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MARINE CORPS MARATHON 2025

Brianna Fast

California, MD

Bib: 1221 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 34%
Gender (Female)
#0 / 12338
Top 25%
Division (F30-34)
#0 / 1621
Top 29%
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:01/mi
31:07
↑ 279↓ 164
10K· 6.21 mi
9:19/mi
1:00:05
↑ 103↓ 217
15K· 9.32 mi
9:20/mi
1:29:04
↑ 51↓ 55
21K· 13.05 mi
10:06/mi
2:06:45
↑ 20↓ 37
25K· 15.53 mi
9:25/mi
2:30:09
↑ 35
30K· 18.64 mi
9:56/mi
3:01:01
↑ 58↓ 57
35K· 21.75 mi
10:17/mi
3:32:58
↑ 98↓ 92
40K· 24.85 mi
10:19/mi
4:05:01
↑ 36↓ 53
Finish· 26.22 mi
10:01/mi
4:18:41
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:06:459:43 /mi⚡ faster
2nd Half
2:11:5610:01 /mi+4.1%
Positive split — 4.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
31:0710:013.11 mi31:07
10:01
-
10K
1:00:059:403.10 mi28:58
9:19
-0:42
15K
1:29:049:333.11 mi28:59
9:20
+0:01
21K
2:06:459:433.73 mi37:41
10:06
+0:46
25K
2:30:099:402.48 mi23:24
9:25
-0:41
30K
3:01:019:433.11 mi30:52
9:56
+0:31
35K
3:32:589:483.11 mi31:57
10:17
+0:21
40K
4:05:019:513.10 mi32:03
10:19
+0:02
Finish(26.22 mi)
4:18:419:521.37 mi13:40
10:01
-0:18
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:19 /mi

Average Pace

9:52 /mi

Slowest Pace

10:19 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:14:41

75% of race

Time at Steady Pace

1:04:00

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:52 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi117353387493109853083455
10K3.10 mi11532+2033288+99483+10115033261478
15K3.11 mi11315+2173201+87473+10109853083455
21K3.73 mi12017-7023487-286511-38137744275623
25K2.48 mi11648+3693377+110492+19107453143472
30K3.11 mi11247+4013282+95482+10102503138482
35K3.11 mi10847+4003247+35483-1102223420518
40K3.10 mi10351+4963171+76477+688933109469
Finish(26.22 mi)1.37 mi10120+2313115+56468+980482801429

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×18story building
+279ft-164ft

Overall

10985

Females

3083

F30-34

3083

5K→10K

3.1 - 6.2 mi

Top 38%
×11story building
+103ft-217ft

Overall

11503

Females

3261

F30-34

3261

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+51ft-55ft

Overall

10985

Females

3083

F30-34

3083

15K→21K

9.3 - 13.1 mi

Top 46%
×1story
+20ft-37ft

Overall

13774

Females

4275

F30-34

4275

21K→25K

13.1 - 15.5 mi

Top 36%
×2story building
+35ft-8ft

Overall

10745

Females

3143

F30-34

3143

25K→30K

15.5 - 18.6 mi

Top 34%
×2story building
+58ft-57ft

Overall

10250

Females

3138

F30-34

3138

30K→35K

18.6 - 21.8 mi

Top 34%
×2story building
+98ft-92ft

Overall

10222

Females

3420

F30-34

3420

35K→40K

21.8 - 24.9 mi

Top 30%
×2story building
+36ft-53ft

Overall

8893

Females

3109

F30-34

3109

40K→Finish

24.9 - 26.2 mi

Top 27%
×5story building
+80ft-24ft

Overall

8048

Females

2801

F30-34

2801

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#11735
5K → 10K
231434*+203
#11735 → #11532
10K → 15K
153370*+217
#11532 → #11315
15K → 21K
838136*-702
#11315 → #12017
21K → 25K
68437*+369
#12017 → #11648
25K → 30K
102503*+401
#11648 → #11247
30K → 35K
160560*+400
#11247 → #10847
35K → 40K
96592*+496
#10847 → #10351
40K → Finish
25256*+231
#10351 → #10120
TOTALS
16733288*+1615
#11735 → #10120

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions