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MARINE CORPS MARATHON 2025

John Silsby

Washington, DC

Bib: 31441 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Male)
#0 / 17709
Masters (Masters Men)
#0 / 8330
Division (M60-64)
#0 / 723
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
12:17/mi
38:10
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
11:30/mi
1:13:55
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
11:13/mi
1:48:47
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:52/mi
2:33:02
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
11:49/mi
3:02:25
↑ 350.2%
30 ft elev
30K· 18.64 mi
12:47/mi
3:42:08
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:10/mi
4:23:02
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:28/mi
5:04:53
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:07/mi
5:22:47
↑ 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
Time2:33:02
Pace11:44 /mi
2nd Half
Distance13.17 mi
Time2:49:45
Pace12:53 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:22:0538:1012:1738:10
12:17
-
10K
6.21 mi08:57:501:13:5511:5435:45
11:30
-0:47
15K
9.32 mi09:32:421:48:4711:4034:52
11:13
-0:17
21K
13.05 mi10:16:572:33:0211:4444:15
11:52
+0:39
25K
15.53 mi10:46:203:02:2511:4529:23
11:49
-0:03
30K
18.64 mi11:26:033:42:0811:5539:43
12:47
+0:58
35K
21.75 mi12:06:574:23:0212:0640:54
13:10
+0:23
40K
24.85 mi12:48:485:04:5312:1641:51
13:28
+0:18
Finish
26.22 mi13:06:425:22:4712:1917:54
13:07
-0:21

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

11:13 /mi

Average Pace

12:19 /mi

Slowest Pace

13:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:15

45% of race

Time at Steady Pace

38:10

12% of race

Time at Slower Pace

2:20:22

43% of race

Average Pace: 12:19 /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 mi08:22:0538:1012:1738:10
12:17
#25216
10K
6.21 mi08:57:501:13:5511:5435:45
11:30
#24981
15K
9.32 mi09:32:421:48:4711:4034:52
11:13
#23848
21K
13.05 mi10:16:572:33:0211:4444:15
11:52
#23117
25K
15.53 mi10:46:203:02:2511:4529:23
11:49
#22632
30K
18.64 mi11:26:033:42:0811:5539:43
12:47
#22176
35K
21.75 mi12:06:574:23:0212:0640:54
13:10
#21851
40K
24.85 mi12:48:485:04:5312:1641:51
13:28
#21533
Finish
26.22 mi13:06:425:22:4712:1917:54
13:07
#21350
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi252161564452821860(Top 73%)13962(Top 79%)416(Top 58%)
10K6.21 mi3.10 mi24981+23515540+104523+524652(Top 82%)15340(Top 87%)503(Top 70%)
15K9.32 mi3.11 mi23848+113314987+553489+3421860(Top 73%)13962(Top 79%)416(Top 58%)
21K13.05 mi3.73 mi23117+73114573+414464+2521911(Top 73%)13878(Top 78%)431(Top 60%)
25K15.53 mi2.48 mi22632+48514289+284452+1221066(Top 70%)13194(Top 75%)414(Top 58%)
30K18.64 mi3.11 mi22176+45613957+332436+1621025(Top 70%)12987(Top 73%)410(Top 57%)
35K21.75 mi3.11 mi21851+32513680+277429+720414(Top 68%)12316(Top 70%)397(Top 55%)
40K24.85 mi3.10 mi21533+31813403+277423+619761(Top 66%)11854(Top 67%)371(Top 52%)
Finish26.22 mi1.37 mi21350+18313276+127416+719545(Top 65%)11771(Top 66%)346(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×18story building
+279ft-164ft

Overall

21860

Males

13962

M60-64

13962

5K→10K

3.1 - 6.2 mi

Top 82%
×11story building
+103ft-217ft

Overall

24652

Males

15340

M60-64

15340

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+51ft-55ft

Overall

21860

Males

13962

M60-64

13962

15K→21K

9.3 - 13.1 mi

Top 73%
×1story
+20ft-37ft

Overall

21911

Males

13878

M60-64

13878

21K→25K

13.1 - 15.5 mi

Top 70%
×2story building
+35ft-8ft

Overall

21066

Males

13194

M60-64

13194

25K→30K

15.5 - 18.6 mi

Top 70%
×2story building
+58ft-57ft

Overall

21025

Males

12987

M60-64

12987

30K→35K

18.6 - 21.8 mi

Top 68%
×2story building
+98ft-92ft

Overall

20414

Males

12316

M60-64

12316

35K→40K

21.8 - 24.9 mi

Top 66%
×2story building
+36ft-53ft

Overall

19761

Males

11854

M60-64

11854

40K→Finish

24.9 - 26.2 mi

Top 65%
×5story building
+80ft-24ft

Overall

19545

Males

11771

M60-64

11771

Passing Analysis

Category:
Athletes Passed
4934*
Passed By
1068
Net Change
+3866
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25216
5K → 10K528*293+235#25216#24981
10K → 15K1167*34+1133#24981#23848
15K → 21K873*142+731#23848#23117
21K → 25K591*106+485#23117#22632
25K → 30K592*136+456#22632#22176
30K → 35K489*164+325#22176#21851
35K → 40K461*143+318#21851#21533
40K → Finish233*50+183#21533#21350
TOTALS4934*1068+3866

* 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