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MARINE CORPS MARATHON 2025

Eric Byers

Alexandria, VA

Bib: 25 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 0.8%
Gender (Male)
#0 / 17709
Top 1%
Division (M35-39)
#0 / 2420
Top 1%
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
7:19/mi
22:45
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
6:41/mi
43:30
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
6:33/mi
1:03:51
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
6:31/mi
1:28:10
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
6:23/mi
1:44:02
↑ 350.2%
30 ft elev
30K· 18.64 mi
6:30/mi
2:04:13
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
6:30/mi
2:24:24
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
6:37/mi
2:44:56
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
7:07/mi
2:54:39
↑ 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 21K
Distance13.05 mi
Time1:28:10
Pace6:45 /mi
2nd Half✓ Faster
Distance13.17 mi
Time1:26:28
Pace6:34 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:43:3222:457:1922:45
7:19
-
10K
6.21 mi08:04:1743:307:0020:45
6:41
-0:38
15K
9.32 mi08:24:381:03:516:5120:21
6:33
-0:08
21K
13.05 mi08:48:571:28:106:4524:19
6:31
-0:02
25K
15.53 mi09:04:491:44:026:4215:52
6:23
-0:08
30K
18.64 mi09:25:002:04:136:4020:11
6:30
+0:07
35K
21.75 mi09:45:112:24:246:3820:11
6:30
0:00
40K
24.85 mi10:05:432:44:566:3820:32
6:37
+0:07
Finish
26.22 mi10:15:262:54:396:409:43
7:07
+0:30

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

6:23 /mi

Average Pace

6:40 /mi

Slowest Pace

7:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:11

81% of race

Time at Steady Pace

32:28

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi07:43:3222:457:1922:45
7:19
#731
10K
6.21 mi08:04:1743:307:0020:45
6:41
#669
15K
9.32 mi08:24:381:03:516:5120:21
6:33
#591
21K
13.05 mi08:48:571:28:106:4524:19
6:31
#402
25K
15.53 mi09:04:491:44:026:4215:52
6:23
#360
30K
18.64 mi09:25:002:04:136:4020:11
6:30
#320
35K
21.75 mi09:45:112:24:246:3820:11
6:30
#283
40K
24.85 mi10:05:432:44:566:3820:32
6:37
#256
Finish
26.22 mi10:15:262:54:396:409:43
7:07
#253
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi73166497345(Top 1%)325(Top 2%)44(Top 2%)
10K6.21 mi3.10 mi669+62615+4993+4594(Top 2%)558(Top 3%)83(Top 3%)
15K9.32 mi3.11 mi591+78550+6584+9345(Top 1%)325(Top 2%)44(Top 2%)
21K13.05 mi3.73 mi402+189377+17354+30196(Top 0.7%)192(Top 1%)28(Top 1%)
25K15.53 mi2.48 mi360+42340+3746+8261(Top 0.9%)252(Top 1%)31(Top 1%)
30K18.64 mi3.11 mi320+40307+3341+5208(Top 0.7%)195(Top 1%)23(Top 1.0%)
35K21.75 mi3.11 mi283+37273+3434+7156(Top 0.5%)152(Top 0.9%)17(Top 0.7%)
40K24.85 mi3.10 mi256+27247+2629+5174(Top 0.6%)168(Top 0.9%)20(Top 0.8%)
Finish26.22 mi1.37 mi253+3244+327+2412(Top 1%)374(Top 2%)38(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×18story building
+279ft-164ft

Overall

345

Males

325

M35-39

325

5K→10K

3.1 - 6.2 mi

Top 2%
×11story building
+103ft-217ft

Overall

594

Males

558

M35-39

558

10K→15K

6.2 - 9.3 mi

Top 1%
×3story building
+51ft-55ft

Overall

345

Males

325

M35-39

325

15K→21K

9.3 - 13.1 mi

Top 0.7%
×1story
+20ft-37ft

Overall

196

Males

192

M35-39

192

21K→25K

13.1 - 15.5 mi

Top 0.9%
×2story building
+35ft-8ft

Overall

261

Males

252

M35-39

252

25K→30K

15.5 - 18.6 mi

Top 0.7%
×2story building
+58ft-57ft

Overall

208

Males

195

M35-39

195

30K→35K

18.6 - 21.8 mi

Top 0.5%
×2story building
+98ft-92ft

Overall

156

Males

152

M35-39

152

35K→40K

21.8 - 24.9 mi

Top 0.6%
×2story building
+36ft-53ft

Overall

174

Males

168

M35-39

168

40K→Finish

24.9 - 26.2 mi

Top 1%
×5story building
+80ft-24ft

Overall

412

Males

374

M35-39

374

Passing Analysis

Category:
Athletes Passed
502*
Passed By
24
Net Change
+478
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#731
5K → 10K7311+62#731#669
10K → 15K791+78#669#591
15K → 21K189*0+189#591#402
21K → 25K420+42#402#360
25K → 30K43*3+40#360#320
30K → 35K381+37#320#283
35K → 40K292+27#283#256
40K → Finish9*6+3#256#253
TOTALS502*24+478

* 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