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MARINE CORPS MARATHON 2025

Reid Brosko

Bloomfld Hls, MI

Bib: 9543 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 44%
Gender (Male)
#0 / 17709
Top 50%
Masters (Masters Men)
#0 / 8330
Top 40%
Division (M40-44)
#0 / 2340
Top 49%
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
10:36/mi
32:55
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:40/mi
1:02:57
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:38/mi
1:32:53
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:32/mi
2:08:26
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:27/mi
2:31:55
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:21/mi
3:04:04
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:48/mi
3:40:44
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:39/mi
4:16:56
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
12:58/mi
4:34:37
↑ 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
Time2:08:26
Pace9:51 /mi
2nd Half
Distance13.17 mi
Time2:26:10
Pace11:06 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:51:0232:5510:3632:55
10:36
-
10K
6.21 mi08:21:041:02:5710:0830:02
9:40
-0:56
15K
9.32 mi08:51:001:32:539:5829:56
9:38
-0:02
21K
13.05 mi09:26:332:08:269:5135:33
9:32
-0:06
25K
15.53 mi09:50:022:31:559:4723:29
9:27
-0:05
30K
18.64 mi10:22:113:04:049:5232:09
10:21
+0:54
35K
21.75 mi10:58:513:40:4410:0936:40
11:48
+1:27
40K
24.85 mi11:35:034:16:5610:2036:12
11:39
-0:09
Finish
26.22 mi11:52:444:34:3710:2917:41
12:58
+1:19

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

9:27 /mi

Average Pace

10:29 /mi

Slowest Pace

12:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:00

43% of race

Time at Steady Pace

1:05:04

24% of race

Time at Slower Pace

1:30:33

33% of race

Average Pace: 10:28 /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 mi07:51:0232:5510:3632:55
10:36
#15466
10K
6.21 mi08:21:041:02:5710:0830:02
9:40
#14414
15K
9.32 mi08:51:001:32:539:5829:56
9:38
#13684
21K
13.05 mi09:26:332:08:269:5135:33
9:32
#12691
25K
15.53 mi09:50:022:31:559:4723:29
9:27
#12290
30K
18.64 mi10:22:113:04:049:5232:09
10:21
#12078
35K
21.75 mi10:58:513:40:4410:0936:40
11:48
#12671
40K
24.85 mi11:35:034:16:5610:2036:12
11:39
#12785
Finish
26.22 mi11:52:444:34:3710:2917:41
12:58
#13205
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1546610533135412713(Top 42%)8926(Top 50%)1158(Top 50%)
10K6.21 mi3.10 mi14414+10529948+5851282+7213568(Top 45%)9473(Top 53%)1227(Top 53%)
15K9.32 mi3.11 mi13684+7309509+4391229+5312713(Top 42%)8926(Top 50%)1158(Top 50%)
21K13.05 mi3.73 mi12691+9938902+6071162+6710829(Top 36%)7797(Top 44%)998(Top 43%)
25K15.53 mi2.48 mi12290+4018638+2641120+4210897(Top 36%)7694(Top 43%)989(Top 42%)
30K18.64 mi3.11 mi12078+2128433+2051103+1712020(Top 40%)8110(Top 46%)1036(Top 44%)
35K21.75 mi3.11 mi12671-5938650-2171107-416055(Top 53%)9982(Top 56%)1297(Top 56%)
40K24.85 mi3.10 mi12785-1148583+671110-313936(Top 46%)8559(Top 48%)1104(Top 47%)
Finish26.22 mi1.37 mi13205-4208799-2161143-3319060(Top 63%)11484(Top 65%)1507(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×18story building
+279ft-164ft

Overall

12713

Males

8926

M40-44

8926

5K→10K

3.1 - 6.2 mi

Top 45%
×11story building
+103ft-217ft

Overall

13568

Males

9473

M40-44

9473

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+51ft-55ft

Overall

12713

Males

8926

M40-44

8926

15K→21K

9.3 - 13.1 mi

Top 36%
×1story
+20ft-37ft

Overall

10829

Males

7797

M40-44

7797

21K→25K

13.1 - 15.5 mi

Top 36%
×2story building
+35ft-8ft

Overall

10897

Males

7694

M40-44

7694

25K→30K

15.5 - 18.6 mi

Top 40%
×2story building
+58ft-57ft

Overall

12020

Males

8110

M40-44

8110

30K→35K

18.6 - 21.8 mi

Top 53%
×2story building
+98ft-92ft

Overall

16055

Males

9982

M40-44

9982

35K→40K

21.8 - 24.9 mi

Top 46%
×2story building
+36ft-53ft

Overall

13936

Males

8559

M40-44

8559

40K→Finish

24.9 - 26.2 mi

Top 63%
×5story building
+80ft-24ft

Overall

19060

Males

11484

M40-44

11484

Passing Analysis

Category:
Athletes Passed
4336*
Passed By
2075
Net Change
+2261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15466
5K → 10K1142*90+1052#15466#14414
10K → 15K780*50+730#14414#13684
15K → 21K1009*16+993#13684#12691
21K → 25K457*56+401#12691#12290
25K → 30K411*199+212#12290#12078
30K → 35K202*795-593#12078#12671
35K → 40K296*410-114#12671#12785
40K → Finish39*459-420#12785#13205
TOTALS4336*2075+2261

* 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