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MARINE CORPS MARATHON 2025

Julia Shealy

Reston, VA

Bib: 2809 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 4%
Gender (Female)
#0 / 12338
Top 2%
Masters (Masters Women)
#0 / 5451
Top 0.7%
Division (F40-44)
#0 / 1527
Top 2%
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
7:54/mi
24:34
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:07/mi
46:40
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:16/mi
1:09:15
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:28/mi
1:37:04
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:13/mi
1:55:00
↑ 350.2%
30 ft elev
30K· 18.64 mi
7:39/mi
2:18:46
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
7:52/mi
2:43:11
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:06/mi
3:08:20
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:20/mi
3:19:42
↑ 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
1:37:047:26 /mi⚡ faster
2nd Half
1:42:387:48 /mi+5.7%
Positive split — 5.7% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:46:0424:347:5424:34
7:54
-
10K
6.21 mi08:08:1046:407:3122:06
7:07
-0:47
15K
9.32 mi08:30:451:09:157:2622:35
7:16
+0:09
21K
13.05 mi08:58:341:37:047:2627:49
7:28
+0:12
25K
15.53 mi09:16:301:55:007:2417:56
7:13
-0:15
30K
18.64 mi09:40:162:18:467:2723:46
7:39
+0:26
35K
21.75 mi10:04:412:43:117:3024:25
7:52
+0:13
40K
24.85 mi10:29:503:08:207:3525:09
8:06
+0:14
Finish
26.22 mi10:41:123:19:427:3711:22
8:20
+0:14

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

7:07 /mi

Average Pace

7:37 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:12

57% of race

Time at Steady Pace

1:25:30

43% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /mi

Loading chart...
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.

Loading...
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 mi07:46:0424:347:5424:34
7:54
#1599
10K
6.21 mi08:08:1046:407:3122:06
7:07
#1428
15K
9.32 mi08:30:451:09:157:2622:35
7:16
#1397
21K
13.05 mi08:58:341:37:047:2627:49
7:28
#1383
25K
15.53 mi09:16:301:55:007:2417:56
7:13
#1350
30K
18.64 mi09:40:162:18:467:2723:46
7:39
#1348
35K
21.75 mi10:04:412:43:117:3024:25
7:52
#1323
40K
24.85 mi10:29:503:08:207:3525:09
8:06
#1312
Finish
26.22 mi10:41:123:19:427:3711:22
8:20
#1338
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi159924822135018619
10K6.21 mi3.10 mi1428+171196+5221+1114313116
15K9.32 mi3.11 mi1397+31191+521135018619
21K13.05 mi3.73 mi1383+14189+220+1136017919
25K15.53 mi2.48 mi1350+33181+819+1127617624
30K18.64 mi3.11 mi1348+2185-420-1151324527
35K21.75 mi3.11 mi1323+25194-923-3156829134
40K24.85 mi3.10 mi1312+11212-1825-2174236341
Finish26.22 mi1.37 mi1338-26223-1126-1224853354

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×18story building
+279ft-164ft

Overall

1350

Females

186

F40-44

186

5K→10K

3.1 - 6.2 mi

Top 4%
×11story building
+103ft-217ft

Overall

1143

Females

131

F40-44

131

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+51ft-55ft

Overall

1350

Females

186

F40-44

186

15K→21K

9.3 - 13.1 mi

Top 5%
×1story
+20ft-37ft

Overall

1360

Females

179

F40-44

179

21K→25K

13.1 - 15.5 mi

Top 4%
×2story building
+35ft-8ft

Overall

1276

Females

176

F40-44

176

25K→30K

15.5 - 18.6 mi

Top 5%
×2story building
+58ft-57ft

Overall

1513

Females

245

F40-44

245

30K→35K

18.6 - 21.8 mi

Top 5%
×2story building
+98ft-92ft

Overall

1568

Females

291

F40-44

291

35K→40K

21.8 - 24.9 mi

Top 6%
×2story building
+36ft-53ft

Overall

1742

Females

363

F40-44

363

40K→Finish

24.9 - 26.2 mi

Top 7%
×5story building
+80ft-24ft

Overall

2248

Females

533

F40-44

533

Passing Analysis

Category:
Athletes Passed
554*
Passed By
293
Net Change
+261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1599
5K → 10K190*19+171#1599#1428
10K → 15K6635+31#1428#1397
15K → 21K50*36+14#1397#1383
21K → 25K4512+33#1383#1350
25K → 30K43*41+2#1350#1348
30K → 35K7247+25#1348#1323
35K → 40K6453+11#1323#1312
40K → Finish24*50-26#1312#1338
TOTALS554*293+261

* 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

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Timing Productions