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MARINE CORPS MARATHON 2025

Ailis Groves

Montclair, NJ

Bib: 35153 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Top 50%
Masters (Masters Women)
#0 / 5451
Top 38%
Division (F50-54)
#0 / 1155
Top 35%
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
11:27/mi
35:33
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:34/mi
1:08:24
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:40/mi
1:41:33
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:51/mi
2:21:59
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:27/mi
2:47:57
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:20/mi
3:23:10
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:40/mi
3:59:26
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
12:28/mi
4:38:11
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
12:40/mi
4:55:27
↑ 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
Time2:21:59
Pace10:53 /mi
2nd Half
Distance13.17 mi
Time2:33:28
Pace11:39 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:28:0135:3311:2735:33
11:27
-
10K
6.21 mi09:00:521:08:2411:0032:51
10:34
-0:53
15K
9.32 mi09:34:011:41:3310:5433:09
10:40
+0:06
21K
13.05 mi10:14:272:21:5910:5340:26
10:51
+0:11
25K
15.53 mi10:40:252:47:5710:4925:58
10:27
-0:24
30K
18.64 mi11:15:383:23:1010:5435:13
11:20
+0:53
35K
21.75 mi11:51:543:59:2611:0136:16
11:40
+0:20
40K
24.85 mi12:30:394:38:1111:1238:45
12:28
+0:48
Finish
26.22 mi12:47:554:55:2711:1717:16
12:40
+0:12

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

10:27 /mi

Average Pace

11:17 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:24

45% of race

Time at Steady Pace

1:47:02

36% of race

Time at Slower Pace

56:01

19% of race

Average Pace: 11:16 /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 mi08:28:0135:3311:2735:33
11:27
#20891
10K
6.21 mi09:00:521:08:2411:0032:51
10:34
#20280
15K
9.32 mi09:34:011:41:3310:5433:09
10:40
#19643
21K
13.05 mi10:14:272:21:5910:5340:26
10:51
#18832
25K
15.53 mi10:40:252:47:5710:4925:58
10:27
#18077
30K
18.64 mi11:15:383:23:1010:5435:13
11:20
#17535
35K
21.75 mi11:51:543:59:2611:0136:16
11:40
#17086
40K
24.85 mi12:30:394:38:1111:1238:45
12:28
#17053
Finish
26.22 mi12:47:554:55:2711:1717:16
12:40
#17119
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi20891746253118876(Top 63%)6475(Top 52%)434(Top 38%)
10K6.21 mi3.10 mi20280+6117143+319503+2819587(Top 65%)6800(Top 55%)472(Top 42%)
15K9.32 mi3.11 mi19643+6376848+295466+3718876(Top 63%)6475(Top 52%)434(Top 38%)
21K13.05 mi3.73 mi18832+8116481+367434+3217652(Top 59%)5977(Top 48%)394(Top 35%)
25K15.53 mi2.48 mi18077+7556173+308411+2315660(Top 52%)5283(Top 43%)328(Top 29%)
30K18.64 mi3.11 mi17535+5426026+147393+1816092(Top 54%)5748(Top 47%)368(Top 32%)
35K21.75 mi3.11 mi17086+4495962+64383+1015594(Top 52%)5873(Top 48%)394(Top 35%)
40K24.85 mi3.10 mi17053+336080-118397-1416702(Top 56%)6616(Top 54%)481(Top 42%)
Finish26.22 mi1.37 mi17119-666143-63406-918060(Top 60%)7194(Top 58%)493(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×18story building
+279ft-164ft

Overall

18876

Females

6475

F50-54

6475

5K→10K

3.1 - 6.2 mi

Top 65%
×11story building
+103ft-217ft

Overall

19587

Females

6800

F50-54

6800

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+51ft-55ft

Overall

18876

Females

6475

F50-54

6475

15K→21K

9.3 - 13.1 mi

Top 59%
×1story
+20ft-37ft

Overall

17652

Females

5977

F50-54

5977

21K→25K

13.1 - 15.5 mi

Top 52%
×2story building
+35ft-8ft

Overall

15660

Females

5283

F50-54

5283

25K→30K

15.5 - 18.6 mi

Top 54%
×2story building
+58ft-57ft

Overall

16092

Females

5748

F50-54

5748

30K→35K

18.6 - 21.8 mi

Top 52%
×2story building
+98ft-92ft

Overall

15594

Females

5873

F50-54

5873

35K→40K

21.8 - 24.9 mi

Top 56%
×2story building
+36ft-53ft

Overall

16702

Females

6616

F50-54

6616

40K→Finish

24.9 - 26.2 mi

Top 60%
×5story building
+80ft-24ft

Overall

18060

Females

7194

F50-54

7194

Passing Analysis

Category:
Athletes Passed
5094*
Passed By
1322
Net Change
+3772
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20891
5K → 10K833*222+611#20891#20280
10K → 15K765*128+637#20280#19643
15K → 21K953*142+811#19643#18832
21K → 25K792*37+755#18832#18077
25K → 30K666*124+542#18077#17535
30K → 35K624*175+449#17535#17086
35K → 40K358*325+33#17086#17053
40K → Finish103*169-66#17053#17119
TOTALS5094*1322+3772

* 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