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MARINE CORPS MARATHON 2025

Kazunori Nagasawa

Broomfield, CO

Bib: 3348 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 32%
Gender (Male)
#0 / 17709
Top 38%
Division (M35-39)
#0 / 2420
Top 41%
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
9:42/mi
30:08
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:47/mi
57:26
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:49/mi
1:24:48
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:06/mi
1:58:45
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:03/mi
2:21:15
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:03/mi
2:52:28
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:16/mi
3:24:22
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:29/mi
4:00:04
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:29/mi
4:15:44
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:58:459:06 /mi⚡ faster
2nd Half
2:16:5910:24 /mi+15.4%
Positive split — 15.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:57:3730:089:4230:08
9:42
-
10K
6.21 mi08:24:5557:269:1527:18
8:47
-0:55
15K
9.32 mi08:52:171:24:489:0627:22
8:49
+0:02
21K
13.05 mi09:26:141:58:459:0633:57
9:06
+0:17
25K
15.53 mi09:48:442:21:159:0622:30
9:03
-0:03
30K
18.64 mi10:19:572:52:289:1531:13
10:03
+1:00
35K
21.75 mi10:51:513:24:229:2431:54
10:16
+0:13
40K
24.85 mi11:27:334:00:049:4035:42
11:29
+1:13
Finish
26.22 mi11:43:134:15:449:4615:40
11:29
0:00

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

8:47 /mi

Average Pace

9:46 /mi

Slowest Pace

11:29 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:51:07

43% of race

Time at Steady Pace

1:01:21

24% of race

Time at Slower Pace

1:23:16

33% of race

Average Pace: 9:45 /mi

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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.

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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 mi07:57:3730:089:4230:08
9:42
#9857
10K
6.21 mi08:24:5557:269:1527:18
8:47
#8973
15K
9.32 mi08:52:171:24:489:0627:22
8:49
#8579
21K
13.05 mi09:26:141:58:459:0633:57
9:06
#8408
25K
15.53 mi09:48:442:21:159:0622:30
9:03
#8466
30K
18.64 mi10:19:572:52:289:1531:13
10:03
#8906
35K
21.75 mi10:51:513:24:229:2431:54
10:16
#8914
40K
24.85 mi11:27:334:00:049:4035:42
11:29
#9350
Finish
26.22 mi11:43:134:15:449:4615:40
11:29
#9535
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi98577179105178115848855
10K6.21 mi3.10 mi8973+8846639+540979+7279775992883
15K9.32 mi3.11 mi8579+3946380+259937+4278115848855
21K13.05 mi3.73 mi8408+1716264+116921+1684176247915
25K15.53 mi2.48 mi8466-586282-18934-1390926619960
30K18.64 mi3.11 mi8906-4406522-240957-231074673911075
35K21.75 mi3.11 mi8914-86457+65944+13101556759986
40K24.85 mi3.10 mi9350-4366587-130964-201337082191192
Finish26.22 mi1.37 mi9535-1856660-73979-151390785261230

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×18story building
+279ft-164ft

Overall

7811

Males

5848

M35-39

5848

5K→10K

3.1 - 6.2 mi

Top 27%
×11story building
+103ft-217ft

Overall

7977

Males

5992

M35-39

5992

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+51ft-55ft

Overall

7811

Males

5848

M35-39

5848

15K→21K

9.3 - 13.1 mi

Top 28%
×1story
+20ft-37ft

Overall

8417

Males

6247

M35-39

6247

21K→25K

13.1 - 15.5 mi

Top 30%
×2story building
+35ft-8ft

Overall

9092

Males

6619

M35-39

6619

25K→30K

15.5 - 18.6 mi

Top 36%
×2story building
+58ft-57ft

Overall

10746

Males

7391

M35-39

7391

30K→35K

18.6 - 21.8 mi

Top 34%
×2story building
+98ft-92ft

Overall

10155

Males

6759

M35-39

6759

35K→40K

21.8 - 24.9 mi

Top 44%
×2story building
+36ft-53ft

Overall

13370

Males

8219

M35-39

8219

40K→Finish

24.9 - 26.2 mi

Top 46%
×5story building
+80ft-24ft

Overall

13907

Males

8526

M35-39

8526

Passing Analysis

Category:
Athletes Passed
2706*
Passed By
2384
Net Change
+322
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9857
5K → 10K945*61+884#9857#8973
10K → 15K473*79+394#8973#8579
15K → 21K343*172+171#8579#8408
21K → 25K186*244-58#8408#8466
25K → 30K194*634-440#8466#8906
30K → 35K336*344-8#8906#8914
35K → 40K168*604-436#8914#9350
40K → Finish61*246-185#9350#9535
TOTALS2706*2384+322

* 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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Questions or issues regarding timing data?

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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions