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MARINE CORPS MARATHON 2025

Sean Dennelly

Mill Creek, WA

Bib: 2828 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 10%
Gender (Male)
#0 / 17709
Top 14%
Division (M25-29)
#0 / 2720
Top 20%
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
8:31/mi
26:27
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:01/mi
51:20
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:04/mi
1:16:25
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:17/mi
1:47:17
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:01/mi
2:07:12
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:22/mi
2:33:12
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:52/mi
3:00:44
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:36/mi
3:27:28
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:04/mi
3:38:28
↑ 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
Time1:47:17
Pace8:13 /mi
2nd Half
Distance13.17 mi
Time1:51:11
Pace8:27 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:51:2926:278:3126:27
8:31
-
10K
6.21 mi08:16:2251:208:1624:53
8:01
-0:30
15K
9.32 mi08:41:271:16:258:1225:05
8:04
+0:03
21K
13.05 mi09:12:191:47:178:1330:52
8:17
+0:13
25K
15.53 mi09:32:142:07:128:1119:55
8:01
-0:16
30K
18.64 mi09:58:142:33:128:1326:00
8:22
+0:21
35K
21.75 mi10:25:463:00:448:1927:32
8:52
+0:30
40K
24.85 mi10:52:303:27:288:2126:44
8:36
-0:16
Finish
26.22 mi11:03:303:38:288:2011:00
8:04
-0:32

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

8:01 /mi

Average Pace

8:20 /mi

Slowest Pace

8:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:56

87% of race

Time at Steady Pace

27:32

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi07:51:2926:278:3126:27
8:31
#3339
10K
6.21 mi08:16:2251:208:1624:53
8:01
#3612
15K
9.32 mi08:41:271:16:258:1225:05
8:04
#3688
21K
13.05 mi09:12:191:47:178:1330:52
8:17
#3715
25K
15.53 mi09:32:142:07:128:1119:55
8:01
#3665
30K
18.64 mi09:58:142:33:128:1326:00
8:22
#3563
35K
21.75 mi10:25:463:00:448:1927:32
8:52
#3533
40K
24.85 mi10:52:303:27:288:2126:44
8:36
#3285
Finish
26.22 mi11:03:303:38:288:2011:00
8:04
#3134
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi333926995933873(Top 13%)3126(Top 18%)697(Top 26%)
10K6.21 mi3.10 mi3612-2732929-230642-493901(Top 13%)3159(Top 18%)674(Top 25%)
15K9.32 mi3.11 mi3688-762986-57659-173873(Top 13%)3126(Top 18%)697(Top 26%)
21K13.05 mi3.73 mi3715-273007-21655+43884(Top 13%)3123(Top 18%)697(Top 26%)
25K15.53 mi2.48 mi3665+502956+51651+43623(Top 12%)2886(Top 16%)636(Top 23%)
30K18.64 mi3.11 mi3563+1022872+84642+93424(Top 11%)2703(Top 15%)605(Top 22%)
35K21.75 mi3.11 mi3533+302809+63621+214481(Top 15%)3329(Top 19%)719(Top 26%)
40K24.85 mi3.10 mi3285+2482584+225563+582931(Top 10%)2203(Top 12%)474(Top 17%)
Finish26.22 mi1.37 mi3134+1512461+123538+251634(Top 5%)1267(Top 7%)305(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×18story building
+279ft-164ft

Overall

3873

Males

3126

M25-29

3126

5K→10K

3.1 - 6.2 mi

Top 13%
×11story building
+103ft-217ft

Overall

3901

Males

3159

M25-29

3159

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+51ft-55ft

Overall

3873

Males

3126

M25-29

3126

15K→21K

9.3 - 13.1 mi

Top 13%
×1story
+20ft-37ft

Overall

3884

Males

3123

M25-29

3123

21K→25K

13.1 - 15.5 mi

Top 12%
×2story building
+35ft-8ft

Overall

3623

Males

2886

M25-29

2886

25K→30K

15.5 - 18.6 mi

Top 11%
×2story building
+58ft-57ft

Overall

3424

Males

2703

M25-29

2703

30K→35K

18.6 - 21.8 mi

Top 15%
×2story building
+98ft-92ft

Overall

4481

Males

3329

M25-29

3329

35K→40K

21.8 - 24.9 mi

Top 10%
×2story building
+36ft-53ft

Overall

2931

Males

2203

M25-29

2203

40K→Finish

24.9 - 26.2 mi

Top 5%
×5story building
+80ft-24ft

Overall

1634

Males

1267

M25-29

1267

Passing Analysis

Category:
Athletes Passed
1109*
Passed By
904
Net Change
+205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3339
5K → 10K56*329-273#3339#3612
10K → 15K78*154-76#3612#3688
15K → 21K96*123-27#3688#3715
21K → 25K10656+50#3715#3665
25K → 30K161*59+102#3665#3563
30K → 35K165*135+30#3563#3533
35K → 40K291*43+248#3533#3285
40K → Finish156*5+151#3285#3134
TOTALS1109*904+205

* 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