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MARINE CORPS MARATHON 2025

Beryl Slezak

Washington, DC

Bib: 7777 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 4%
Gender (Female)
#0 / 12338
Top 2%
Division (F30-34)
#0 / 1621
Top 2%
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
7:36/mi
23:38
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:24/mi
46:37
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:26/mi
1:09:42
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:35/mi
1:38:00
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:25/mi
1:56:25
↑ 350.2%
30 ft elev
30K· 18.64 mi
7:36/mi
2:20:03
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
7:45/mi
2:44:08
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
7:48/mi
3:08:21
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:10/mi
3:19:29
↑ 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
Time1:38:00
Pace7:31 /mi
2nd Half
Distance13.17 mi
Time1:41:28
Pace7:42 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:44:3723:387:3623:38
7:36
-
10K
6.21 mi08:07:3646:377:3022:59
7:24
-0:12
15K
9.32 mi08:30:411:09:427:2923:05
7:26
+0:02
21K
13.05 mi08:58:591:38:007:3128:18
7:35
+0:09
25K
15.53 mi09:17:241:56:257:3018:25
7:25
-0:10
30K
18.64 mi09:41:022:20:037:3123:38
7:36
+0:11
35K
21.75 mi10:05:072:44:087:3324:05
7:45
+0:09
40K
24.85 mi10:29:203:08:217:3524:13
7:48
+0:03
Finish
26.22 mi10:40:283:19:297:3711:08
8:10
+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

7:24 /mi

Average Pace

7:37 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:21

94% of race

Time at Steady Pace

11:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi07:44:3723:387:3623:38
7:36
#1121
10K
6.21 mi08:07:3646:377:3022:59
7:24
#1409
15K
9.32 mi08:30:411:09:427:2923:05
7:26
#1509
21K
13.05 mi08:58:591:38:007:3128:18
7:35
#1542
25K
15.53 mi09:17:241:56:257:3018:25
7:25
#1535
30K
18.64 mi09:41:022:20:037:3123:38
7:36
#1491
35K
21.75 mi10:05:072:44:087:3324:05
7:45
#1406
40K
24.85 mi10:29:203:08:217:3524:13
7:48
#1315
Finish
26.22 mi10:40:283:19:297:3711:08
8:10
#1317
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi1121140261745(Top 6%)263(Top 2%)43(Top 3%)
10K6.21 mi3.10 mi1409-288192-5230-41799(Top 6%)282(Top 2%)44(Top 3%)
15K9.32 mi3.11 mi1509-100218-2635-51745(Top 6%)263(Top 2%)43(Top 3%)
21K13.05 mi3.73 mi1542-33221-336-11668(Top 6%)253(Top 2%)40(Top 2%)
25K15.53 mi2.48 mi1535+7225-439-31683(Top 6%)267(Top 2%)45(Top 3%)
30K18.64 mi3.11 mi1491+44219+637+21417(Top 5%)220(Top 2%)38(Top 2%)
35K21.75 mi3.11 mi1406+85217+2371357(Top 5%)236(Top 2%)41(Top 3%)
40K24.85 mi3.10 mi1315+91213+4371201(Top 4%)232(Top 2%)38(Top 2%)
Finish26.22 mi1.37 mi1317-2217-436+11819(Top 6%)411(Top 3%)66(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×18story building
+279ft-164ft

Overall

1745

Females

263

F30-34

263

5K→10K

3.1 - 6.2 mi

Top 6%
×11story building
+103ft-217ft

Overall

1799

Females

282

F30-34

282

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+51ft-55ft

Overall

1745

Females

263

F30-34

263

15K→21K

9.3 - 13.1 mi

Top 6%
×1story
+20ft-37ft

Overall

1668

Females

253

F30-34

253

21K→25K

13.1 - 15.5 mi

Top 6%
×2story building
+35ft-8ft

Overall

1683

Females

267

F30-34

267

25K→30K

15.5 - 18.6 mi

Top 5%
×2story building
+58ft-57ft

Overall

1417

Females

220

F30-34

220

30K→35K

18.6 - 21.8 mi

Top 5%
×2story building
+98ft-92ft

Overall

1357

Females

236

F30-34

236

35K→40K

21.8 - 24.9 mi

Top 4%
×2story building
+36ft-53ft

Overall

1201

Females

232

F30-34

232

40K→Finish

24.9 - 26.2 mi

Top 6%
×5story building
+80ft-24ft

Overall

1819

Females

411

F30-34

411

Passing Analysis

Category:
Athletes Passed
397*
Passed By
593
Net Change
-196
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1121
5K → 10K0288-288#1121#1409
10K → 15K11111-100#1409#1509
15K → 21K29*62-33#1509#1542
21K → 25K4336+7#1542#1535
25K → 30K74*30+44#1535#1491
30K → 35K9914+85#1491#1406
35K → 40K110*19+91#1406#1315
40K → Finish31*33-2#1315#1317
TOTALS397*593-196

* 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