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MARINE CORPS MARATHON 2025

Julia Cobb

Vienna, VA

Bib: 1107 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 50%
Gender (Female)
#0 / 12338
Top 42%
Masters (Masters Women)
#0 / 5451
Top 30%
Division (F45-49)
#0 / 1255
Top 34%
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
10:56/mi
33:59
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:22/mi
1:06:10
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:17/mi
1:38:07
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:43/mi
2:18:06
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:29/mi
2:44:10
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:59/mi
3:18:17
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:56/mi
3:52:14
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:28/mi
4:27:53
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:50/mi
4:44:01
↑ 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
2:18:0610:35 /mi⚡ faster
2nd Half
2:25:5511:05 /mi+5.7%
Positive split — 5.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:18:5333:5910:5633:59
10:56
-
10K
6.21 mi08:51:041:06:1010:3932:11
10:22
-0:34
15K
9.32 mi09:23:011:38:0710:3231:57
10:17
-0:05
21K
13.05 mi10:03:002:18:0610:3539:59
10:43
+0:26
25K
15.53 mi10:29:042:44:1010:3426:04
10:29
-0:14
30K
18.64 mi11:03:113:18:1710:3834:07
10:59
+0:30
35K
21.75 mi11:37:083:52:1410:4133:57
10:56
-0:03
40K
24.85 mi12:12:474:27:5310:4735:39
11:28
+0:32
Finish
26.22 mi12:28:554:44:0110:5016:08
11:50
+0:22

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

10:17 /mi

Average Pace

10:50 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:52:14

82% of race

Time at Steady Pace

51:47

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:50 /mi

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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 mi08:18:5333:5910:5633:59
10:56
#17711
10K
6.21 mi08:51:041:06:1010:3932:11
10:22
#17903
15K
9.32 mi09:23:011:38:0710:3231:57
10:17
#17280
21K
13.05 mi10:03:002:18:0610:3539:59
10:43
#17045
25K
15.53 mi10:29:042:44:1010:3426:04
10:29
#16695
30K
18.64 mi11:03:113:18:1710:3834:07
10:59
#16136
35K
21.75 mi11:37:083:52:1410:4133:57
10:56
#15410
40K
24.85 mi12:12:474:27:5310:4735:39
11:28
#14977
Finish
26.22 mi12:28:554:44:0110:5016:08
11:50
#14963
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi177115938504164505383430
10K6.21 mi3.10 mi17903-1926010-72510-6181976144529
15K9.32 mi3.11 mi17280+6235715+295481+29164505383430
21K13.05 mi3.73 mi17045+2355639+76480+1170465700488
25K15.53 mi2.48 mi16695+3505525+114466+14158575379429
30K18.64 mi3.11 mi16136+5595390+135440+26146635074409
35K21.75 mi3.11 mi15410+7265194+196418+22127444599364
40K24.85 mi3.10 mi14977+4335137+57415+3132895115419
Finish26.22 mi1.37 mi14963+145164-27421-6151295909490

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×18story building
+279ft-164ft

Overall

16450

Females

5383

F45-49

5383

5K→10K

3.1 - 6.2 mi

Top 61%
×11story building
+103ft-217ft

Overall

18197

Females

6144

F45-49

6144

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+51ft-55ft

Overall

16450

Females

5383

F45-49

5383

15K→21K

9.3 - 13.1 mi

Top 57%
×1story
+20ft-37ft

Overall

17046

Females

5700

F45-49

5700

21K→25K

13.1 - 15.5 mi

Top 53%
×2story building
+35ft-8ft

Overall

15857

Females

5379

F45-49

5379

25K→30K

15.5 - 18.6 mi

Top 49%
×2story building
+58ft-57ft

Overall

14663

Females

5074

F45-49

5074

30K→35K

18.6 - 21.8 mi

Top 42%
×2story building
+98ft-92ft

Overall

12744

Females

4599

F45-49

4599

35K→40K

21.8 - 24.9 mi

Top 44%
×2story building
+36ft-53ft

Overall

13289

Females

5115

F45-49

5115

40K→Finish

24.9 - 26.2 mi

Top 50%
×5story building
+80ft-24ft

Overall

15129

Females

5909

F45-49

5909

Passing Analysis

Category:
Athletes Passed
4348*
Passed By
1600
Net Change
+2748
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17711
5K → 10K350*542-192#17711#17903
10K → 15K741*118+623#17903#17280
15K → 21K564*329+235#17280#17045
21K → 25K479*129+350#17045#16695
25K → 30K684*125+559#16695#16136
30K → 35K824*98+726#16136#15410
35K → 40K563*130+433#15410#14977
40K → Finish143*129+14#14977#14963
TOTALS4348*1600+2748

* 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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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