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MARINE CORPS MARATHON 2025

Kassie Zavaliagkos

Boston, MA

Bib: 35510 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F25-29)
#0 / 2322
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
11:03/mi
34:20
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:22/mi
1:06:34
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:24/mi
1:38:52
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:38/mi
2:18:30
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:35/mi
2:44:49
↑ 350.2%
30 ft elev
30K· 18.64 mi
12:45/mi
3:24:25
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:31/mi
4:00:13
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
12:13/mi
4:38:09
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:34/mi
4:56:39
↑ 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
2:18:3010:37 /mi⚡ faster
2nd Half
2:38:0912:01 /mi+14.2%
Positive split — 14.2% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:23:5334:2011:0334:20
11:03
-
10K
6.21 mi08:56:071:06:3410:4332:14
10:22
-0:41
15K
9.32 mi09:28:251:38:5210:3632:18
10:24
+0:02
21K
13.05 mi10:08:032:18:3010:3739:38
10:38
+0:14
25K
15.53 mi10:34:222:44:4910:3726:19
10:35
-0:03
30K
18.64 mi11:13:583:24:2510:5839:36
12:45
+2:10
35K
21.75 mi11:49:464:00:1311:0335:48
11:31
-1:14
40K
24.85 mi12:27:424:38:0911:1137:56
12:13
+0:42
Finish
26.22 mi12:46:124:56:3911:1918:30
13:34
+1:21

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

10:22 /mi

Average Pace

11:19 /mi

Slowest Pace

13:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:32

22% of race

Time at Steady Pace

2:16:05

46% of race

Time at Slower Pace

1:36:02

32% of race

Average Pace: 11:19 /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 mi08:23:5334:2011:0334:20
11:03
#18440
10K
6.21 mi08:56:071:06:3410:4332:14
10:22
#18310
15K
9.32 mi09:28:251:38:5210:3632:18
10:24
#17826
21K
13.05 mi10:08:032:18:3010:3739:38
10:38
#17240
25K
15.53 mi10:34:222:44:4910:3726:19
10:35
#16950
30K
18.64 mi11:13:583:24:2510:5839:36
12:45
#17883
35K
21.75 mi11:49:464:00:1311:0335:48
11:31
#17290
40K
24.85 mi12:27:424:38:0911:1137:56
12:13
#17048
Finish
26.22 mi12:46:124:56:3911:1918:30
13:34
#17353
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi18440628814521719756951348
10K6.21 mi3.10 mi18310+1306205+831440+121831061911423
15K9.32 mi3.11 mi17826+4845969+2361385+551719756951348
21K13.05 mi3.73 mi17240+5865724+2451342+431649354521297
25K15.53 mi2.48 mi16950+2905637+871319+231635756301346
30K18.64 mi3.11 mi17883-9336175-5381437-1182090779881770
35K21.75 mi3.11 mi17290+5936059+1161424+131501756111346
40K24.85 mi3.10 mi17048+2426078-191431-71580961971431
Finish26.22 mi1.37 mi17353-3056254-1761473-422086183721847

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×18story building
+279ft-164ft

Overall

17197

Females

5695

F25-29

5695

5K→10K

3.1 - 6.2 mi

Top 61%
×11story building
+103ft-217ft

Overall

18310

Females

6191

F25-29

6191

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+51ft-55ft

Overall

17197

Females

5695

F25-29

5695

15K→21K

9.3 - 13.1 mi

Top 55%
×1story
+20ft-37ft

Overall

16493

Females

5452

F25-29

5452

21K→25K

13.1 - 15.5 mi

Top 54%
×2story building
+35ft-8ft

Overall

16357

Females

5630

F25-29

5630

25K→30K

15.5 - 18.6 mi

Top 70%
×2story building
+58ft-57ft

Overall

20907

Females

7988

F25-29

7988

30K→35K

18.6 - 21.8 mi

Top 50%
×2story building
+98ft-92ft

Overall

15017

Females

5611

F25-29

5611

35K→40K

21.8 - 24.9 mi

Top 53%
×2story building
+36ft-53ft

Overall

15809

Females

6197

F25-29

6197

40K→Finish

24.9 - 26.2 mi

Top 69%
×5story building
+80ft-24ft

Overall

20861

Females

8372

F25-29

8372

Passing Analysis

Category:
Athletes Passed
3819*
Passed By
2732
Net Change
+1087
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18440
5K → 10K531*401+130#18440#18310
10K → 15K653*169+484#18310#17826
15K → 21K755*169+586#17826#17240
21K → 25K464*174+290#17240#16950
25K → 30K174*1107-933#16950#17883
30K → 35K731*138+593#17883#17290
35K → 40K460*218+242#17290#17048
40K → Finish51*356-305#17048#17353
TOTALS3819*2732+1087

* 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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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions