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MARINE CORPS MARATHON 2025

Yu Shan Chen

Somerville, MA

Bib: 447 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 3%
Gender (Male)
#0 / 17709
Top 4%
Division (M25-29)
#0 / 2720
Top 7%
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
7:26/mi
23:07
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:07/mi
45:14
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:08/mi
1:07:24
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:16/mi
1:34:29
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
6:57/mi
1:51:45
↑ 350.2%
30 ft elev
30K· 18.64 mi
7:09/mi
2:13:58
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
7:14/mi
2:36:25
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
7:21/mi
2:59:16
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
7:49/mi
3:09:56
↑ 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
1:34:297:14 /mi⚡ faster
2nd Half
1:35:277:15 /mi+1.0%
Positive split — 1.0% 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 mi07:44:2423:077:2623:07
7:26
-
10K
6.21 mi08:06:3145:147:1722:07
7:07
-0:19
15K
9.32 mi08:28:411:07:247:1422:10
7:08
+0:01
21K
13.05 mi08:55:461:34:297:1427:05
7:16
+0:08
25K
15.53 mi09:13:021:51:457:1217:16
6:57
-0:19
30K
18.64 mi09:35:152:13:587:1122:13
7:09
+0:12
35K
21.75 mi09:57:422:36:257:1222:27
7:14
+0:05
40K
24.85 mi10:20:332:59:167:1322:51
7:21
+0:07
Finish
26.22 mi10:31:133:09:567:1510:40
7:49
+0:28

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

6:57 /mi

Average Pace

7:15 /mi

Slowest Pace

7:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:59:16

94% of race

Time at Steady Pace

10:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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.

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 mi07:44:2423:077:2623:07
7:26
#841
10K
6.21 mi08:06:3145:147:1722:07
7:07
#961
15K
9.32 mi08:28:411:07:247:1422:10
7:08
#992
21K
13.05 mi08:55:461:34:297:1427:05
7:16
#988
25K
15.53 mi09:13:021:51:457:1217:16
6:57
#960
30K
18.64 mi09:35:152:13:587:1122:13
7:09
#885
35K
21.75 mi09:57:422:36:257:1222:27
7:14
#814
40K
24.85 mi10:20:332:59:167:1322:51
7:21
#757
Finish
26.22 mi10:31:133:09:567:1510:40
7:49
#779
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi8417541821118986232
10K6.21 mi3.10 mi961-120857-103202-2011551021226
15K9.32 mi3.11 mi992-31882-25206-41118986232
21K13.05 mi3.73 mi988+4883-1208-21020913216
25K15.53 mi2.48 mi960+28863+20205+3822746187
30K18.64 mi3.11 mi885+75797+66192+13733665171
35K21.75 mi3.11 mi814+71737+60180+12648592154
40K24.85 mi3.10 mi757+57688+49174+6661589150
Finish26.22 mi1.37 mi779-22704-16178-41215968237

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×18story building
+279ft-164ft

Overall

1118

Males

986

M25-29

986

5K→10K

3.1 - 6.2 mi

Top 4%
×11story building
+103ft-217ft

Overall

1155

Males

1021

M25-29

1021

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+51ft-55ft

Overall

1118

Males

986

M25-29

986

15K→21K

9.3 - 13.1 mi

Top 3%
×1story
+20ft-37ft

Overall

1020

Males

913

M25-29

913

21K→25K

13.1 - 15.5 mi

Top 3%
×2story building
+35ft-8ft

Overall

822

Males

746

M25-29

746

25K→30K

15.5 - 18.6 mi

Top 2%
×2story building
+58ft-57ft

Overall

733

Males

665

M25-29

665

30K→35K

18.6 - 21.8 mi

Top 2%
×2story building
+98ft-92ft

Overall

648

Males

592

M25-29

592

35K→40K

21.8 - 24.9 mi

Top 2%
×2story building
+36ft-53ft

Overall

661

Males

589

M25-29

589

40K→Finish

24.9 - 26.2 mi

Top 4%
×5story building
+80ft-24ft

Overall

1215

Males

968

M25-29

968

Passing Analysis

Category:
Athletes Passed
334*
Passed By
272
Net Change
+62
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#841
5K → 10K7127-120#841#961
10K → 15K1950-31#961#992
15K → 21K32*28+4#992#988
21K → 25K346+28#988#960
25K → 30K81*6+75#960#885
30K → 35K787+71#885#814
35K → 40K6811+57#814#757
40K → Finish15*37-22#757#779
TOTALS334*272+62

* 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