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MARINE CORPS MARATHON 2025

Laura Jacobs

Somerville, MA

Bib: 29025 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 45%
Gender (Female)
#0 / 12338
Top 36%
Division (F30-34)
#0 / 1621
Top 41%
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
10:41/mi
33:11
↑ 279↓ 164
10K· 6.21 mi
10:08/mi
1:04:40
↑ 103↓ 217
15K· 9.32 mi
10:15/mi
1:36:30
↑ 51↓ 55
21K· 13.05 mi
10:23/mi
2:15:13
↑ 20↓ 37
25K· 15.53 mi
10:17/mi
2:40:47
↑ 35
30K· 18.64 mi
10:46/mi
3:14:15
↑ 58↓ 57
35K· 21.75 mi
10:34/mi
3:47:04
↑ 98↓ 92
40K· 24.85 mi
10:45/mi
4:20:29
↑ 36↓ 53
Finish· 26.22 mi
10:55/mi
4:35:23
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:15:1310:22 /mi⚡ faster
2nd Half
2:20:1010:39 /mi+3.7%
Positive split — 3.7% 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
33:1110:413.11 mi33:11
10:41
-
10K
1:04:4010:243.10 mi31:29
10:08
-0:33
15K
1:36:3010:213.11 mi31:50
10:15
+0:07
21K
2:15:1310:223.73 mi38:43
10:23
+0:08
25K
2:40:4710:212.48 mi25:34
10:17
-0:06
30K
3:14:1510:253.11 mi33:28
10:46
+0:29
35K
3:47:0410:263.11 mi32:49
10:34
-0:12
40K
4:20:2910:293.10 mi33:25
10:45
+0:11
Finish(26.22 mi)
4:35:2310:311.37 mi14:54
10:55
+0:10
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:08 /mi

Average Pace

10:31 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:40:25

58% of race

Time at Steady Pace

1:54:58

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:30 /mi

Loading chart...
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 mi159965172747162145281777
10K3.10 mi16247-2515256-84761-14165855392777
15K3.11 mi16115+1325198+58757+4162145281777
21K3.73 mi15663+4525026+172740+17151894884718
25K2.48 mi15391+2724955+71735+5149444974742
30K3.11 mi14961+4304874+81722+13138264689709
35K3.11 mi14150+8114648+226684+38113223915592
40K3.10 mi13491+6594483+165666+18105813846574
Finish(26.22 mi)1.37 mi13334+1574455+28659+7115844394677

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×18story building
+279ft-164ft

Overall

16214

Females

5281

F30-34

5281

5K→10K

3.1 - 6.2 mi

Top 55%
×11story building
+103ft-217ft

Overall

16585

Females

5392

F30-34

5392

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+51ft-55ft

Overall

16214

Females

5281

F30-34

5281

15K→21K

9.3 - 13.1 mi

Top 51%
×1story
+20ft-37ft

Overall

15189

Females

4884

F30-34

4884

21K→25K

13.1 - 15.5 mi

Top 50%
×2story building
+35ft-8ft

Overall

14944

Females

4974

F30-34

4974

25K→30K

15.5 - 18.6 mi

Top 46%
×2story building
+58ft-57ft

Overall

13826

Females

4689

F30-34

4689

30K→35K

18.6 - 21.8 mi

Top 38%
×2story building
+98ft-92ft

Overall

11322

Females

3915

F30-34

3915

35K→40K

21.8 - 24.9 mi

Top 35%
×2story building
+36ft-53ft

Overall

10581

Females

3846

F30-34

3846

40K→Finish

24.9 - 26.2 mi

Top 39%
×5story building
+80ft-24ft

Overall

11584

Females

4394

F30-34

4394

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#15996
5K → 10K
572321*-251
#15996 → #16247
10K → 15K
257389*+132
#16247 → #16115
15K → 21K
183635*+452
#16115 → #15663
21K → 25K
161433*+272
#15663 → #15391
25K → 30K
159589*+430
#15391 → #14961
30K → 35K
55866*+811
#14961 → #14150
35K → 40K
74733*+659
#14150 → #13491
40K → Finish
56213*+157
#13491 → #13334
TOTALS
15174179*+2662
#15996 → #13334

* 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