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MARINE CORPS MARATHON 2025

Katherine Fennel Kelly

Wakefield, MA

Bib: 37601 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 43%
Gender (Female)
#0 / 12338
Top 35%
Division (F35-39)
#0 / 1413
Top 35%
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
11:30/mi
35:44
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:22/mi
1:07:57
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:16/mi
1:39:52
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:32/mi
2:19:08
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:44/mi
2:43:19
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:15/mi
3:15:09
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:07/mi
3:46:34
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:17/mi
4:18:30
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:22/mi
4:32:38
↑ 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 21K
Distance13.05 mi
Time2:19:08
Pace10:40 /mi
2nd Half✓ Faster
Distance13.17 mi
Time2:13:30
Pace10:08 /mi
📊Negative Split: 4.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:25:2335:4411:3035:44
11:30
-
10K
6.21 mi08:57:361:07:5710:5632:13
10:22
-1:08
15K
9.32 mi09:29:311:39:5210:4331:55
10:16
-0:06
21K
13.05 mi10:08:472:19:0810:4039:16
10:32
+0:16
25K
15.53 mi10:32:582:43:1910:3124:11
9:44
-0:48
30K
18.64 mi11:04:483:15:0910:2831:50
10:15
+0:31
35K
21.75 mi11:36:133:46:3410:2531:25
10:07
-0:08
40K
24.85 mi12:08:094:18:3010:2431:56
10:17
+0:10
Finish
26.22 mi12:22:174:32:3810:2414:08
10:22
+0:05

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

9:44 /mi

Average Pace

10:24 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:56:54

87% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

35:44

13% of race

Average Pace: 10:24 /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 mi08:25:2335:4411:3035:44
11:30
#21250
10K
6.21 mi08:57:361:07:5710:5632:13
10:22
#19810
15K
9.32 mi09:29:311:39:5210:4331:55
10:16
#18531
21K
13.05 mi10:08:472:19:0810:4039:16
10:32
#17526
25K
15.53 mi10:32:582:43:1910:3124:11
9:44
#16368
30K
18.64 mi11:04:483:15:0910:2831:50
10:15
#15242
35K
21.75 mi11:36:133:46:3410:2531:25
10:07
#14033
40K
24.85 mi12:08:094:18:3010:2431:56
10:17
#13109
Finish
26.22 mi12:22:174:32:3810:2414:08
10:22
#12811
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
5K3.11 mi3.11 mi212507635870164015355623
10K6.21 mi3.10 mi19810+14406927+708789+81183006186720
15K9.32 mi3.11 mi18531+12796303+624730+59164015355623
21K13.05 mi3.73 mi17526+10055853+450668+62160145251605
25K15.53 mi2.48 mi16368+11585383+470619+49123003805432
30K18.64 mi3.11 mi15242+11264988+395570+49115943713413
35K21.75 mi3.11 mi14033+12094601+387537+3395483119371
40K24.85 mi3.10 mi13109+9244340+261503+3487573063350
Finish26.22 mi1.37 mi12811+2984263+77494+994153417400

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×18story building
+279ft-164ft

Overall

16401

Females

5355

F35-39

5355

5K→10K

3.1 - 6.2 mi

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

Overall

18300

Females

6186

F35-39

6186

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+51ft-55ft

Overall

16401

Females

5355

F35-39

5355

15K→21K

9.3 - 13.1 mi

Top 53%
×1story
+20ft-37ft

Overall

16014

Females

5251

F35-39

5251

21K→25K

13.1 - 15.5 mi

Top 41%
×2story building
+35ft-8ft

Overall

12300

Females

3805

F35-39

3805

25K→30K

15.5 - 18.6 mi

Top 39%
×2story building
+58ft-57ft

Overall

11594

Females

3713

F35-39

3713

30K→35K

18.6 - 21.8 mi

Top 32%
×2story building
+98ft-92ft

Overall

9548

Females

3119

F35-39

3119

35K→40K

21.8 - 24.9 mi

Top 29%
×2story building
+36ft-53ft

Overall

8757

Females

3063

F35-39

3063

40K→Finish

24.9 - 26.2 mi

Top 31%
×5story building
+80ft-24ft

Overall

9415

Females

3417

F35-39

3417

Passing Analysis

Category:
Athletes Passed
8704*
Passed By
265
Net Change
+8439
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21250
5K → 10K1522*82+1440#21250#19810
10K → 15K1311*32+1279#19810#18531
15K → 21K1078*73+1005#18531#17526
21K → 25K1162*4+1158#17526#16368
25K → 30K1138*12+1126#16368#15242
30K → 35K1225*16+1209#15242#14033
35K → 40K947*23+924#14033#13109
40K → Finish321*23+298#13109#12811
TOTALS8704*265+8439

* 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