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MARINE CORPS MARATHON 2025

David Sokol

Boston, MA

Bib: 3714 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 16%
Gender (Male)
#0 / 17709
Top 20%
Division (M25-29)
#0 / 2720
Top 29%
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
8:50/mi
27:28
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:09/mi
52:46
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:26/mi
1:18:59
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:29/mi
1:50:38
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:22/mi
2:11:26
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:48/mi
2:38:45
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:11/mi
3:07:16
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:36/mi
3:37:04
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:16/mi
3:49:42
↑ 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
1:50:388:29 /mi⚡ faster
2nd Half
1:59:049:02 /mi+7.6%
Positive split — 7.6% 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 mi07:49:4627:288:5027:28
8:50
-
10K
6.21 mi08:15:0452:468:3025:18
8:09
-0:41
15K
9.32 mi08:41:171:18:598:2826:13
8:26
+0:17
21K
13.05 mi09:12:561:50:388:2931:39
8:29
+0:03
25K
15.53 mi09:33:442:11:268:2820:48
8:22
-0:07
30K
18.64 mi10:01:032:38:458:3127:19
8:48
+0:26
35K
21.75 mi10:29:343:07:168:3728:31
9:11
+0:23
40K
24.85 mi10:59:223:37:048:4429:48
9:36
+0:25
Finish
26.22 mi11:12:003:49:428:4612:38
9:16
-0:20

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

8:09 /mi

Average Pace

8:46 /mi

Slowest Pace

9:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:38:45

69% of race

Time at Steady Pace

1:10:57

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:46 /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 mi07:49:4627:288:5027:28
8:50
#4765
10K
6.21 mi08:15:0452:468:3025:18
8:09
#4550
15K
9.32 mi08:41:171:18:598:2826:13
8:26
#4807
21K
13.05 mi09:12:561:50:388:2931:39
8:29
#4720
25K
15.53 mi09:33:442:11:268:2820:48
8:22
#4702
30K
18.64 mi10:01:032:38:458:3127:19
8:48
#4639
35K
21.75 mi10:29:343:07:168:3728:31
9:11
#4674
40K
24.85 mi10:59:223:37:048:4429:48
9:36
#4749
Finish
26.22 mi11:12:003:49:428:4612:38
9:16
#4727
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi4765376179754144240906
10K6.21 mi3.10 mi4550+2153621+140772+2544503557760
15K9.32 mi3.11 mi4807-2573810-189816-4454144240906
21K13.05 mi3.73 mi4720+873730+80810+647123727800
25K15.53 mi2.48 mi4702+183709+21797+1350723922850
30K18.64 mi3.11 mi4639+633635+74783+1450153814831
35K21.75 mi3.11 mi4674-353611+24776+758114225898
40K24.85 mi3.10 mi4749-753608+3775+162634315905
Finish26.22 mi1.37 mi4727+223570+38778-350733517783

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

5414

Males

4240

M25-29

4240

5K→10K

3.1 - 6.2 mi

Top 15%
×11story building
+103ft-217ft

Overall

4450

Males

3557

M25-29

3557

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+51ft-55ft

Overall

5414

Males

4240

M25-29

4240

15K→21K

9.3 - 13.1 mi

Top 16%
×1story
+20ft-37ft

Overall

4712

Males

3727

M25-29

3727

21K→25K

13.1 - 15.5 mi

Top 17%
×2story building
+35ft-8ft

Overall

5072

Males

3922

M25-29

3922

25K→30K

15.5 - 18.6 mi

Top 17%
×2story building
+58ft-57ft

Overall

5015

Males

3814

M25-29

3814

30K→35K

18.6 - 21.8 mi

Top 19%
×2story building
+98ft-92ft

Overall

5811

Males

4225

M25-29

4225

35K→40K

21.8 - 24.9 mi

Top 21%
×2story building
+36ft-53ft

Overall

6263

Males

4315

M25-29

4315

40K→Finish

24.9 - 26.2 mi

Top 17%
×5story building
+80ft-24ft

Overall

5073

Males

3517

M25-29

3517

Passing Analysis

Category:
Athletes Passed
1340*
Passed By
1302
Net Change
+38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4765
5K → 10K330*115+215#4765#4550
10K → 15K51*308-257#4550#4807
15K → 21K184*97+87#4807#4720
21K → 25K127109+18#4720#4702
25K → 30K188*125+63#4702#4639
30K → 35K185*220-35#4639#4674
35K → 40K181*256-75#4674#4749
40K → Finish94*72+22#4749#4727
TOTALS1340*1302+38

* 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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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions