Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Will Chaplow

Washington, DC

Bib: 236 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Top 4%
Gender (Male)
#0 / 17709
Top 5%
Division (M30-34)
#0 / 2603
Top 7%
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
7:09/mi
22:12
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
6:46/mi
43:12
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
6:50/mi
1:04:27
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
6:57/mi
1:30:22
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
6:45/mi
1:47:08
↑ 350.2%
30 ft elev
30K· 18.64 mi
7:09/mi
2:09:20
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
7:32/mi
2:32:43
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
7:56/mi
2:57:21
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:29/mi
3:15:44
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time1:30:22
Pace6:56 /mi
2nd Half
Distance13.17 mi
Time1:45:21
Pace8:00 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:42:5322:127:0922:12
7:09
-
10K
6.21 mi08:03:5343:126:5721:00
6:46
-0:23
15K
9.32 mi08:25:081:04:276:5521:15
6:50
+0:04
21K
13.05 mi08:51:031:30:226:5625:55
6:57
+0:07
25K
15.53 mi09:07:491:47:086:5416:46
6:45
-0:12
30K
18.64 mi09:30:012:09:206:5622:12
7:09
+0:24
35K
21.75 mi09:53:242:32:437:0123:23
7:32
+0:23
40K
24.85 mi10:18:022:57:217:0824:38
7:56
+0:24
Finish
26.22 mi10:36:253:15:447:2818:23
13:29
+5:33

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

6:45 /mi

Average Pace

7:28 /mi

Slowest Pace

13:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:57:21

91% of race

Time at Slower Pace

18:23

9% of race

Average Pace: 7:28 /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 mi07:42:5322:127:0922:12
7:09
#591
10K
6.21 mi08:03:5343:126:5721:00
6:46
#621
15K
9.32 mi08:25:081:04:276:5521:15
6:50
#642
21K
13.05 mi08:51:031:30:226:5625:55
6:57
#639
25K
15.53 mi09:07:491:47:086:5416:46
6:45
#629
30K
18.64 mi09:30:012:09:206:5622:12
7:09
#613
35K
21.75 mi09:53:242:32:437:0123:23
7:32
#618
40K
24.85 mi10:18:022:57:217:0824:38
7:56
#660
Finish
26.22 mi10:36:253:15:447:2818:23
13:29
#1084
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi591545117716(Top 2%)663(Top 4%)135(Top 5%)
10K6.21 mi3.10 mi621-30577-32122-5682(Top 2%)632(Top 4%)132(Top 5%)
15K9.32 mi3.11 mi642-21594-17126-4716(Top 2%)663(Top 4%)135(Top 5%)
21K13.05 mi3.73 mi639+3592+2127-1639(Top 2%)597(Top 3%)127(Top 5%)
25K15.53 mi2.48 mi629+10582+10124+3613(Top 2%)575(Top 3%)122(Top 5%)
30K18.64 mi3.11 mi613+16567+15117+7726(Top 2%)659(Top 4%)133(Top 5%)
35K21.75 mi3.11 mi618-5574-7118-11020(Top 3%)867(Top 5%)170(Top 7%)
40K24.85 mi3.10 mi660-42605-31126-81449(Top 5%)1158(Top 7%)218(Top 8%)
Finish26.22 mi1.37 mi1084-424926-321188-6220599(Top 69%)12357(Top 70%)1941(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×18story building
+279ft-164ft

Overall

716

Males

663

M30-34

663

5K→10K

3.1 - 6.2 mi

Top 2%
×11story building
+103ft-217ft

Overall

682

Males

632

M30-34

632

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+51ft-55ft

Overall

716

Males

663

M30-34

663

15K→21K

9.3 - 13.1 mi

Top 2%
×1story
+20ft-37ft

Overall

639

Males

597

M30-34

597

21K→25K

13.1 - 15.5 mi

Top 2%
×2story building
+35ft-8ft

Overall

613

Males

575

M30-34

575

25K→30K

15.5 - 18.6 mi

Top 2%
×2story building
+58ft-57ft

Overall

726

Males

659

M30-34

659

30K→35K

18.6 - 21.8 mi

Top 3%
×2story building
+98ft-92ft

Overall

1020

Males

867

M30-34

867

35K→40K

21.8 - 24.9 mi

Top 5%
×2story building
+36ft-53ft

Overall

1449

Males

1158

M30-34

1158

40K→Finish

24.9 - 26.2 mi

Top 69%
×5story building
+80ft-24ft

Overall

20599

Males

12357

M30-34

12357

Passing Analysis

Category:
Athletes Passed
134*
Passed By
627
Net Change
-493
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#591
5K → 10K1242-30#591#621
10K → 15K1132-21#621#642
15K → 21K19*16+3#642#639
21K → 25K144+10#639#629
25K → 30K32*16+16#629#613
30K → 35K2227-5#613#618
35K → 40K2365-42#618#660
40K → Finish1*425-424#660#1084
TOTALS134*627-493

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions