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MARINE CORPS MARATHON 2025

Heather Brewster

Denver, CO

Bib: 35621 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
5K· 3.11 mi
11:44/mi
36:26
↑ 279↓ 164
10K· 6.21 mi
11:02/mi
1:10:44
↑ 103↓ 217
15K· 9.32 mi
11:11/mi
1:45:30
↑ 51↓ 55
21K· 13.05 mi
11:35/mi
2:28:42
↑ 20↓ 37
25K· 15.53 mi
10:51/mi
2:55:40
↑ 35
30K· 18.64 mi
11:25/mi
3:31:08
↑ 58↓ 57
35K· 21.75 mi
11:09/mi
4:05:45
↑ 98↓ 92
40K· 24.85 mi
11:05/mi
4:40:12
↑ 36↓ 53
Finish· 26.22 mi
11:14/mi
4:55:31
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:28:4211:24 /mi+1.3%
2nd Half
2:26:4811:09 /mi✓ faster
Negative split — 1.3% faster 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
36:2611:443.11 mi36:26
11:44
-
10K
1:10:4411:233.10 mi34:18
11:02
-0:42
15K
1:45:3011:193.11 mi34:46
11:11
+0:09
21K
2:28:4211:243.73 mi43:12
11:35
+0:24
25K
2:55:4011:182.48 mi26:58
10:51
-0:44
30K
3:31:0811:203.11 mi35:28
11:25
+0:34
35K
4:05:4511:183.11 mi34:37
11:09
-0:16
40K
4:40:1211:163.10 mi34:27
11:05
-0:04
Finish(26.22 mi)
4:55:3111:171.37 mi15:19
11:14
+0:09
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:51 /mi

Average Pace

11:17 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:00:25

61% of race

Time at Steady Pace

1:55:06

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:16 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi224428190607216987817561
10K3.10 mi22345+978137+53596+11223628155604
15K3.11 mi22082+2637992+145580+16216987817561
21K3.73 mi21527+5557759+233560+20209017541550
25K2.48 mi20603+9247397+362522+38174886169416
30K3.11 mi19617+9866997+400480+42164225886384
35K3.11 mi18500+11176605+392450+30135744940311
40K3.10 mi17422+10786250+355416+34118554457257
Finish(26.22 mi)1.37 mi17132+2906150+100407+9128014900278

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×18story building
+279ft-164ft

Overall

21698

Females

7817

F50-54

7817

5K→10K

3.1 - 6.2 mi

Top 74%
×11story building
+103ft-217ft

Overall

22362

Females

8155

F50-54

8155

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+51ft-55ft

Overall

21698

Females

7817

F50-54

7817

15K→21K

9.3 - 13.1 mi

Top 70%
×1story
+20ft-37ft

Overall

20901

Females

7541

F50-54

7541

21K→25K

13.1 - 15.5 mi

Top 58%
×2story building
+35ft-8ft

Overall

17488

Females

6169

F50-54

6169

25K→30K

15.5 - 18.6 mi

Top 55%
×2story building
+58ft-57ft

Overall

16422

Females

5886

F50-54

5886

30K→35K

18.6 - 21.8 mi

Top 45%
×2story building
+98ft-92ft

Overall

13574

Females

4940

F50-54

4940

35K→40K

21.8 - 24.9 mi

Top 39%
×2story building
+36ft-53ft

Overall

11855

Females

4457

F50-54

4457

40K→Finish

24.9 - 26.2 mi

Top 43%
×5story building
+80ft-24ft

Overall

12801

Females

4900

F50-54

4900

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#22442
5K → 10K
408505*+97
#22442 → #22345
10K → 15K
259522*+263
#22345 → #22082
15K → 21K
262817*+555
#22082 → #21527
21K → 25K
24948*+924
#21527 → #20603
25K → 30K
401026*+986
#20603 → #19617
30K → 35K
181135*+1117
#19617 → #18500
35K → 40K
141092*+1078
#18500 → #17422
40K → Finish
24314*+290
#17422 → #17132
TOTALS
10496359*+5310
#22442 → #17132

* 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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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions