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MARINE CORPS MARATHON 2025

Amy Kornoelje

Grand Rapids, MI

Bib: 10072 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 41%
Gender (Female)
#0 / 12338
Top 32%
Masters (Masters Women)
#0 / 5451
Top 22%
Division (F55-59)
#0 / 873
Top 14%
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
10:49/mi
33:37
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:09/mi
1:05:10
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:04/mi
1:36:27
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:52/mi
2:16:57
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:41/mi
2:41:01
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:04/mi
3:12:17
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:54/mi
3:43:02
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:21/mi
4:15:12
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:17/mi
4:29:13
↑ 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
2:16:5710:30 /mi+3.4%
2nd Half
2:12:1510:03 /mi✓ faster
Negative split — 3.4% faster in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
33:3710:493.11 mi33:37
10:49
-
10K
1:05:1010:293.10 mi31:33
10:09
-0:40
15K
1:36:2710:213.11 mi31:17
10:04
-0:05
21K
2:16:5710:303.73 mi40:30
10:52
+0:48
25K
2:41:0110:222.48 mi24:04
9:41
-1:11
30K
3:12:1710:193.11 mi31:16
10:04
+0:23
35K
3:43:0210:153.11 mi30:45
9:54
-0:10
40K
4:15:1210:163.10 mi32:10
10:21
+0:27
Finish(26.22 mi)
4:29:1310:171.37 mi14:01
10:17
-0:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:41 /mi

Average Pace

10:17 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:15:06

72% of race

Time at Steady Pace

1:14:07

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:16 /mi

Loading chart...
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. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi169295587228151404823172
10K3.10 mi16763+1665485+102219+9167535462216
15K3.11 mi16079+6845187+298199+20151404823172
21K3.73 mi16498-4195373-186216-17177416016259
25K2.48 mi15479+10194999+374188+28120423701111
30K3.11 mi14370+11094617+382160+28108123376100
35K3.11 mi13227+11434256+361137+238720276359
40K3.10 mi12426+8014041+215127+109020316290
Finish(26.22 mi)1.37 mi12208+2183994+47124+39049325274

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×18story building
+279ft-164ft

Overall

15140

Females

4823

F55-59

4823

5K→10K

3.1 - 6.2 mi

Top 56%
×11story building
+103ft-217ft

Overall

16753

Females

5462

F55-59

5462

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+51ft-55ft

Overall

15140

Females

4823

F55-59

4823

15K→21K

9.3 - 13.1 mi

Top 59%
×1story
+20ft-37ft

Overall

17741

Females

6016

F55-59

6016

21K→25K

13.1 - 15.5 mi

Top 40%
×2story building
+35ft-8ft

Overall

12042

Females

3701

F55-59

3701

25K→30K

15.5 - 18.6 mi

Top 36%
×2story building
+58ft-57ft

Overall

10812

Females

3376

F55-59

3376

30K→35K

18.6 - 21.8 mi

Top 29%
×2story building
+98ft-92ft

Overall

8720

Females

2763

F55-59

2763

35K→40K

21.8 - 24.9 mi

Top 30%
×2story building
+36ft-53ft

Overall

9020

Females

3162

F55-59

3162

40K→Finish

24.9 - 26.2 mi

Top 30%
×5story building
+80ft-24ft

Overall

9049

Females

3252

F55-59

3252

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#16929
5K → 10K
375541*+166
#16929 → #16763
10K → 15K
80764*+684
#16763 → #16079
15K → 21K
758339*-419
#16079 → #16498
21K → 25K
101029*+1019
#16498 → #15479
25K → 30K
71116*+1109
#15479 → #14370
30K → 35K
141157*+1143
#14370 → #13227
35K → 40K
60861*+801
#13227 → #12426
40K → Finish
32250*+218
#12426 → #12208
TOTALS
13366057*+4721
#16929 → #12208

* 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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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions