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MARINE CORPS MARATHON 2025

Belky Boyer

Woodbridge, VA

Bib: 25637 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Division (F50-54)
#0 / 1155
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
14:02/mi
43:35
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
12:57/mi
1:23:50
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
13:23/mi
2:05:25
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
16:06/mi
3:05:27
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
14:15/mi
3:40:51
↑ 350.2%
30 ft elev
30K· 18.64 mi
15:51/mi
4:30:07
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
15:56/mi
5:19:38
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
15:38/mi
6:08:11
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
16:44/mi
6:31:01
↑ 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 21KFaster
Distance13.05 mi
Time3:05:27
Pace14:13 /mi
2nd Half
Distance13.17 mi
Time3:25:33
Pace15:36 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:39:4243:3514:0243:35
14:02
-
10K
6.21 mi09:19:571:23:5013:3040:15
12:57
-1:05
15K
9.32 mi10:01:322:05:2513:2741:35
13:23
+0:26
21K
13.05 mi11:01:343:05:2714:131:00:02
16:06
+2:43
25K
15.53 mi11:36:583:40:5114:1335:24
14:15
-1:51
30K
18.64 mi12:26:144:30:0714:2949:16
15:51
+1:36
35K
21.75 mi13:15:455:19:3814:4249:31
15:56
+0:05
40K
24.85 mi14:04:186:08:1114:4948:33
15:38
-0:18
Finish
26.22 mi14:27:086:31:0114:5522:50
16:44
+1:06

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

12:57 /mi

Average Pace

14:55 /mi

Slowest Pace

16:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:49

41% of race

Time at Steady Pace

3:27:22

53% of race

Time at Slower Pace

22:50

6% of race

Average Pace: 14:55 /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 mi08:39:4243:3514:0243:35
14:02
#29557
10K
6.21 mi09:19:571:23:5013:3040:15
12:57
#29169
15K
9.32 mi10:01:322:05:2513:2741:35
13:23
#29055
21K
13.05 mi11:01:343:05:2714:131:00:02
16:06
#29551
25K
15.53 mi11:36:583:40:5114:1335:24
14:15
#29339
30K
18.64 mi12:26:144:30:0714:2949:16
15:51
#29210
35K
21.75 mi13:15:455:19:3814:4249:31
15:56
#29072
40K
24.85 mi14:04:186:08:1114:4948:33
15:38
#28663
Finish
26.22 mi14:27:086:31:0114:5522:50
16:44
#28598
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi2955711983106328476(Top 95%)11380(Top 92%)1000(Top 88%)
10K6.21 mi3.10 mi29169+38811743+2401028+3528795(Top 96%)11548(Top 94%)1006(Top 89%)
15K9.32 mi3.11 mi29055+11411683+601024+428476(Top 95%)11380(Top 92%)1000(Top 88%)
21K13.05 mi3.73 mi29551-49612016-3331070-4629790(Top 99%)12175(Top 99%)1109(Top 98%)
25K15.53 mi2.48 mi29339+21211909+1071056+1427413(Top 91%)11097(Top 90%)966(Top 85%)
30K18.64 mi3.11 mi29210+12911869+401055+128313(Top 94%)11587(Top 94%)1035(Top 91%)
35K21.75 mi3.11 mi29072+13811821+481052+327447(Top 91%)11282(Top 91%)983(Top 87%)
40K24.85 mi3.10 mi28663+40911629+1921025+2725543(Top 85%)10469(Top 85%)886(Top 78%)
Finish26.22 mi1.37 mi28598+6511602+271024+127226(Top 91%)11134(Top 90%)961(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×18story building
+279ft-164ft

Overall

28476

Females

11380

F50-54

11380

5K→10K

3.1 - 6.2 mi

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

Overall

28795

Females

11548

F50-54

11548

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+51ft-55ft

Overall

28476

Females

11380

F50-54

11380

15K→21K

9.3 - 13.1 mi

Top 99%
×1story
+20ft-37ft

Overall

29790

Females

12175

F50-54

12175

21K→25K

13.1 - 15.5 mi

Top 91%
×2story building
+35ft-8ft

Overall

27413

Females

11097

F50-54

11097

25K→30K

15.5 - 18.6 mi

Top 94%
×2story building
+58ft-57ft

Overall

28313

Females

11587

F50-54

11587

30K→35K

18.6 - 21.8 mi

Top 91%
×2story building
+98ft-92ft

Overall

27447

Females

11282

F50-54

11282

35K→40K

21.8 - 24.9 mi

Top 85%
×2story building
+36ft-53ft

Overall

25543

Females

10469

F50-54

10469

40K→Finish

24.9 - 26.2 mi

Top 91%
×5story building
+80ft-24ft

Overall

27226

Females

11134

F50-54

11134

Passing Analysis

Category:
Athletes Passed
1852*
Passed By
893
Net Change
+959
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#29557
5K → 10K448*60+388#29557#29169
10K → 15K241*127+114#29169#29055
15K → 21K80*576-496#29055#29551
21K → 25K226*14+212#29551#29339
25K → 30K185*56+129#29339#29210
30K → 35K169*31+138#29210#29072
35K → 40K417*8+409#29072#28663
40K → Finish86*21+65#28663#28598
TOTALS1852*893+959

* 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