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MARINE CORPS MARATHON 2025

Kevin Koncilja

Boston, MA

Bib: 9751 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 8%
Gender (Male)
#0 / 17709
Top 11%
Division (M35-39)
#0 / 2420
Top 12%
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
8:16/mi
25:42
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:38/mi
49:24
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:50/mi
1:13:44
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:02/mi
1:43:40
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:48/mi
2:03:02
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:02/mi
2:27:58
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:10/mi
2:53:19
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:31/mi
3:19:48
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:52/mi
3:31:54
↑ 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
Time1:43:40
Pace7:57 /mi
2nd Half
Distance13.17 mi
Time1:48:13
Pace8:13 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:47:1625:428:1625:42
8:16
-
10K
6.21 mi08:10:5849:247:5723:42
7:38
-0:38
15K
9.32 mi08:35:181:13:447:5524:20
7:50
+0:12
21K
13.05 mi09:05:141:43:407:5729:56
8:02
+0:12
25K
15.53 mi09:24:362:03:027:5519:22
7:48
-0:14
30K
18.64 mi09:49:322:27:587:5624:56
8:02
+0:14
35K
21.75 mi10:14:532:53:197:5825:21
8:10
+0:08
40K
24.85 mi10:41:223:19:488:0226:29
8:31
+0:21
Finish
26.22 mi10:53:283:31:548:0512:06
8:52
+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

7:38 /mi

Average Pace

8:05 /mi

Slowest Pace

8:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:19

82% of race

Time at Steady Pace

38:35

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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 mi07:47:1625:428:1625:42
8:16
#2422
10K
6.21 mi08:10:5849:247:5723:42
7:38
#2372
15K
9.32 mi08:35:181:13:447:5524:20
7:50
#2519
21K
13.05 mi09:05:141:43:407:5729:56
8:02
#2657
25K
15.53 mi09:24:362:03:027:5519:22
7:48
#2692
30K
18.64 mi09:49:322:27:587:5624:56
8:02
#2573
35K
21.75 mi10:14:532:53:197:5825:21
8:10
#2452
40K
24.85 mi10:41:223:19:488:0226:29
8:31
#2396
Finish
26.22 mi10:53:283:31:548:0512:06
8:52
#2411
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi242219952993045(Top 10%)2486(Top 14%)379(Top 16%)
10K6.21 mi3.10 mi2372+501949+46294+52362(Top 8%)1944(Top 11%)283(Top 12%)
15K9.32 mi3.11 mi2519-1472064-115305-113045(Top 10%)2486(Top 14%)379(Top 16%)
21K13.05 mi3.73 mi2657-1382177-113329-243072(Top 10%)2509(Top 14%)383(Top 16%)
25K15.53 mi2.48 mi2692-352202-25334-52900(Top 10%)2343(Top 13%)348(Top 14%)
30K18.64 mi3.11 mi2573+1192106+96315+192453(Top 8%)1978(Top 11%)291(Top 12%)
35K21.75 mi3.11 mi2452+1211995+111295+202268(Top 8%)1809(Top 10%)276(Top 11%)
40K24.85 mi3.10 mi2396+561932+63296-12711(Top 9%)2058(Top 12%)310(Top 13%)
Finish26.22 mi1.37 mi2411-151939-7294+23773(Top 13%)2706(Top 15%)406(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×18story building
+279ft-164ft

Overall

3045

Males

2486

M35-39

2486

5K→10K

3.1 - 6.2 mi

Top 8%
×11story building
+103ft-217ft

Overall

2362

Males

1944

M35-39

1944

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+51ft-55ft

Overall

3045

Males

2486

M35-39

2486

15K→21K

9.3 - 13.1 mi

Top 10%
×1story
+20ft-37ft

Overall

3072

Males

2509

M35-39

2509

21K→25K

13.1 - 15.5 mi

Top 10%
×2story building
+35ft-8ft

Overall

2900

Males

2343

M35-39

2343

25K→30K

15.5 - 18.6 mi

Top 8%
×2story building
+58ft-57ft

Overall

2453

Males

1978

M35-39

1978

30K→35K

18.6 - 21.8 mi

Top 8%
×2story building
+98ft-92ft

Overall

2268

Males

1809

M35-39

1809

35K→40K

21.8 - 24.9 mi

Top 9%
×2story building
+36ft-53ft

Overall

2711

Males

2058

M35-39

2058

40K→Finish

24.9 - 26.2 mi

Top 13%
×5story building
+80ft-24ft

Overall

3773

Males

2706

M35-39

2706

Passing Analysis

Category:
Athletes Passed
794*
Passed By
783
Net Change
+11
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2422
5K → 10K135*85+50#2422#2372
10K → 15K37*184-147#2372#2519
15K → 21K47*185-138#2519#2657
21K → 25K6297-35#2657#2692
25K → 30K165*46+119#2692#2573
30K → 35K168*47+121#2573#2452
35K → 40K139*83+56#2452#2396
40K → Finish41*56-15#2396#2411
TOTALS794*783+11

* 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