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MARINE CORPS MARATHON 2025

Emily Chu

Philadelphia, PA

Bib: 6517 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 16%
Gender (Female)
#0 / 12338
Top 9%
Division (F20-24)
#0 / 1404
Top 16%
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
8:49/mi
27:25
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:31/mi
53:52
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:29/mi
1:20:14
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:47/mi
1:53:00
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:37/mi
2:14:26
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:50/mi
2:41:52
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:50/mi
3:09:20
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:55/mi
3:37:03
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:17/mi
3:49:43
↑ 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
Time1:53:00
Pace8:40 /mi
2nd Half
Distance13.17 mi
Time1:56:43
Pace8:52 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:51:3427:258:4927:25
8:49
-
10K
6.21 mi08:18:0153:528:4026:27
8:31
-0:18
15K
9.32 mi08:44:231:20:148:3626:22
8:29
-0:02
21K
13.05 mi09:17:091:53:008:4032:46
8:47
+0:18
25K
15.53 mi09:38:352:14:268:3921:26
8:37
-0:10
30K
18.64 mi10:06:012:41:528:4127:26
8:50
+0:13
35K
21.75 mi10:33:293:09:208:4227:28
8:50
0:00
40K
24.85 mi11:01:123:37:038:4427:43
8:55
+0:05
Finish
26.22 mi11:13:523:49:438:4612:40
9:17
+0:22

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

8:29 /mi

Average Pace

8:46 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:20

82% of race

Time at Steady Pace

40:23

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:46 /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 mi07:51:3427:258:4927:25
8:49
#4692
10K
6.21 mi08:18:0153:528:4026:27
8:31
#5383
15K
9.32 mi08:44:231:20:148:3626:22
8:29
#5446
21K
13.05 mi09:17:091:53:008:4032:46
8:47
#5614
25K
15.53 mi09:38:352:14:268:3921:26
8:37
#5677
30K
18.64 mi10:06:012:41:528:4127:26
8:50
#5450
35K
21.75 mi10:33:293:09:208:4227:28
8:50
#5125
40K
24.85 mi11:01:123:37:038:4427:43
8:55
#4747
Finish
26.22 mi11:13:523:49:438:4612:40
9:17
#4732
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi46929871845742(Top 19%)1284(Top 10%)235(Top 17%)
10K6.21 mi3.10 mi5383-6911161-174214-306254(Top 21%)1401(Top 11%)263(Top 19%)
15K9.32 mi3.11 mi5446-631178-172145742(Top 19%)1284(Top 10%)235(Top 17%)
21K13.05 mi3.73 mi5614-1681236-58227-136332(Top 21%)1479(Top 12%)290(Top 21%)
25K15.53 mi2.48 mi5677-631255-19233-66487(Top 22%)1578(Top 13%)293(Top 21%)
30K18.64 mi3.11 mi5450+2271232+23228+55182(Top 17%)1247(Top 10%)235(Top 17%)
35K21.75 mi3.11 mi5125+3251199+33223+54406(Top 15%)1132(Top 9%)226(Top 16%)
40K24.85 mi3.10 mi4747+3781140+59217+63857(Top 13%)1047(Top 8%)214(Top 15%)
Finish26.22 mi1.37 mi4732+151159-19219-25194(Top 17%)1623(Top 13%)347(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×18story building
+279ft-164ft

Overall

5742

Females

1284

F20-24

1284

5K→10K

3.1 - 6.2 mi

Top 21%
×11story building
+103ft-217ft

Overall

6254

Females

1401

F20-24

1401

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+51ft-55ft

Overall

5742

Females

1284

F20-24

1284

15K→21K

9.3 - 13.1 mi

Top 21%
×1story
+20ft-37ft

Overall

6332

Females

1479

F20-24

1479

21K→25K

13.1 - 15.5 mi

Top 22%
×2story building
+35ft-8ft

Overall

6487

Females

1578

F20-24

1578

25K→30K

15.5 - 18.6 mi

Top 17%
×2story building
+58ft-57ft

Overall

5182

Females

1247

F20-24

1247

30K→35K

18.6 - 21.8 mi

Top 15%
×2story building
+98ft-92ft

Overall

4406

Females

1132

F20-24

1132

35K→40K

21.8 - 24.9 mi

Top 13%
×2story building
+36ft-53ft

Overall

3857

Females

1047

F20-24

1047

40K→Finish

24.9 - 26.2 mi

Top 17%
×5story building
+80ft-24ft

Overall

5194

Females

1623

F20-24

1623

Passing Analysis

Category:
Athletes Passed
1610*
Passed By
1650
Net Change
-40
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4692
5K → 10K35*726-691#4692#5383
10K → 15K125*188-63#5383#5446
15K → 21K101*269-168#5446#5614
21K → 25K127190-63#5614#5677
25K → 30K315*88+227#5677#5450
30K → 35K387*62+325#5450#5125
35K → 40K427*49+378#5125#4747
40K → Finish93*78+15#4747#4732
TOTALS1610*1650-40

* 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