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MARINE CORPS MARATHON 2025

Katie Delph

Waldorf, MD

Bib: 10163 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 29%
Gender (Female)
#0 / 12338
Top 21%
Division (F20-24)
#0 / 1404
Top 33%
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
9:27/mi
29:21
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:36/mi
59:09
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:41/mi
1:26:09
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:19/mi
2:00:53
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:23/mi
2:24:13
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:51/mi
2:54:50
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:49/mi
3:25:21
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:35/mi
3:58:14
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:52/mi
4:11:41
↑ 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
Time2:00:53
Pace9:16 /mi
2nd Half
Distance13.17 mi
Time2:10:48
Pace9:56 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:04:0429:219:2729:21
9:27
-
10K
6.21 mi08:33:5259:099:3129:48
9:36
+0:09
15K
9.32 mi09:00:521:26:099:1527:00
8:41
-0:55
21K
13.05 mi09:35:362:00:539:1634:44
9:19
+0:38
25K
15.53 mi09:58:562:24:139:1723:20
9:23
+0:04
30K
18.64 mi10:29:332:54:509:2330:37
9:51
+0:28
35K
21.75 mi11:00:043:25:219:2730:31
9:49
-0:02
40K
24.85 mi11:32:573:58:149:3532:53
10:35
+0:46
Finish
26.22 mi11:46:244:11:419:3613:27
9:52
-0:43

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

8:41 /mi

Average Pace

9:36 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:44

25% of race

Time at Steady Pace

1:53:00

45% of race

Time at Slower Pace

1:16:57

31% of race

Average Pace: 9:36 /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 mi08:04:0429:219:2729:21
9:27
#8309
10K
6.21 mi08:33:5259:099:3129:48
9:36
#10701
15K
9.32 mi09:00:521:26:099:1527:00
8:41
#9503
21K
13.05 mi09:35:362:00:539:1634:44
9:19
#9497
25K
15.53 mi09:58:562:24:139:1723:20
9:23
#9622
30K
18.64 mi10:29:332:54:509:2330:37
9:51
#9577
35K
21.75 mi11:00:043:25:219:2730:31
9:49
#9155
40K
24.85 mi11:32:573:58:149:3532:53
10:35
#9003
Finish
26.22 mi11:46:244:11:419:3613:27
9:52
#8797
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi830921234017018(Top 23%)1699(Top 14%)336(Top 24%)
10K6.21 mi3.10 mi10701-23922966-843516-11513146(Top 44%)3931(Top 32%)645(Top 46%)
15K9.32 mi3.11 mi9503+11982516+450456+607018(Top 23%)1699(Top 14%)336(Top 24%)
21K13.05 mi3.73 mi9497+62524-8459-39661(Top 32%)2594(Top 21%)469(Top 33%)
25K15.53 mi2.48 mi9622-1252589-65460-110606(Top 35%)3084(Top 25%)542(Top 39%)
30K18.64 mi3.11 mi9577+452629-40469-99893(Top 33%)2996(Top 24%)529(Top 38%)
35K21.75 mi3.11 mi9155+4222559+70453+168438(Top 28%)2639(Top 21%)482(Top 34%)
40K24.85 mi3.10 mi9003+1522614-55463-109945(Top 33%)3570(Top 29%)625(Top 45%)
Finish26.22 mi1.37 mi8797+2062573+41459+47396(Top 25%)2514(Top 20%)492(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×18story building
+279ft-164ft

Overall

7018

Females

1699

F20-24

1699

5K→10K

3.1 - 6.2 mi

Top 44%
×11story building
+103ft-217ft

Overall

13146

Females

3931

F20-24

3931

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+51ft-55ft

Overall

7018

Females

1699

F20-24

1699

15K→21K

9.3 - 13.1 mi

Top 32%
×1story
+20ft-37ft

Overall

9661

Females

2594

F20-24

2594

21K→25K

13.1 - 15.5 mi

Top 35%
×2story building
+35ft-8ft

Overall

10606

Females

3084

F20-24

3084

25K→30K

15.5 - 18.6 mi

Top 33%
×2story building
+58ft-57ft

Overall

9893

Females

2996

F20-24

2996

30K→35K

18.6 - 21.8 mi

Top 28%
×2story building
+98ft-92ft

Overall

8438

Females

2639

F20-24

2639

35K→40K

21.8 - 24.9 mi

Top 33%
×2story building
+36ft-53ft

Overall

9945

Females

3570

F20-24

3570

40K→Finish

24.9 - 26.2 mi

Top 25%
×5story building
+80ft-24ft

Overall

7396

Females

2514

F20-24

2514

Passing Analysis

Category:
Athletes Passed
3132*
Passed By
3620
Net Change
-488
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8309
5K → 10K11*2403-2392#8309#10701
10K → 15K1201*3+1198#10701#9503
15K → 21K272*266+6#9503#9497
21K → 25K194319-125#9497#9622
25K → 30K301*256+45#9622#9577
30K → 35K537*115+422#9577#9155
35K → 40K384*232+152#9155#9003
40K → Finish232*26+206#9003#8797
TOTALS3132*3620-488

* 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