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MARINE CORPS MARATHON 2025

Duncan Ayles

Westwood, MA

Bib: 374 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 6%
Gender (Male)
#0 / 17709
Top 9%
Division (M20-24)
#0 / 1424
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
7:49/mi
24:18
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:13/mi
46:44
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:23/mi
1:19:01
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:38/mi
1:47:30
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:49/mi
2:09:26
↑ 350.2%
30 ft elev
30K· 18.64 mi
7:25/mi
2:32:27
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
7:23/mi
2:55:24
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
7:13/mi
3:17:50
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
6:57/mi
3:27:19
↑ 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 21K
Distance13.05 mi
Time1:47:30
Pace8:14 /mi
2nd Half✓ Faster
Distance13.17 mi
Time1:39:48
Pace7:35 /mi
📊Negative Split: 7.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:45:1024:187:4924:18
7:49
-
10K
6.21 mi08:07:3646:447:3122:26
7:13
-0:36
15K
9.32 mi08:39:531:19:018:2932:17
10:23
+3:10
21K
13.05 mi09:08:221:47:308:1428:29
7:38
-2:45
25K
15.53 mi09:30:182:09:268:2021:56
8:49
+1:11
30K
18.64 mi09:53:192:32:278:1123:01
7:25
-1:24
35K
21.75 mi10:16:162:55:248:0422:57
7:23
-0:02
40K
24.85 mi10:38:423:17:507:5822:26
7:13
-0:10
Finish
26.22 mi10:48:113:27:197:559:29
6:57
-0:16

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

6:57 /mi

Average Pace

7:55 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:33:06

74% of race

Time at Slower Pace

54:13

26% of race

Average Pace: 7:54 /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 mi07:45:1024:187:4924:18
7:49
#1466
10K
6.21 mi08:07:3646:447:3122:26
7:13
#1452
15K
9.32 mi08:39:531:19:018:2932:17
10:23
#4823
21K
13.05 mi09:08:221:47:308:1428:29
7:38
#3785
25K
15.53 mi09:30:182:09:268:2021:56
8:49
#4170
30K
18.64 mi09:53:192:32:278:1123:01
7:25
#3416
35K
21.75 mi10:16:162:55:248:0422:57
7:23
#2756
40K
24.85 mi10:38:423:17:507:5822:26
7:13
#2139
Finish
26.22 mi10:48:113:27:197:559:29
6:57
#1922
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-24Seg. OverallSeg. MalesSeg. M20-24
5K3.11 mi3.11 mi1466124817017178(Top 57%)11490(Top 65%)1125(Top 79%)
10K6.21 mi3.10 mi1452+141245+3167+31430(Top 5%)1242(Top 7%)165(Top 12%)
15K9.32 mi3.11 mi4823-33713823-2578453-28617178(Top 57%)11490(Top 65%)1125(Top 79%)
21K13.05 mi3.73 mi3785+10383056+767394+591788(Top 6%)1512(Top 9%)207(Top 15%)
25K15.53 mi2.48 mi4170-3853328-272417-237775(Top 26%)5779(Top 33%)646(Top 45%)
30K18.64 mi3.11 mi3416+7542756+572353+641091(Top 4%)939(Top 5%)141(Top 10%)
35K21.75 mi3.11 mi2756+6602228+528296+57834(Top 3%)737(Top 4%)116(Top 8%)
40K24.85 mi3.10 mi2139+6171737+491246+50529(Top 2%)477(Top 3%)80(Top 6%)
Finish26.22 mi1.37 mi1922+2171562+175223+23310(Top 1%)288(Top 2%)56(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×18story building
+279ft-164ft

Overall

17178

Males

11490

M20-24

11490

5K→10K

3.1 - 6.2 mi

Top 5%
×11story building
+103ft-217ft

Overall

1430

Males

1242

M20-24

1242

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+51ft-55ft

Overall

17178

Males

11490

M20-24

11490

15K→21K

9.3 - 13.1 mi

Top 6%
×1story
+20ft-37ft

Overall

1788

Males

1512

M20-24

1512

21K→25K

13.1 - 15.5 mi

Top 26%
×2story building
+35ft-8ft

Overall

7775

Males

5779

M20-24

5779

25K→30K

15.5 - 18.6 mi

Top 4%
×2story building
+58ft-57ft

Overall

1091

Males

939

M20-24

939

30K→35K

18.6 - 21.8 mi

Top 3%
×2story building
+98ft-92ft

Overall

834

Males

737

M20-24

737

35K→40K

21.8 - 24.9 mi

Top 2%
×2story building
+36ft-53ft

Overall

529

Males

477

M20-24

477

40K→Finish

24.9 - 26.2 mi

Top 1%
×5story building
+80ft-24ft

Overall

310

Males

288

M20-24

288

Passing Analysis

Category:
Athletes Passed
3383*
Passed By
3839
Net Change
-456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1466
5K → 10K6753+14#1466#1452
10K → 15K23373-3371#1452#4823
15K → 21K1039*1+1038#4823#3785
21K → 25K27412-385#3785#4170
25K → 30K754*0+754#4170#3416
30K → 35K660*0+660#3416#2756
35K → 40K617*0+617#2756#2139
40K → Finish217*0+217#2139#1922
TOTALS3383*3839-456

* 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