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MARINE CORPS MARATHON 2025

Isaac Roberts

Arlington, VA

Bib: 28529 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Male)
#0 / 17709
Division (M25-29)
#0 / 2720
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
10:54/mi
33:53
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:17/mi
1:05:51
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
12:15/mi
1:43:55
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:45/mi
2:23:58
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
12:08/mi
2:54:08
↑ 350.2%
30 ft elev
30K· 18.64 mi
15:41/mi
3:42:51
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
15:05/mi
4:29:44
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
14:36/mi
5:15:07
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
14:24/mi
5:34:46
↑ 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
Time2:23:58
Pace11:02 /mi
2nd Half
Distance13.17 mi
Time3:10:48
Pace14:29 /mi
📊Positive Split: 32.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:22:5333:5310:5433:53
10:54
-
10K
6.21 mi08:54:511:05:5110:3631:58
10:17
-0:37
15K
9.32 mi09:32:551:43:5511:0938:04
12:15
+1:58
21K
13.05 mi10:12:582:23:5811:0240:03
10:45
-1:30
25K
15.53 mi10:43:082:54:0811:1330:10
12:08
+1:23
30K
18.64 mi11:31:513:42:5111:5748:43
15:41
+3:33
35K
21.75 mi12:18:444:29:4412:2446:53
15:05
-0:36
40K
24.85 mi13:04:075:15:0712:4145:23
14:36
-0:29
Finish
26.22 mi13:23:465:34:4612:4719:39
14:24
-0:12

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

10:17 /mi

Average Pace

12:47 /mi

Slowest Pace

15:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:54

32% of race

Time at Steady Pace

1:08:14

20% of race

Time at Slower Pace

2:40:38

48% of race

Average Pace: 12:46 /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 mi08:22:5333:5310:5433:53
10:54
#17517
10K
6.21 mi08:54:511:05:5110:3631:58
10:17
#17556
15K
9.32 mi09:32:551:43:5511:0938:04
12:15
#21127
21K
13.05 mi10:12:582:23:5811:0240:03
10:45
#19602
25K
15.53 mi10:43:082:54:0811:1330:10
12:08
#20129
30K
18.64 mi11:31:513:42:5111:5748:43
15:41
#22327
35K
21.75 mi12:18:444:29:4412:2446:53
15:05
#23024
40K
24.85 mi13:04:075:15:0712:4145:23
14:36
#23060
Finish
26.22 mi13:23:465:34:4612:4719:39
14:24
#23092
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi1751711671209325741(Top 86%)15888(Top 90%)2599(Top 96%)
10K6.21 mi3.10 mi17556-3911710-392108-1517739(Top 59%)11808(Top 67%)2130(Top 78%)
15K9.32 mi3.11 mi21127-357113591-18812362-25425741(Top 86%)15888(Top 90%)2599(Top 96%)
21K13.05 mi3.73 mi19602+152512776+8152266+9617151(Top 57%)11403(Top 64%)2108(Top 78%)
25K15.53 mi2.48 mi20129-52712965-1892290-2422116(Top 74%)13734(Top 78%)2350(Top 86%)
30K18.64 mi3.11 mi22327-219814027-10622418-12828077(Top 93%)16601(Top 94%)2610(Top 96%)
35K21.75 mi3.11 mi23024-69714276-2492445-2725747(Top 86%)15212(Top 86%)2486(Top 91%)
40K24.85 mi3.10 mi23060-3614202+742434+1123115(Top 77%)13691(Top 77%)2352(Top 87%)
Finish26.22 mi1.37 mi23092-3214194+82442-823154(Top 77%)13767(Top 78%)2384(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×18story building
+279ft-164ft

Overall

25741

Males

15888

M25-29

15888

5K→10K

3.1 - 6.2 mi

Top 59%
×11story building
+103ft-217ft

Overall

17739

Males

11808

M25-29

11808

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+51ft-55ft

Overall

25741

Males

15888

M25-29

15888

15K→21K

9.3 - 13.1 mi

Top 57%
×1story
+20ft-37ft

Overall

17151

Males

11403

M25-29

11403

21K→25K

13.1 - 15.5 mi

Top 74%
×2story building
+35ft-8ft

Overall

22116

Males

13734

M25-29

13734

25K→30K

15.5 - 18.6 mi

Top 93%
×2story building
+58ft-57ft

Overall

28077

Males

16601

M25-29

16601

30K→35K

18.6 - 21.8 mi

Top 86%
×2story building
+98ft-92ft

Overall

25747

Males

15212

M25-29

15212

35K→40K

21.8 - 24.9 mi

Top 77%
×2story building
+36ft-53ft

Overall

23115

Males

13691

M25-29

13691

40K→Finish

24.9 - 26.2 mi

Top 77%
×5story building
+80ft-24ft

Overall

23154

Males

13767

M25-29

13767

Passing Analysis

Category:
Athletes Passed
2680*
Passed By
8255
Net Change
-5575
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17517
5K → 10K402*441-39#17517#17556
10K → 15K24*3595-3571#17556#21127
15K → 21K1556*31+1525#21127#19602
21K → 25K197*724-527#19602#20129
25K → 30K44*2242-2198#20129#22327
30K → 35K115*812-697#22327#23024
35K → 40K250*286-36#23024#23060
40K → Finish92*124-32#23060#23092
TOTALS2680*8255-5575

* 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