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MARINE CORPS MARATHON 2025

Emily Mazzola

Arlington, VA

Bib: 34535 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F30-34)
#0 / 1621
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
12:21/mi
38:23
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
11:55/mi
1:15:23
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
11:56/mi
1:52:28
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
13:13/mi
2:41:46
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
13:11/mi
3:14:31
↑ 350.2%
30 ft elev
30K· 18.64 mi
13:48/mi
3:57:24
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
14:07/mi
4:41:17
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
14:21/mi
5:25:53
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:46/mi
5:44:39
↑ 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
2:41:4612:24 /mi⚡ faster
2nd Half
3:02:5313:53 /mi+13.1%
Positive split — 13.1% 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 mi08:31:2138:2312:2138:23
12:21
-
10K
6.21 mi09:08:211:15:2312:0837:00
11:55
-0:26
15K
9.32 mi09:45:261:52:2812:0437:05
11:56
+0:01
21K
13.05 mi10:34:442:41:4612:2449:18
13:13
+1:17
25K
15.53 mi11:07:293:14:3112:3132:45
13:11
-0:02
30K
18.64 mi11:50:223:57:2412:4442:53
13:48
+0:37
35K
21.75 mi12:34:154:41:1712:5643:53
14:07
+0:19
40K
24.85 mi13:18:515:25:5313:0744:36
14:21
+0:14
Finish
26.22 mi13:37:375:44:3913:0918:46
13:46
-0:35

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

11:55 /mi

Average Pace

13:09 /mi

Slowest Pace

14:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:52:28

33% of race

Time at Steady Pace

1:22:03

24% of race

Time at Slower Pace

2:30:08

44% of race

Average Pace: 13:09 /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.

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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 mi08:31:2138:2312:2138:23
12:21
#25484
10K
6.21 mi09:08:211:15:2312:0837:00
11:55
#25865
15K
9.32 mi09:45:261:52:2812:0437:05
11:56
#25450
21K
13.05 mi10:34:442:41:4612:2449:18
13:13
#25647
25K
15.53 mi11:07:293:14:3112:3132:45
13:11
#25522
30K
18.64 mi11:50:223:57:2412:4442:53
13:48
#25216
35K
21.75 mi12:34:154:41:1712:5643:53
14:07
#24919
40K
24.85 mi13:18:515:25:5313:0744:36
14:21
#24577
Finish
26.22 mi13:37:375:44:3913:0918:46
13:46
#24362
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi25484971313612473493361317
10K6.21 mi3.10 mi25865-3819913-2001391-3026143100801398
15K9.32 mi3.11 mi25450+4159687+2261364+272473493361317
21K13.05 mi3.73 mi25647-1979807-1201371-726035101421375
25K15.53 mi2.48 mi25522+1259813-61376-52511399021366
30K18.64 mi3.11 mi25216+3069730+831364+122397195151317
35K21.75 mi3.11 mi24919+2979684+461357+72336494911299
40K24.85 mi3.10 mi24577+3429588+961343+142242091361264
Finish26.22 mi1.37 mi24362+2159513+751342+12144386241234

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×18story building
+279ft-164ft

Overall

24734

Females

9336

F30-34

9336

5K→10K

3.1 - 6.2 mi

Top 87%
×11story building
+103ft-217ft

Overall

26143

Females

10080

F30-34

10080

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+51ft-55ft

Overall

24734

Females

9336

F30-34

9336

15K→21K

9.3 - 13.1 mi

Top 87%
×1story
+20ft-37ft

Overall

26035

Females

10142

F30-34

10142

21K→25K

13.1 - 15.5 mi

Top 84%
×2story building
+35ft-8ft

Overall

25113

Females

9902

F30-34

9902

25K→30K

15.5 - 18.6 mi

Top 80%
×2story building
+58ft-57ft

Overall

23971

Females

9515

F30-34

9515

30K→35K

18.6 - 21.8 mi

Top 78%
×2story building
+98ft-92ft

Overall

23364

Females

9491

F30-34

9491

35K→40K

21.8 - 24.9 mi

Top 75%
×2story building
+36ft-53ft

Overall

22420

Females

9136

F30-34

9136

40K→Finish

24.9 - 26.2 mi

Top 71%
×5story building
+80ft-24ft

Overall

21443

Females

8624

F30-34

8624

Passing Analysis

Category:
Athletes Passed
3110*
Passed By
1988
Net Change
+1122
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25484
5K → 10K209*590-381#25484#25865
10K → 15K545*130+415#25865#25450
15K → 21K362*559-197#25450#25647
21K → 25K353*228+125#25647#25522
25K → 30K482*176+306#25522#25216
30K → 35K452*155+297#25216#24919
35K → 40K458*116+342#24919#24577
40K → Finish249*34+215#24577#24362
TOTALS3110*1988+1122

* 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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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions