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MARINE CORPS MARATHON 2025

Chandler Sebek

Sugar Land, TX

Bib: 22952 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Male)
#0 / 17709
Division (M30-34)
#0 / 2603
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
10:00/mi
31:03
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:22/mi
1:00:10
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:10/mi
1:31:44
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:20/mi
2:10:15
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:36/mi
2:36:36
↑ 350.2%
30 ft elev
30K· 18.64 mi
12:12/mi
3:14:29
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:10/mi
3:55:25
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:10/mi
4:36:20
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
12:48/mi
4:53:47
↑ 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 21KFaster
Distance13.05 mi
Time2:10:15
Pace9:59 /mi
2nd Half
Distance13.17 mi
Time2:43:32
Pace12:25 /mi
📊Positive Split: 25.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:49:5631:0310:0031:03
10:00
-
10K
6.21 mi08:19:031:00:109:4129:07
9:22
-0:38
15K
9.32 mi08:50:371:31:449:5131:34
10:10
+0:48
21K
13.05 mi09:29:082:10:159:5938:31
10:20
+0:10
25K
15.53 mi09:55:292:36:3610:0526:21
10:36
+0:16
30K
18.64 mi10:33:223:14:2910:2637:53
12:12
+1:36
35K
21.75 mi11:14:183:55:2510:4940:56
13:10
+0:58
40K
24.85 mi11:55:134:36:2011:0740:56
13:10
0:00
Finish
26.22 mi12:12:404:53:4711:1317:27
12:48
-0:22

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

9:22 /mi

Average Pace

11:13 /mi

Slowest Pace

13:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:07

10% of race

Time at Steady Pace

2:07:29

43% of race

Time at Slower Pace

2:17:11

47% of race

Average Pace: 11:12 /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 mi07:49:5631:0310:0031:03
10:00
#11610
10K
6.21 mi08:19:031:00:109:4129:07
9:22
#11605
15K
9.32 mi08:50:371:31:449:5131:34
10:10
#12963
21K
13.05 mi09:29:082:10:159:5938:31
10:20
#13463
25K
15.53 mi09:55:292:36:3610:0526:21
10:36
#13926
30K
18.64 mi10:33:223:14:2910:2637:53
12:12
#15034
35K
21.75 mi11:14:183:55:2510:4940:56
13:10
#16138
40K
24.85 mi11:55:134:36:2011:0740:56
13:10
#16673
Finish
26.22 mi12:12:404:53:4711:1317:27
12:48
#16809
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi116108265139415682(Top 52%)10633(Top 60%)1742(Top 67%)
10K6.21 mi3.10 mi11605+58291-261407-1311856(Top 39%)8459(Top 48%)1429(Top 55%)
15K9.32 mi3.11 mi12963-13589077-7861518-11115682(Top 52%)10633(Top 60%)1742(Top 67%)
21K13.05 mi3.73 mi13463-5009348-2711552-3414942(Top 50%)10184(Top 58%)1674(Top 64%)
25K15.53 mi2.48 mi13926-4639572-2241588-3616417(Top 55%)10756(Top 61%)1736(Top 67%)
30K18.64 mi3.11 mi15034-110810130-5581655-6719185(Top 64%)12054(Top 68%)1881(Top 72%)
35K21.75 mi3.11 mi16138-110410616-4861721-6620449(Top 68%)12328(Top 70%)1899(Top 73%)
40K24.85 mi3.10 mi16673-53510771-1551727-618860(Top 63%)11331(Top 64%)1755(Top 68%)
Finish26.22 mi1.37 mi16809-13610809-381728-118560(Top 62%)11179(Top 63%)1776(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

15682

Males

10633

M30-34

10633

5K→10K

3.1 - 6.2 mi

Top 39%
×11story building
+103ft-217ft

Overall

11856

Males

8459

M30-34

8459

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+51ft-55ft

Overall

15682

Males

10633

M30-34

10633

15K→21K

9.3 - 13.1 mi

Top 50%
×1story
+20ft-37ft

Overall

14942

Males

10184

M30-34

10184

21K→25K

13.1 - 15.5 mi

Top 55%
×2story building
+35ft-8ft

Overall

16417

Males

10756

M30-34

10756

25K→30K

15.5 - 18.6 mi

Top 64%
×2story building
+58ft-57ft

Overall

19185

Males

12054

M30-34

12054

30K→35K

18.6 - 21.8 mi

Top 68%
×2story building
+98ft-92ft

Overall

20449

Males

12328

M30-34

12328

35K→40K

21.8 - 24.9 mi

Top 63%
×2story building
+36ft-53ft

Overall

18860

Males

11331

M30-34

11331

40K→Finish

24.9 - 26.2 mi

Top 62%
×5story building
+80ft-24ft

Overall

18560

Males

11179

M30-34

11179

Passing Analysis

Category:
Athletes Passed
1272*
Passed By
6471
Net Change
-5199
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11610
5K → 10K342*337+5#11610#11605
10K → 15K48*1406-1358#11605#12963
15K → 21K207*707-500#12963#13463
21K → 25K165*628-463#13463#13926
25K → 30K112*1220-1108#13926#15034
30K → 35K132*1236-1104#15034#16138
35K → 40K185*720-535#16138#16673
40K → Finish81*217-136#16673#16809
TOTALS1272*6471-5199

* 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