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MARINE CORPS MARATHON 2025

Brook Shelton

Piedmont, SC

Bib: 13751 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 45%
Gender (Female)
#0 / 12338
Top 37%
Division (F25-29)
#0 / 2322
Top 48%
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
10:39/mi
33:05
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:53/mi
1:03:47
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:50/mi
1:34:19
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:59/mi
2:11:34
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:49/mi
2:35:59
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:08/mi
3:10:34
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:58/mi
3:44:39
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:47/mi
4:21:14
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:49/mi
4:35:59
↑ 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
Time2:11:34
Pace10:05 /mi
2nd Half
Distance13.17 mi
Time2:24:25
Pace10:58 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:58:5133:0510:3933:05
10:39
-
10K
6.21 mi08:29:331:03:4710:1630:42
9:53
-0:46
15K
9.32 mi09:00:051:34:1910:0730:32
9:50
-0:03
21K
13.05 mi09:37:202:11:3410:0537:15
9:59
+0:09
25K
15.53 mi10:01:452:35:5910:0224:25
9:49
-0:10
30K
18.64 mi10:36:203:10:3410:1334:35
11:08
+1:19
35K
21.75 mi11:10:253:44:3910:2034:05
10:58
-0:10
40K
24.85 mi11:47:004:21:1410:3136:35
11:47
+0:49
Finish
26.22 mi12:01:454:35:5910:3214:45
10:49
-0:58

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

9:49 /mi

Average Pace

10:32 /mi

Slowest Pace

11:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:54

45% of race

Time at Steady Pace

1:21:55

30% of race

Time at Slower Pace

1:11:10

26% of race

Average Pace: 10:32 /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 mi07:58:5133:0510:3933:05
10:39
#15792
10K
6.21 mi08:29:331:03:4710:1630:42
9:53
#15280
15K
9.32 mi09:00:051:34:1910:0730:32
9:50
#14674
21K
13.05 mi09:37:202:11:3410:0537:15
9:59
#14065
25K
15.53 mi10:01:452:35:5910:0224:25
9:49
#13722
30K
18.64 mi10:36:203:10:3410:1334:35
11:08
#13925
35K
21.75 mi11:10:253:44:3910:2034:05
10:58
#13620
40K
24.85 mi11:47:004:21:1410:3136:35
11:47
#13650
Finish
26.22 mi12:01:454:35:5910:3214:45
10:49
#13431
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi157925077122013766(Top 46%)4240(Top 34%)1061(Top 46%)
10K6.21 mi3.10 mi15280+5124838+2391162+5814883(Top 50%)4667(Top 38%)1125(Top 49%)
15K9.32 mi3.11 mi14674+6064600+2381122+4013766(Top 46%)4240(Top 34%)1061(Top 46%)
21K13.05 mi3.73 mi14065+6094369+2311080+4213135(Top 44%)4023(Top 33%)1013(Top 44%)
25K15.53 mi2.48 mi13722+3434269+1001070+1012749(Top 42%)3994(Top 32%)1013(Top 44%)
30K18.64 mi3.11 mi13925-2034429-1601107-3715278(Top 51%)5359(Top 43%)1290(Top 56%)
35K21.75 mi3.11 mi13620+3054422+71106+112928(Top 43%)4672(Top 38%)1148(Top 50%)
40K24.85 mi3.10 mi13650-304549-1271127-2114367(Top 48%)5563(Top 45%)1316(Top 57%)
Finish26.22 mi1.37 mi13431+2194495+541121+611114(Top 37%)4181(Top 34%)1083(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

13766

Females

4240

F25-29

4240

5K→10K

3.1 - 6.2 mi

Top 50%
×11story building
+103ft-217ft

Overall

14883

Females

4667

F25-29

4667

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+51ft-55ft

Overall

13766

Females

4240

F25-29

4240

15K→21K

9.3 - 13.1 mi

Top 44%
×1story
+20ft-37ft

Overall

13135

Females

4023

F25-29

4023

21K→25K

13.1 - 15.5 mi

Top 42%
×2story building
+35ft-8ft

Overall

12749

Females

3994

F25-29

3994

25K→30K

15.5 - 18.6 mi

Top 51%
×2story building
+58ft-57ft

Overall

15278

Females

5359

F25-29

5359

30K→35K

18.6 - 21.8 mi

Top 43%
×2story building
+98ft-92ft

Overall

12928

Females

4672

F25-29

4672

35K→40K

21.8 - 24.9 mi

Top 48%
×2story building
+36ft-53ft

Overall

14367

Females

5563

F25-29

5563

40K→Finish

24.9 - 26.2 mi

Top 37%
×5story building
+80ft-24ft

Overall

11114

Females

4181

F25-29

4181

Passing Analysis

Category:
Athletes Passed
3956*
Passed By
1595
Net Change
+2361
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15792
5K → 10K727*215+512#15792#15280
10K → 15K684*78+606#15280#14674
15K → 21K694*85+609#14674#14065
21K → 25K450*107+343#14065#13722
25K → 30K285*488-203#13722#13925
30K → 35K530*225+305#13925#13620
35K → 40K318*348-30#13620#13650
40K → Finish268*49+219#13650#13431
TOTALS3956*1595+2361

* 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