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MARINE CORPS MARATHON 2025

Pamela Cheung

Columbia, MD

Bib: 21073 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 39%
Gender (Female)
#0 / 12338
Top 30%
Masters (Masters Women)
#0 / 5451
Top 20%
Division (F50-54)
#0 / 1155
Top 18%
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
9:53/mi
30:42
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:21/mi
59:46
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:34/mi
1:29:30
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:17/mi
2:07:49
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:46/mi
2:32:05
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:22/mi
3:04:17
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:37/mi
3:37:16
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:44/mi
4:10:38
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:10/mi
4:25:52
↑ 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
Time2:07:49
Pace9:48 /mi
2nd Half
Distance13.17 mi
Time2:18:03
Pace10:29 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:04:1830:429:5330:42
9:53
-
10K
6.21 mi08:33:2259:469:3729:04
9:21
-0:32
15K
9.32 mi09:03:061:29:309:3629:44
9:34
+0:13
21K
13.05 mi09:41:252:07:499:4838:19
10:17
+0:43
25K
15.53 mi10:05:412:32:059:4724:16
9:46
-0:31
30K
18.64 mi10:37:533:04:179:5332:12
10:22
+0:36
35K
21.75 mi11:10:523:37:169:5932:59
10:37
+0:15
40K
24.85 mi11:44:144:10:3810:0533:22
10:44
+0:07
Finish
26.22 mi11:59:284:25:5210:0915:14
11:10
+0:26

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

9:21 /mi

Average Pace

10:09 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:05

57% of race

Time at Steady Pace

1:38:33

37% of race

Time at Slower Pace

15:14

6% of race

Average Pace: 10:08 /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 mi08:04:1830:429:5330:42
9:53
#10924
10K
6.21 mi08:33:2259:469:3729:04
9:21
#11244
15K
9.32 mi09:03:061:29:309:3629:44
9:34
#11605
21K
13.05 mi09:41:252:07:499:4838:19
10:17
#12450
25K
15.53 mi10:05:412:32:059:4724:16
9:46
#12342
30K
18.64 mi10:37:533:04:179:5332:12
10:22
#12147
35K
21.75 mi11:10:523:37:169:5932:59
10:37
#11902
40K
24.85 mi11:44:144:10:3810:0533:22
10:44
#11529
Finish
26.22 mi11:59:284:25:5210:0915:14
11:10
#11554
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi10924307517312358(Top 41%)3626(Top 29%)203(Top 18%)
10K6.21 mi3.10 mi11244-3203171-96178-511742(Top 39%)3356(Top 27%)187(Top 16%)
15K9.32 mi3.11 mi11605-3613314-14317812358(Top 41%)3626(Top 29%)203(Top 18%)
21K13.05 mi3.73 mi12450-8453675-361204-2614657(Top 49%)4642(Top 38%)280(Top 25%)
25K15.53 mi2.48 mi12342+1083669+6207-312471(Top 42%)3881(Top 31%)222(Top 20%)
30K18.64 mi3.11 mi12147+1953677-8205+212088(Top 40%)3937(Top 32%)216(Top 19%)
35K21.75 mi3.11 mi11902+2453689-12211-611543(Top 38%)4021(Top 33%)236(Top 21%)
40K24.85 mi3.10 mi11529+3733654+35208+310526(Top 35%)3826(Top 31%)212(Top 19%)
Finish26.22 mi1.37 mi11554-253711-57210-212589(Top 42%)4818(Top 39%)272(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×18story building
+279ft-164ft

Overall

12358

Females

3626

F50-54

3626

5K→10K

3.1 - 6.2 mi

Top 39%
×11story building
+103ft-217ft

Overall

11742

Females

3356

F50-54

3356

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+51ft-55ft

Overall

12358

Females

3626

F50-54

3626

15K→21K

9.3 - 13.1 mi

Top 49%
×1story
+20ft-37ft

Overall

14657

Females

4642

F50-54

4642

21K→25K

13.1 - 15.5 mi

Top 42%
×2story building
+35ft-8ft

Overall

12471

Females

3881

F50-54

3881

25K→30K

15.5 - 18.6 mi

Top 40%
×2story building
+58ft-57ft

Overall

12088

Females

3937

F50-54

3937

30K→35K

18.6 - 21.8 mi

Top 38%
×2story building
+98ft-92ft

Overall

11543

Females

4021

F50-54

4021

35K→40K

21.8 - 24.9 mi

Top 35%
×2story building
+36ft-53ft

Overall

10526

Females

3826

F50-54

3826

40K→Finish

24.9 - 26.2 mi

Top 42%
×5story building
+80ft-24ft

Overall

12589

Females

4818

F50-54

4818

Passing Analysis

Category:
Athletes Passed
2283*
Passed By
2913
Net Change
-630
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10924
5K → 10K205*525-320#10924#11244
10K → 15K147*508-361#11244#11605
15K → 21K131*976-845#11605#12450
21K → 25K280*172+108#12450#12342
25K → 30K405*210+195#12342#12147
30K → 35K468*223+245#12147#11902
35K → 40K526*153+373#11902#11529
40K → Finish121*146-25#11529#11554
TOTALS2283*2913-630

* 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