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MARINE CORPS MARATHON 2025

Amber Guzzo

Washington, DC

Bib: 14342 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 35%
Gender (Female)
#0 / 12338
Top 26%
Division (F25-29)
#0 / 2322
Top 36%
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
10:02/mi
31:09
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:26/mi
1:00:26
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:22/mi
1:29:32
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:25/mi
2:04:38
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:42/mi
2:28:44
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:10/mi
3:00:18
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:13/mi
3:32:04
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:47/mi
4:05:33
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:20/mi
4:19:38
↑ 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
2:04:389:33 /mi⚡ faster
2nd Half
2:14:5910:15 /mi+8.3%
Positive split — 8.3% 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 mi08:10:4131:0910:0231:09
10:02
-
10K
6.21 mi08:39:581:00:269:4429:17
9:26
-0:36
15K
9.32 mi09:09:041:29:329:3629:06
9:22
-0:04
21K
13.05 mi09:44:102:04:389:3335:06
9:25
+0:03
25K
15.53 mi10:08:162:28:449:3424:06
9:42
+0:17
30K
18.64 mi10:39:503:00:189:4031:34
10:10
+0:28
35K
21.75 mi11:11:363:32:049:4531:46
10:13
+0:03
40K
24.85 mi11:45:054:05:339:5333:29
10:47
+0:34
Finish
26.22 mi11:59:104:19:389:5514:05
10:20
-0:27

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

9:22 /mi

Average Pace

9:55 /mi

Slowest Pace

10:47 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:32:04

82% of race

Time at Steady Pace

47:34

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:54 /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 mi08:10:4131:0910:0231:09
10:02
#11778
10K
6.21 mi08:39:581:00:269:4429:17
9:26
#11898
15K
9.32 mi09:09:041:29:329:3629:06
9:22
#11620
21K
13.05 mi09:44:102:04:389:3335:06
9:25
#11078
25K
15.53 mi10:08:162:28:449:3424:06
9:42
#11136
30K
18.64 mi10:39:503:00:189:4031:34
10:10
#11023
35K
21.75 mi11:11:363:32:049:4531:46
10:13
#10636
40K
24.85 mi11:45:054:05:339:5333:29
10:47
#10470
Finish
26.22 mi11:59:104:19:389:5514:05
10:20
#10341
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi117783402849111883166808
10K6.21 mi3.10 mi11898-1203429-27854-5121513513872
15K9.32 mi3.11 mi11620+2783322+107835+19111883166808
21K13.05 mi3.73 mi11078+5423112+210798+37102002794730
25K15.53 mi2.48 mi11136-583160-48806-8121063726960
30K18.64 mi3.11 mi11023+1133189-29823-17112163541887
35K21.75 mi3.11 mi10636+3873158+31818+599763321853
40K24.85 mi3.10 mi10470+1663222-64831-13106683888962
Finish26.22 mi1.37 mi10341+1293208+14833-292283333883

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×18story building
+279ft-164ft

Overall

11188

Females

3166

F25-29

3166

5K→10K

3.1 - 6.2 mi

Top 40%
×11story building
+103ft-217ft

Overall

12151

Females

3513

F25-29

3513

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+51ft-55ft

Overall

11188

Females

3166

F25-29

3166

15K→21K

9.3 - 13.1 mi

Top 34%
×1story
+20ft-37ft

Overall

10200

Females

2794

F25-29

2794

21K→25K

13.1 - 15.5 mi

Top 40%
×2story building
+35ft-8ft

Overall

12106

Females

3726

F25-29

3726

25K→30K

15.5 - 18.6 mi

Top 37%
×2story building
+58ft-57ft

Overall

11216

Females

3541

F25-29

3541

30K→35K

18.6 - 21.8 mi

Top 33%
×2story building
+98ft-92ft

Overall

9976

Females

3321

F25-29

3321

35K→40K

21.8 - 24.9 mi

Top 36%
×2story building
+36ft-53ft

Overall

10668

Females

3888

F25-29

3888

40K→Finish

24.9 - 26.2 mi

Top 31%
×5story building
+80ft-24ft

Overall

9228

Females

3333

F25-29

3333

Passing Analysis

Category:
Athletes Passed
3070*
Passed By
1633
Net Change
+1437
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11778
5K → 10K306*426-120#11778#11898
10K → 15K416*138+278#11898#11620
15K → 21K609*67+542#11620#11078
21K → 25K227*285-58#11078#11136
25K → 30K355*242+113#11136#11023
30K → 35K553*166+387#11023#10636
35K → 40K408*242+166#10636#10470
40K → Finish196*67+129#10470#10341
TOTALS3070*1633+1437

* 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