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MARINE CORPS MARATHON 2025

Claire Belcher

Fairfax, VA

Bib: 35580 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 37%
Gender (Female)
#0 / 12338
Top 29%
Division (F25-29)
#0 / 2322
Top 39%
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
10:32/mi
32:43
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:01/mi
1:03:51
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:51/mi
1:34:26
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:02/mi
2:11:49
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:38/mi
2:35:45
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:00/mi
3:06:50
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:09/mi
3:38:23
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:10/mi
4:09:58
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:00/mi
4:23:37
↑ 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 21K⚖️ Balanced
Distance13.05 mi
Time2:11:49
Pace10:06 /mi
2nd Half⚖️ Balanced
Distance13.17 mi
Time2:11:48
Pace10:00 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:15:3932:4310:3232:43
10:32
-
10K
6.21 mi08:46:471:03:5110:1731:08
10:01
-0:31
15K
9.32 mi09:17:221:34:2610:0830:35
9:51
-0:10
21K
13.05 mi09:54:452:11:4910:0637:23
10:02
+0:11
25K
15.53 mi10:18:412:35:4510:0223:56
9:38
-0:24
30K
18.64 mi10:49:463:06:5010:0131:05
10:00
+0:22
35K
21.75 mi11:21:193:38:2310:0231:33
10:09
+0:09
40K
24.85 mi11:52:544:09:5810:0331:35
10:10
+0:01
Finish
26.22 mi12:06:334:23:3710:0413:39
10:00
-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

9:38 /mi

Average Pace

10:04 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:46

64% of race

Time at Steady Pace

1:35:51

36% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:03 /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 mi08:15:3932:4310:3232:43
10:32
#15056
10K
6.21 mi08:46:471:03:5110:1731:08
10:01
#15348
15K
9.32 mi09:17:221:34:2610:0830:35
9:51
#14751
21K
13.05 mi09:54:452:11:4910:0637:23
10:02
#14181
25K
15.53 mi10:18:412:35:4510:0223:56
9:38
#13636
30K
18.64 mi10:49:463:06:5010:0131:05
10:00
#12889
35K
21.75 mi11:21:193:38:2310:0231:33
10:09
#12130
40K
24.85 mi11:52:544:09:5810:0331:35
10:10
#11379
Finish
26.22 mi12:06:334:23:3710:0413:39
10:00
#11096
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi15056474411491387942781067
10K6.21 mi3.10 mi15348-2924873-1291172-231580950541194
15K9.32 mi3.11 mi14751+5974628+2451129+431387942781067
21K13.05 mi3.73 mi14181+5704414+2141093+361331440861028
25K15.53 mi2.48 mi13636+5454229+1851066+27117713597927
30K18.64 mi3.11 mi12889+7473990+2391009+57105483261833
35K21.75 mi3.11 mi12130+7593785+205967+4297093195828
40K24.85 mi3.10 mi11379+7513590+195920+4783272868740
Finish26.22 mi1.37 mi11096+2833521+69912+879732770744

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×18story building
+279ft-164ft

Overall

13879

Females

4278

F25-29

4278

5K→10K

3.1 - 6.2 mi

Top 53%
×11story building
+103ft-217ft

Overall

15809

Females

5054

F25-29

5054

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+51ft-55ft

Overall

13879

Females

4278

F25-29

4278

15K→21K

9.3 - 13.1 mi

Top 44%
×1story
+20ft-37ft

Overall

13314

Females

4086

F25-29

4086

21K→25K

13.1 - 15.5 mi

Top 39%
×2story building
+35ft-8ft

Overall

11771

Females

3597

F25-29

3597

25K→30K

15.5 - 18.6 mi

Top 35%
×2story building
+58ft-57ft

Overall

10548

Females

3261

F25-29

3261

30K→35K

18.6 - 21.8 mi

Top 32%
×2story building
+98ft-92ft

Overall

9709

Females

3195

F25-29

3195

35K→40K

21.8 - 24.9 mi

Top 28%
×2story building
+36ft-53ft

Overall

8327

Females

2868

F25-29

2868

40K→Finish

24.9 - 26.2 mi

Top 27%
×5story building
+80ft-24ft

Overall

7973

Females

2770

F25-29

2770

Passing Analysis

Category:
Athletes Passed
4913*
Passed By
953
Net Change
+3960
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15056
5K → 10K281*573-292#15056#15348
10K → 15K680*83+597#15348#14751
15K → 21K664*94+570#14751#14181
21K → 25K591*46+545#14181#13636
25K → 30K789*42+747#13636#12889
30K → 35K799*40+759#12889#12130
35K → 40K798*47+751#12130#11379
40K → Finish311*28+283#11379#11096
TOTALS4913*953+3960

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

Passing Charts

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