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MARINE CORPS MARATHON 2025

Kasia Chambers

Hudson, OH

Bib: 28520 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Division (F40-44)
#0 / 1527
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
13:48/mi
42:53
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
12:20/mi
1:21:11
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
12:15/mi
1:59:14
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
13:18/mi
2:48:49
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
12:50/mi
3:20:42
↑ 350.2%
30 ft elev
30K· 18.64 mi
14:41/mi
4:06:20
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
14:52/mi
4:52:31
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
15:01/mi
5:39:09
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:27/mi
5:57:29
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:48:4912:56 /mi⚡ faster
2nd Half
3:08:3914:19 /mi+11.7%
Positive split — 11.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:20:3242:5313:4842:53
13:48
-
10K
6.21 mi08:58:501:21:1113:0438:18
12:20
-1:28
15K
9.32 mi09:36:531:59:1412:4838:03
12:15
-0:05
21K
13.05 mi10:26:282:48:4912:5649:35
13:18
+1:03
25K
15.53 mi10:58:213:20:4212:5531:53
12:50
-0:28
30K
18.64 mi11:43:594:06:2013:1345:38
14:41
+1:51
35K
21.75 mi12:30:104:52:3113:2746:11
14:52
+0:11
40K
24.85 mi13:16:485:39:0913:3946:38
15:01
+0:09
Finish
26.22 mi13:35:085:57:2913:3918:20
13:27
-1:34

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

12:15 /mi

Average Pace

13:39 /mi

Slowest Pace

15:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:48:14

30% of race

Time at Steady Pace

1:50:48

31% of race

Time at Slower Pace

2:18:27

39% of race

Average Pace: 13:38 /mi

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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.

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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 mi08:20:3242:5313:4842:53
13:48
#29224
10K
6.21 mi08:58:501:21:1113:0438:18
12:20
#28488
15K
9.32 mi09:36:531:59:1412:4838:03
12:15
#27711
21K
13.05 mi10:26:282:48:4912:5649:35
13:18
#27293
25K
15.53 mi10:58:213:20:4212:5531:53
12:50
#26794
30K
18.64 mi11:43:594:06:2013:1345:38
14:41
#26717
35K
21.75 mi12:30:104:52:3113:2746:11
14:52
#26575
40K
24.85 mi13:16:485:39:0913:3946:38
15:01
#26296
Finish
26.22 mi13:35:085:57:2913:3918:20
13:27
#25990
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi292241179314152572098421165
10K6.21 mi3.10 mi28488+73611342+4511368+4727333107221284
15K9.32 mi3.11 mi27711+77710917+4251298+702572098421165
21K13.05 mi3.73 mi27293+41810719+1981281+1726207102381219
25K15.53 mi2.48 mi26794+49910489+2301244+372412293881104
30K18.64 mi3.11 mi26717+7710526-371247-326243106381270
35K21.75 mi3.11 mi26575+14210531-51258-1125221103231246
40K24.85 mi3.10 mi26296+27910445+861255+32414998721178
Finish26.22 mi1.37 mi25990+30610311+1341232+23204878192943

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×18story building
+279ft-164ft

Overall

25720

Females

9842

F40-44

9842

5K→10K

3.1 - 6.2 mi

Top 91%
×11story building
+103ft-217ft

Overall

27333

Females

10722

F40-44

10722

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+51ft-55ft

Overall

25720

Females

9842

F40-44

9842

15K→21K

9.3 - 13.1 mi

Top 87%
×1story
+20ft-37ft

Overall

26207

Females

10238

F40-44

10238

21K→25K

13.1 - 15.5 mi

Top 80%
×2story building
+35ft-8ft

Overall

24122

Females

9388

F40-44

9388

25K→30K

15.5 - 18.6 mi

Top 87%
×2story building
+58ft-57ft

Overall

26243

Females

10638

F40-44

10638

30K→35K

18.6 - 21.8 mi

Top 84%
×2story building
+98ft-92ft

Overall

25221

Females

10323

F40-44

10323

35K→40K

21.8 - 24.9 mi

Top 80%
×2story building
+36ft-53ft

Overall

24149

Females

9872

F40-44

9872

40K→Finish

24.9 - 26.2 mi

Top 68%
×5story building
+80ft-24ft

Overall

20487

Females

8192

F40-44

8192

Passing Analysis

Category:
Athletes Passed
4010*
Passed By
776
Net Change
+3234
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#29224
5K → 10K767*31+736#29224#28488
10K → 15K807*30+777#28488#27711
15K → 21K571*153+418#27711#27293
21K → 25K528*29+499#27293#26794
25K → 30K318*241+77#26794#26717
30K → 35K318*176+142#26717#26575
35K → 40K382*103+279#26575#26296
40K → Finish319*13+306#26296#25990
TOTALS4010*776+3234

* 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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Questions or issues regarding timing data?

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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions