28
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:03 /mi

Average Pace

6:25 /mi

Slowest Pace

7:01 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:26:29

87% of race

Time at Steady Pace

21:48

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:25 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesMasters MenSeg. OverallSeg. MalesSeg. Masters Men
5K3.11 mi3837228282
10K3.10 mi35+335+2237373
15K3.11 mi32+332+3228282
20K3.11 mi26+626+6224232
Half(13.10 mi)0.67 mi32-632-63-146463
30K5.54 mi34-234-2346463
35K3.11 mi31+331+3333322
25.2M3.45 mi25+625+6320202
Finish(26.22 mi)1.02 mi22+322+32+116162

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×1story
+26ft-31ft

Overall

28

Males

28

M45-49

1

5K→10K

3.1 - 6.2 mi

Top 2%
×2story building
+38ft-17ft

Overall

37

Males

37

M45-49

1

10K→15K

6.2 - 9.3 mi

Top 1%
×2story building
+26ft-44ft

Overall

28

Males

28

M45-49

1

15K→20K

9.3 - 12.4 mi

Top 1.0%
×1story
+35ft-22ft

Overall

24

Males

23

M45-49

1

20K→Half

12.4 - 13.1 mi

Top 2%
×1human
+7ft-13ft

Overall

46

Males

46

M45-49

1

Half→30K

13.1 - 18.6 mi

Top 2%
×2story building
+86ft-72ft

Overall

46

Males

46

M45-49

1

30K→35K

18.6 - 21.8 mi

Top 1%
×2stacked humans
+39ft-39ft

Overall

33

Males

32

M45-49

1

35K→25.2M

21.8 - 25.2 mi

Top 0.8%
×3story building
+57ft-58ft

Overall

20

Males

20

M45-49

1

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×1human
+17ft-12ft

Overall

16

Males

16

M45-49

1

Passing Analysis

Category:
Passed
30*
Passed By
14
Net Change
+16
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#38
5K → 10K41+3#38#35
10K → 15K41+3#35#32
15K → 20K60+6#32#26
20K → Half1*7-6#26#32
Half → 30K13-2#32#34
30K → 35K41+3#34#31
35K → 25.2M7*1+6#31#25
25.2M → Finish30+3#25#22
TOTALS30*14+16

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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