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MARINE CORPS MARATHON 2025

David Chi

Seattle, WA

Bib: 5124 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 11%
Gender (Male)
#0 / 17709
Top 15%
Division (M30-34)
#0 / 2603
Top 19%
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
7:50/mi
24:19
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:23/mi
47:14
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:28/mi
1:10:27
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:54/mi
1:39:56
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:46/mi
1:59:14
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:34/mi
2:25:51
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:29/mi
2:55:19
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:13/mi
3:27:04
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:30/mi
3:40:01
↑ 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
Time1:39:56
Pace7:40 /mi
2nd Half
Distance13.17 mi
Time2:00:05
Pace9:07 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:47:0224:197:5024:19
7:50
-
10K
6.21 mi08:09:5747:147:3622:55
7:23
-0:27
15K
9.32 mi08:33:101:10:277:3423:13
7:28
+0:05
21K
13.05 mi09:02:391:39:567:4029:29
7:54
+0:26
25K
15.53 mi09:21:571:59:147:4119:18
7:46
-0:08
30K
18.64 mi09:48:342:25:517:4926:37
8:34
+0:48
35K
21.75 mi10:18:022:55:198:0429:28
9:29
+0:55
40K
24.85 mi10:49:473:27:048:2031:45
10:13
+0:44
Finish
26.22 mi11:02:443:40:018:2412:57
9:30
-0:43

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

7:23 /mi

Average Pace

8:24 /mi

Slowest Pace

10:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:55

10% of race

Time at Steady Pace

1:36:19

44% of race

Time at Slower Pace

1:40:47

46% of race

Average Pace: 8:23 /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 mi07:47:0224:197:5024:19
7:50
#1473
10K
6.21 mi08:09:5747:147:3622:55
7:23
#1583
15K
9.32 mi08:33:101:10:277:3423:13
7:28
#1661
21K
13.05 mi09:02:391:39:567:4029:29
7:54
#1819
25K
15.53 mi09:21:571:59:147:4119:18
7:46
#1907
30K
18.64 mi09:48:342:25:517:4926:37
8:34
#2179
35K
21.75 mi10:18:022:55:198:0429:28
9:29
#2743
40K
24.85 mi10:49:473:27:048:2031:45
10:13
#3232
Finish
26.22 mi11:02:443:40:018:2412:57
9:30
#3313
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi1473125426118271545313
10K6.21 mi3.10 mi1583-1101348-94280-1917521486299
15K9.32 mi3.11 mi1661-781408-60285-518271545313
21K13.05 mi3.73 mi1819-1581527-119311-2625812132408
25K15.53 mi2.48 mi1907-881591-64328-1728102276443
30K18.64 mi3.11 mi2179-2721789-198359-3141243202584
35K21.75 mi3.11 mi2743-5642216-427430-7171005011874
40K24.85 mi3.10 mi3232-4892546-330482-5285375572937
Finish26.22 mi1.37 mi3313-812590-44486-459464024700

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×18story building
+279ft-164ft

Overall

1827

Males

1545

M30-34

1545

5K→10K

3.1 - 6.2 mi

Top 6%
×11story building
+103ft-217ft

Overall

1752

Males

1486

M30-34

1486

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+51ft-55ft

Overall

1827

Males

1545

M30-34

1545

15K→21K

9.3 - 13.1 mi

Top 9%
×1story
+20ft-37ft

Overall

2581

Males

2132

M30-34

2132

21K→25K

13.1 - 15.5 mi

Top 9%
×2story building
+35ft-8ft

Overall

2810

Males

2276

M30-34

2276

25K→30K

15.5 - 18.6 mi

Top 14%
×2story building
+58ft-57ft

Overall

4124

Males

3202

M30-34

3202

30K→35K

18.6 - 21.8 mi

Top 24%
×2story building
+98ft-92ft

Overall

7100

Males

5011

M30-34

5011

35K→40K

21.8 - 24.9 mi

Top 28%
×2story building
+36ft-53ft

Overall

8537

Males

5572

M30-34

5572

40K→Finish

24.9 - 26.2 mi

Top 20%
×5story building
+80ft-24ft

Overall

5946

Males

4024

M30-34

4024

Passing Analysis

Category:
Athletes Passed
199*
Passed By
2039
Net Change
-1840
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1473
5K → 10K27137-110#1473#1583
10K → 15K1795-78#1583#1661
15K → 21K11*169-158#1661#1819
21K → 25K22110-88#1819#1907
25K → 30K24*296-272#1907#2179
30K → 35K22586-564#2179#2743
35K → 40K37*526-489#2743#3232
40K → Finish39*120-81#3232#3313
TOTALS199*2039-1840

* 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