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MARINE CORPS MARATHON 2025

Katherine Shambo

Winthrop, MA

Bib: 28333 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 39%
Gender (Female)
#0 / 12338
Top 30%
Division (F30-34)
#0 / 1621
Top 35%
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
11:03/mi
34:21
↑ 279↓ 164
10K· 6.21 mi
10:17/mi
1:06:17
↑ 103↓ 217
15K· 9.32 mi
10:02/mi
1:37:28
↑ 51↓ 55
21K· 13.05 mi
10:07/mi
2:15:11
↑ 20↓ 37
25K· 15.53 mi
9:45/mi
2:39:26
↑ 35
30K· 18.64 mi
10:12/mi
3:11:07
↑ 58↓ 57
35K· 21.75 mi
10:06/mi
3:42:30
↑ 98↓ 92
40K· 24.85 mi
9:55/mi
4:13:19
↑ 36↓ 53
Finish· 26.22 mi
9:31/mi
4:26:18
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:15:1110:22 /mi+3.0%
2nd Half
2:11:079:57 /mi✓ faster
Negative split — 3.0% faster 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
34:2111:033.11 mi34:21
11:03
-
10K
1:06:1710:403.10 mi31:56
10:17
-0:46
15K
1:37:2810:273.11 mi31:11
10:02
-0:15
21K
2:15:1110:223.73 mi37:43
10:07
+0:05
25K
2:39:2610:162.48 mi24:15
9:45
-0:22
30K
3:11:0710:153.11 mi31:41
10:12
+0:27
35K
3:42:3010:143.11 mi31:23
10:06
-0:06
40K
4:13:1910:123.10 mi30:49
9:55
-0:11
Finish(26.22 mi)
4:26:1810:101.37 mi12:59
9:31
-0:24
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:31 /mi

Average Pace

10:10 /mi

Slowest Pace

11:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:51:57

87% of race

Time at Steady Pace

34:21

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:09 /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. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi184966313917149524743695
10K3.10 mi18020+4766066+247862+55176485880843
15K3.11 mi16832+11885504+562791+71149524743695
21K3.73 mi15646+11865019+485737+54138344297628
25K2.48 mi14896+7504751+268696+41124293862573
30K3.11 mi14076+8204491+260659+37113843624547
35K3.11 mi13113+9634203+288623+3695023099469
40K3.10 mi12046+10673884+319575+4874682487377
Finish(26.22 mi)1.37 mi11643+4033748+136560+1560571965300

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×18story building
+279ft-164ft

Overall

14952

Females

4743

F30-34

4743

5K→10K

3.1 - 6.2 mi

Top 59%
×11story building
+103ft-217ft

Overall

17648

Females

5880

F30-34

5880

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+51ft-55ft

Overall

14952

Females

4743

F30-34

4743

15K→21K

9.3 - 13.1 mi

Top 46%
×1story
+20ft-37ft

Overall

13834

Females

4297

F30-34

4297

21K→25K

13.1 - 15.5 mi

Top 41%
×2story building
+35ft-8ft

Overall

12429

Females

3862

F30-34

3862

25K→30K

15.5 - 18.6 mi

Top 38%
×2story building
+58ft-57ft

Overall

11384

Females

3624

F30-34

3624

30K→35K

18.6 - 21.8 mi

Top 32%
×2story building
+98ft-92ft

Overall

9502

Females

3099

F30-34

3099

35K→40K

21.8 - 24.9 mi

Top 25%
×2story building
+36ft-53ft

Overall

7468

Females

2487

F30-34

2487

40K→Finish

24.9 - 26.2 mi

Top 20%
×5story building
+80ft-24ft

Overall

6057

Females

1965

F30-34

1965

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#18496
5K → 10K
255731*+476
#18496 → #18020
10K → 15K
271215*+1188
#18020 → #16832
15K → 21K
361222*+1186
#16832 → #15646
21K → 25K
14764*+750
#15646 → #14896
25K → 30K
27847*+820
#14896 → #14076
30K → 35K
26989*+963
#14076 → #13113
35K → 40K
161083*+1067
#13113 → #12046
40K → Finish
13416*+403
#12046 → #11643
TOTALS
4147267*+6853
#18496 → #11643

* 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