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MARINE CORPS MARATHON 2024

Anton Semelroth Jr

Stafford, VA

Bib: 14982 M

0:00
0:00
/ mi
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Overall
#0 / 15907
Gender (Male)
#0 / 9934
Division (M14-19)
#0 / 143
Race Day Weather
43°/33°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
10:45/mi
33:23
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:06/mi
1:04:47
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:57/mi
1:38:49
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:54/mi
2:23:11
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:28/mi
2:49:13
↑ 350.2%
30 ft elev
30K· 18.64 mi
12:20/mi
3:27:31
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:26/mi
4:09:14
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:22/mi
4:50:45
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
12:45/mi
5:08:09
↑ 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
Time2:23:11
Pace10:58 /mi
2nd Half
Distance13.17 mi
Time2:44:57
Pace12:31 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:46:0733:2310:4533:23
10:45
-
10K
6.21 mi09:17:311:04:4710:2631:24
10:06
-0:39
15K
9.32 mi09:51:331:38:4910:3634:02
10:57
+0:51
21K
13.05 mi10:35:552:23:1110:5844:22
11:54
+0:57
25K
15.53 mi11:01:572:49:1310:5426:02
10:28
-1:26
30K
18.64 mi11:40:153:27:3111:0838:18
12:20
+1:52
35K
21.75 mi12:21:584:09:1411:2841:43
13:26
+1:06
40K
24.85 mi13:03:294:50:4511:4241:31
13:22
-0:04
Finish
26.22 mi13:20:535:08:0911:4617:24
12:45
-0:37

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

10:06 /mi

Average Pace

11:46 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:51

41% of race

Time at Steady Pace

1:22:40

27% of race

Time at Slower Pace

1:40:38

33% of race

Average Pace: 11:45 /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 mi08:46:0733:2310:4533:23
10:45
#10572
10K
6.21 mi09:17:311:04:4710:2631:24
10:06
#10376
15K
9.32 mi09:51:331:38:4910:3634:02
10:57
#10905
21K
13.05 mi10:35:552:23:1110:5844:22
11:54
#11710
25K
15.53 mi11:01:572:49:1310:5426:02
10:28
#11307
30K
18.64 mi11:40:153:27:3111:0838:18
12:20
#11354
35K
21.75 mi12:21:584:09:1411:2841:43
13:26
#11640
40K
24.85 mi13:03:294:50:4511:4241:31
13:22
#11627
Finish
26.22 mi13:20:535:08:0911:4617:24
12:45
#11606
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM14-19Seg. OverallSeg. MalesSeg. M14-19
5K3.11 mi3.11 mi105727335122118998052123
10K6.21 mi3.10 mi10376+1967234+101119+3101937115116
15K9.32 mi3.11 mi10905-5297520-286123-4118998052123
21K13.05 mi3.73 mi11710-8057937-417122+1130568621122
25K15.53 mi2.48 mi11307+4037683+254119+39756664699
30K18.64 mi3.11 mi11354-477632+51114+5115787547113
35K21.75 mi3.11 mi11640-2867737-105113+1124877885115
40K24.85 mi3.10 mi11627+137670+67114-1116017320103
Finish26.22 mi1.37 mi11606+217634+36113+1112577100108

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×18story building
+279ft-164ft

Overall

11899

Males

8052

M14-19

8052

5K→10K

3.1 - 6.2 mi

Top 64%
×11story building
+103ft-217ft

Overall

10193

Males

7115

M14-19

7115

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+51ft-55ft

Overall

11899

Males

8052

M14-19

8052

15K→21K

9.3 - 13.1 mi

Top 82%
×1story
+20ft-37ft

Overall

13056

Males

8621

M14-19

8621

21K→25K

13.1 - 15.5 mi

Top 61%
×2story building
+35ft-8ft

Overall

9756

Males

6646

M14-19

6646

25K→30K

15.5 - 18.6 mi

Top 73%
×2story building
+58ft-57ft

Overall

11578

Males

7547

M14-19

7547

30K→35K

18.6 - 21.8 mi

Top 79%
×2story building
+98ft-92ft

Overall

12487

Males

7885

M14-19

7885

35K→40K

21.8 - 24.9 mi

Top 73%
×2story building
+36ft-53ft

Overall

11601

Males

7320

M14-19

7320

40K→Finish

24.9 - 26.2 mi

Top 71%
×5story building
+80ft-24ft

Overall

11257

Males

7100

M14-19

7100

Passing Analysis

Category:
Athletes Passed
1537*
Passed By
2571
Net Change
-1034
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10572
5K → 10K359*163+196#10572#10376
10K → 15K95*624-529#10376#10905
15K → 21K72*877-805#10905#11710
21K → 25K428*25+403#11710#11307
25K → 30K221*268-47#11307#11354
30K → 35K125*411-286#11354#11640
35K → 40K171*158+13#11640#11627
40K → Finish66*45+21#11627#11606
TOTALS1537*2571-1034

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

Passing Charts

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