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MARINE CORPS MARATHON 2025

Alley Harris

Lakewood, CO

Bib: 19086 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 17%
Gender (Female)
#0 / 12338
Top 11%
Division (F14-19)
#0 / 127
Top 17%
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
9:23/mi
29:10
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:32/mi
55:40
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:34/mi
1:22:16
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:41/mi
1:54:40
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:26/mi
2:15:38
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:48/mi
2:42:59
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:02/mi
3:11:02
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:18/mi
3:39:56
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:11/mi
3:52:28
↑ 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
1:54:408:47 /mi⚡ faster
2nd Half
1:57:478:57 /mi+2.7%
Positive split — 2.7% 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 mi08:01:5829:109:2329:10
9:23
-
10K
6.21 mi08:28:2855:408:5826:30
8:32
-0:51
15K
9.32 mi08:55:041:22:168:5026:36
8:34
+0:02
21K
13.05 mi09:27:281:54:408:4732:24
8:41
+0:07
25K
15.53 mi09:48:262:15:388:4420:58
8:26
-0:15
30K
18.64 mi10:15:472:42:598:4527:21
8:48
+0:22
35K
21.75 mi10:43:503:11:028:4728:03
9:02
+0:14
40K
24.85 mi11:12:443:39:568:5128:54
9:18
+0:16
Finish
26.22 mi11:25:163:52:288:5212:32
9:11
-0:07

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

8:26 /mi

Average Pace

8:52 /mi

Slowest Pace

9:23 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:54:24

75% of race

Time at Steady Pace

58:04

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:52 /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 mi08:01:5829:109:2329:10
9:23
#7905
10K
6.21 mi08:28:2855:408:5826:30
8:32
#7044
15K
9.32 mi08:55:041:22:168:5026:36
8:34
#6704
21K
13.05 mi09:27:281:54:408:4732:24
8:41
#6336
25K
15.53 mi09:48:262:15:388:4420:58
8:26
#6101
30K
18.64 mi10:15:472:42:598:4527:21
8:48
#5760
35K
21.75 mi10:43:503:11:028:4728:03
9:02
#5520
40K
24.85 mi11:12:443:39:568:5128:54
9:18
#5301
Finish
26.22 mi11:25:163:52:288:5212:32
9:11
#5225
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF14-19Seg. OverallSeg. FemalesSeg. F14-19
5K3.11 mi3.11 mi79051991266170141519
10K6.21 mi3.10 mi7044+8611685+30621+56335142819
15K9.32 mi3.11 mi6704+3401575+11019+26170141519
21K13.05 mi3.73 mi6336+3681451+124195757129219
25K15.53 mi2.48 mi6101+2351389+6218+15436125818
30K18.64 mi3.11 mi5760+3411329+60185068121917
35K21.75 mi3.11 mi5520+2401316+1319-15141136218
40K24.85 mi3.10 mi5301+2191311+521-25242157016
Finish26.22 mi1.37 mi5225+761309+2214808145417

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×18story building
+279ft-164ft

Overall

6170

Females

1415

F14-19

1415

5K→10K

3.1 - 6.2 mi

Top 21%
×11story building
+103ft-217ft

Overall

6335

Females

1428

F14-19

1428

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+51ft-55ft

Overall

6170

Females

1415

F14-19

1415

15K→21K

9.3 - 13.1 mi

Top 19%
×1story
+20ft-37ft

Overall

5757

Females

1292

F14-19

1292

21K→25K

13.1 - 15.5 mi

Top 18%
×2story building
+35ft-8ft

Overall

5436

Females

1258

F14-19

1258

25K→30K

15.5 - 18.6 mi

Top 17%
×2story building
+58ft-57ft

Overall

5068

Females

1219

F14-19

1219

30K→35K

18.6 - 21.8 mi

Top 17%
×2story building
+98ft-92ft

Overall

5141

Females

1362

F14-19

1362

35K→40K

21.8 - 24.9 mi

Top 17%
×2story building
+36ft-53ft

Overall

5242

Females

1570

F14-19

1570

40K→Finish

24.9 - 26.2 mi

Top 16%
×5story building
+80ft-24ft

Overall

4808

Females

1454

F14-19

1454

Passing Analysis

Category:
Athletes Passed
3245*
Passed By
565
Net Change
+2680
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7905
5K → 10K938*77+861#7905#7044
10K → 15K401*61+340#7044#6704
15K → 21K426*58+368#6704#6336
21K → 25K27035+235#6336#6101
25K → 30K401*60+341#6101#5760
30K → 35K336*96+240#5760#5520
35K → 40K348*129+219#5520#5301
40K → Finish125*49+76#5301#5225
TOTALS3245*565+2680

* 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