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MARINE CORPS MARATHON 2025

Sarah Chu

Laurel, MD

Bib: 13675 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 42%
Gender (Female)
#0 / 12338
Top 33%
Masters (Masters Women)
#0 / 5451
Top 23%
Division (F45-49)
#0 / 1255
Top 26%
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
10:07/mi
31:26
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:52/mi
1:02:04
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:09/mi
1:33:35
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:15/mi
2:15:30
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:51/mi
2:40:00
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:09/mi
3:11:31
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:28/mi
3:44:02
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:39/mi
4:17:07
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:49/mi
4:30:31
↑ 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
2:15:3010:23 /mi⚖️ balanced
2nd Half
2:15:0110:15 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:19:2931:2610:0731:26
10:07
-
10K
6.21 mi08:50:071:02:049:5930:38
9:52
-0:15
15K
9.32 mi09:21:381:33:3510:0231:31
10:09
+0:17
21K
13.05 mi10:03:332:15:3010:2341:55
11:15
+1:06
25K
15.53 mi10:28:032:40:0010:1824:30
9:51
-1:24
30K
18.64 mi10:59:343:11:3110:1631:31
10:09
+0:18
35K
21.75 mi11:32:053:44:0210:1832:31
10:28
+0:19
40K
24.85 mi12:05:104:17:0710:2133:05
10:39
+0:11
Finish
26.22 mi12:18:344:30:3110:2013:24
9:49
-0:50

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

10:20 /mi

Slowest Pace

11:15 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:48:36

85% of race

Time at Steady Pace

41:55

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:19 /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 mi08:19:2931:2610:0731:26
10:07
#12379
10K
6.21 mi08:50:071:02:049:5930:38
9:52
#13526
15K
9.32 mi09:21:381:33:3510:0231:31
10:09
#14177
21K
13.05 mi10:03:332:15:3010:2341:55
11:15
#15784
25K
15.53 mi10:28:032:40:0010:1824:30
9:51
#15100
30K
18.64 mi10:59:343:11:3110:1631:31
10:09
#14170
35K
21.75 mi11:32:053:44:0210:1832:31
10:28
#13469
40K
24.85 mi12:05:104:17:0710:2133:05
10:39
#12815
Finish
26.22 mi12:18:344:30:3110:2013:24
9:49
#12446
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi123793648297155655003406
10K6.21 mi3.10 mi13526-11474104-456332-35147284591382
15K9.32 mi3.11 mi14177-6514392-288353-21155655003406
21K13.05 mi3.73 mi15784-16075085-693416-63194876863603
25K15.53 mi2.48 mi15100+6844837+248386+30129014069324
30K18.64 mi3.11 mi14170+9304536+301361+25111493505277
35K21.75 mi3.11 mi13469+7014364+172348+13109233741288
40K24.85 mi3.10 mi12815+6544215+149335+13101753662278
Finish26.22 mi1.37 mi12446+3694104+111323+1272312451172

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×18story building
+279ft-164ft

Overall

15565

Females

5003

F45-49

5003

5K→10K

3.1 - 6.2 mi

Top 49%
×11story building
+103ft-217ft

Overall

14728

Females

4591

F45-49

4591

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+51ft-55ft

Overall

15565

Females

5003

F45-49

5003

15K→21K

9.3 - 13.1 mi

Top 65%
×1story
+20ft-37ft

Overall

19487

Females

6863

F45-49

6863

21K→25K

13.1 - 15.5 mi

Top 43%
×2story building
+35ft-8ft

Overall

12901

Females

4069

F45-49

4069

25K→30K

15.5 - 18.6 mi

Top 37%
×2story building
+58ft-57ft

Overall

11149

Females

3505

F45-49

3505

30K→35K

18.6 - 21.8 mi

Top 36%
×2story building
+98ft-92ft

Overall

10923

Females

3741

F45-49

3741

35K→40K

21.8 - 24.9 mi

Top 34%
×2story building
+36ft-53ft

Overall

10175

Females

3662

F45-49

3662

40K→Finish

24.9 - 26.2 mi

Top 24%
×5story building
+80ft-24ft

Overall

7231

Females

2451

F45-49

2451

Passing Analysis

Category:
Athletes Passed
3858*
Passed By
3925
Net Change
-67
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12379
5K → 10K84*1231-1147#12379#13526
10K → 15K129*780-651#13526#14177
15K → 21K105*1712-1607#14177#15784
21K → 25K710*26+684#15784#15100
25K → 30K948*18+930#15100#14170
30K → 35K779*78+701#14170#13469
35K → 40K728*74+654#13469#12815
40K → Finish375*6+369#12815#12446
TOTALS3858*3925-67

* 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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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions