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MARINE CORPS MARATHON 2025

Ali Grass

Chesapeake, VA

Bib: 18263 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 18%
Gender (Female)
#0 / 12338
Top 11%
Division (F30-34)
#0 / 1621
Top 13%
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
9:09/mi
28:25
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:37/mi
55:10
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:40/mi
1:22:06
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:54/mi
1:55:17
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:34/mi
2:16:35
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:56/mi
2:44:20
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:05/mi
3:12:33
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:17/mi
3:41:24
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:11/mi
3:53:55
↑ 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
Time1:55:17
Pace8:50 /mi
2nd Half
Distance13.17 mi
Time1:58:37
Pace9:00 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:00:2028:259:0928:25
9:09
-
10K
6.21 mi08:27:0555:108:5326:45
8:37
-0:32
15K
9.32 mi08:54:011:22:068:4926:56
8:40
+0:03
21K
13.05 mi09:27:121:55:178:5033:11
8:54
+0:14
25K
15.53 mi09:48:302:16:358:4821:18
8:34
-0:20
30K
18.64 mi10:16:152:44:208:4927:45
8:56
+0:22
35K
21.75 mi10:44:283:12:338:5128:13
9:05
+0:09
40K
24.85 mi11:13:193:41:248:5428:51
9:17
+0:12
Finish
26.22 mi11:25:503:53:558:5612:31
9:11
-0:06

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

8:34 /mi

Average Pace

8:56 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:55

58% of race

Time at Steady Pace

1:38:00

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:55 /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 mi08:00:2028:259:0928:25
9:09
#6372
10K
6.21 mi08:27:0555:108:5326:45
8:37
#6545
15K
9.32 mi08:54:011:22:068:4926:56
8:40
#6607
21K
13.05 mi09:27:121:55:178:5033:11
8:54
#6634
25K
15.53 mi09:48:302:16:358:4821:18
8:34
#6441
30K
18.64 mi10:16:152:44:208:4927:45
8:56
#6145
35K
21.75 mi10:44:283:12:338:5128:13
9:05
#5878
40K
24.85 mi11:13:193:41:248:5428:51
9:17
#5606
Finish
26.22 mi11:25:503:53:558:5612:31
9:11
#5488
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi637214962336866(Top 23%)1645(Top 13%)245(Top 15%)
10K6.21 mi3.10 mi6545-1731523-27229+46781(Top 23%)1567(Top 13%)230(Top 14%)
15K9.32 mi3.11 mi6607-621544-21231-26866(Top 23%)1645(Top 13%)245(Top 15%)
21K13.05 mi3.73 mi6634-271547-3229+27037(Top 23%)1690(Top 14%)266(Top 16%)
25K15.53 mi2.48 mi6441+1931492+55221+86129(Top 20%)1470(Top 12%)229(Top 14%)
30K18.64 mi3.11 mi6145+2961445+47216+55634(Top 19%)1397(Top 11%)218(Top 14%)
35K21.75 mi3.11 mi5878+2671435+10217-15387(Top 18%)1454(Top 12%)227(Top 14%)
40K24.85 mi3.10 mi5606+2721412+232175193(Top 17%)1544(Top 13%)235(Top 15%)
Finish26.22 mi1.37 mi5488+1181395+172174765(Top 16%)1433(Top 12%)219(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×18story building
+279ft-164ft

Overall

6866

Females

1645

F30-34

1645

5K→10K

3.1 - 6.2 mi

Top 23%
×11story building
+103ft-217ft

Overall

6781

Females

1567

F30-34

1567

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+51ft-55ft

Overall

6866

Females

1645

F30-34

1645

15K→21K

9.3 - 13.1 mi

Top 23%
×1story
+20ft-37ft

Overall

7037

Females

1690

F30-34

1690

21K→25K

13.1 - 15.5 mi

Top 20%
×2story building
+35ft-8ft

Overall

6129

Females

1470

F30-34

1470

25K→30K

15.5 - 18.6 mi

Top 19%
×2story building
+58ft-57ft

Overall

5634

Females

1397

F30-34

1397

30K→35K

18.6 - 21.8 mi

Top 18%
×2story building
+98ft-92ft

Overall

5387

Females

1454

F30-34

1454

35K→40K

21.8 - 24.9 mi

Top 17%
×2story building
+36ft-53ft

Overall

5193

Females

1544

F30-34

1544

40K→Finish

24.9 - 26.2 mi

Top 16%
×5story building
+80ft-24ft

Overall

4765

Females

1433

F30-34

1433

Passing Analysis

Category:
Athletes Passed
2086*
Passed By
1202
Net Change
+884
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6372
5K → 10K194*367-173#6372#6545
10K → 15K153*215-62#6545#6607
15K → 21K179*206-27#6607#6634
21K → 25K26572+193#6634#6441
25K → 30K369*73+296#6441#6145
30K → 35K378*111+267#6145#5878
35K → 40K389*117+272#5878#5606
40K → Finish159*41+118#5606#5488
TOTALS2086*1202+884

* 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