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MARINE CORPS MARATHON 2025

Chaz Collins

Reston, VA

Bib: 1808 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Male)
#0 / 17709
Division (M30-34)
#0 / 2603
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
13:10/mi
40:55
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
12:50/mi
1:20:47
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
13:03/mi
2:01:19
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
13:31/mi
2:51:44
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
13:15/mi
3:24:39
↑ 350.2%
30 ft elev
30K· 18.64 mi
13:57/mi
4:08:00
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
14:18/mi
4:52:26
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
14:18/mi
5:36:52
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
15:02/mi
5:57:22
↑ 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
Time2:51:44
Pace13:10 /mi
2nd Half
Distance13.17 mi
Time3:05:37
Pace14:06 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:18:0040:5513:1040:55
13:10
-
10K
6.21 mi08:57:521:20:4713:0039:52
12:50
-0:20
15K
9.32 mi09:38:242:01:1913:0140:32
13:03
+0:13
21K
13.05 mi10:28:492:51:4413:1050:25
13:31
+0:28
25K
15.53 mi11:01:443:24:3913:1032:55
13:15
-0:16
30K
18.64 mi11:45:054:08:0013:1843:21
13:57
+0:42
35K
21.75 mi12:29:314:52:2613:2744:26
14:18
+0:21
40K
24.85 mi13:13:575:36:5213:3344:26
14:18
0:00
Finish
26.22 mi13:34:275:57:2213:3820:30
15:02
+0:44

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

12:50 /mi

Average Pace

13:38 /mi

Slowest Pace

15:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:08:00

69% of race

Time at Steady Pace

1:49:22

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:38 /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 mi08:18:0040:5513:1040:55
13:10
#28044
10K
6.21 mi08:57:521:20:4713:0039:52
12:50
#28351
15K
9.32 mi09:38:242:01:1913:0140:32
13:03
#28231
21K
13.05 mi10:28:492:51:4413:1050:25
13:31
#27852
25K
15.53 mi11:01:443:24:3913:1032:55
13:15
#27494
30K
18.64 mi11:45:054:08:0013:1843:21
13:57
#26989
35K
21.75 mi12:29:314:52:2613:2744:26
14:18
#26563
40K
24.85 mi13:13:575:36:5213:3344:26
14:18
#26015
Finish
26.22 mi13:34:275:57:2213:3820:30
15:02
#25976
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi2804416955253827849(Top 93%)16841(Top 95%)2524(Top 97%)
10K6.21 mi3.10 mi28351-30717081-1262560-2228556(Top 95%)17157(Top 97%)2568(Top 99%)
15K9.32 mi3.11 mi28231+12017016+652552+827849(Top 93%)16841(Top 95%)2524(Top 97%)
21K13.05 mi3.73 mi27852+37916821+1952529+2326690(Top 89%)16209(Top 92%)2453(Top 94%)
25K15.53 mi2.48 mi27494+35816609+2122506+2325262(Top 84%)15281(Top 86%)2335(Top 90%)
30K18.64 mi3.11 mi26989+50516311+2982483+2324400(Top 81%)14666(Top 83%)2242(Top 86%)
35K21.75 mi3.11 mi26563+42616042+2692455+2823845(Top 79%)14134(Top 80%)2144(Top 83%)
40K24.85 mi3.10 mi26015+54815715+3272419+3622290(Top 74%)13212(Top 75%)2035(Top 78%)
Finish26.22 mi1.37 mi25976+3915673+422402+1724529(Top 82%)14530(Top 82%)2222(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×18story building
+279ft-164ft

Overall

27849

Males

16841

M30-34

16841

5K→10K

3.1 - 6.2 mi

Top 95%
×11story building
+103ft-217ft

Overall

28556

Males

17157

M30-34

17157

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+51ft-55ft

Overall

27849

Males

16841

M30-34

16841

15K→21K

9.3 - 13.1 mi

Top 89%
×1story
+20ft-37ft

Overall

26690

Males

16209

M30-34

16209

21K→25K

13.1 - 15.5 mi

Top 84%
×2story building
+35ft-8ft

Overall

25262

Males

15281

M30-34

15281

25K→30K

15.5 - 18.6 mi

Top 81%
×2story building
+58ft-57ft

Overall

24400

Males

14666

M30-34

14666

30K→35K

18.6 - 21.8 mi

Top 79%
×2story building
+98ft-92ft

Overall

23845

Males

14134

M30-34

14134

35K→40K

21.8 - 24.9 mi

Top 74%
×2story building
+36ft-53ft

Overall

22290

Males

13212

M30-34

13212

40K→Finish

24.9 - 26.2 mi

Top 82%
×5story building
+80ft-24ft

Overall

24529

Males

14530

M30-34

14530

Passing Analysis

Category:
Athletes Passed
3132*
Passed By
1064
Net Change
+2068
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28044
5K → 10K146*453-307#28044#28351
10K → 15K321*201+120#28351#28231
15K → 21K480*101+379#28231#27852
21K → 25K421*63+358#27852#27494
25K → 30K549*44+505#27494#26989
30K → 35K489*63+426#26989#26563
35K → 40K586*38+548#26563#26015
40K → Finish140*101+39#26015#25976
TOTALS3132*1064+2068

* 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