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MARINE CORPS MARATHON 2025

Daniel Chu

Milton, MA

Bib: 18409 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Male)
#0 / 17709
Division (M35-39)
#0 / 2420
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
9:38/mi
29:55
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:04/mi
58:04
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:14/mi
1:26:44
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:39/mi
2:02:44
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:41/mi
2:26:49
↑ 350.2%
30 ft elev
30K· 18.64 mi
13:16/mi
3:08:03
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:16/mi
3:49:16
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
12:10/mi
4:27:05
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
12:38/mi
4:44:19
↑ 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
Time2:02:44
Pace9:24 /mi
2nd Half
Distance13.17 mi
Time2:41:35
Pace12:16 /mi
📊Positive Split: 31.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:12:3729:559:3829:55
9:38
-
10K
6.21 mi08:40:4658:049:2128:09
9:04
-0:34
15K
9.32 mi09:09:261:26:449:1828:40
9:14
+0:10
21K
13.05 mi09:45:262:02:449:2436:00
9:39
+0:25
25K
15.53 mi10:09:312:26:499:2724:05
9:41
+0:02
30K
18.64 mi10:50:453:08:0310:0541:14
13:16
+3:35
35K
21.75 mi11:31:583:49:1610:3341:13
13:16
0:00
40K
24.85 mi12:09:474:27:0510:4537:49
12:10
-1:06
Finish
26.22 mi12:27:014:44:1910:5117:14
12:38
+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

9:04 /mi

Average Pace

10:51 /mi

Slowest Pace

13:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:26:49

52% of race

Time at Slower Pace

2:17:30

48% of race

Average Pace: 10:51 /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 mi08:12:3729:559:3829:55
9:38
#9428
10K
6.21 mi08:40:4658:049:2128:09
9:04
#9640
15K
9.32 mi09:09:261:26:449:1828:40
9:14
#9901
21K
13.05 mi09:45:262:02:449:2436:00
9:39
#10290
25K
15.53 mi10:09:312:26:499:2724:05
9:41
#10493
30K
18.64 mi10:50:453:08:0310:0541:14
13:16
#13231
35K
21.75 mi11:31:583:49:1610:3341:13
13:16
#14664
40K
24.85 mi12:09:474:27:0510:4537:49
12:10
#14824
Finish
26.22 mi12:27:014:44:1910:5117:14
12:38
#15025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi9428690910121046275851131
10K6.21 mi3.10 mi9640-2127080-1711043-31991472591078
15K9.32 mi3.11 mi9901-2617241-1611070-271046275851131
21K13.05 mi3.73 mi10290-3897470-2291094-241143981331176
25K15.53 mi2.48 mi10493-2037573-1031100-61208683691222
30K18.64 mi3.11 mi13231-27389089-15161327-22722442137091926
35K21.75 mi3.11 mi14664-14339803-7141428-10120717124721753
40K24.85 mi3.10 mi14824-1609750+531432-41569695471365
Finish26.22 mi1.37 mi15025-2019836-861434-217982108241566

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×18story building
+279ft-164ft

Overall

10462

Males

7585

M35-39

7585

5K→10K

3.1 - 6.2 mi

Top 33%
×11story building
+103ft-217ft

Overall

9914

Males

7259

M35-39

7259

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+51ft-55ft

Overall

10462

Males

7585

M35-39

7585

15K→21K

9.3 - 13.1 mi

Top 38%
×1story
+20ft-37ft

Overall

11439

Males

8133

M35-39

8133

21K→25K

13.1 - 15.5 mi

Top 40%
×2story building
+35ft-8ft

Overall

12086

Males

8369

M35-39

8369

25K→30K

15.5 - 18.6 mi

Top 75%
×2story building
+58ft-57ft

Overall

22442

Males

13709

M35-39

13709

30K→35K

18.6 - 21.8 mi

Top 69%
×2story building
+98ft-92ft

Overall

20717

Males

12472

M35-39

12472

35K→40K

21.8 - 24.9 mi

Top 52%
×2story building
+36ft-53ft

Overall

15696

Males

9547

M35-39

9547

40K→Finish

24.9 - 26.2 mi

Top 60%
×5story building
+80ft-24ft

Overall

17982

Males

10824

M35-39

10824

Passing Analysis

Category:
Athletes Passed
1152*
Passed By
6749
Net Change
-5597
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9428
5K → 10K203*415-212#9428#9640
10K → 15K137*398-261#9640#9901
15K → 21K175*564-389#9901#10290
21K → 25K168*371-203#10290#10493
25K → 30K31*2769-2738#10493#13231
30K → 35K97*1530-1433#13231#14664
35K → 40K271*431-160#14664#14824
40K → Finish70*271-201#14824#15025
TOTALS1152*6749-5597

* 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