Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Charles Stalzer, Jr

Fayetteville, GA

Bib: 16397 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Top 47%
Gender (Male)
#0 / 17709
Masters (Masters Men)
#0 / 8330
Top 43%
Division (M60-64)
#0 / 723
Top 31%
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
10:49/mi
33:35
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:10/mi
1:05:09
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:09/mi
1:36:40
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:25/mi
2:15:31
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:59/mi
2:40:21
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:26/mi
3:12:47
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:04/mi
3:47:10
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:43/mi
4:23:34
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:22/mi
4:39:04
↑ 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

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:15:31
Pace10:23 /mi
2nd Half
Distance13.17 mi
Time2:23:32
Pace10:54 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:27:3833:3510:4933:35
10:49
-
10K
6.21 mi08:59:121:05:0910:2931:34
10:10
-0:39
15K
9.32 mi09:30:431:36:4010:2231:31
10:09
-0:01
21K
13.05 mi10:09:342:15:3110:2338:51
10:25
+0:16
25K
15.53 mi10:34:242:40:2110:1924:50
9:59
-0:26
30K
18.64 mi11:06:503:12:4710:2132:26
10:26
+0:27
35K
21.75 mi11:41:133:47:1010:2734:23
11:04
+0:38
40K
24.85 mi12:17:374:23:3410:3636:24
11:43
+0:39
Finish
26.22 mi12:33:074:39:0410:3915:30
11:22
-0:21

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

9:59 /mi

Average Pace

10:39 /mi

Slowest Pace

11:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:47

69% of race

Time at Steady Pace

1:26:17

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:39 /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 mi08:27:3833:3510:4933:35
10:49
#16844
10K
6.21 mi08:59:121:05:0910:2931:34
10:10
#16730
15K
9.32 mi09:30:431:36:4010:2231:31
10:09
#16227
21K
13.05 mi10:09:342:15:3110:2338:51
10:25
#15794
25K
15.53 mi10:34:242:40:2110:1924:50
9:59
#15232
30K
18.64 mi11:06:503:12:4710:2132:26
10:26
#14513
35K
21.75 mi11:41:133:47:1010:2734:23
11:04
#14170
40K
24.85 mi12:17:374:23:3410:3636:24
11:43
#14122
Finish
26.22 mi12:33:074:39:0410:3915:30
11:22
#14058
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi168441129430815560(Top 52%)10562(Top 60%)256(Top 36%)
10K6.21 mi3.10 mi16730+11411261+33290+1816773(Top 56%)11302(Top 64%)288(Top 40%)
15K9.32 mi3.11 mi16227+50310979+282274+1615560(Top 52%)10562(Top 60%)256(Top 36%)
21K13.05 mi3.73 mi15794+43310707+272260+1415397(Top 51%)10429(Top 59%)253(Top 35%)
25K15.53 mi2.48 mi15232+56210347+360255+513498(Top 45%)9181(Top 52%)213(Top 30%)
30K18.64 mi3.11 mi14513+7199843+504236+1912389(Top 41%)8338(Top 47%)188(Top 26%)
35K21.75 mi3.11 mi14170+3439516+327225+1113301(Top 44%)8483(Top 48%)211(Top 29%)
40K24.85 mi3.10 mi14122+489356+16022514140(Top 47%)8674(Top 49%)239(Top 33%)
Finish26.22 mi1.37 mi14058+649283+73224+113384(Top 45%)8210(Top 46%)204(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×18story building
+279ft-164ft

Overall

15560

Males

10562

M60-64

10562

5K→10K

3.1 - 6.2 mi

Top 56%
×11story building
+103ft-217ft

Overall

16773

Males

11302

M60-64

11302

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+51ft-55ft

Overall

15560

Males

10562

M60-64

10562

15K→21K

9.3 - 13.1 mi

Top 51%
×1story
+20ft-37ft

Overall

15397

Males

10429

M60-64

10429

21K→25K

13.1 - 15.5 mi

Top 45%
×2story building
+35ft-8ft

Overall

13498

Males

9181

M60-64

9181

25K→30K

15.5 - 18.6 mi

Top 41%
×2story building
+58ft-57ft

Overall

12389

Males

8338

M60-64

8338

30K→35K

18.6 - 21.8 mi

Top 44%
×2story building
+98ft-92ft

Overall

13301

Males

8483

M60-64

8483

35K→40K

21.8 - 24.9 mi

Top 47%
×2story building
+36ft-53ft

Overall

14140

Males

8674

M60-64

8674

40K→Finish

24.9 - 26.2 mi

Top 45%
×5story building
+80ft-24ft

Overall

13384

Males

8210

M60-64

8210

Passing Analysis

Category:
Athletes Passed
4241*
Passed By
1455
Net Change
+2786
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16844
5K → 10K509*395+114#16844#16730
10K → 15K623*120+503#16730#16227
15K → 21K630*197+433#16227#15794
21K → 25K620*58+562#15794#15232
25K → 30K766*47+719#15232#14513
30K → 35K548*205+343#14513#14170
35K → 40K374*326+48#14170#14122
40K → Finish171*107+64#14122#14058
TOTALS4241*1455+2786

* 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