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MARINE CORPS MARATHON 2025

Chester Morgan III

Ballwin, MO

Bib: 25316 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Male)
#0 / 17709
Masters (Masters Men)
#0 / 8330
Division (M45-49)
#0 / 1775
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
12:53/mi
40:01
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
12:30/mi
1:18:52
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
12:13/mi
1:56:50
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
15:21/mi
2:54:04
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
14:35/mi
3:30:18
↑ 350.2%
30 ft elev
30K· 18.64 mi
13:43/mi
4:12:54
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:29/mi
4:54:47
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:27/mi
5:36:33
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:16/mi
5:54:39
↑ 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
2:54:0413:20 /mi⚡ faster
2nd Half
3:00:3413:43 /mi+3.7%
Positive split — 3.7% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:44:1140:0112:5340:01
12:53
-
10K
6.21 mi09:23:021:18:5212:4238:51
12:30
-0:23
15K
9.32 mi10:01:001:56:5012:3237:58
12:13
-0:17
21K
13.05 mi10:58:142:54:0413:2057:14
15:21
+3:08
25K
15.53 mi11:34:283:30:1813:3236:14
14:35
-0:46
30K
18.64 mi12:17:044:12:5413:3442:36
13:43
-0:52
35K
21.75 mi12:58:574:54:4713:3341:53
13:29
-0:14
40K
24.85 mi13:40:435:36:3313:3241:46
13:27
-0:02
Finish
26.22 mi13:58:495:54:3913:3218:06
13:16
-0:11

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

12:13 /mi

Average Pace

13:32 /mi

Slowest Pace

15:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:50

33% of race

Time at Steady Pace

2:24:21

41% of race

Time at Slower Pace

1:33:28

26% of race

Average Pace: 13:32 /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 mi08:44:1140:0112:5340:01
12:53
#27229
10K
6.21 mi09:23:021:18:5212:4238:51
12:30
#27598
15K
9.32 mi10:01:001:56:5012:3237:58
12:13
#26946
21K
13.05 mi10:58:142:54:0413:2057:14
15:21
#28224
25K
15.53 mi11:34:283:30:1813:3236:14
14:35
#28272
30K
18.64 mi12:17:044:12:5413:3442:36
13:43
#27645
35K
21.75 mi12:58:574:54:4713:3341:53
13:29
#26832
40K
24.85 mi13:40:435:36:3313:3241:46
13:27
#25978
Finish
26.22 mi13:58:495:54:3913:3218:06
13:16
#25630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2722916605160425650158381541
10K6.21 mi3.10 mi27598-36916755-1501626-2227871168551636
15K9.32 mi3.11 mi26946+65216464+2911596+3025650158381541
21K13.05 mi3.73 mi28224-127816987-5231656-6029383174311719
25K15.53 mi2.48 mi28272-4816965+221662-627999166211637
30K18.64 mi3.11 mi27645+62716620+3451625+3723715143391377
35K21.75 mi3.11 mi26832+81316168+4521579+4621397128461225
40K24.85 mi3.10 mi25978+85415699+4691527+5219679118111117
Finish26.22 mi1.37 mi25630+34815504+1951498+2919980120311102

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×18story building
+279ft-164ft

Overall

25650

Males

15838

M45-49

15838

5K→10K

3.1 - 6.2 mi

Top 93%
×11story building
+103ft-217ft

Overall

27871

Males

16855

M45-49

16855

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+51ft-55ft

Overall

25650

Males

15838

M45-49

15838

15K→21K

9.3 - 13.1 mi

Top 98%
×1story
+20ft-37ft

Overall

29383

Males

17431

M45-49

17431

21K→25K

13.1 - 15.5 mi

Top 93%
×2story building
+35ft-8ft

Overall

27999

Males

16621

M45-49

16621

25K→30K

15.5 - 18.6 mi

Top 79%
×2story building
+58ft-57ft

Overall

23715

Males

14339

M45-49

14339

30K→35K

18.6 - 21.8 mi

Top 71%
×2story building
+98ft-92ft

Overall

21397

Males

12846

M45-49

12846

35K→40K

21.8 - 24.9 mi

Top 65%
×2story building
+36ft-53ft

Overall

19679

Males

11811

M45-49

11811

40K→Finish

24.9 - 26.2 mi

Top 66%
×5story building
+80ft-24ft

Overall

19980

Males

12031

M45-49

12031

Passing Analysis

Category:
Athletes Passed
3799*
Passed By
2200
Net Change
+1599
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27229
5K → 10K184*553-369#27229#27598
10K → 15K704*52+652#27598#26946
15K → 21K87*1365-1278#26946#28224
21K → 25K148*196-48#28224#28272
25K → 30K636*9+627#28272#27645
30K → 35K822*9+813#27645#26832
35K → 40K865*11+854#26832#25978
40K → Finish353*5+348#25978#25630
TOTALS3799*2200+1599

* 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