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MARINE CORPS MARATHON 2025

Thea Chafee

Washington, DC

Bib: 19601 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 13%
Gender (Female)
#0 / 12338
Top 7%
Division (F25-29)
#0 / 2322
Top 10%
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
9:05/mi
28:13
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:28/mi
54:32
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:26/mi
1:20:45
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:41/mi
1:53:07
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:17/mi
2:13:43
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:29/mi
2:40:04
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:26/mi
3:06:17
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:26/mi
3:32:30
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:39/mi
3:44:18
↑ 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
1:53:078:40 /mi+1.7%
2nd Half
1:51:118:27 /mi✓ faster
Negative split — 1.7% faster 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 mi08:02:0928:139:0528:13
9:05
-
10K
6.21 mi08:28:2854:328:4726:19
8:28
-0:37
15K
9.32 mi08:54:411:20:458:4026:13
8:26
-0:02
21K
13.05 mi09:27:031:53:078:4032:22
8:41
+0:15
25K
15.53 mi09:47:392:13:438:3620:36
8:17
-0:24
30K
18.64 mi10:14:002:40:048:3526:21
8:29
+0:12
35K
21.75 mi10:40:133:06:178:3426:13
8:26
-0:03
40K
24.85 mi11:06:263:32:308:3326:13
8:26
0:00
Finish
26.22 mi11:18:143:44:188:3411:48
8:39
+0:13

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

8:17 /mi

Average Pace

8:34 /mi

Slowest Pace

9:05 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:16:05

87% of race

Time at Steady Pace

28:13

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:33 /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 mi08:02:0928:139:0528:13
9:05
#6044
10K
6.21 mi08:28:2854:328:4726:19
8:28
#5940
15K
9.32 mi08:54:411:20:458:4026:13
8:26
#5725
21K
13.05 mi09:27:031:53:078:4032:22
8:41
#5679
25K
15.53 mi09:47:392:13:438:3620:36
8:17
#5397
30K
18.64 mi10:14:002:40:048:3526:21
8:29
#5008
35K
21.75 mi10:40:133:06:178:3426:13
8:26
#4469
40K
24.85 mi11:06:263:32:308:3326:13
8:26
#4015
Finish
26.22 mi11:18:143:44:188:3411:48
8:39
#3898
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi6044138135654241178309
10K6.21 mi3.10 mi5940+1041325+56345+1159701315340
15K9.32 mi3.11 mi5725+2151265+60330+1554241178309
21K13.05 mi3.73 mi5679+461258+7329+157261282334
25K15.53 mi2.48 mi5397+2821179+79312+1746811034276
30K18.64 mi3.11 mi5008+3891112+67298+143815832218
35K21.75 mi3.11 mi4469+5391013+99278+203004678185
40K24.85 mi3.10 mi4015+454907+106243+352503588165
Finish26.22 mi1.37 mi3898+117887+20239+43107810247

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

5424

Females

1178

F25-29

1178

5K→10K

3.1 - 6.2 mi

Top 20%
×11story building
+103ft-217ft

Overall

5970

Females

1315

F25-29

1315

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+51ft-55ft

Overall

5424

Females

1178

F25-29

1178

15K→21K

9.3 - 13.1 mi

Top 19%
×1story
+20ft-37ft

Overall

5726

Females

1282

F25-29

1282

21K→25K

13.1 - 15.5 mi

Top 16%
×2story building
+35ft-8ft

Overall

4681

Females

1034

F25-29

1034

25K→30K

15.5 - 18.6 mi

Top 13%
×2story building
+58ft-57ft

Overall

3815

Females

832

F25-29

832

30K→35K

18.6 - 21.8 mi

Top 10%
×2story building
+98ft-92ft

Overall

3004

Females

678

F25-29

678

35K→40K

21.8 - 24.9 mi

Top 8%
×2story building
+36ft-53ft

Overall

2503

Females

588

F25-29

588

40K→Finish

24.9 - 26.2 mi

Top 10%
×5story building
+80ft-24ft

Overall

3107

Females

810

F25-29

810

Passing Analysis

Category:
Athletes Passed
2633*
Passed By
487
Net Change
+2146
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6044
5K → 10K289*185+104#6044#5940
10K → 15K289*74+215#5940#5725
15K → 21K174*128+46#5725#5679
21K → 25K31432+282#5679#5397
25K → 30K416*27+389#5397#5008
30K → 35K546*7+539#5008#4469
35K → 40K472*18+454#4469#4015
40K → Finish133*16+117#4015#3898
TOTALS2633*487+2146

* 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