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MARINE CORPS MARATHON 2024

Byron Critchfield

Bellevue, NE

Bib: 55 M

0:00
0:00
/ mi
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Overall
#0 / 15907
Top 2%
Gender (Male)
#0 / 9934
Top 3%
Division (M35-39)
#0 / 1396
Top 3%
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
6:03/mi
18:49
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
5:56/mi
37:16
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
6:24/mi
57:10
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
6:55/mi
1:22:59
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:18/mi
1:41:07
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:08/mi
2:06:23
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
6:52/mi
2:27:42
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
7:18/mi
2:50:22
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
7:08/mi
3:00:06
↑ 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
1:22:596:22 /mi⚡ faster
2nd Half
1:37:077:22 /mi+17.0%
Positive split — 17.0% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:14:5818:496:0318:49
6:03
-
10K
6.21 mi08:33:2537:166:0018:27
5:56
-0:07
15K
9.32 mi08:53:1957:106:0819:54
6:24
+0:28
21K
13.05 mi09:19:081:22:596:2225:49
6:55
+0:31
25K
15.53 mi09:37:161:41:076:3118:08
7:18
+0:23
30K
18.64 mi10:02:322:06:236:4725:16
8:08
+0:50
35K
21.75 mi10:23:512:27:426:4721:19
6:52
-1:16
40K
24.85 mi10:46:312:50:226:5122:40
7:18
+0:26
Finish
26.22 mi10:56:153:00:066:529:44
7:08
-0:10

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

5:56 /mi

Average Pace

6:52 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:10

32% of race

Time at Steady Pace

56:52

32% of race

Time at Slower Pace

1:06:04

37% of race

Average Pace: 6:52 /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.

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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 mi08:14:5818:496:0318:49
6:03
#47
10K
6.21 mi08:33:2537:166:0018:27
5:56
#51
15K
9.32 mi08:53:1957:106:0819:54
6:24
#72
21K
13.05 mi09:19:081:22:596:2225:49
6:55
#119
25K
15.53 mi09:37:161:41:076:3118:08
7:18
#191
30K
18.64 mi10:02:322:06:236:4725:16
8:08
#311
35K
21.75 mi10:23:512:27:426:4721:19
6:52
#293
40K
24.85 mi10:46:312:50:226:5122:40
7:18
#312
Finish
26.22 mi10:56:153:00:066:529:44
7:08
#307
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi4746415314423
10K6.21 mi3.10 mi51-449-3461594
15K9.32 mi3.11 mi72-2170-215-115314423
21K13.05 mi3.73 mi119-47114-4415-1043739963
25K15.53 mi2.48 mi191-72179-6526-11947809123
30K18.64 mi3.11 mi311-120292-11344-1816091317189
35K21.75 mi3.11 mi293+18273+1941+328826641
40K24.85 mi3.10 mi312-19288-1545-442137054
Finish26.22 mi1.37 mi307+5282+644+131728043

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1.0%
×18story building
+279ft-164ft

Overall

153

Males

144

M35-39

144

5K→10K

3.1 - 6.2 mi

Top 0.4%
×11story building
+103ft-217ft

Overall

61

Males

59

M35-39

59

10K→15K

6.2 - 9.3 mi

Top 1.0%
×3story building
+51ft-55ft

Overall

153

Males

144

M35-39

144

15K→21K

9.3 - 13.1 mi

Top 3%
×1story
+20ft-37ft

Overall

437

Males

399

M35-39

399

21K→25K

13.1 - 15.5 mi

Top 6%
×2story building
+35ft-8ft

Overall

947

Males

809

M35-39

809

25K→30K

15.5 - 18.6 mi

Top 10%
×2story building
+58ft-57ft

Overall

1609

Males

1317

M35-39

1317

30K→35K

18.6 - 21.8 mi

Top 2%
×2story building
+98ft-92ft

Overall

288

Males

266

M35-39

266

35K→40K

21.8 - 24.9 mi

Top 3%
×2story building
+36ft-53ft

Overall

421

Males

370

M35-39

370

40K→Finish

24.9 - 26.2 mi

Top 2%
×5story building
+80ft-24ft

Overall

317

Males

280

M35-39

280

Passing Analysis

Category:
Athletes Passed
52*
Passed By
312
Net Change
-260
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#47
5K → 10K04-4#47#51
10K → 15K122-21#51#72
15K → 21K1*48-47#72#119
21K → 25K072-72#119#191
25K → 30K1121-120#191#311
30K → 35K23*5+18#311#293
35K → 40K16*35-19#293#312
40K → Finish105+5#312#307
TOTALS52*312-260

* 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