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MARINE CORPS MARATHON 2024

Sean Blackford

Leesburg, VA

Bib: 24486 M

0:00
0:00
/ mi
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Overall
#0 / 15907
Top 11%
Gender (Male)
#0 / 9934
Top 14%
Division (M35-39)
#0 / 1396
Top 14%
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
8:09/mi
25:20
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:50/mi
49:39
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:01/mi
1:14:34
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:00/mi
1:44:23
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:59/mi
2:04:13
↑ 350.2%
30 ft elev
30K· 18.64 mi
7:57/mi
2:28:54
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:05/mi
2:54:01
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:33/mi
3:20:36
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:10/mi
3:33:06
↑ 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
1:44:238:00 /mi⚡ faster
2nd Half
1:48:428:15 /mi+4.1%
Positive split — 4.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:22:4325:208:0925:20
8:09
-
10K
6.21 mi08:47:0249:397:5924:19
7:50
-0:19
15K
9.32 mi09:11:571:14:348:0024:55
8:01
+0:11
21K
13.05 mi09:41:461:44:238:0029:49
8:00
-0:01
25K
15.53 mi10:01:362:04:138:0019:50
7:59
-0:01
30K
18.64 mi10:26:172:28:547:5924:41
7:57
-0:02
35K
21.75 mi10:51:242:54:018:0025:07
8:05
+0:08
40K
24.85 mi11:17:593:20:368:0426:35
8:33
+0:28
Finish
26.22 mi11:30:293:33:068:0812:30
9:10
+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

7:50 /mi

Average Pace

8:08 /mi

Slowest Pace

9:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:20:36

94% of race

Time at Steady Pace

12:30

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:08 /mi

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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.

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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 mi08:22:4325:208:0925:20
8:09
#1713
10K
6.21 mi08:47:0249:397:5924:19
7:50
#1809
15K
9.32 mi09:11:571:14:348:0024:55
8:01
#1859
21K
13.05 mi09:41:461:44:238:0029:49
8:00
#1831
25K
15.53 mi10:01:362:04:138:0019:50
7:59
#1874
30K
18.64 mi10:26:172:28:547:5924:41
7:57
#1711
35K
21.75 mi10:51:242:54:018:0025:07
8:05
#1642
40K
24.85 mi11:17:593:20:368:0426:35
8:33
#1603
Finish
26.22 mi11:30:293:33:068:0812:30
9:10
#1646
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi1713142521420351671252
10K6.21 mi3.10 mi1809-961508-83228-1420011652245
15K9.32 mi3.11 mi1859-501543-35233-520351671252
21K13.05 mi3.73 mi1831+281526+17228+517781481222
25K15.53 mi2.48 mi1874-431549-23234-622521828280
30K18.64 mi3.11 mi1711+1631421+128212+2212871073154
35K21.75 mi3.11 mi1642+691359+62200+1215231228175
40K24.85 mi3.10 mi1603+391310+49190+1018561398201
Finish26.22 mi1.37 mi1646-431325-15196-632422304331

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×18story building
+279ft-164ft

Overall

2035

Males

1671

M35-39

1671

5K→10K

3.1 - 6.2 mi

Top 13%
×11story building
+103ft-217ft

Overall

2001

Males

1652

M35-39

1652

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+51ft-55ft

Overall

2035

Males

1671

M35-39

1671

15K→21K

9.3 - 13.1 mi

Top 11%
×1story
+20ft-37ft

Overall

1778

Males

1481

M35-39

1481

21K→25K

13.1 - 15.5 mi

Top 14%
×2story building
+35ft-8ft

Overall

2252

Males

1828

M35-39

1828

25K→30K

15.5 - 18.6 mi

Top 8%
×2story building
+58ft-57ft

Overall

1287

Males

1073

M35-39

1073

30K→35K

18.6 - 21.8 mi

Top 10%
×2story building
+98ft-92ft

Overall

1523

Males

1228

M35-39

1228

35K→40K

21.8 - 24.9 mi

Top 12%
×2story building
+36ft-53ft

Overall

1856

Males

1398

M35-39

1398

40K→Finish

24.9 - 26.2 mi

Top 20%
×5story building
+80ft-24ft

Overall

3242

Males

2304

M35-39

2304

Passing Analysis

Category:
Athletes Passed
575*
Passed By
508
Net Change
+67
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1713
5K → 10K32128-96#1713#1809
10K → 15K43*93-50#1809#1859
15K → 21K70*42+28#1859#1831
21K → 25K34*77-43#1831#1874
25K → 30K168*5+163#1874#1711
30K → 35K98*29+69#1711#1642
35K → 40K103*64+39#1642#1603
40K → Finish2770-43#1603#1646
TOTALS575*508+67

* 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