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MARINE CORPS MARATHON 2025

Kerry Gruson

Miami Beach, FL

Bib: 41015 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 28%
Gender (Female)
#0 / 12338
Top 19%
Masters (Masters Women)
#0 / 5451
Top 12%
Division (F75-79)
#0 / 13
Top 15%
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
10:48/mi
33:33
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:30/mi
1:03:04
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:01/mi
1:31:06
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:55/mi
2:04:21
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:43/mi
2:26:00
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:14/mi
2:54:42
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:05/mi
3:26:03
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:23/mi
3:55:12
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:05/mi
4:08:57
↑ 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
2:04:219:32 /mi⚖️ balanced
2nd Half
2:04:359:28 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
33:3310:483.11 mi33:33
10:48
-
10K
1:03:0410:093.10 mi29:31
9:30
-1:18
15K
1:31:069:463.11 mi28:02
9:01
-0:29
21K
2:04:219:323.73 mi33:15
8:55
-0:06
25K
2:26:009:242.48 mi21:39
8:43
-0:12
30K
2:54:429:223.11 mi28:42
9:14
+0:31
35K
3:26:039:283.11 mi31:21
10:05
+0:51
40K
3:55:129:283.10 mi29:09
9:23
-0:42
Finish(26.22 mi)
4:08:579:301.37 mi13:45
10:05
+0:42
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:43 /mi

Average Pace

9:30 /mi

Slowest Pace

10:48 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:22:56

33% of race

Time at Steady Pace

1:27:22

35% of race

Time at Slower Pace

1:18:39

32% of race

Average Pace: 9:30 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF75-79Seg. OverallSeg. FemalesSeg. F75-79
5K3.11 mi1680355345534925524472447
10K3.10 mi14539+22644524+10104524+10101259136913691
15K3.11 mi12600+19393714+8103714+810925524472447
21K3.73 mi10974+16263074+6403074+640717217321732
25K2.48 mi10246+7282831+2432831+243702517471747
30K3.11 mi9540+7062617+2142617+214725319601960
35K3.11 mi9306+2342620-32620-3947830873087
40K3.10 mi8447+8592393+2272393+227552116751675
Finish(26.22 mi)1.37 mi8328+1192391+22391+2830429232923

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×18story building
+279ft-164ft

Overall

9255

Females

2447

F75-79

2447

5K→10K

3.1 - 6.2 mi

Top 42%
×11story building
+103ft-217ft

Overall

12591

Females

3691

F75-79

3691

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+51ft-55ft

Overall

9255

Females

2447

F75-79

2447

15K→21K

9.3 - 13.1 mi

Top 24%
×1story
+20ft-37ft

Overall

7172

Females

1732

F75-79

1732

21K→25K

13.1 - 15.5 mi

Top 23%
×2story building
+35ft-8ft

Overall

7025

Females

1747

F75-79

1747

25K→30K

15.5 - 18.6 mi

Top 24%
×2story building
+58ft-57ft

Overall

7253

Females

1960

F75-79

1960

30K→35K

18.6 - 21.8 mi

Top 32%
×2story building
+98ft-92ft

Overall

9478

Females

3087

F75-79

3087

35K→40K

21.8 - 24.9 mi

Top 18%
×2story building
+36ft-53ft

Overall

5521

Females

1675

F75-79

1675

40K→Finish

24.9 - 26.2 mi

Top 28%
×5story building
+80ft-24ft

Overall

8304

Females

2923

F75-79

2923

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#16803
5K → 10K
142278*+2264
#16803 → #14539
10K → 15K
31942*+1939
#14539 → #12600
15K → 21K
31629*+1626
#12600 → #10974
21K → 25K
6734*+728
#10974 → #10246
25K → 30K
17723*+706
#10246 → #9540
30K → 35K
193427*+234
#9540 → #9306
35K → 40K
13872*+859
#9306 → #8447
40K → Finish
60179*+119
#8447 → #8328
TOTALS
3098784*+8475
#16803 → #8328

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Questions or issues regarding timing data?

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