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MARINE CORPS MARATHON 2024

Robert Grusky Jr

Woodbridge, VA

Bib: 7916 M

0:00
0:00
/ mi
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Overall
#0 / 15907
Top 50%
Gender (Male)
#0 / 9934
Division (M30-34)
#0 / 1564
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
9:03/mi
28:06
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:29/mi
54:28
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:23/mi
1:23:36
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:23/mi
1:58:33
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:44/mi
2:22:44
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:58/mi
2:56:47
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
12:42/mi
3:36:15
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
12:13/mi
4:14:12
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
12:43/mi
4:31:32
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:58:339:05 /mi⚡ faster
2nd Half
2:32:5911:37 /mi+29.0%
Positive split — 29.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
28:069:033.11 mi28:06
9:03
-
10K
54:288:463.10 mi26:22
8:29
-0:34
15K
1:23:368:583.11 mi29:08
9:23
+0:54
21K
1:58:339:053.73 mi34:57
9:23
0:00
25K
2:22:449:112.48 mi24:11
9:44
+0:21
30K
2:56:479:293.11 mi34:03
10:58
+1:14
35K
3:36:159:573.11 mi39:28
12:42
+1:44
40K
4:14:1210:143.10 mi37:57
12:13
-0:29
Finish(26.22 mi)
4:31:3210:221.37 mi17:20
12:43
+0:30
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

8:29 /mi

Average Pace

10:22 /mi

Slowest Pace

12:43 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

26:22

10% of race

Time at Steady Pace

1:56:22

43% of race

Time at Slower Pace

2:08:48

47% of race

Average Pace: 10:21 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
5K3.11 mi3.11 mi4260332758965984920862
10K6.21 mi3.10 mi4087+1733214+113569+2040233166565
15K9.32 mi3.11 mi4910-8233804-590663-9465984920862
21K13.05 mi3.73 mi5240-3304024-220711-4862434675825
25K15.53 mi2.48 mi5703-4634299-275754-4375655368948
30K18.64 mi3.11 mi6262-5594628-329816-62875659571028
35K21.75 mi3.11 mi7190-9285137-509910-941134772461190
40K24.85 mi3.10 mi7562-3725295-158931-21957360971023
Finish26.22 mi1.37 mi7788-2265410-115949-181117870541182

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×18story building
+279ft-164ft

Overall

6598

Males

4920

M30-34

4920

5K→10K

3.1 - 6.2 mi

Top 25%
×11story building
+103ft-217ft

Overall

4023

Males

3166

M30-34

3166

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+51ft-55ft

Overall

6598

Males

4920

M30-34

4920

15K→21K

9.3 - 13.1 mi

Top 39%
×1story
+20ft-37ft

Overall

6243

Males

4675

M30-34

4675

21K→25K

13.1 - 15.5 mi

Top 48%
×2story building
+35ft-8ft

Overall

7565

Males

5368

M30-34

5368

25K→30K

15.5 - 18.6 mi

Top 55%
×2story building
+58ft-57ft

Overall

8756

Males

5957

M30-34

5957

30K→35K

18.6 - 21.8 mi

Top 71%
×2story building
+98ft-92ft

Overall

11347

Males

7246

M30-34

7246

35K→40K

21.8 - 24.9 mi

Top 60%
×2story building
+36ft-53ft

Overall

9573

Males

6097

M30-34

6097

40K→Finish

24.9 - 26.2 mi

Top 70%
×5story building
+80ft-24ft

Overall

11178

Males

7054

M30-34

7054

Passing Analysis

Category:
Athletes Passed
623*
Passed By
4151
Net Change
-3528
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4260
5K → 10K276*103+173#4260#4087
10K → 15K18*841-823#4087#4910
15K → 21K63*393-330#4910#5240
21K → 25K59*522-463#5240#5703
25K → 30K67*626-559#5703#6262
30K → 35K44*972-928#6262#7190
35K → 40K82*454-372#7190#7562
40K → Finish14*240-226#7562#7788
TOTALS623*4151-3528

* 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

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Timing Productions