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MARINE CORPS MARATHON 2025

Sydney Dalin

Washington, DC

Bib: 16059 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 18%
Gender (Female)
#0 / 12338
Top 11%
Division (F25-29)
#0 / 2322
Top 16%
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
9:29/mi
29:29
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:43/mi
56:34
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:44/mi
1:23:42
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:37/mi
1:55:49
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:37/mi
2:17:14
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:07/mi
2:45:35
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:08/mi
3:13:57
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:00/mi
3:41:55
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:01/mi
3:54:13
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

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Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time1:55:49
Pace8:53 /mi
2nd Half
Distance13.17 mi
Time1:58:23
Pace8:59 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:08:3029:299:2929:29
9:29
-
10K
6.21 mi08:35:3556:349:0627:05
8:43
-0:46
15K
9.32 mi09:02:431:23:428:5927:08
8:44
+0:01
21K
13.05 mi09:34:501:55:498:5332:07
8:37
-0:07
25K
15.53 mi09:56:152:17:148:5021:25
8:37
0:00
30K
18.64 mi10:24:362:45:358:5328:21
9:07
+0:30
35K
21.75 mi10:52:583:13:578:5528:22
9:08
+0:01
40K
24.85 mi11:20:563:41:558:5627:58
9:00
-0:08
Finish
26.22 mi11:33:143:54:138:5612:18
9:01
+0:01

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

8:37 /mi

Average Pace

8:56 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:44

87% of race

Time at Steady Pace

29:29

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:56 /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 mi08:08:3029:299:2929:29
9:29
#8559
10K
6.21 mi08:35:3556:349:0627:05
8:43
#8050
15K
9.32 mi09:02:431:23:428:5927:08
8:44
#7720
21K
13.05 mi09:34:501:55:498:5332:07
8:37
#6889
25K
15.53 mi09:56:152:17:148:5021:25
8:37
#6722
30K
18.64 mi10:24:362:45:358:5328:21
9:07
#6547
35K
21.75 mi10:52:583:13:578:5528:22
9:08
#6227
40K
24.85 mi11:20:563:41:558:5627:58
9:00
#5707
Finish
26.22 mi11:33:143:54:138:5612:18
9:01
#5547
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi8559221256372521772452
10K6.21 mi3.10 mi8050+5092024+188506+5775081824460
15K9.32 mi3.11 mi7720+3301902+122485+2172521772452
21K13.05 mi3.73 mi6889+8311638+264422+6353511167305
25K15.53 mi2.48 mi6722+1671598+40411+1164021553408
30K18.64 mi3.11 mi6547+1751580+18410+165931711458
35K21.75 mi3.11 mi6227+3201540+40404+655871528413
40K24.85 mi3.10 mi5707+5201451+89387+1741281134301
Finish26.22 mi1.37 mi5547+1601416+35376+1142581237359

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×18story building
+279ft-164ft

Overall

7252

Females

1772

F25-29

1772

5K→10K

3.1 - 6.2 mi

Top 25%
×11story building
+103ft-217ft

Overall

7508

Females

1824

F25-29

1824

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+51ft-55ft

Overall

7252

Females

1772

F25-29

1772

15K→21K

9.3 - 13.1 mi

Top 18%
×1story
+20ft-37ft

Overall

5351

Females

1167

F25-29

1167

21K→25K

13.1 - 15.5 mi

Top 21%
×2story building
+35ft-8ft

Overall

6402

Females

1553

F25-29

1553

25K→30K

15.5 - 18.6 mi

Top 22%
×2story building
+58ft-57ft

Overall

6593

Females

1711

F25-29

1711

30K→35K

18.6 - 21.8 mi

Top 19%
×2story building
+98ft-92ft

Overall

5587

Females

1528

F25-29

1528

35K→40K

21.8 - 24.9 mi

Top 14%
×2story building
+36ft-53ft

Overall

4128

Females

1134

F25-29

1134

40K→Finish

24.9 - 26.2 mi

Top 14%
×5story building
+80ft-24ft

Overall

4258

Females

1237

F25-29

1237

Passing Analysis

Category:
Athletes Passed
3647*
Passed By
635
Net Change
+3012
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8559
5K → 10K628*119+509#8559#8050
10K → 15K413*83+330#8050#7720
15K → 21K844*13+831#7720#6889
21K → 25K26396+167#6889#6722
25K → 30K326*151+175#6722#6547
30K → 35K425*105+320#6547#6227
35K → 40K561*41+520#6227#5707
40K → Finish187*27+160#5707#5547
TOTALS3647*635+3012

* 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