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MARINE CORPS MARATHON 2025

Nikki Henderson

Stoneham, MA

Bib: 776 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 43%
Gender (Female)
#0 / 12338
Top 35%
Masters (Masters Women)
#0 / 5451
Top 24%
Division (F40-44)
#0 / 1527
Top 33%
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
11:03/mi
34:19
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
12:56/mi
1:14:29
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:46/mi
1:44:49
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:04/mi
2:22:21
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:36/mi
2:46:13
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:13/mi
3:17:59
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:03/mi
3:49:13
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:56/mi
4:20:05
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:53/mi
4:33:34
↑ 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
Time2:22:21
Pace10:55 /mi
2nd Half✓ Faster
Distance13.17 mi
Time2:11:12
Pace9:58 /mi
📊Negative Split: 7.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:31:0934:1911:0334:19
11:03
-
10K
6.21 mi09:11:191:14:2911:5940:10
12:56
+1:53
15K
9.32 mi09:41:391:44:4911:1530:20
9:46
-3:10
21K
13.05 mi10:19:112:22:2110:5537:32
10:04
+0:18
25K
15.53 mi10:43:032:46:1310:4223:52
9:36
-0:28
30K
18.64 mi11:14:493:17:5910:3731:46
10:13
+0:37
35K
21.75 mi11:46:033:49:1310:3231:14
10:03
-0:10
40K
24.85 mi12:16:554:20:0510:2830:52
9:56
-0:07
Finish
26.22 mi12:30:244:33:3410:2613:29
9:53
-0:03

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

9:36 /mi

Average Pace

10:26 /mi

Slowest Pace

12:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:19:05

73% of race

Time at Slower Pace

1:14:29

27% of race

Average Pace: 10:26 /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 mi08:31:0934:1911:0334:19
11:03
#18426
10K
6.21 mi09:11:191:14:2911:5940:10
12:56
#25318
15K
9.32 mi09:41:391:44:4911:1530:20
9:46
#21687
21K
13.05 mi10:19:112:22:2110:5537:32
10:04
#18981
25K
15.53 mi10:43:032:46:1310:4223:52
9:36
#17472
30K
18.64 mi11:14:493:17:5910:3731:46
10:13
#16044
35K
21.75 mi11:46:033:49:1310:3231:14
10:03
#14656
40K
24.85 mi12:16:554:20:0510:2830:52
9:56
#13411
Finish
26.22 mi12:30:244:33:3410:2613:29
9:53
#12977
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi18426628171813373(Top 45%)4061(Top 33%)463(Top 31%)
10K6.21 mi3.10 mi25318-68929637-33561133-41528768(Top 96%)11529(Top 93%)1400(Top 93%)
15K9.32 mi3.11 mi21687+36317806+1831896+23713373(Top 45%)4061(Top 33%)463(Top 31%)
21K13.05 mi3.73 mi18981+27066551+1255758+13813551(Top 45%)4191(Top 34%)495(Top 33%)
25K15.53 mi2.48 mi17472+15095883+668682+7611664(Top 39%)3543(Top 29%)397(Top 26%)
30K18.64 mi3.11 mi16044+14285348+535616+6611491(Top 38%)3672(Top 30%)424(Top 28%)
35K21.75 mi3.11 mi14656+13884858+490562+549333(Top 31%)3022(Top 24%)341(Top 23%)
40K24.85 mi3.10 mi13411+12454456+402513+497519(Top 25%)2510(Top 20%)271(Top 18%)
Finish26.22 mi1.37 mi12977+4344316+140496+177479(Top 25%)2553(Top 21%)275(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×18story building
+279ft-164ft

Overall

13373

Females

4061

F40-44

4061

5K→10K

3.1 - 6.2 mi

Top 96%
×11story building
+103ft-217ft

Overall

28768

Females

11529

F40-44

11529

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+51ft-55ft

Overall

13373

Females

4061

F40-44

4061

15K→21K

9.3 - 13.1 mi

Top 45%
×1story
+20ft-37ft

Overall

13551

Females

4191

F40-44

4191

21K→25K

13.1 - 15.5 mi

Top 39%
×2story building
+35ft-8ft

Overall

11664

Females

3543

F40-44

3543

25K→30K

15.5 - 18.6 mi

Top 38%
×2story building
+58ft-57ft

Overall

11491

Females

3672

F40-44

3672

30K→35K

18.6 - 21.8 mi

Top 31%
×2story building
+98ft-92ft

Overall

9333

Females

3022

F40-44

3022

35K→40K

21.8 - 24.9 mi

Top 25%
×2story building
+36ft-53ft

Overall

7519

Females

2510

F40-44

2510

40K→Finish

24.9 - 26.2 mi

Top 25%
×5story building
+80ft-24ft

Overall

7479

Females

2553

F40-44

2553

Passing Analysis

Category:
Athletes Passed
12379*
Passed By
6930
Net Change
+5449
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18426
5K → 10K10*6902-6892#18426#25318
10K → 15K3631*0+3631#25318#21687
15K → 21K2710*4+2706#21687#18981
21K → 25K1510*1+1509#18981#17472
25K → 30K1431*3+1428#17472#16044
30K → 35K1396*8+1388#16044#14656
35K → 40K1251*6+1245#14656#13411
40K → Finish440*6+434#13411#12977
TOTALS12379*6930+5449

* 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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Questions or issues regarding timing data?

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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions