Marine Corps Marathon logo
MARINE CORPS MARATHON 2024

Caitlyn Shafner

Denver, CO

Bib: 3571 F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 15907
Top 34%
Gender (Female)
#0 / 5973
Top 25%
Division (F30-34)
#0 / 812
Top 22%
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
9:05/mi
28:14
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:42/mi
55:17
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:06/mi
1:23:32
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:20/mi
1:58:21
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:52/mi
2:20:24
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:01/mi
2:51:32
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:19/mi
3:23:35
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:34/mi
3:56:26
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:38/mi
4:09:34
↑ 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
1:58:219:04 /mi⚡ faster
2nd Half
2:11:129:58 /mi+10.9%
Positive split — 10.9% slower in the second half
Is this your race?

Claim it for a free AI report

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

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:25:0228:149:0528:14
9:05
-
10K
6.21 mi08:52:0555:178:5427:03
8:42
-0:23
15K
9.32 mi09:20:201:23:328:5828:15
9:06
+0:24
21K
13.05 mi09:55:091:58:219:0434:49
9:20
+0:14
25K
15.53 mi10:17:122:20:249:0222:03
8:52
-0:28
30K
18.64 mi10:48:202:51:329:1231:08
10:01
+1:09
35K
21.75 mi11:20:233:23:359:2232:03
10:19
+0:18
40K
24.85 mi11:53:143:56:269:3132:51
10:34
+0:15
Finish
26.22 mi12:06:224:09:349:3213:08
9:38
-0:56

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

8:42 /mi

Average Pace

9:32 /mi

Slowest Pace

10:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:06

20% of race

Time at Steady Pace

1:44:26

42% of race

Time at Slower Pace

1:36:02

38% of race

Average Pace: 9:31 /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 mi08:25:0228:149:0528:14
9:05
#4382
10K
6.21 mi08:52:0555:178:5427:03
8:42
#4579
15K
9.32 mi09:20:201:23:328:5828:15
9:06
#4878
21K
13.05 mi09:55:091:58:219:0434:49
9:20
#5174
25K
15.53 mi10:17:122:20:249:0222:03
8:52
#5099
30K
18.64 mi10:48:202:51:329:1231:08
10:01
#5370
35K
21.75 mi11:20:233:23:359:2232:03
10:19
#5494
40K
24.85 mi11:53:143:56:269:3132:51
10:34
#5449
Finish
26.22 mi12:06:224:09:349:3213:08
9:38
#5329
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi438296212955701315163
10K6.21 mi3.10 mi4579-1971005-43127+248001063132
15K9.32 mi3.11 mi4878-2991096-91138-1155701315163
21K13.05 mi3.73 mi5174-2961201-105149-1160751509181
25K15.53 mi2.48 mi5099+751196+5146+350431243145
30K18.64 mi3.11 mi5370-2711320-124158-1264001814231
35K21.75 mi3.11 mi5494-1241425-105168-1065352066274
40K24.85 mi3.10 mi5449+451474-49178-1060612015277
Finish26.22 mi1.37 mi5329+1201456+1817842921321169

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×18story building
+279ft-164ft

Overall

5570

Females

1315

F30-34

1315

5K→10K

3.1 - 6.2 mi

Top 30%
×11story building
+103ft-217ft

Overall

4800

Females

1063

F30-34

1063

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+51ft-55ft

Overall

5570

Females

1315

F30-34

1315

15K→21K

9.3 - 13.1 mi

Top 38%
×1story
+20ft-37ft

Overall

6075

Females

1509

F30-34

1509

21K→25K

13.1 - 15.5 mi

Top 32%
×2story building
+35ft-8ft

Overall

5043

Females

1243

F30-34

1243

25K→30K

15.5 - 18.6 mi

Top 40%
×2story building
+58ft-57ft

Overall

6400

Females

1814

F30-34

1814

30K→35K

18.6 - 21.8 mi

Top 41%
×2story building
+98ft-92ft

Overall

6535

Females

2066

F30-34

2066

35K→40K

21.8 - 24.9 mi

Top 38%
×2story building
+36ft-53ft

Overall

6061

Females

2015

F30-34

2015

40K→Finish

24.9 - 26.2 mi

Top 27%
×5story building
+80ft-24ft

Overall

4292

Females

1321

F30-34

1321

Passing Analysis

Category:
Athletes Passed
987*
Passed By
1934
Net Change
-947
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4382
5K → 10K88*285-197#4382#4579
10K → 15K48*347-299#4579#4878
15K → 21K75*371-296#4878#5174
21K → 25K173*98+75#5174#5099
25K → 30K104*375-271#5099#5370
30K → 35K170*294-124#5370#5494
35K → 40K195*150+45#5494#5449
40K → Finish134*14+120#5449#5329
TOTALS987*1934-947

* 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