Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Marc Pietrow

Hamilton, NJ

Bib: 23901 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Gender (Male)
#0 / 17709
Division (M35-39)
#0 / 2420
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
11:51/mi
36:49
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
11:04/mi
1:11:13
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
11:03/mi
1:45:33
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:11/mi
2:27:14
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:52/mi
2:54:15
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:21/mi
3:29:30
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:39/mi
4:05:42
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:55/mi
4:42:44
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:59/mi
4:59:04
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:27:14
Pace11:17 /mi
2nd Half
Distance13.17 mi
Time2:31:49
Pace11:32 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:32:2136:4911:5136:49
11:51
-
10K
6.21 mi09:06:451:11:1311:2834:24
11:04
-0:47
15K
9.32 mi09:41:051:45:3311:1934:20
11:03
-0:01
21K
13.05 mi10:22:462:27:1411:1741:41
11:11
+0:08
25K
15.53 mi10:49:472:54:1511:1327:01
10:52
-0:19
30K
18.64 mi11:25:023:29:3011:1435:15
11:21
+0:29
35K
21.75 mi12:01:144:05:4211:1836:12
11:39
+0:18
40K
24.85 mi12:38:164:42:4411:2337:02
11:55
+0:16
Finish
26.22 mi12:54:364:59:0411:2516:20
11:59
+0:04

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

10:52 /mi

Average Pace

11:25 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:42:44

95% of race

Time at Steady Pace

16:20

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:24 /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 mi08:32:2136:4911:5136:49
11:51
#23148
10K
6.21 mi09:06:451:11:1311:2834:24
11:04
#22768
15K
9.32 mi09:41:051:45:3311:1934:20
11:03
#22109
21K
13.05 mi10:22:462:27:1411:1741:41
11:11
#20954
25K
15.53 mi10:49:472:54:1511:1327:01
10:52
#20167
30K
18.64 mi11:25:023:29:3011:1435:15
11:21
#19214
35K
21.75 mi12:01:144:05:4211:1836:12
11:39
#18489
40K
24.85 mi12:38:164:42:4411:2337:02
11:55
#17892
Finish
26.22 mi12:54:364:59:0411:2516:20
11:59
#17799
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi2314814615210120986(Top 70%)13516(Top 76%)1956(Top 81%)
10K6.21 mi3.10 mi22768+38014440+1752081+2022521(Top 75%)14293(Top 81%)2069(Top 86%)
15K9.32 mi3.11 mi22109+65914105+3352040+4120986(Top 70%)13516(Top 76%)1956(Top 81%)
21K13.05 mi3.73 mi20954+115513457+6481963+7719211(Top 64%)12481(Top 70%)1825(Top 76%)
25K15.53 mi2.48 mi20167+78712982+4751904+5917570(Top 58%)11360(Top 64%)1656(Top 69%)
30K18.64 mi3.11 mi19214+95312418+5641826+7816132(Top 54%)10368(Top 59%)1505(Top 62%)
35K21.75 mi3.11 mi18489+72511890+5281742+8415507(Top 52%)9683(Top 55%)1394(Top 58%)
40K24.85 mi3.10 mi17892+59711420+4701663+7914862(Top 49%)9072(Top 51%)1298(Top 54%)
Finish26.22 mi1.37 mi17799+9311335+851652+1115627(Top 52%)9502(Top 54%)1377(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×18story building
+279ft-164ft

Overall

20986

Males

13516

M35-39

13516

5K→10K

3.1 - 6.2 mi

Top 75%
×11story building
+103ft-217ft

Overall

22521

Males

14293

M35-39

14293

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+51ft-55ft

Overall

20986

Males

13516

M35-39

13516

15K→21K

9.3 - 13.1 mi

Top 64%
×1story
+20ft-37ft

Overall

19211

Males

12481

M35-39

12481

21K→25K

13.1 - 15.5 mi

Top 58%
×2story building
+35ft-8ft

Overall

17570

Males

11360

M35-39

11360

25K→30K

15.5 - 18.6 mi

Top 54%
×2story building
+58ft-57ft

Overall

16132

Males

10368

M35-39

10368

30K→35K

18.6 - 21.8 mi

Top 52%
×2story building
+98ft-92ft

Overall

15507

Males

9683

M35-39

9683

35K→40K

21.8 - 24.9 mi

Top 49%
×2story building
+36ft-53ft

Overall

14862

Males

9072

M35-39

9072

40K→Finish

24.9 - 26.2 mi

Top 52%
×5story building
+80ft-24ft

Overall

15627

Males

9502

M35-39

9502

Passing Analysis

Category:
Athletes Passed
6196*
Passed By
847
Net Change
+5349
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23148
5K → 10K693*313+380#23148#22768
10K → 15K778*119+659#22768#22109
15K → 21K1231*76+1155#22109#20954
21K → 25K829*42+787#20954#20167
25K → 30K994*41+953#20167#19214
30K → 35K812*87+725#19214#18489
35K → 40K682*85+597#18489#17892
40K → Finish177*84+93#17892#17799
TOTALS6196*847+5349

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions