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MARINE CORPS MARATHON 2025

Xiayan Ji

Philadelphia, PA

Bib: 3898 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 21%
Gender (Female)
#0 / 12338
Top 14%
Division (F25-29)
#0 / 2322
Top 20%
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
9:30/mi
29:31
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:40/mi
56:26
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:32/mi
1:22:56
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:39/mi
1:55:12
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:16/mi
2:15:46
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:56/mi
2:43:32
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:02/mi
3:11:37
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:08/mi
3:43:07
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:49/mi
3:57:52
↑ 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
Time1:55:12
Pace8:50 /mi
2nd Half
Distance13.17 mi
Time2:02:40
Pace9:19 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:11:4529:319:3029:31
9:30
-
10K
6.21 mi08:38:4056:269:0526:55
8:40
-0:50
15K
9.32 mi09:05:101:22:568:5426:30
8:32
-0:08
21K
13.05 mi09:37:261:55:128:5032:16
8:39
+0:07
25K
15.53 mi09:58:002:15:468:4420:34
8:16
-0:23
30K
18.64 mi10:25:462:43:328:4627:46
8:56
+0:40
35K
21.75 mi10:53:513:11:378:4928:05
9:02
+0:06
40K
24.85 mi11:25:213:43:078:5931:30
10:08
+1:06
Finish
26.22 mi11:40:063:57:529:0514:45
10:49
+0:41

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

8:16 /mi

Average Pace

9:05 /mi

Slowest Pace

10:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:04

20% of race

Time at Steady Pace

1:55:02

48% of race

Time at Slower Pace

1:15:46

32% of race

Average Pace: 9:04 /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 mi08:11:4529:319:3029:31
9:30
#8649
10K
6.21 mi08:38:4056:269:0526:55
8:40
#7897
15K
9.32 mi09:05:101:22:568:5426:30
8:32
#7160
21K
13.05 mi09:37:261:55:128:5032:16
8:39
#6600
25K
15.53 mi09:58:002:15:468:4420:34
8:16
#6148
30K
18.64 mi10:25:462:43:328:4627:46
8:56
#5913
35K
21.75 mi10:53:513:11:378:4928:05
9:02
#5651
40K
24.85 mi11:25:213:43:078:5931:30
10:08
#5987
Finish
26.22 mi11:40:063:57:529:0514:45
10:49
#6330
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi864922385715996(Top 20%)1363(Top 11%)355(Top 15%)
10K6.21 mi3.10 mi7897+7521973+265493+787180(Top 24%)1720(Top 14%)433(Top 19%)
15K9.32 mi3.11 mi7160+7371735+238446+475996(Top 20%)1363(Top 11%)355(Top 15%)
21K13.05 mi3.73 mi6600+5601535+200399+475572(Top 19%)1233(Top 10%)323(Top 14%)
25K15.53 mi2.48 mi6148+4521404+131361+384635(Top 15%)1023(Top 8%)272(Top 12%)
30K18.64 mi3.11 mi5913+2351373+31353+85697(Top 19%)1420(Top 12%)371(Top 16%)
35K21.75 mi3.11 mi5651+2621352+21351+25193(Top 17%)1380(Top 11%)380(Top 16%)
40K24.85 mi3.10 mi5987-3361535-183401-508240(Top 27%)2832(Top 23%)725(Top 31%)
Finish26.22 mi1.37 mi6330-3431687-152452-5111138(Top 37%)4195(Top 34%)1086(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×18story building
+279ft-164ft

Overall

5996

Females

1363

F25-29

1363

5K→10K

3.1 - 6.2 mi

Top 24%
×11story building
+103ft-217ft

Overall

7180

Females

1720

F25-29

1720

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+51ft-55ft

Overall

5996

Females

1363

F25-29

1363

15K→21K

9.3 - 13.1 mi

Top 19%
×1story
+20ft-37ft

Overall

5572

Females

1233

F25-29

1233

21K→25K

13.1 - 15.5 mi

Top 15%
×2story building
+35ft-8ft

Overall

4635

Females

1023

F25-29

1023

25K→30K

15.5 - 18.6 mi

Top 19%
×2story building
+58ft-57ft

Overall

5697

Females

1420

F25-29

1420

30K→35K

18.6 - 21.8 mi

Top 17%
×2story building
+98ft-92ft

Overall

5193

Females

1380

F25-29

1380

35K→40K

21.8 - 24.9 mi

Top 27%
×2story building
+36ft-53ft

Overall

8240

Females

2832

F25-29

2832

40K→Finish

24.9 - 26.2 mi

Top 37%
×5story building
+80ft-24ft

Overall

11138

Females

4195

F25-29

4195

Passing Analysis

Category:
Athletes Passed
3502*
Passed By
1183
Net Change
+2319
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8649
5K → 10K824*72+752#8649#7897
10K → 15K751*14+737#7897#7160
15K → 21K593*33+560#7160#6600
21K → 25K4586+452#6600#6148
25K → 30K331*96+235#6148#5913
30K → 35K355*93+262#5913#5651
35K → 40K156*492-336#5651#5987
40K → Finish34*377-343#5987#6330
TOTALS3502*1183+2319

* 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