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MARINE CORPS MARATHON 2025

Kristopher Boswell

Cheverly, MD

Bib: 8546 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 25%
Gender (Male)
#0 / 17709
Top 31%
Masters (Masters Men)
#0 / 8330
Top 22%
Division (M40-44)
#0 / 2340
Top 29%
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
8:54/mi
27:40
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:58/mi
52:24
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:20/mi
1:18:16
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:05/mi
1:48:25
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:15/mi
2:08:55
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:50/mi
2:36:21
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:41/mi
3:06:27
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:23/mi
3:48:03
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:39/mi
4:03:57
↑ 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
Time1:48:25
Pace8:19 /mi
2nd Half
Distance13.17 mi
Time2:15:32
Pace10:17 /mi
📊Positive Split: 25.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:10:4227:408:5427:40
8:54
-
10K
6.21 mi08:35:2652:248:2624:44
7:58
-0:56
15K
9.32 mi09:01:181:18:168:2425:52
8:20
+0:22
21K
13.05 mi09:31:271:48:258:1930:09
8:05
-0:15
25K
15.53 mi09:51:572:08:558:1820:30
8:15
+0:10
30K
18.64 mi10:19:232:36:218:2327:26
8:50
+0:35
35K
21.75 mi10:49:293:06:278:3430:06
9:41
+0:51
40K
24.85 mi11:31:053:48:039:1141:36
13:23
+3:42
Finish
26.22 mi11:46:594:03:579:1915:54
11:39
-1:44

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

7:58 /mi

Average Pace

9:19 /mi

Slowest Pace

13:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:06:27

76% of race

Time at Slower Pace

57:30

24% of race

Average Pace: 9:18 /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 mi08:10:4227:408:5427:40
8:54
#5041
10K
6.21 mi08:35:2652:248:2624:44
7:58
#4314
15K
9.32 mi09:01:181:18:168:2425:52
8:20
#4441
21K
13.05 mi09:31:271:48:258:1930:09
8:05
#4040
25K
15.53 mi09:51:572:08:558:1820:30
8:15
#4045
30K
18.64 mi10:19:232:36:218:2327:26
8:50
#4156
35K
21.75 mi10:49:293:06:278:3430:06
9:41
#4499
40K
24.85 mi11:31:053:48:039:1141:36
13:23
#7141
Finish
26.22 mi11:46:594:03:579:1915:54
11:39
#7535
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi504139625054869(Top 16%)3858(Top 22%)471(Top 20%)
10K6.21 mi3.10 mi4314+7273450+512432+733706(Top 12%)3008(Top 17%)358(Top 15%)
15K9.32 mi3.11 mi4441-1273546-96435-34869(Top 16%)3858(Top 22%)471(Top 20%)
21K13.05 mi3.73 mi4040+4013250+296394+413261(Top 11%)2663(Top 15%)311(Top 13%)
25K15.53 mi2.48 mi4045-53234+16399-54514(Top 15%)3524(Top 20%)435(Top 19%)
30K18.64 mi3.11 mi4156-1113288-54408-95173(Top 17%)3929(Top 22%)485(Top 21%)
35K21.75 mi3.11 mi4499-3433480-192430-227896(Top 26%)5494(Top 31%)681(Top 29%)
40K24.85 mi3.10 mi7141-26425221-1741657-22719530(Top 65%)11723(Top 66%)1538(Top 66%)
Finish26.22 mi1.37 mi7535-3945446-225680-2314523(Top 48%)8872(Top 50%)1139(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×18story building
+279ft-164ft

Overall

4869

Males

3858

M40-44

3858

5K→10K

3.1 - 6.2 mi

Top 12%
×11story building
+103ft-217ft

Overall

3706

Males

3008

M40-44

3008

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+51ft-55ft

Overall

4869

Males

3858

M40-44

3858

15K→21K

9.3 - 13.1 mi

Top 11%
×1story
+20ft-37ft

Overall

3261

Males

2663

M40-44

2663

21K→25K

13.1 - 15.5 mi

Top 15%
×2story building
+35ft-8ft

Overall

4514

Males

3524

M40-44

3524

25K→30K

15.5 - 18.6 mi

Top 17%
×2story building
+58ft-57ft

Overall

5173

Males

3929

M40-44

3929

30K→35K

18.6 - 21.8 mi

Top 26%
×2story building
+98ft-92ft

Overall

7896

Males

5494

M40-44

5494

35K→40K

21.8 - 24.9 mi

Top 65%
×2story building
+36ft-53ft

Overall

19530

Males

11723

M40-44

11723

40K→Finish

24.9 - 26.2 mi

Top 48%
×5story building
+80ft-24ft

Overall

14523

Males

8872

M40-44

8872

Passing Analysis

Category:
Athletes Passed
1562*
Passed By
4056
Net Change
-2494
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5041
5K → 10K746*19+727#5041#4314
10K → 15K74*201-127#4314#4441
15K → 21K416*15+401#4441#4040
21K → 25K9398-5#4040#4045
25K → 30K102*213-111#4045#4156
30K → 35K93*436-343#4156#4499
35K → 40K13*2655-2642#4499#7141
40K → Finish25*419-394#7141#7535
TOTALS1562*4056-2494

* 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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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions