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MARINE CORPS MARATHON 2025

Kelsey Gaston

Lehighton, PA

Bib: 7516 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F20-24)
#0 / 1404
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
13:33/mi
42:06
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
13:24/mi
1:23:43
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
14:09/mi
2:07:40
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
15:11/mi
3:04:17
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
15:41/mi
3:43:17
↑ 350.2%
30 ft elev
30K· 18.64 mi
16:07/mi
4:33:20
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
17:03/mi
5:26:17
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
18:31/mi
6:23:49
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
18:56/mi
6:49:38
↑ 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
Time3:04:17
Pace14:07 /mi
2nd Half
Distance13.17 mi
Time3:45:21
Pace17:07 /mi
📊Positive Split: 22.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:24:4542:0613:3342:06
13:33
-
10K
6.21 mi09:06:221:23:4313:2841:37
13:24
-0:09
15K
9.32 mi09:50:192:07:4013:4243:57
14:09
+0:45
21K
13.05 mi10:46:563:04:1714:0756:37
15:11
+1:02
25K
15.53 mi11:25:563:43:1714:2239:00
15:41
+0:30
30K
18.64 mi12:15:594:33:2014:4050:03
16:07
+0:26
35K
21.75 mi13:08:565:26:1715:0052:57
17:03
+0:56
40K
24.85 mi14:06:286:23:4915:2757:32
18:31
+1:28
Finish
26.22 mi14:32:176:49:3815:3825:49
18:56
+0:25

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

13:24 /mi

Average Pace

15:38 /mi

Slowest Pace

18:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:40

31% of race

Time at Steady Pace

2:25:40

36% of race

Time at Slower Pace

2:16:18

33% of race

Average Pace: 15:37 /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 mi08:24:4542:0613:3342:06
13:33
#28777
10K
6.21 mi09:06:221:23:4313:2841:37
13:24
#29144
15K
9.32 mi09:50:192:07:4013:4243:57
14:09
#29422
21K
13.05 mi10:46:563:04:1714:0756:37
15:11
#29474
25K
15.53 mi11:25:563:43:1714:2239:00
15:41
#29469
30K
18.64 mi12:15:594:33:2014:4050:03
16:07
#29376
35K
21.75 mi13:08:565:26:1715:0052:57
17:03
#29327
40K
24.85 mi14:06:286:23:4915:2757:32
18:31
#29306
Finish
26.22 mi14:32:176:49:3815:3825:49
18:56
#29286
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi2877711522137329432(Top 98%)11939(Top 97%)1383(Top 99%)
10K6.21 mi3.10 mi29144-36711726-2041385-1229404(Top 98%)11905(Top 96%)1389(Top 99%)
15K9.32 mi3.11 mi29422-27811913-1871389-429432(Top 98%)11939(Top 97%)1383(Top 99%)
21K13.05 mi3.73 mi29474-5211962-491391-229262(Top 97%)11889(Top 96%)1374(Top 98%)
25K15.53 mi2.48 mi29469+511983-211393-229180(Top 97%)11937(Top 97%)1374(Top 98%)
30K18.64 mi3.11 mi29376+9311960+231392+128585(Top 95%)11705(Top 95%)1374(Top 98%)
35K21.75 mi3.11 mi29327+4911946+141393-128777(Top 96%)11843(Top 96%)1375(Top 98%)
40K24.85 mi3.10 mi29306+2111949-31387+628983(Top 96%)11918(Top 97%)1375(Top 98%)
Finish26.22 mi1.37 mi29286+2011953-41385+228988(Top 96%)11913(Top 97%)1376(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×18story building
+279ft-164ft

Overall

29432

Females

11939

F20-24

11939

5K→10K

3.1 - 6.2 mi

Top 98%
×11story building
+103ft-217ft

Overall

29404

Females

11905

F20-24

11905

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+51ft-55ft

Overall

29432

Females

11939

F20-24

11939

15K→21K

9.3 - 13.1 mi

Top 97%
×1story
+20ft-37ft

Overall

29262

Females

11889

F20-24

11889

21K→25K

13.1 - 15.5 mi

Top 97%
×2story building
+35ft-8ft

Overall

29180

Females

11937

F20-24

11937

25K→30K

15.5 - 18.6 mi

Top 95%
×2story building
+58ft-57ft

Overall

28585

Females

11705

F20-24

11705

30K→35K

18.6 - 21.8 mi

Top 96%
×2story building
+98ft-92ft

Overall

28777

Females

11843

F20-24

11843

35K→40K

21.8 - 24.9 mi

Top 96%
×2story building
+36ft-53ft

Overall

28983

Females

11918

F20-24

11918

40K→Finish

24.9 - 26.2 mi

Top 96%
×5story building
+80ft-24ft

Overall

28988

Females

11913

F20-24

11913

Passing Analysis

Category:
Athletes Passed
833*
Passed By
1342
Net Change
-509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28777
5K → 10K83*450-367#28777#29144
10K → 15K82*360-278#29144#29422
15K → 21K148*200-52#29422#29474
21K → 25K111*106+5#29474#29469
25K → 30K152*59+93#29469#29376
30K → 35K102*53+49#29376#29327
35K → 40K97*76+21#29327#29306
40K → Finish58*38+20#29306#29286
TOTALS833*1342-509

* 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