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MARINE CORPS MARATHON 2025

Serenity Marek

Spokane, WA

Bib: 9863 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 2%
Gender (Female)
#0 / 12338
Top 0.3%
Division (F14-19)
#0 / 127
Top 0.8%
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
7:23/mi
22:56
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
6:42/mi
43:44
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
6:41/mi
1:04:29
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
6:53/mi
1:30:08
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
6:41/mi
1:46:45
↑ 350.2%
30 ft elev
30K· 18.64 mi
6:56/mi
2:08:16
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
7:02/mi
2:30:07
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
7:21/mi
2:52:56
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
7:20/mi
3:02:56
↑ 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
Time1:30:08
Pace6:54 /mi
2nd Half
Distance13.17 mi
Time1:32:48
Pace7:03 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:43:3422:567:2322:56
7:23
-
10K
6.21 mi08:04:2243:447:0220:48
6:42
-0:41
15K
9.32 mi08:25:071:04:296:5520:45
6:41
-0:01
21K
13.05 mi08:50:461:30:086:5425:39
6:53
+0:12
25K
15.53 mi09:07:231:46:456:5216:37
6:41
-0:12
30K
18.64 mi09:28:542:08:166:5321:31
6:56
+0:15
35K
21.75 mi09:50:452:30:076:5421:51
7:02
+0:06
40K
24.85 mi10:13:342:52:566:5722:49
7:21
+0:19
Finish
26.22 mi10:23:343:02:566:5910:00
7:20
-0:01

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

6:41 /mi

Average Pace

6:59 /mi

Slowest Pace

7:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:00

87% of race

Time at Steady Pace

22:56

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:59 /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 mi07:43:3422:567:2322:56
7:23
#784
10K
6.21 mi08:04:2243:447:0220:48
6:42
#704
15K
9.32 mi08:25:071:04:296:5520:45
6:41
#648
21K
13.05 mi08:50:461:30:086:5425:39
6:53
#629
25K
15.53 mi09:07:231:46:456:5216:37
6:41
#606
30K
18.64 mi09:28:542:08:166:5321:31
6:56
#554
35K
21.75 mi09:50:452:30:076:5421:51
7:02
#522
40K
24.85 mi10:13:342:52:566:5722:49
7:21
#506
Finish
26.22 mi10:23:343:02:566:5910:00
7:20
#493
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF14-19Seg. OverallSeg. FemalesSeg. F14-19
5K3.11 mi3.11 mi784771510(Top 2%)33(Top 0.3%)1(Top 0.8%)
10K6.21 mi3.10 mi704+8058+191615(Top 2%)40(Top 0.3%)1(Top 0.8%)
15K9.32 mi3.11 mi648+5650+81510(Top 2%)33(Top 0.3%)1(Top 0.8%)
21K13.05 mi3.73 mi629+1945+51555(Top 2%)34(Top 0.3%)1(Top 0.8%)
25K15.53 mi2.48 mi606+2344+11560(Top 2%)34(Top 0.3%)1(Top 0.8%)
30K18.64 mi3.11 mi554+5238+61522(Top 2%)38(Top 0.3%)1(Top 0.8%)
35K21.75 mi3.11 mi522+3234+41492(Top 2%)33(Top 0.3%)1(Top 0.8%)
40K24.85 mi3.10 mi506+1635-11652(Top 2%)69(Top 0.6%)2(Top 2%)
Finish26.22 mi1.37 mi493+1336-11587(Top 2%)75(Top 0.6%)1(Top 0.8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×18story building
+279ft-164ft

Overall

510

Females

33

F14-19

33

5K→10K

3.1 - 6.2 mi

Top 2%
×11story building
+103ft-217ft

Overall

615

Females

40

F14-19

40

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+51ft-55ft

Overall

510

Females

33

F14-19

33

15K→21K

9.3 - 13.1 mi

Top 2%
×1story
+20ft-37ft

Overall

555

Females

34

F14-19

34

21K→25K

13.1 - 15.5 mi

Top 2%
×2story building
+35ft-8ft

Overall

560

Females

34

F14-19

34

25K→30K

15.5 - 18.6 mi

Top 2%
×2story building
+58ft-57ft

Overall

522

Females

38

F14-19

38

30K→35K

18.6 - 21.8 mi

Top 2%
×2story building
+98ft-92ft

Overall

492

Females

33

F14-19

33

35K→40K

21.8 - 24.9 mi

Top 2%
×2story building
+36ft-53ft

Overall

652

Females

69

F14-19

69

40K→Finish

24.9 - 26.2 mi

Top 2%
×5story building
+80ft-24ft

Overall

587

Females

75

F14-19

75

Passing Analysis

Category:
Athletes Passed
345*
Passed By
54
Net Change
+291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#784
5K → 10K9111+80#784#704
10K → 15K615+56#704#648
15K → 21K28*9+19#648#629
21K → 25K285+23#629#606
25K → 30K54*2+52#606#554
30K → 35K386+32#554#522
35K → 40K2913+16#522#506
40K → Finish16*3+13#506#493
TOTALS345*54+291

* 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