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MARINE CORPS MARATHON 2025

Emily Kolbasiuk

Ann Arbor, MI

Bib: 14534 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F25-29)
#0 / 2322
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
11:14/mi
34:55
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:20/mi
1:07:00
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:37/mi
1:40:00
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
13:22/mi
2:29:51
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
11:09/mi
2:57:35
↑ 350.2%
30 ft elev
30K· 18.64 mi
12:16/mi
3:35:41
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:09/mi
4:16:32
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:57/mi
4:59:51
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
14:31/mi
5:19:39
↑ 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
2:29:5111:29 /mi⚡ faster
2nd Half
2:49:4812:54 /mi+13.3%
Positive split — 13.3% 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 mi08:17:1534:5511:1434:55
11:14
-
10K
6.21 mi08:49:201:07:0010:4732:05
10:20
-0:54
15K
9.32 mi09:22:201:40:0010:4433:00
10:37
+0:17
21K
13.05 mi10:12:112:29:5111:2949:51
13:22
+2:45
25K
15.53 mi10:39:552:57:3511:2627:44
11:09
-2:13
30K
18.64 mi11:18:013:35:4111:3438:06
12:16
+1:07
35K
21.75 mi11:58:524:16:3211:4840:51
13:09
+0:53
40K
24.85 mi12:42:114:59:5112:0443:19
13:57
+0:48
Finish
26.22 mi13:01:595:19:3912:1219:48
14:31
+0:34

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

10:20 /mi

Average Pace

12:12 /mi

Slowest Pace

14:31 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:07:44

40% of race

Time at Steady Pace

38:06

12% of race

Time at Slower Pace

2:33:49

48% of race

Average Pace: 12:11 /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 mi08:17:1534:5511:1434:55
11:14
#19652
10K
6.21 mi08:49:201:07:0010:4732:05
10:20
#18778
15K
9.32 mi09:22:201:40:0010:4433:00
10:37
#18618
21K
13.05 mi10:12:112:29:5111:2949:51
13:22
#22026
25K
15.53 mi10:39:552:57:3511:2627:44
11:09
#21213
30K
18.64 mi11:18:013:35:4111:3438:06
12:16
#20762
35K
21.75 mi11:58:524:16:3211:4840:51
13:09
#20735
40K
24.85 mi12:42:114:59:5112:0443:19
13:57
#20748
Finish
26.22 mi13:01:595:19:3912:1219:48
14:31
#20912
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi19652687115611860163511474
10K6.21 mi3.10 mi18778+8746445+4261488+731796460241386
15K9.32 mi3.11 mi18618+1606338+1071460+281860163511474
21K13.05 mi3.73 mi22026-34087995-16571783-32326368103202118
25K15.53 mi2.48 mi21213+8137680+3151731+521872467591559
30K18.64 mi3.11 mi20762+4517568+1121710+211938772351642
35K21.75 mi3.11 mi20735+277644-761727-172036580781764
40K24.85 mi3.10 mi20748-137744-1001747-202121485711842
Finish26.22 mi1.37 mi20912-1647859-1151762-152340195152005

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×18story building
+279ft-164ft

Overall

18601

Females

6351

F25-29

6351

5K→10K

3.1 - 6.2 mi

Top 60%
×11story building
+103ft-217ft

Overall

17964

Females

6024

F25-29

6024

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+51ft-55ft

Overall

18601

Females

6351

F25-29

6351

15K→21K

9.3 - 13.1 mi

Top 88%
×1story
+20ft-37ft

Overall

26368

Females

10320

F25-29

10320

21K→25K

13.1 - 15.5 mi

Top 62%
×2story building
+35ft-8ft

Overall

18724

Females

6759

F25-29

6759

25K→30K

15.5 - 18.6 mi

Top 65%
×2story building
+58ft-57ft

Overall

19387

Females

7235

F25-29

7235

30K→35K

18.6 - 21.8 mi

Top 68%
×2story building
+98ft-92ft

Overall

20365

Females

8078

F25-29

8078

35K→40K

21.8 - 24.9 mi

Top 71%
×2story building
+36ft-53ft

Overall

21214

Females

8571

F25-29

8571

40K→Finish

24.9 - 26.2 mi

Top 78%
×5story building
+80ft-24ft

Overall

23401

Females

9515

F25-29

9515

Passing Analysis

Category:
Athletes Passed
3727*
Passed By
4987
Net Change
-1260
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19652
5K → 10K1054*180+874#19652#18778
10K → 15K456*296+160#18778#18618
15K → 21K62*3470-3408#18618#22026
21K → 25K851*38+813#22026#21213
25K → 30K599*148+451#21213#20762
30K → 35K337*310+27#20762#20735
35K → 40K294*307-13#20735#20748
40K → Finish74*238-164#20748#20912
TOTALS3727*4987-1260

* 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