Capital Road Race Management
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SHAMROCK MARATHON 2025

Debra Cheng

Kensington, MD

Bib: 2819 F 61

0:00
0:00
/ mi
Masters
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Overall
#0 / 1949
Gender (Female)
#0 / 791
Masters (Masters Women)
#0 / 277
Division (F60-64)
#0 / 12
Race Day Weather
71°/61°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
7 ft elev
5K· 3.11 mi
11:40/mi
36:14
↑ 26↓ 31
1 ft elev
10K· 6.21 mi
12:31/mi
1:15:07
↑ 38↓ 170.1%
22 ft elev
15K· 9.32 mi
13:33/mi
1:57:12
↑ 26↓ 440.1%
5 ft elev
20K· 12.43 mi
14:05/mi
2:40:55
↑ 35↓ 22
17 ft elev
Half· 13.10 mi
15:05/mi
2:51:02
↓ 130.2%
11 ft elev
25K· 15.53 mi
15:00/mi
3:27:34
↑ 48↓ 190.2%
38 ft elev
30K· 18.64 mi
14:38/mi
4:12:59
↑ 38↓ 52
25 ft elev
35K· 21.75 mi
17:50/mi
5:08:21
↑ 39↓ 39
25 ft elev
25.2M
15:38/mi
6:02:17
↑ 57↓ 58
24 ft elev
Finish· 26.22 mi
15:24/mi
6:17:58
↑ 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
2:51:0213:04 /mi⚡ faster
2nd Half
3:26:5715:47 /mi+21.0%
Positive split — 21.0% 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
36:1411:403.11 mi36:14
11:40
-
10K
1:15:0712:063.10 mi38:53
12:31
+0:51
15K
1:57:1212:353.11 mi42:05
13:33
+1:02
20K
2:40:5512:573.11 mi43:43
14:05
+0:32
Half(13.10 mi)
2:51:0213:040.67 mi10:07
15:05
+1:00
25K
3:27:3413:222.43 mi36:32
15:00
-0:05
30K
4:12:5913:353.11 mi45:25
14:38
-0:22
35K
5:08:2114:113.11 mi55:22
17:50
+3:12
25.2M
6:02:1714:233.45 mi53:56
15:38
-2:12
Finish(26.22 mi)
6:17:5814:261.02 mi15:41
15:24
-0:14
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:40 /mi

Average Pace

14:26 /mi

Slowest Pace

17:50 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:40:55

43% of race

Time at Steady Pace

2:41:41

43% of race

Time at Slower Pace

55:22

15% of race

Average Pace: 14:25 /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. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi17256468187874410
10K3.10 mi1765-40671-259-1180569810
15K3.11 mi1814-49699-2810-1187874410
20K3.11 mi1843-29718-1910187674710
Half(13.10 mi)0.67 mi1836+7717+110186675010
25K2.43 mi1852-16728-1110184874111
30K3.11 mi1871-19740-1210190977512
35K3.11 mi1872-1746-610181472910
25.2M3.45 mi1868+4744+210179572510
Finish(26.22 mi)1.02 mi1869-1746-210188276410

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×1story
+26ft-31ft

Overall

1878

Females

744

F60-64

10

5K→10K

3.1 - 6.2 mi

Top 93%
×2story building
+38ft-17ft

Overall

1805

Females

698

F60-64

10

10K→15K

6.2 - 9.3 mi

Top 96%
×2story building
+26ft-44ft

Overall

1878

Females

744

F60-64

10

15K→20K

9.3 - 12.4 mi

Top 96%
×1story
+35ft-22ft

Overall

1876

Females

747

F60-64

10

20K→Half

12.4 - 13.1 mi

Top 96%
×1human
+7ft-13ft

Overall

1866

Females

750

F60-64

10

Half→25K

13.1 - 15.5 mi

Top 95%
×2story building
+48ft-19ft

Overall

1848

Females

741

F60-64

11

25K→30K

15.5 - 18.6 mi

Top 98%
×2story building
+38ft-52ft

Overall

1909

Females

775

F60-64

12

30K→35K

18.6 - 21.8 mi

Top 93%
×2stacked humans
+39ft-39ft

Overall

1814

Females

729

F60-64

10

35K→25.2M

21.8 - 25.2 mi

Top 92%
×3story building
+57ft-58ft

Overall

1795

Females

725

F60-64

10

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×1human
+17ft-12ft

Overall

1882

Females

764

F60-64

10

Passing Analysis

Category:
Passed
51
Passed By
195
Net Change
-144
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1725
5K → 10K1353-40#1725#1765
10K → 15K251-49#1765#1814
15K → 20K130-29#1814#1843
20K → Half114+7#1843#1836
Half → 25K824-16#1836#1852
25K → 30K019-19#1852#1871
30K → 35K89-1#1871#1872
35K → 25.2M73+4#1872#1868
25.2M → Finish12-1#1868#1869
TOTALS51195-144

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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BQ

Boston Qualifying analysis available

Finisher Certificate
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Questions or issues regarding timing data?

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Contact Race Support