Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Blake Szalapski

South Orange, NJ

Bib: 9622 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Top 5%
Gender (Male)
#0 / 17709
Top 6%
Division (M30-34)
#0 / 2603
Top 9%
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
6:55/mi
21:30
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
6:33/mi
41:51
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
6:42/mi
1:02:39
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
6:46/mi
1:27:53
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
6:42/mi
1:44:31
↑ 350.2%
30 ft elev
30K· 18.64 mi
7:56/mi
2:09:11
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:14/mi
2:37:53
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:24/mi
3:07:05
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:28/mi
3:20:00
↑ 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
Time1:27:53
Pace6:44 /mi
2nd Half
Distance13.17 mi
Time1:52:07
Pace8:31 /mi
📊Positive Split: 27.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:42:2721:306:5521:30
6:55
-
10K
6.21 mi08:02:4841:516:4420:21
6:33
-0:22
15K
9.32 mi08:23:361:02:396:4320:48
6:42
+0:09
21K
13.05 mi08:48:501:27:536:4425:14
6:46
+0:04
25K
15.53 mi09:05:281:44:316:4416:38
6:42
-0:04
30K
18.64 mi09:30:082:09:116:5624:40
7:56
+1:14
35K
21.75 mi09:58:502:37:537:1628:42
9:14
+1:18
40K
24.85 mi10:28:023:07:057:3229:12
9:24
+0:10
Finish
26.22 mi10:40:573:20:007:3812:55
9:28
+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

6:33 /mi

Average Pace

7:38 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:44:31

52% of race

Time at Slower Pace

1:35:29

48% of race

Average Pace: 7:38 /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 mi07:42:2721:306:5521:30
6:55
#347
10K
6.21 mi08:02:4841:516:4420:21
6:33
#361
15K
9.32 mi08:23:361:02:396:4320:48
6:42
#383
21K
13.05 mi08:48:501:27:536:4425:14
6:46
#376
25K
15.53 mi09:05:281:44:316:4416:38
6:42
#402
30K
18.64 mi09:30:082:09:116:5624:40
7:56
#606
35K
21.75 mi09:58:502:37:537:1628:42
9:14
#925
40K
24.85 mi10:28:023:07:057:3229:12
9:24
#1231
Finish
26.22 mi10:40:573:20:007:3812:55
9:28
#1358
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi34732771546(Top 2%)511(Top 3%)111(Top 4%)
10K6.21 mi3.10 mi361-14339-1277-6387(Top 1%)366(Top 2%)83(Top 3%)
15K9.32 mi3.11 mi383-22360-2183-6546(Top 2%)511(Top 3%)111(Top 4%)
21K13.05 mi3.73 mi376+7354+681+2390(Top 1%)368(Top 2%)80(Top 3%)
25K15.53 mi2.48 mi402-26378-2481567(Top 2%)533(Top 3%)111(Top 4%)
30K18.64 mi3.11 mi606-204560-182114-332185(Top 7%)1761(Top 10%)335(Top 13%)
35K21.75 mi3.11 mi925-319823-263174-606083(Top 20%)4401(Top 25%)777(Top 30%)
40K24.85 mi3.10 mi1231-3061043-220210-365578(Top 19%)3879(Top 22%)665(Top 26%)
Finish26.22 mi1.37 mi1358-1271133-90233-235846(Top 19%)3967(Top 22%)690(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×18story building
+279ft-164ft

Overall

546

Males

511

M30-34

511

5K→10K

3.1 - 6.2 mi

Top 1%
×11story building
+103ft-217ft

Overall

387

Males

366

M30-34

366

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+51ft-55ft

Overall

546

Males

511

M30-34

511

15K→21K

9.3 - 13.1 mi

Top 1%
×1story
+20ft-37ft

Overall

390

Males

368

M30-34

368

21K→25K

13.1 - 15.5 mi

Top 2%
×2story building
+35ft-8ft

Overall

567

Males

533

M30-34

533

25K→30K

15.5 - 18.6 mi

Top 7%
×2story building
+58ft-57ft

Overall

2185

Males

1761

M30-34

1761

30K→35K

18.6 - 21.8 mi

Top 20%
×2story building
+98ft-92ft

Overall

6083

Males

4401

M30-34

4401

35K→40K

21.8 - 24.9 mi

Top 19%
×2story building
+36ft-53ft

Overall

5578

Males

3879

M30-34

3879

40K→Finish

24.9 - 26.2 mi

Top 19%
×5story building
+80ft-24ft

Overall

5846

Males

3967

M30-34

3967

Passing Analysis

Category:
Athletes Passed
51*
Passed By
1062
Net Change
-1011
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#347
5K → 10K721-14#347#361
10K → 15K527-22#361#383
15K → 21K15*8+7#383#376
21K → 25K632-26#376#402
25K → 30K4*208-204#402#606
30K → 35K1320-319#606#925
35K → 40K5311-306#925#1231
40K → Finish8*135-127#1231#1358
TOTALS51*1062-1011

* 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