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MARINE CORPS MARATHON 2025

Thomas Knowles

Ashburn, VA

Bib: 8946 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 25%
Gender (Male)
#0 / 17709
Top 30%
Masters (Masters Men)
#0 / 8330
Top 22%
Division (M55-59)
#0 / 1294
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
9:25/mi
29:15
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:46/mi
56:30
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:43/mi
1:23:34
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:41/mi
1:55:58
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:16/mi
2:16:31
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:59/mi
2:44:26
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:03/mi
3:15:40
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:21/mi
3:47:48
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:10/mi
4:03:02
↑ 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
Time1:55:58
Pace8:53 /mi
2nd Half
Distance13.17 mi
Time2:07:03
Pace9:39 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:56:4029:159:2529:15
9:25
-
10K
6.21 mi08:23:5556:309:0627:15
8:46
-0:39
15K
9.32 mi08:50:591:23:348:5827:04
8:43
-0:03
21K
13.05 mi09:23:231:55:588:5332:24
8:41
-0:02
25K
15.53 mi09:43:562:16:318:4720:33
8:16
-0:25
30K
18.64 mi10:11:512:44:268:4927:55
8:59
+0:43
35K
21.75 mi10:43:053:15:409:0031:14
10:03
+1:04
40K
24.85 mi11:15:133:47:489:1032:08
10:21
+0:18
Finish
26.22 mi11:30:274:03:029:1715:14
11:10
+0:49

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

9:17 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:33

8% of race

Time at Steady Pace

2:23:53

59% of race

Time at Slower Pace

1:18:36

32% of race

Average Pace: 9:16 /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 mi07:56:4029:159:2529:15
9:25
#8098
10K
6.21 mi08:23:5556:309:0627:15
8:46
#7987
15K
9.32 mi08:50:591:23:348:5827:04
8:43
#7636
21K
13.05 mi09:23:231:55:588:5332:24
8:41
#6974
25K
15.53 mi09:43:562:16:318:4720:33
8:16
#6426
30K
18.64 mi10:11:512:44:268:4927:55
8:59
#6178
35K
21.75 mi10:43:053:15:409:0031:14
10:03
#6664
40K
24.85 mi11:15:133:47:489:1032:08
10:21
#7080
Finish
26.22 mi11:30:274:03:029:1715:14
11:10
#7385
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi8098604824571495406210
10K6.21 mi3.10 mi7987+1115980+68235+1078905933239
15K9.32 mi3.11 mi7636+3515756+224232+371495406210
21K13.05 mi3.73 mi6974+6625307+449207+2557774481151
25K15.53 mi2.48 mi6426+5484942+365185+2246043592110
30K18.64 mi3.11 mi6178+2484720+222173+1259414440164
35K21.75 mi3.11 mi6664-4864985-265191-1893346312282
40K24.85 mi3.10 mi7080-4165177-192198-789835839272
Finish26.22 mi1.37 mi7385-3055349-172210-12125857768387

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×18story building
+279ft-164ft

Overall

7149

Males

5406

M55-59

5406

5K→10K

3.1 - 6.2 mi

Top 26%
×11story building
+103ft-217ft

Overall

7890

Males

5933

M55-59

5933

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+51ft-55ft

Overall

7149

Males

5406

M55-59

5406

15K→21K

9.3 - 13.1 mi

Top 19%
×1story
+20ft-37ft

Overall

5777

Males

4481

M55-59

4481

21K→25K

13.1 - 15.5 mi

Top 15%
×2story building
+35ft-8ft

Overall

4604

Males

3592

M55-59

3592

25K→30K

15.5 - 18.6 mi

Top 20%
×2story building
+58ft-57ft

Overall

5941

Males

4440

M55-59

4440

30K→35K

18.6 - 21.8 mi

Top 31%
×2story building
+98ft-92ft

Overall

9334

Males

6312

M55-59

6312

35K→40K

21.8 - 24.9 mi

Top 30%
×2story building
+36ft-53ft

Overall

8983

Males

5839

M55-59

5839

40K→Finish

24.9 - 26.2 mi

Top 42%
×5story building
+80ft-24ft

Overall

12585

Males

7768

M55-59

7768

Passing Analysis

Category:
Athletes Passed
2733*
Passed By
2020
Net Change
+713
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8098
5K → 10K357*246+111#8098#7987
10K → 15K432*81+351#7987#7636
15K → 21K695*33+662#7636#6974
21K → 25K5557+548#6974#6426
25K → 30K344*96+248#6426#6178
30K → 35K159*645-486#6178#6664
35K → 40K153*569-416#6664#7080
40K → Finish38*343-305#7080#7385
TOTALS2733*2020+713

* 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