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MARINE CORPS MARATHON 2025

Shannon Blackstone

Nokesville, VA

Bib: 10259 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 46%
Gender (Female)
#0 / 12338
Top 38%
Division (F25-29)
#0 / 2322
Top 50%
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
9:57/mi
30:56
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:11/mi
1:02:35
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:18/mi
1:31:29
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:01/mi
2:12:35
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:25/mi
2:36:00
↑ 350.2%
30 ft elev
30K· 18.64 mi
12:17/mi
3:14:10
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:30/mi
3:49:54
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:53/mi
4:23:42
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:05/mi
4:37:27
↑ 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
2:12:3510:10 /mi⚡ faster
2nd Half
2:24:5211:00 /mi+9.3%
Positive split — 9.3% 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 mi08:20:0930:569:5730:56
9:57
-
10K
6.21 mi08:51:481:02:3510:0431:39
10:11
+0:14
15K
9.32 mi09:20:421:31:299:4928:54
9:18
-0:53
21K
13.05 mi10:01:482:12:3510:1041:06
11:01
+1:43
25K
15.53 mi10:25:132:36:0010:0323:25
9:25
-1:36
30K
18.64 mi11:03:233:14:1010:2538:10
12:17
+2:52
35K
21.75 mi11:39:073:49:5410:3435:44
11:30
-0:47
40K
24.85 mi12:12:554:23:4210:3733:48
10:53
-0:37
Finish
26.22 mi12:26:404:37:2710:3513:45
10:05
-0:48

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

9:18 /mi

Average Pace

10:35 /mi

Slowest Pace

12:17 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

52:19

19% of race

Time at Steady Pace

1:16:20

28% of race

Time at Slower Pace

2:28:48

54% of race

Average Pace: 10:35 /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 mi08:20:0930:569:5730:56
9:57
#11364
10K
6.21 mi08:51:481:02:3510:0431:39
10:11
#14055
15K
9.32 mi09:20:421:31:299:4928:54
9:18
#12814
21K
13.05 mi10:01:482:12:3510:1041:06
11:01
#14533
25K
15.53 mi10:25:132:36:0010:0323:25
9:25
#13732
30K
18.64 mi11:03:233:14:1010:2538:10
12:17
#14931
35K
21.75 mi11:39:073:49:5410:3435:44
11:30
#14813
40K
24.85 mi12:12:554:23:4210:3733:48
10:53
#14156
Finish
26.22 mi12:26:404:37:2710:3513:45
10:05
#13715
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi113643242813108303019772
10K6.21 mi3.10 mi14055-26914316-10741053-2401698555621299
15K9.32 mi3.11 mi12814+12413821+495948+105108303019772
21K13.05 mi3.73 mi14533-17194549-7281121-1731849764001478
25K15.53 mi2.48 mi13732+8014274+2751072+49107783157833
30K18.64 mi3.11 mi14931-11994858-5841197-1251946472661647
35K21.75 mi3.11 mi14813+1184921-631209-121494555791339
40K24.85 mi3.10 mi14156+6574777+1441179+301108740831004
Finish26.22 mi1.37 mi13715+4414629+1481149+3082882915783

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×18story building
+279ft-164ft

Overall

10830

Females

3019

F25-29

3019

5K→10K

3.1 - 6.2 mi

Top 57%
×11story building
+103ft-217ft

Overall

16985

Females

5562

F25-29

5562

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+51ft-55ft

Overall

10830

Females

3019

F25-29

3019

15K→21K

9.3 - 13.1 mi

Top 62%
×1story
+20ft-37ft

Overall

18497

Females

6400

F25-29

6400

21K→25K

13.1 - 15.5 mi

Top 36%
×2story building
+35ft-8ft

Overall

10778

Females

3157

F25-29

3157

25K→30K

15.5 - 18.6 mi

Top 65%
×2story building
+58ft-57ft

Overall

19464

Females

7266

F25-29

7266

30K→35K

18.6 - 21.8 mi

Top 50%
×2story building
+98ft-92ft

Overall

14945

Females

5579

F25-29

5579

35K→40K

21.8 - 24.9 mi

Top 37%
×2story building
+36ft-53ft

Overall

11087

Females

4083

F25-29

4083

40K→Finish

24.9 - 26.2 mi

Top 28%
×5story building
+80ft-24ft

Overall

8288

Females

2915

F25-29

2915

Passing Analysis

Category:
Athletes Passed
3902*
Passed By
6253
Net Change
-2351
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11364
5K → 10K23*2714-2691#11364#14055
10K → 15K1249*8+1241#14055#12814
15K → 21K71*1790-1719#12814#14533
21K → 25K816*15+801#14533#13732
25K → 30K105*1304-1199#13732#14931
30K → 35K457*339+118#14931#14813
35K → 40K734*77+657#14813#14156
40K → Finish447*6+441#14156#13715
TOTALS3902*6253-2351

* 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