Marguerita Cheng

Potomac, MD

Bib: 21417 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Top 47%
Masters (Masters Women)
#0 / 5451
Top 35%
Division (F55-59)
#0 / 873
Top 28%
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:24/mi
35:26
279164
10K· 6.21 mi
10:44/mi
1:08:46
103217
15K· 9.32 mi
10:30/mi
1:41:24
5155
21K· 13.05 mi
10:36/mi
2:20:54
2037
25K· 15.53 mi
10:07/mi
2:46:03
35
30K· 18.64 mi
10:47/mi
3:19:32
5857
35K· 21.75 mi
11:13/mi
3:54:24
9892
40K· 24.85 mi
12:35/mi
4:33:29
3653
Finish· 26.22 mi
12:56/mi
4:51:07
8024
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:20:5410:48 /mi⚡ faster
2nd Half
2:30:1211:24 /mi+6.6%
Positive split — 6.6% 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
35:2611:243.11 mi35:26
11:24
-
10K
1:08:4611:043.10 mi33:20
10:44
-0:40
15K
1:41:2410:533.11 mi32:38
10:30
-0:14
21K
2:20:5410:483.73 mi39:30
10:36
+0:06
25K
2:46:0310:412.48 mi25:09
10:07
-0:29
30K
3:19:3210:423.11 mi33:29
10:47
+0:40
35K
3:54:2410:473.11 mi34:52
11:13
+0:26
40K
4:33:2911:003.10 mi39:05
12:35
+1:22
Finish(26.22 mi)
4:51:0711:071.37 mi17:38
12:56
+0:21
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:07 /mi

Average Pace

11:07 /mi

Slowest Pace

12:56 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

25:09

9% of race

Time at Steady Pace

2:53:49

60% of race

Time at Slower Pace

1:32:09

32% of race

Average Pace: 11:06 /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. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi207037364354178826010255
10K3.10 mi20591+1127296+68351+3205927293353
15K3.11 mi19573+10186812+484321+30178826010255
21K3.73 mi18312+12616223+589289+32163135392208
25K2.48 mi17410+9025843+380248+41141514627161
30K3.11 mi16482+9285551+292227+21138644709179
35K3.11 mi15907+5755426+125216+11138975096190
40K3.10 mi16102-1955635-209232-16170856781316
Finish(26.22 mi)1.37 mi16319-2175791-156242-10189707531359

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×18story building
+279ft-164ft

Overall

17882

Females

6010

F55-59

6010

5K→10K

3.1 - 6.2 mi

Top 69%
×11story building
+103ft-217ft

Overall

20592

Females

7293

F55-59

7293

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+51ft-55ft

Overall

17882

Females

6010

F55-59

6010

15K→21K

9.3 - 13.1 mi

Top 54%
×1story
+20ft-37ft

Overall

16313

Females

5392

F55-59

5392

21K→25K

13.1 - 15.5 mi

Top 47%
×2story building
+35ft-8ft

Overall

14151

Females

4627

F55-59

4627

25K→30K

15.5 - 18.6 mi

Top 46%
×2story building
+58ft-57ft

Overall

13864

Females

4709

F55-59

4709

30K→35K

18.6 - 21.8 mi

Top 46%
×2story building
+98ft-92ft

Overall

13897

Females

5096

F55-59

5096

35K→40K

21.8 - 24.9 mi

Top 57%
×2story building
+36ft-53ft

Overall

17085

Females

6781

F55-59

6781

40K→Finish

24.9 - 26.2 mi

Top 63%
×5story building
+80ft-24ft

Overall

18970

Females

7531

F55-59

7531

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#20703
5K10K
407519*+112
#20703 #20591
10K15K
621080*+1018
#20591 #19573
15K21K
441305*+1261
#19573 #18312
21K25K
24926*+902
#18312 #17410
25K30K
56984*+928
#17410 #16482
30K35K
116691*+575
#16482 #15907
35K40K
457262*-195
#15907 #16102
40KFinish
28063*-217
#16102 #16319
TOTALS
14465830*+4384
#20703 #16319

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

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions