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MARINE CORPS MARATHON 2025

May Sebastian

Clarksburg, MD

Bib: 840 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Division (F45-49)
#0 / 1255
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
14:18/mi
44:26
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
13:48/mi
1:27:19
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
14:43/mi
2:13:01
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
16:38/mi
3:15:03
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
17:51/mi
3:59:26
↑ 350.2%
30 ft elev
30K· 18.64 mi
19:42/mi
5:00:38
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
16:59/mi
5:53:25
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:23/mi
6:22:35
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
18:27/mi
6:47:45
↑ 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
Time3:15:03
Pace14:57 /mi
2nd Half
Distance13.17 mi
Time3:32:42
Pace16:09 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:48:3444:2614:1844:26
14:18
-
10K
6.21 mi09:31:271:27:1914:0342:53
13:48
-0:30
15K
9.32 mi10:17:092:13:0114:1645:42
14:43
+0:55
21K
13.05 mi11:19:113:15:0314:571:02:02
16:38
+1:55
25K
15.53 mi12:03:343:59:2615:2544:23
17:51
+1:13
30K
18.64 mi13:04:465:00:3816:081:01:12
19:42
+1:51
35K
21.75 mi13:57:335:53:2516:1552:47
16:59
-2:43
40K
24.85 mi14:26:436:22:3515:2429:10
9:23
-7:36
Finish
26.22 mi14:51:536:47:4515:3425:10
18:27
+9:04

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

9:23 /mi

Average Pace

15:34 /mi

Slowest Pace

19:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:11

40% of race

Time at Steady Pace

2:39:12

39% of race

Time at Slower Pace

1:26:22

21% of race

Average Pace: 15:33 /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 mi08:48:3444:2614:1844:26
14:18
#29793
10K
6.21 mi09:31:271:27:1914:0342:53
13:48
#29850
15K
9.32 mi10:17:092:13:0114:1645:42
14:43
#29893
21K
13.05 mi11:19:113:15:0314:571:02:02
16:38
#29958
25K
15.53 mi12:03:343:59:2615:2544:23
17:51
#29970
30K
18.64 mi13:04:465:00:3816:081:01:12
19:42
#29970
35K
21.75 mi13:57:335:53:2516:1552:47
16:59
#29913
40K
24.85 mi14:26:436:22:3515:2429:10
9:23
#29270
Finish
26.22 mi14:51:536:47:4515:3425:10
18:27
#29227
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi29793121281212829838(Top 99%)12175(Top 99%)12175(Top 970%)
10K6.21 mi3.10 mi29850-5712167-3912167-3929832(Top 99%)12164(Top 99%)12164(Top 969%)
15K9.32 mi3.11 mi29893-4312204-3712204-3729838(Top 99%)12175(Top 99%)12175(Top 970%)
21K13.05 mi3.73 mi29958-6512246-4212246-4229975(Top 100%)12287(Top 100%)12287(Top 979%)
25K15.53 mi2.48 mi29970-1212263-1712263-1729980(Top 100%)12303(Top 100%)12303(Top 980%)
30K18.64 mi3.11 mi2997012283-2012283-2030034(Top 100%)12341(Top 100%)12341(Top 983%)
35K21.75 mi3.11 mi29913+5712260+2312260+2328715(Top 96%)11813(Top 96%)11813(Top 941%)
40K24.85 mi3.10 mi29270+64311924+33611924+3365525(Top 18%)1677(Top 14%)1677(Top 134%)
Finish26.22 mi1.37 mi29227+4311915+911915+928727(Top 96%)11798(Top 96%)11798(Top 940%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×18story building
+279ft-164ft

Overall

29838

Females

12175

F45-49

12175

5K→10K

3.1 - 6.2 mi

Top 99%
×11story building
+103ft-217ft

Overall

29832

Females

12164

F45-49

12164

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+51ft-55ft

Overall

29838

Females

12175

F45-49

12175

15K→21K

9.3 - 13.1 mi

Top 100%
×1story
+20ft-37ft

Overall

29975

Females

12287

F45-49

12287

21K→25K

13.1 - 15.5 mi

Top 100%
×2story building
+35ft-8ft

Overall

29980

Females

12303

F45-49

12303

25K→30K

15.5 - 18.6 mi

Top 100%
×2story building
+58ft-57ft

Overall

30034

Females

12341

F45-49

12341

30K→35K

18.6 - 21.8 mi

Top 96%
×2story building
+98ft-92ft

Overall

28715

Females

11813

F45-49

11813

35K→40K

21.8 - 24.9 mi

Top 18%
×2story building
+36ft-53ft

Overall

5525

Females

1677

F45-49

1677

40K→Finish

24.9 - 26.2 mi

Top 96%
×5story building
+80ft-24ft

Overall

28727

Females

11798

F45-49

11798

Passing Analysis

Category:
Athletes Passed
1157*
Passed By
591
Net Change
+566
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#29793
5K → 10K86*143-57#29793#29850
10K → 15K71*114-43#29850#29893
15K → 21K80*145-65#29893#29958
21K → 25K62*74-12#29958#29970
25K → 30K78*780#29970#29970
30K → 35K70*13+57#29970#29913
35K → 40K643*0+643#29913#29270
40K → Finish67*24+43#29270#29227
TOTALS1157*591+566

* 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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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions