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MARINE CORPS MARATHON 2025

Jason Byrd

Montgomry Vlg, MD

Bib: 2933 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 46%
Gender (Male)
#0 / 17709
Masters (Masters Men)
#0 / 8330
Top 42%
Division (M45-49)
#0 / 1775
Top 45%
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
10:53/mi
33:49
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:53/mi
1:04:32
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:28/mi
1:33:57
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:35/mi
2:09:41
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:51/mi
2:34:11
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:13/mi
3:05:55
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:21/mi
3:41:12
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
12:33/mi
4:20:11
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:14/mi
4:38:14
↑ 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
Time2:09:41
Pace9:56 /mi
2nd Half
Distance13.17 mi
Time2:28:33
Pace11:17 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:13:4133:4910:5333:49
10:53
-
10K
6.21 mi08:44:241:04:3210:2330:43
9:53
-1:00
15K
9.32 mi09:13:491:33:5710:0529:25
9:28
-0:25
21K
13.05 mi09:49:332:09:419:5635:44
9:35
+0:07
25K
15.53 mi10:14:032:34:119:5624:30
9:51
+0:16
30K
18.64 mi10:45:473:05:559:5831:44
10:13
+0:22
35K
21.75 mi11:21:043:41:1210:1035:17
11:21
+1:08
40K
24.85 mi12:00:034:20:1110:2838:59
12:33
+1:12
Finish
26.22 mi12:18:064:38:1410:3718:03
13:14
+0:41

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

9:28 /mi

Average Pace

10:37 /mi

Slowest Pace

13:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:25

11% of race

Time at Steady Pace

2:02:41

44% of race

Time at Slower Pace

2:06:08

45% of race

Average Pace: 10:37 /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 mi08:13:4133:4910:5333:49
10:53
#17392
10K
6.21 mi08:44:241:04:3210:2330:43
9:53
#16118
15K
9.32 mi09:13:491:33:5710:0529:25
9:28
#14441
21K
13.05 mi09:49:332:09:419:5635:44
9:35
#13215
25K
15.53 mi10:14:032:34:119:5624:30
9:51
#13049
30K
18.64 mi10:45:473:05:559:5831:44
10:13
#12618
35K
21.75 mi11:21:043:41:1210:1035:17
11:21
#12787
40K
24.85 mi12:00:034:20:1110:2838:59
12:33
#13437
Finish
26.22 mi12:18:064:38:1410:3718:03
13:14
#13883
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1739211595105511804(Top 39%)8399(Top 47%)717(Top 41%)
10K6.21 mi3.10 mi16118+127410926+669998+5714930(Top 50%)10245(Top 58%)923(Top 53%)
15K9.32 mi3.11 mi14441+16779946+980893+10511804(Top 39%)8399(Top 47%)717(Top 41%)
21K13.05 mi3.73 mi13215+12269192+754802+9111112(Top 37%)7953(Top 45%)670(Top 38%)
25K15.53 mi2.48 mi13049+1669075+117793+912922(Top 43%)8843(Top 50%)771(Top 44%)
30K18.64 mi3.11 mi12618+4318762+313753+4011448(Top 38%)7797(Top 44%)666(Top 38%)
35K21.75 mi3.11 mi12787-1698723+39756-314419(Top 48%)9095(Top 51%)804(Top 46%)
40K24.85 mi3.10 mi13437-6508976-253778-2216964(Top 56%)10238(Top 58%)939(Top 53%)
Finish26.22 mi1.37 mi13883-4469177-201798-2019916(Top 66%)11994(Top 68%)1096(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×18story building
+279ft-164ft

Overall

11804

Males

8399

M45-49

8399

5K→10K

3.1 - 6.2 mi

Top 50%
×11story building
+103ft-217ft

Overall

14930

Males

10245

M45-49

10245

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+51ft-55ft

Overall

11804

Males

8399

M45-49

8399

15K→21K

9.3 - 13.1 mi

Top 37%
×1story
+20ft-37ft

Overall

11112

Males

7953

M45-49

7953

21K→25K

13.1 - 15.5 mi

Top 43%
×2story building
+35ft-8ft

Overall

12922

Males

8843

M45-49

8843

25K→30K

15.5 - 18.6 mi

Top 38%
×2story building
+58ft-57ft

Overall

11448

Males

7797

M45-49

7797

30K→35K

18.6 - 21.8 mi

Top 48%
×2story building
+98ft-92ft

Overall

14419

Males

9095

M45-49

9095

35K→40K

21.8 - 24.9 mi

Top 56%
×2story building
+36ft-53ft

Overall

16964

Males

10238

M45-49

10238

40K→Finish

24.9 - 26.2 mi

Top 66%
×5story building
+80ft-24ft

Overall

19916

Males

11994

M45-49

11994

Passing Analysis

Category:
Athletes Passed
5640*
Passed By
2131
Net Change
+3509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17392
5K → 10K1342*68+1274#17392#16118
10K → 15K1682*5+1677#16118#14441
15K → 21K1241*15+1226#14441#13215
21K → 25K328*162+166#13215#13049
25K → 30K546*115+431#13049#12618
30K → 35K323*492-169#12618#12787
35K → 40K145*795-650#12787#13437
40K → Finish33*479-446#13437#13883
TOTALS5640*2131+3509

* 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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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions