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MARINE CORPS MARATHON 2025

Jennifer Checo

Alexandria, VA

Bib: 1272 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
10:59/mi
34:07
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:50/mi
1:07:45
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:34/mi
1:40:36
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:43/mi
2:24:18
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
11:30/mi
2:52:52
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:48/mi
3:29:32
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
12:41/mi
4:08:56
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
15:08/mi
4:55:58
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
15:11/mi
5:16:41
↑ 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
Time2:24:18
Pace11:04 /mi
2nd Half
Distance13.17 mi
Time2:52:22
Pace13:05 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:59:1034:0710:5934:07
10:59
-
10K
6.21 mi08:32:481:07:4510:5433:38
10:50
-0:09
15K
9.32 mi09:05:391:40:3610:4832:51
10:34
-0:16
21K
13.05 mi09:49:212:24:1811:0443:42
11:43
+1:09
25K
15.53 mi10:17:552:52:5211:0828:34
11:30
-0:13
30K
18.64 mi10:54:353:29:3211:1436:40
11:48
+0:18
35K
21.75 mi11:33:594:08:5611:2739:24
12:41
+0:53
40K
24.85 mi12:21:014:55:5811:5447:02
15:08
+2:27
Finish
26.22 mi12:41:445:16:4112:0520:43
15:11
+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

10:34 /mi

Average Pace

12:05 /mi

Slowest Pace

15:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:29

21% of race

Time at Steady Pace

2:23:03

45% of race

Time at Slower Pace

1:47:09

34% of race

Average Pace: 12:05 /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 mi07:59:1034:0710:5934:07
10:59
#17990
10K
6.21 mi08:32:481:07:4510:5433:38
10:50
#19566
15K
9.32 mi09:05:391:40:3610:4832:51
10:34
#18994
21K
13.05 mi09:49:212:24:1811:0443:42
11:43
#19736
25K
15.53 mi10:17:552:52:5211:0828:34
11:30
#19698
30K
18.64 mi10:54:353:29:3211:1436:40
11:48
#19226
35K
21.75 mi11:33:594:08:5611:2739:24
12:41
#19191
40K
24.85 mi12:21:014:55:5811:5447:02
15:08
#20144
Finish
26.22 mi12:41:445:16:4112:0520:43
15:11
#20497
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi17990607351618292(Top 61%)6213(Top 50%)525(Top 42%)
10K6.21 mi3.10 mi19566-15766814-741602-8621147(Top 70%)7547(Top 61%)678(Top 55%)
15K9.32 mi3.11 mi18994+5726521+293567+3518292(Top 61%)6213(Top 50%)525(Top 42%)
21K13.05 mi3.73 mi19736-7426894-373607-4021426(Top 71%)7794(Top 63%)686(Top 55%)
25K15.53 mi2.48 mi19698+386946-52610-319983(Top 67%)7360(Top 60%)648(Top 52%)
30K18.64 mi3.11 mi19226+4726801+145605+517843(Top 59%)6538(Top 53%)577(Top 46%)
35K21.75 mi3.11 mi19191+356922-121615-1018919(Top 63%)7399(Top 60%)661(Top 53%)
40K24.85 mi3.10 mi20144-9537460-538658-4324437(Top 81%)9998(Top 81%)958(Top 77%)
Finish26.22 mi1.37 mi20497-3537659-199684-2624861(Top 83%)10131(Top 82%)977(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×18story building
+279ft-164ft

Overall

18292

Females

6213

F45-49

6213

5K→10K

3.1 - 6.2 mi

Top 70%
×11story building
+103ft-217ft

Overall

21147

Females

7547

F45-49

7547

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+51ft-55ft

Overall

18292

Females

6213

F45-49

6213

15K→21K

9.3 - 13.1 mi

Top 71%
×1story
+20ft-37ft

Overall

21426

Females

7794

F45-49

7794

21K→25K

13.1 - 15.5 mi

Top 67%
×2story building
+35ft-8ft

Overall

19983

Females

7360

F45-49

7360

25K→30K

15.5 - 18.6 mi

Top 59%
×2story building
+58ft-57ft

Overall

17843

Females

6538

F45-49

6538

30K→35K

18.6 - 21.8 mi

Top 63%
×2story building
+98ft-92ft

Overall

18919

Females

7399

F45-49

7399

35K→40K

21.8 - 24.9 mi

Top 81%
×2story building
+36ft-53ft

Overall

24437

Females

9998

F45-49

9998

40K→Finish

24.9 - 26.2 mi

Top 83%
×5story building
+80ft-24ft

Overall

24861

Females

10131

F45-49

10131

Passing Analysis

Category:
Athletes Passed
2661*
Passed By
5168
Net Change
-2507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17990
5K → 10K96*1672-1576#17990#19566
10K → 15K720*148+572#19566#18994
15K → 21K328*1070-742#18994#19736
21K → 25K368*330+38#19736#19698
25K → 30K622*150+472#19698#19226
30K → 35K405*370+35#19226#19191
35K → 40K88*1041-953#19191#20144
40K → Finish34*387-353#20144#20497
TOTALS2661*5168-2507

* 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