Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Brian Zwart

Muskegon, MI

Bib: 17819 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Top 43%
Gender (Male)
#0 / 17709
Top 49%
Masters (Masters Men)
#0 / 8330
Top 39%
Division (M40-44)
#0 / 2340
Top 48%
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
11:32/mi
35:49
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:53/mi
1:09:39
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:22/mi
1:41:50
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:18/mi
2:20:15
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:47/mi
2:44:33
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:44/mi
3:14:46
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:06/mi
3:46:10
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:34/mi
4:19:01
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:14/mi
4:32:59
↑ 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 21K
Distance13.05 mi
Time2:20:15
Pace10:45 /mi
2nd Half✓ Faster
Distance13.17 mi
Time2:12:43
Pace10:05 /mi
📊Negative Split: 5.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:33:0035:4911:3235:49
11:32
-
10K
6.21 mi09:06:501:09:3911:1333:50
10:53
-0:39
15K
9.32 mi09:39:011:41:5010:5632:11
10:22
-0:31
21K
13.05 mi10:17:262:20:1510:4538:25
10:18
-0:04
25K
15.53 mi10:41:442:44:3310:3624:18
9:47
-0:31
30K
18.64 mi11:11:573:14:4610:2730:13
9:44
-0:03
35K
21.75 mi11:43:213:46:1010:2431:24
10:06
+0:22
40K
24.85 mi12:16:124:19:0110:2532:51
10:34
+0:28
Finish
26.22 mi12:30:104:32:5910:2513:58
10:14
-0:20

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

9:44 /mi

Average Pace

10:25 /mi

Slowest Pace

11:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:20

74% of race

Time at Steady Pace

33:50

12% of race

Time at Slower Pace

35:49

13% of race

Average Pace: 10:25 /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 mi08:33:0035:4911:3235:49
11:32
#21396
10K
6.21 mi09:06:501:09:3911:1333:50
10:53
#21406
15K
9.32 mi09:39:011:41:5010:5632:11
10:22
#19815
21K
13.05 mi10:17:262:20:1510:4538:25
10:18
#18016
25K
15.53 mi10:41:442:44:3310:3624:18
9:47
#16855
30K
18.64 mi11:11:573:14:4610:2730:13
9:44
#15123
35K
21.75 mi11:43:213:46:1010:2431:24
10:06
#13945
40K
24.85 mi12:16:124:19:0110:2532:51
10:34
#13200
Finish
26.22 mi12:30:104:32:5910:2513:58
10:14
#12882
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2139613684179516956(Top 56%)11367(Top 64%)1492(Top 64%)
10K6.21 mi3.10 mi21406-1013717-331804-921548(Top 72%)13807(Top 78%)1812(Top 78%)
15K9.32 mi3.11 mi19815+159112898+8191683+12116956(Top 56%)11367(Top 64%)1492(Top 64%)
21K13.05 mi3.73 mi18016+179911945+9531560+12314782(Top 49%)10089(Top 57%)1314(Top 56%)
25K15.53 mi2.48 mi16855+116111252+6931474+8612529(Top 42%)8623(Top 49%)1120(Top 48%)
30K18.64 mi3.11 mi15123+173210186+10661336+1389366(Top 31%)6604(Top 37%)835(Top 36%)
35K21.75 mi3.11 mi13945+11789383+8031221+1159519(Top 32%)6412(Top 36%)814(Top 35%)
40K24.85 mi3.10 mi13200+7458826+5571147+749899(Top 33%)6352(Top 36%)815(Top 35%)
Finish26.22 mi1.37 mi12882+3188598+2281112+358918(Top 30%)5721(Top 32%)724(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×18story building
+279ft-164ft

Overall

16956

Males

11367

M40-44

11367

5K→10K

3.1 - 6.2 mi

Top 72%
×11story building
+103ft-217ft

Overall

21548

Males

13807

M40-44

13807

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+51ft-55ft

Overall

16956

Males

11367

M40-44

11367

15K→21K

9.3 - 13.1 mi

Top 49%
×1story
+20ft-37ft

Overall

14782

Males

10089

M40-44

10089

21K→25K

13.1 - 15.5 mi

Top 42%
×2story building
+35ft-8ft

Overall

12529

Males

8623

M40-44

8623

25K→30K

15.5 - 18.6 mi

Top 31%
×2story building
+58ft-57ft

Overall

9366

Males

6604

M40-44

6604

30K→35K

18.6 - 21.8 mi

Top 32%
×2story building
+98ft-92ft

Overall

9519

Males

6412

M40-44

6412

35K→40K

21.8 - 24.9 mi

Top 33%
×2story building
+36ft-53ft

Overall

9899

Males

6352

M40-44

6352

40K→Finish

24.9 - 26.2 mi

Top 30%
×5story building
+80ft-24ft

Overall

8918

Males

5721

M40-44

5721

Passing Analysis

Category:
Athletes Passed
9104*
Passed By
590
Net Change
+8514
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21396
5K → 10K458*468-10#21396#21406
10K → 15K1603*12+1591#21406#19815
15K → 21K1815*16+1799#19815#18016
21K → 25K1169*8+1161#18016#16855
25K → 30K1735*3+1732#16855#15123
30K → 35K1194*16+1178#15123#13945
35K → 40K792*47+745#13945#13200
40K → Finish338*20+318#13200#12882
TOTALS9104*590+8514

* 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