Marine Corps Marathon logo
MARINE CORPS MARATHON 2024

Bo Prock

Redondo Beach, CA

Bib: 8703 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 15907
Top 27%
Gender (Male)
#0 / 9934
Top 33%
Division (M25-29)
#0 / 1724
Top 40%
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
9:08/mi
28:22
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:44/mi
55:31
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:56/mi
1:23:16
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:17/mi
1:57:54
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:03/mi
2:20:23
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:24/mi
2:49:35
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:45/mi
3:16:46
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:40/mi
3:46:47
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:08/mi
3:59:14
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time1:57:54
Pace9:02 /mi
2nd Half
Distance13.17 mi
Time2:01:19
Pace9:13 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:29:0828:229:0828:22
9:08
-
10K
6.21 mi08:56:1755:318:5627:09
8:44
-0:24
15K
9.32 mi09:24:021:23:168:5627:45
8:56
+0:12
21K
13.05 mi09:58:401:57:549:0234:38
9:17
+0:21
25K
15.53 mi10:21:092:20:239:0222:29
9:03
-0:14
30K
18.64 mi10:50:212:49:359:0629:12
9:24
+0:21
35K
21.75 mi11:17:323:16:469:0327:11
8:45
-0:39
40K
24.85 mi11:47:333:46:479:0730:01
9:40
+0:55
Finish
26.22 mi12:00:003:59:149:0812:27
9:08
-0:32

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

8:44 /mi

Average Pace

9:08 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:13

87% of race

Time at Steady Pace

30:01

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:07 /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 mi08:29:0828:229:0828:22
9:08
#4563
10K
6.21 mi08:56:1755:318:5627:09
8:44
#4711
15K
9.32 mi09:24:021:23:168:5627:45
8:56
#4773
21K
13.05 mi09:58:401:57:549:0234:38
9:17
#5039
25K
15.53 mi10:21:092:20:239:0222:29
9:03
#5094
30K
18.64 mi10:50:212:49:359:0629:12
9:24
#4991
35K
21.75 mi11:17:323:16:469:0327:11
8:45
#4445
40K
24.85 mi11:47:333:46:479:0730:01
9:40
#4345
Finish
26.22 mi12:00:003:59:149:0812:27
9:08
#4265
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
5K3.11 mi3.11 mi4563355275949723843815
10K6.21 mi3.10 mi4711-1483662-110775-1649453846796
15K9.32 mi3.11 mi4773-623716-54784-949723843815
21K13.05 mi3.73 mi5039-2663878-162825-4158884441922
25K15.53 mi2.48 mi5094-553899-21819+656534197875
30K18.64 mi3.11 mi4991+1033800+99803+1648633615765
35K21.75 mi3.11 mi4445+5463387+413723+8028472147475
40K24.85 mi3.10 mi4345+1003264+123692+3141062883607
Finish26.22 mi1.37 mi4265+803199+65683+931532246508

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×18story building
+279ft-164ft

Overall

4972

Males

3843

M25-29

3843

5K→10K

3.1 - 6.2 mi

Top 31%
×11story building
+103ft-217ft

Overall

4945

Males

3846

M25-29

3846

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+51ft-55ft

Overall

4972

Males

3843

M25-29

3843

15K→21K

9.3 - 13.1 mi

Top 37%
×1story
+20ft-37ft

Overall

5888

Males

4441

M25-29

4441

21K→25K

13.1 - 15.5 mi

Top 36%
×2story building
+35ft-8ft

Overall

5653

Males

4197

M25-29

4197

25K→30K

15.5 - 18.6 mi

Top 31%
×2story building
+58ft-57ft

Overall

4863

Males

3615

M25-29

3615

30K→35K

18.6 - 21.8 mi

Top 18%
×2story building
+98ft-92ft

Overall

2847

Males

2147

M25-29

2147

35K→40K

21.8 - 24.9 mi

Top 26%
×2story building
+36ft-53ft

Overall

4106

Males

2883

M25-29

2883

40K→Finish

24.9 - 26.2 mi

Top 20%
×5story building
+80ft-24ft

Overall

3153

Males

2246

M25-29

2246

Passing Analysis

Category:
Athletes Passed
1483*
Passed By
1185
Net Change
+298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4563
5K → 10K109*257-148#4563#4711
10K → 15K101*163-62#4711#4773
15K → 21K76*342-266#4773#5039
21K → 25K118*173-55#5039#5094
25K → 30K206*103+103#5094#4991
30K → 35K553*7+546#4991#4445
35K → 40K218*118+100#4445#4345
40K → Finish102*22+80#4345#4265
TOTALS1483*1185+298

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

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions