Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Kelly Decker

Annapolis, MD

Bib: 30643 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Division (F40-44)
#0 / 1527
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
12:36/mi
39:09
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
11:49/mi
1:15:52
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
11:11/mi
1:50:36
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
12:10/mi
2:35:58
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
12:56/mi
3:08:06
↑ 350.2%
30 ft elev
30K· 18.64 mi
14:44/mi
3:53:53
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:41/mi
4:36:24
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
14:37/mi
5:21:50
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
14:24/mi
5:41:28
↑ 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 on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:35:58
Pace11:57 /mi
2nd Half
Distance13.17 mi
Time3:05:29
Pace14:05 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:27:0139:0912:3639:09
12:36
-
10K
6.21 mi09:03:441:15:5212:1336:43
11:49
-0:47
15K
9.32 mi09:38:281:50:3611:5234:44
11:11
-0:38
21K
13.05 mi10:23:502:35:5811:5745:22
12:10
+0:59
25K
15.53 mi10:55:583:08:0612:0732:08
12:56
+0:46
30K
18.64 mi11:41:453:53:5312:3345:47
14:44
+1:48
35K
21.75 mi12:24:164:36:2412:4342:31
13:41
-1:03
40K
24.85 mi13:09:425:21:5012:5745:26
14:37
+0:56
Finish
26.22 mi13:29:205:41:2813:0219:38
14:24
-0:13

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

11:11 /mi

Average Pace

13:02 /mi

Slowest Pace

14:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:49

34% of race

Time at Steady Pace

1:11:17

21% of race

Time at Slower Pace

2:33:22

45% of race

Average Pace: 13:01 /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 mi08:27:0139:0912:3639:09
12:36
#26346
10K
6.21 mi09:03:441:15:5212:1336:43
11:49
#26122
15K
9.32 mi09:38:281:50:3611:5234:44
11:11
#24696
21K
13.05 mi10:23:502:35:5811:5745:22
12:10
#23969
25K
15.53 mi10:55:583:08:0612:0732:08
12:56
#24007
30K
18.64 mi11:41:453:53:5312:3345:47
14:44
#24585
35K
21.75 mi12:24:164:36:2412:4342:31
13:41
#24146
40K
24.85 mi13:09:425:21:5012:5745:26
14:37
#23981
Finish
26.22 mi13:29:205:41:2813:0219:38
14:24
#23926
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi2634610161120621647(Top 72%)7791(Top 63%)910(Top 60%)
10K6.21 mi3.10 mi26122+22410033+1281187+1925834(Top 86%)9914(Top 80%)1175(Top 78%)
15K9.32 mi3.11 mi24696+14269296+7371088+9921647(Top 72%)7791(Top 63%)910(Top 60%)
21K13.05 mi3.73 mi23969+7278968+3281049+3922943(Top 76%)8532(Top 69%)996(Top 66%)
25K15.53 mi2.48 mi24007-389042-741060-1124424(Top 81%)9553(Top 77%)1134(Top 75%)
30K18.64 mi3.11 mi24585-5789415-3731105-4526330(Top 88%)10678(Top 87%)1274(Top 84%)
35K21.75 mi3.11 mi24146+4399294+1211098+722077(Top 73%)8869(Top 72%)1055(Top 70%)
40K24.85 mi3.10 mi23981+1659304-10109823154(Top 77%)9437(Top 76%)1132(Top 75%)
Finish26.22 mi1.37 mi23926+559324-201100-223122(Top 77%)9373(Top 76%)1111(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×18story building
+279ft-164ft

Overall

21647

Females

7791

F40-44

7791

5K→10K

3.1 - 6.2 mi

Top 86%
×11story building
+103ft-217ft

Overall

25834

Females

9914

F40-44

9914

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+51ft-55ft

Overall

21647

Females

7791

F40-44

7791

15K→21K

9.3 - 13.1 mi

Top 76%
×1story
+20ft-37ft

Overall

22943

Females

8532

F40-44

8532

21K→25K

13.1 - 15.5 mi

Top 81%
×2story building
+35ft-8ft

Overall

24424

Females

9553

F40-44

9553

25K→30K

15.5 - 18.6 mi

Top 88%
×2story building
+58ft-57ft

Overall

26330

Females

10678

F40-44

10678

30K→35K

18.6 - 21.8 mi

Top 73%
×2story building
+98ft-92ft

Overall

22077

Females

8869

F40-44

8869

35K→40K

21.8 - 24.9 mi

Top 77%
×2story building
+36ft-53ft

Overall

23154

Females

9437

F40-44

9437

40K→Finish

24.9 - 26.2 mi

Top 77%
×5story building
+80ft-24ft

Overall

23122

Females

9373

F40-44

9373

Passing Analysis

Category:
Athletes Passed
4364*
Passed By
1944
Net Change
+2420
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26346
5K → 10K491*267+224#26346#26122
10K → 15K1434*8+1426#26122#24696
15K → 21K900*173+727#24696#23969
21K → 25K316*354-38#23969#24007
25K → 30K175*753-578#24007#24585
30K → 35K549*110+439#24585#24146
35K → 40K347*182+165#24146#23981
40K → Finish152*97+55#23981#23926
TOTALS4364*1944+2420

* 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