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MARINE CORPS MARATHON 2025

Lauren Corbett

Billerica, MA

Bib: 3330 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 16%
Gender (Female)
#0 / 12338
Top 10%
Masters (Masters Women)
#0 / 5451
Top 5%
Division (F40-44)
#0 / 1527
Top 9%
Race Day Weather
42°/32°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
8:56/mi
27:45
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:19/mi
53:36
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:29/mi
1:19:56
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:48/mi
1:52:45
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:37/mi
2:14:09
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:58/mi
2:42:01
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:53/mi
3:09:38
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:06/mi
3:37:55
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:16/mi
3:50:33
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

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Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time1:52:45
Pace8:38 /mi
2nd Half
Distance13.17 mi
Time1:57:48
Pace8:57 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:52:1027:458:5627:45
8:56
-
10K
6.21 mi08:18:0153:368:3825:51
8:19
-0:37
15K
9.32 mi08:44:211:19:568:3526:20
8:29
+0:10
21K
13.05 mi09:17:101:52:458:3832:49
8:48
+0:19
25K
15.53 mi09:38:342:14:098:3821:24
8:37
-0:11
30K
18.64 mi10:06:262:42:018:4127:52
8:58
+0:21
35K
21.75 mi10:34:033:09:388:4327:37
8:53
-0:05
40K
24.85 mi11:02:203:37:558:4628:17
9:06
+0:13
Finish
26.22 mi11:14:583:50:338:4812:38
9:16
+0:10

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:19 /mi

Average Pace

8:48 /mi

Slowest Pace

9:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:37:55

95% of race

Time at Steady Pace

12:38

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:48 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi07:52:1027:458:5627:45
8:56
#5181
10K
6.21 mi08:18:0153:368:3825:51
8:19
#5101
15K
9.32 mi08:44:211:19:568:3526:20
8:29
#5252
21K
13.05 mi09:17:101:52:458:3832:49
8:48
#5490
25K
15.53 mi09:38:342:14:098:3821:24
8:37
#5543
30K
18.64 mi10:06:262:42:018:4127:52
8:58
#5480
35K
21.75 mi10:34:033:09:388:4327:37
8:53
#5205
40K
24.85 mi11:02:203:37:558:4628:17
9:06
#4922
Finish
26.22 mi11:14:583:50:338:4812:38
9:16
#4878
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi518111201285634(Top 19%)1250(Top 10%)139(Top 9%)
10K6.21 mi3.10 mi5101+801091+29130-25175(Top 17%)1077(Top 9%)130(Top 9%)
15K9.32 mi3.11 mi5252-1511127-36134-45634(Top 19%)1250(Top 10%)139(Top 9%)
21K13.05 mi3.73 mi5490-2381195-68138-46391(Top 21%)1496(Top 12%)167(Top 11%)
25K15.53 mi2.48 mi5543-531216-21140-26360(Top 21%)1539(Top 12%)173(Top 11%)
30K18.64 mi3.11 mi5480+631242-26141-15849(Top 19%)1468(Top 12%)162(Top 11%)
35K21.75 mi3.11 mi5205+2751222+20139+24592(Top 15%)1182(Top 10%)118(Top 8%)
40K24.85 mi3.10 mi4922+2831199+23133+64481(Top 15%)1277(Top 10%)128(Top 8%)
Finish26.22 mi1.37 mi4878+441203-4132+15081(Top 17%)1562(Top 13%)159(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×18story building
+279ft-164ft

Overall

5634

Females

1250

F40-44

1250

5K→10K

3.1 - 6.2 mi

Top 17%
×11story building
+103ft-217ft

Overall

5175

Females

1077

F40-44

1077

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+51ft-55ft

Overall

5634

Females

1250

F40-44

1250

15K→21K

9.3 - 13.1 mi

Top 21%
×1story
+20ft-37ft

Overall

6391

Females

1496

F40-44

1496

21K→25K

13.1 - 15.5 mi

Top 21%
×2story building
+35ft-8ft

Overall

6360

Females

1539

F40-44

1539

25K→30K

15.5 - 18.6 mi

Top 19%
×2story building
+58ft-57ft

Overall

5849

Females

1468

F40-44

1468

30K→35K

18.6 - 21.8 mi

Top 15%
×2story building
+98ft-92ft

Overall

4592

Females

1182

F40-44

1182

35K→40K

21.8 - 24.9 mi

Top 15%
×2story building
+36ft-53ft

Overall

4481

Females

1277

F40-44

1277

40K→Finish

24.9 - 26.2 mi

Top 17%
×5story building
+80ft-24ft

Overall

5081

Females

1562

F40-44

1562

Passing Analysis

Category:
Athletes Passed
1616*
Passed By
1313
Net Change
+303
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5181
5K → 10K280*200+80#5181#5101
10K → 15K90*241-151#5101#5252
15K → 21K77*315-238#5252#5490
21K → 25K115168-53#5490#5543
25K → 30K217*154+63#5543#5480
30K → 35K353*78+275#5480#5205
35K → 40K368*85+283#5205#4922
40K → Finish116*72+44#4922#4878
TOTALS1616*1313+303

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

📊

Passing Visuals

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