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MARINE CORPS MARATHON 2025

Natalie O'Connor

Windham, NH

Bib: 39757 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 46%
Gender (Female)
#0 / 12338
Top 38%
Masters (Masters Women)
#0 / 5451
Top 27%
Division (F40-44)
#0 / 1527
Top 36%
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
11:00/mi
34:12
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:20/mi
1:06:18
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:57/mi
1:37:14
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:26/mi
2:16:07
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:06/mi
2:41:14
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:17/mi
3:16:16
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:27/mi
3:48:44
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:49/mi
4:22:19
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:49/mi
4:38:26
↑ 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
2:16:0710:26 /mi⚡ faster
2nd Half
2:22:1810:48 /mi+4.5%
Positive split — 4.5% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:26:0134:1211:0034:12
11:00
-
10K
6.21 mi08:58:071:06:1810:4032:06
10:20
-0:40
15K
9.32 mi09:29:031:37:1410:2630:56
9:57
-0:23
21K
13.05 mi10:07:562:16:0710:2638:53
10:26
+0:29
25K
15.53 mi10:33:032:41:1410:2325:07
10:06
-0:20
30K
18.64 mi11:08:053:16:1610:3235:02
11:17
+1:11
35K
21.75 mi11:40:333:48:4410:3132:28
10:27
-0:50
40K
24.85 mi12:14:084:22:1910:3333:35
10:49
+0:22
Finish
26.22 mi12:30:154:38:2610:3816:07
11:49
+1:00

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

9:57 /mi

Average Pace

10:38 /mi

Slowest Pace

11:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:05

69% of race

Time at Steady Pace

1:09:14

25% of race

Time at Slower Pace

16:07

6% of race

Average Pace: 10:37 /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.

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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 mi08:26:0134:1211:0034:12
11:00
#18157
10K
6.21 mi08:58:071:06:1810:4032:06
10:20
#18037
15K
9.32 mi09:29:031:37:1410:2630:56
9:57
#16667
21K
13.05 mi10:07:562:16:0710:2638:53
10:26
#16085
25K
15.53 mi10:33:032:41:1410:2325:07
10:06
#15560
30K
18.64 mi11:08:053:16:1610:3235:02
11:17
#15545
35K
21.75 mi11:40:333:48:4410:3132:28
10:27
#14557
40K
24.85 mi12:14:084:22:1910:3333:35
10:49
#13866
Finish
26.22 mi12:30:154:38:2610:3816:07
11:49
#13921
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi181576153711145264559531
10K6.21 mi3.10 mi18037+1206074+79701+10180006043712
15K9.32 mi3.11 mi16667+13705430+644640+61145264559531
21K13.05 mi3.73 mi16085+5825217+213604+36154414985573
25K15.53 mi2.48 mi15560+5255033+184584+20140734591509
30K18.64 mi3.11 mi15545+155124-91591-7158665641645
35K21.75 mi3.11 mi14557+9884812+312559+32108503712418
40K24.85 mi3.10 mi13866+6914647+165535+24108013944451
Finish26.22 mi1.37 mi13921-554724-77542-7150875893663

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×18story building
+279ft-164ft

Overall

14526

Females

4559

F40-44

4559

5K→10K

3.1 - 6.2 mi

Top 60%
×11story building
+103ft-217ft

Overall

18000

Females

6043

F40-44

6043

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+51ft-55ft

Overall

14526

Females

4559

F40-44

4559

15K→21K

9.3 - 13.1 mi

Top 51%
×1story
+20ft-37ft

Overall

15441

Females

4985

F40-44

4985

21K→25K

13.1 - 15.5 mi

Top 47%
×2story building
+35ft-8ft

Overall

14073

Females

4591

F40-44

4591

25K→30K

15.5 - 18.6 mi

Top 53%
×2story building
+58ft-57ft

Overall

15866

Females

5641

F40-44

5641

30K→35K

18.6 - 21.8 mi

Top 36%
×2story building
+98ft-92ft

Overall

10850

Females

3712

F40-44

3712

35K→40K

21.8 - 24.9 mi

Top 36%
×2story building
+36ft-53ft

Overall

10801

Females

3944

F40-44

3944

40K→Finish

24.9 - 26.2 mi

Top 50%
×5story building
+80ft-24ft

Overall

15087

Females

5893

F40-44

5893

Passing Analysis

Category:
Athletes Passed
5476*
Passed By
1240
Net Change
+4236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18157
5K → 10K496*376+120#18157#18037
10K → 15K1388*18+1370#18037#16667
15K → 21K740*158+582#16667#16085
21K → 25K600*75+525#16085#15560
25K → 30K375*360+15#15560#15545
30K → 35K1015*27+988#15545#14557
35K → 40K746*55+691#14557#13866
40K → Finish116*171-55#13866#13921
TOTALS5476*1240+4236

* 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