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MARINE CORPS MARATHON 2025

Jessica Seltzer

Washington, DC

Bib: 2983 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 12%
Gender (Female)
#0 / 12338
Top 6%
Division (F25-29)
#0 / 2322
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
8:52/mi
27:32
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:04/mi
52:36
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:05/mi
1:17:43
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:32/mi
1:49:30
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:18/mi
2:10:09
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:33/mi
2:36:44
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:43/mi
3:03:48
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:39/mi
3:30:39
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:16/mi
3:41:56
↑ 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
Time1:49:30
Pace8:23 /mi
2nd Half
Distance13.17 mi
Time1:52:26
Pace8:32 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:55:2927:328:5227:32
8:52
-
10K
6.21 mi08:20:3352:368:2825:04
8:04
-0:48
15K
9.32 mi08:45:401:17:438:2025:07
8:05
+0:01
21K
13.05 mi09:17:271:49:308:2331:47
8:32
+0:27
25K
15.53 mi09:38:062:10:098:2320:39
8:18
-0:14
30K
18.64 mi10:04:412:36:448:2426:35
8:33
+0:15
35K
21.75 mi10:31:453:03:488:2727:04
8:43
+0:10
40K
24.85 mi10:58:363:30:398:2926:51
8:39
-0:04
Finish
26.22 mi11:09:533:41:568:2811:17
8:16
-0:23

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

8:04 /mi

Average Pace

8:28 /mi

Slowest Pace

8:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:07

37% of race

Time at Steady Pace

2:19:49

63% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:28 /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 mi07:55:2927:328:5227:32
8:52
#4858
10K
6.21 mi08:20:3352:368:2825:04
8:04
#4436
15K
9.32 mi08:45:401:17:438:2025:07
8:05
#4186
21K
13.05 mi09:17:271:49:308:2331:47
8:32
#4329
25K
15.53 mi09:38:062:10:098:2320:39
8:18
#4347
30K
18.64 mi10:04:412:36:448:2426:35
8:33
#4217
35K
21.75 mi10:31:453:03:488:2727:04
8:43
#4029
40K
24.85 mi10:58:363:30:398:2926:51
8:39
#3737
Finish
26.22 mi11:09:533:41:568:2811:17
8:16
#3558
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi485810272763907(Top 13%)757(Top 6%)204(Top 9%)
10K6.21 mi3.10 mi4436+422893+134236+404183(Top 14%)821(Top 7%)214(Top 9%)
15K9.32 mi3.11 mi4186+250834+59217+193907(Top 13%)757(Top 6%)204(Top 9%)
21K13.05 mi3.73 mi4329-143872-38232-154898(Top 16%)1054(Top 9%)278(Top 12%)
25K15.53 mi2.48 mi4347-18896-24237-54758(Top 16%)1064(Top 9%)283(Top 12%)
30K18.64 mi3.11 mi4217+130891+5240-34085(Top 14%)915(Top 7%)241(Top 10%)
35K21.75 mi3.11 mi4029+188862+29235+53887(Top 13%)943(Top 8%)261(Top 11%)
40K24.85 mi3.10 mi3737+292812+50217+183035(Top 10%)764(Top 6%)213(Top 9%)
Finish26.22 mi1.37 mi3558+179786+26212+52069(Top 7%)481(Top 4%)145(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×18story building
+279ft-164ft

Overall

3907

Females

757

F25-29

757

5K→10K

3.1 - 6.2 mi

Top 14%
×11story building
+103ft-217ft

Overall

4183

Females

821

F25-29

821

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+51ft-55ft

Overall

3907

Females

757

F25-29

757

15K→21K

9.3 - 13.1 mi

Top 16%
×1story
+20ft-37ft

Overall

4898

Females

1054

F25-29

1054

21K→25K

13.1 - 15.5 mi

Top 16%
×2story building
+35ft-8ft

Overall

4758

Females

1064

F25-29

1064

25K→30K

15.5 - 18.6 mi

Top 14%
×2story building
+58ft-57ft

Overall

4085

Females

915

F25-29

915

30K→35K

18.6 - 21.8 mi

Top 13%
×2story building
+98ft-92ft

Overall

3887

Females

943

F25-29

943

35K→40K

21.8 - 24.9 mi

Top 10%
×2story building
+36ft-53ft

Overall

3035

Females

764

F25-29

764

40K→Finish

24.9 - 26.2 mi

Top 7%
×5story building
+80ft-24ft

Overall

2069

Females

481

F25-29

481

Passing Analysis

Category:
Athletes Passed
1897*
Passed By
597
Net Change
+1300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4858
5K → 10K482*60+422#4858#4436
10K → 15K295*45+250#4436#4186
15K → 21K73*216-143#4186#4329
21K → 25K87105-18#4329#4347
25K → 30K193*63+130#4347#4217
30K → 35K248*60+188#4217#4029
35K → 40K331*39+292#4029#3737
40K → Finish188*9+179#3737#3558
TOTALS1897*597+1300

* 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