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MARINE CORPS MARATHON 2025

Samantha Spitz

Denver, CO

Bib: 16384 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 17%
Gender (Female)
#0 / 12338
Top 10%
Division (F25-29)
#0 / 2322
Top 14%
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
9:17/mi
28:49
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:50/mi
56:15
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:52/mi
1:23:49
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:58/mi
1:57:14
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:37/mi
2:18:39
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:58/mi
2:46:29
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:43/mi
3:13:35
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:33/mi
3:40:10
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:02/mi
3:51:07
↑ 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
1:57:148:59 /mi+2.9%
2nd Half
1:53:538:39 /mi✓ faster
Negative split — 2.9% faster 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 mi08:03:5328:499:1728:49
9:17
-
10K
6.21 mi08:31:1956:159:0327:26
8:50
-0:27
15K
9.32 mi08:58:531:23:499:0027:34
8:52
+0:02
21K
13.05 mi09:32:181:57:148:5933:25
8:58
+0:06
25K
15.53 mi09:53:432:18:398:5621:25
8:37
-0:21
30K
18.64 mi10:21:332:46:298:5627:50
8:58
+0:21
35K
21.75 mi10:48:393:13:358:5427:06
8:43
-0:15
40K
24.85 mi11:15:143:40:108:5126:35
8:33
-0:10
Finish
26.22 mi11:26:113:51:078:4910:57
8:02
-0:31

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

8:02 /mi

Average Pace

8:49 /mi

Slowest Pace

9:17 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:53:29

49% of race

Time at Steady Pace

1:57:38

51% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:49 /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 mi08:03:5328:499:1728:49
9:17
#7189
10K
6.21 mi08:31:1956:159:0327:26
8:50
#7690
15K
9.32 mi08:58:531:23:499:0027:34
8:52
#7813
21K
13.05 mi09:32:181:57:148:5933:25
8:58
#7630
25K
15.53 mi09:53:432:18:398:5621:25
8:37
#7343
30K
18.64 mi10:21:332:46:298:5627:50
8:58
#6849
35K
21.75 mi10:48:393:13:358:5427:06
8:43
#6124
40K
24.85 mi11:15:143:40:108:5126:35
8:33
#5353
Finish
26.22 mi11:26:113:51:078:4910:57
8:02
#4998
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi7189175044982562102548
10K6.21 mi3.10 mi7690-5011896-146479-3082792085528
15K9.32 mi3.11 mi7813-1231945-49494-1582562102548
21K13.05 mi3.73 mi7630+1831896+49490+474481821476
25K15.53 mi2.48 mi7343+2871800+96466+2464211564411
30K18.64 mi3.11 mi6849+4941670+130435+3157871447379
35K21.75 mi3.11 mi6124+7251511+159392+433937958265
40K24.85 mi3.10 mi5353+7711333+178351+412800687192
Finish26.22 mi1.37 mi4998+3551245+88335+161574350102

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×18story building
+279ft-164ft

Overall

8256

Females

2102

F25-29

2102

5K→10K

3.1 - 6.2 mi

Top 28%
×11story building
+103ft-217ft

Overall

8279

Females

2085

F25-29

2085

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+51ft-55ft

Overall

8256

Females

2102

F25-29

2102

15K→21K

9.3 - 13.1 mi

Top 25%
×1story
+20ft-37ft

Overall

7448

Females

1821

F25-29

1821

21K→25K

13.1 - 15.5 mi

Top 21%
×2story building
+35ft-8ft

Overall

6421

Females

1564

F25-29

1564

25K→30K

15.5 - 18.6 mi

Top 19%
×2story building
+58ft-57ft

Overall

5787

Females

1447

F25-29

1447

30K→35K

18.6 - 21.8 mi

Top 13%
×2story building
+98ft-92ft

Overall

3937

Females

958

F25-29

958

35K→40K

21.8 - 24.9 mi

Top 9%
×2story building
+36ft-53ft

Overall

2800

Females

687

F25-29

687

40K→Finish

24.9 - 26.2 mi

Top 5%
×5story building
+80ft-24ft

Overall

1574

Females

350

F25-29

350

Passing Analysis

Category:
Athletes Passed
3356*
Passed By
1165
Net Change
+2191
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7189
5K → 10K123*624-501#7189#7690
10K → 15K152*275-123#7690#7813
15K → 21K335*152+183#7813#7630
21K → 25K322*35+287#7630#7343
25K → 30K550*56+494#7343#6849
30K → 35K733*8+725#6849#6124
35K → 40K786*15+771#6124#5353
40K → Finish355*0+355#5353#4998
TOTALS3356*1165+2191

* 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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Questions or issues regarding timing data?

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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions