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MARINE CORPS MARATHON 2025

Chelsea Chatterton

Washington, DC

Bib: 33095 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Top 49%
Division (F25-29)
#0 / 2322
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
11:17/mi
35:04
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:58/mi
1:09:07
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
11:07/mi
1:43:39
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:23/mi
2:26:05
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
11:22/mi
2:54:20
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:25/mi
3:29:47
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:35/mi
4:05:45
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:01/mi
4:40:00
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:14/mi
4:53:58
↑ 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
2:26:0511:12 /mi⚡ faster
2nd Half
2:27:5211:14 /mi+1.2%
Positive split — 1.2% 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 mi08:26:1335:0411:1735:04
11:17
-
10K
6.21 mi09:00:161:09:0711:0734:03
10:58
-0:19
15K
9.32 mi09:34:481:43:3911:0734:32
11:07
+0:09
21K
13.05 mi10:17:142:26:0511:1242:26
11:23
+0:16
25K
15.53 mi10:45:292:54:2011:1328:15
11:22
-0:01
30K
18.64 mi11:20:563:29:4711:1535:27
11:25
+0:03
35K
21.75 mi11:56:544:05:4511:1835:58
11:35
+0:10
40K
24.85 mi12:31:094:40:0011:1634:15
11:01
-0:34
Finish
26.22 mi12:45:074:53:5811:1313:58
10:14
-0:47

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

10:14 /mi

Average Pace

11:13 /mi

Slowest Pace

11:35 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:56:48

40% of race

Time at Steady Pace

2:57:10

60% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:13 /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 mi08:26:1335:0411:1735:04
11:17
#19988
10K
6.21 mi09:00:161:09:0711:0734:03
10:58
#20921
15K
9.32 mi09:34:481:43:3911:0734:32
11:07
#20968
21K
13.05 mi10:17:142:26:0511:1242:26
11:23
#20472
25K
15.53 mi10:45:292:54:2011:1328:15
11:22
#20191
30K
18.64 mi11:20:563:29:4711:1535:27
11:25
#19283
35K
21.75 mi11:56:544:05:4511:1835:58
11:35
#18501
40K
24.85 mi12:31:094:40:0011:1634:15
11:01
#17383
Finish
26.22 mi12:45:074:53:5811:1313:58
10:14
#16848
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi19988703115892132076391722
10K6.21 mi3.10 mi20921-9337446-4151645-562192179411747
15K9.32 mi3.11 mi20968-477459-131660-152132076391722
21K13.05 mi3.73 mi20472+4967248+2111632+282006971471616
25K15.53 mi2.48 mi20191+2817202+461625+71948671251630
30K18.64 mi3.11 mi19283+9086829+3731559+661640258791398
35K21.75 mi3.11 mi18501+7826606+2231526+331522457011368
40K24.85 mi3.10 mi17383+11186230+3761465+611162643491072
Finish26.22 mi1.37 mi16848+5356019+2111432+3389023190846

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×18story building
+279ft-164ft

Overall

21320

Females

7639

F25-29

7639

5K→10K

3.1 - 6.2 mi

Top 73%
×11story building
+103ft-217ft

Overall

21921

Females

7941

F25-29

7941

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+51ft-55ft

Overall

21320

Females

7639

F25-29

7639

15K→21K

9.3 - 13.1 mi

Top 67%
×1story
+20ft-37ft

Overall

20069

Females

7147

F25-29

7147

21K→25K

13.1 - 15.5 mi

Top 65%
×2story building
+35ft-8ft

Overall

19486

Females

7125

F25-29

7125

25K→30K

15.5 - 18.6 mi

Top 55%
×2story building
+58ft-57ft

Overall

16402

Females

5879

F25-29

5879

30K→35K

18.6 - 21.8 mi

Top 51%
×2story building
+98ft-92ft

Overall

15224

Females

5701

F25-29

5701

35K→40K

21.8 - 24.9 mi

Top 39%
×2story building
+36ft-53ft

Overall

11626

Females

4349

F25-29

4349

40K→Finish

24.9 - 26.2 mi

Top 30%
×5story building
+80ft-24ft

Overall

8902

Females

3190

F25-29

3190

Passing Analysis

Category:
Athletes Passed
5290*
Passed By
2150
Net Change
+3140
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19988
5K → 10K167*1100-933#19988#20921
10K → 15K387*434-47#20921#20968
15K → 21K776*280+496#20968#20472
21K → 25K479*198+281#20472#20191
25K → 30K957*49+908#20191#19283
30K → 35K857*75+782#19283#18501
35K → 40K1128*10+1118#18501#17383
40K → Finish539*4+535#17383#16848
TOTALS5290*2150+3140

* 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