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MARINE CORPS MARATHON 2025

Peter Shreffler

Raleigh, NC

Bib: 591 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 2%
Gender (Male)
#0 / 17709
Top 2%
Masters (Masters Men)
#0 / 8330
Top 1.0%
Division (M40-44)
#0 / 2340
Top 2%
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
7:15/mi
22:33
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
6:50/mi
43:46
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
6:47/mi
1:04:50
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
6:56/mi
1:30:41
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
6:43/mi
1:47:23
↑ 350.2%
30 ft elev
30K· 18.64 mi
6:52/mi
2:08:44
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
7:02/mi
2:30:35
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
6:59/mi
2:52:18
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
7:05/mi
3:01:58
↑ 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⚖️ Balanced
Distance13.05 mi
Time1:30:41
Pace6:57 /mi
2nd Half⚖️ Balanced
Distance13.17 mi
Time1:31:17
Pace6:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:43:3322:337:1522:33
7:15
-
10K
6.21 mi08:04:4643:467:0321:13
6:50
-0:25
15K
9.32 mi08:25:501:04:506:5721:04
6:47
-0:03
21K
13.05 mi08:51:411:30:416:5725:51
6:56
+0:09
25K
15.53 mi09:08:231:47:236:5516:42
6:43
-0:13
30K
18.64 mi09:29:442:08:446:5421:21
6:52
+0:09
35K
21.75 mi09:51:352:30:356:5521:51
7:02
+0:10
40K
24.85 mi10:13:182:52:186:5621:43
6:59
-0:03
Finish
26.22 mi10:22:583:01:586:579:40
7:05
+0:06

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

6:43 /mi

Average Pace

6:57 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:45

82% of race

Time at Steady Pace

32:13

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi07:43:3322:337:1522:33
7:15
#672
10K
6.21 mi08:04:4643:467:0321:13
6:50
#710
15K
9.32 mi08:25:501:04:506:5721:04
6:47
#680
21K
13.05 mi08:51:411:30:416:5725:51
6:56
#653
25K
15.53 mi09:08:231:47:236:5516:42
6:43
#639
30K
18.64 mi09:29:442:08:446:5421:21
6:52
#589
35K
21.75 mi09:51:352:30:356:5521:51
7:02
#538
40K
24.85 mi10:13:182:52:186:5621:43
6:59
#487
Finish
26.22 mi10:22:583:01:586:579:40
7:05
#462
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi67261570664(Top 2%)618(Top 3%)65(Top 3%)
10K6.21 mi3.10 mi710-38652-3775-5745(Top 2%)689(Top 4%)79(Top 3%)
15K9.32 mi3.11 mi680+30630+2271+4664(Top 2%)618(Top 3%)65(Top 3%)
21K13.05 mi3.73 mi653+27604+2666+5614(Top 2%)576(Top 3%)61(Top 3%)
25K15.53 mi2.48 mi639+14590+1465+1591(Top 2%)557(Top 3%)61(Top 3%)
30K18.64 mi3.11 mi589+50548+4258+7479(Top 2%)446(Top 3%)48(Top 2%)
35K21.75 mi3.11 mi538+51500+4856+2491(Top 2%)459(Top 3%)52(Top 2%)
40K24.85 mi3.10 mi487+51457+4354+2366(Top 1%)341(Top 2%)40(Top 2%)
Finish26.22 mi1.37 mi462+25433+2448+6387(Top 1%)354(Top 2%)34(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×18story building
+279ft-164ft

Overall

664

Males

618

M40-44

618

5K→10K

3.1 - 6.2 mi

Top 2%
×11story building
+103ft-217ft

Overall

745

Males

689

M40-44

689

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+51ft-55ft

Overall

664

Males

618

M40-44

618

15K→21K

9.3 - 13.1 mi

Top 2%
×1story
+20ft-37ft

Overall

614

Males

576

M40-44

576

21K→25K

13.1 - 15.5 mi

Top 2%
×2story building
+35ft-8ft

Overall

591

Males

557

M40-44

557

25K→30K

15.5 - 18.6 mi

Top 2%
×2story building
+58ft-57ft

Overall

479

Males

446

M40-44

446

30K→35K

18.6 - 21.8 mi

Top 2%
×2story building
+98ft-92ft

Overall

491

Males

459

M40-44

459

35K→40K

21.8 - 24.9 mi

Top 1%
×2story building
+36ft-53ft

Overall

366

Males

341

M40-44

341

40K→Finish

24.9 - 26.2 mi

Top 1%
×5story building
+80ft-24ft

Overall

387

Males

354

M40-44

354

Passing Analysis

Category:
Athletes Passed
295*
Passed By
85
Net Change
+210
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#672
5K → 10K947-38#672#710
10K → 15K4313+30#710#680
15K → 21K37*10+27#680#653
21K → 25K184+14#653#639
25K → 30K53*3+50#639#589
30K → 35K554+51#589#538
35K → 40K532+51#538#487
40K → Finish27*2+25#487#462
TOTALS295*85+210

* 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