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MARINE CORPS MARATHON 2025

Christina Zielinski

Millersville, MD

Bib: 925 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 28%
Gender (Female)
#0 / 12338
Top 19%
Division (F20-24)
#0 / 1404
Top 31%
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
10:18/mi
31:59
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:28/mi
1:01:25
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:10/mi
1:29:55
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:09/mi
2:04:00
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:57/mi
2:26:14
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:27/mi
2:55:37
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:40/mi
3:25:40
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:52/mi
3:56:20
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:28/mi
4:09:15
↑ 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
Time2:04:00
Pace9:30 /mi
2nd Half
Distance13.17 mi
Time2:05:15
Pace9:31 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:14:2131:5910:1831:59
10:18
-
10K
6.21 mi08:43:471:01:259:5329:26
9:28
-0:50
15K
9.32 mi09:12:171:29:559:3928:30
9:10
-0:18
21K
13.05 mi09:46:222:04:009:3034:05
9:09
-0:01
25K
15.53 mi10:08:362:26:149:2522:14
8:57
-0:12
30K
18.64 mi10:37:592:55:379:2529:23
9:27
+0:30
35K
21.75 mi11:08:023:25:409:2730:03
9:40
+0:13
40K
24.85 mi11:38:423:56:209:3130:40
9:52
+0:12
Finish
26.22 mi11:51:374:09:159:3112:55
9:28
-0:24

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

8:57 /mi

Average Pace

9:31 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:36

75% of race

Time at Steady Pace

1:02:39

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:30 /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 mi08:14:2131:5910:1831:59
10:18
#13502
10K
6.21 mi08:43:471:01:259:5329:26
9:28
#12897
15K
9.32 mi09:12:171:29:559:3928:30
9:10
#11880
21K
13.05 mi09:46:222:04:009:3034:05
9:09
#10836
25K
15.53 mi10:08:362:26:149:2522:14
8:57
#10319
30K
18.64 mi10:37:592:55:379:2529:23
9:27
#9781
35K
21.75 mi11:08:023:25:409:2730:03
9:40
#9231
40K
24.85 mi11:38:423:56:209:3130:40
9:52
#8663
Finish
26.22 mi11:51:374:09:159:3112:55
9:28
#8369
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi13502410266610185(Top 34%)2758(Top 22%)491(Top 35%)
10K6.21 mi3.10 mi12897+6053828+274635+3112436(Top 41%)3627(Top 29%)601(Top 43%)
15K9.32 mi3.11 mi11880+10173437+391579+5610185(Top 34%)2758(Top 22%)491(Top 35%)
21K13.05 mi3.73 mi10836+10443020+417524+558625(Top 29%)2251(Top 18%)428(Top 31%)
25K15.53 mi2.48 mi10319+5172859+161507+178567(Top 29%)2289(Top 19%)416(Top 30%)
30K18.64 mi3.11 mi9781+5382701+158485+228293(Top 28%)2327(Top 19%)427(Top 30%)
35K21.75 mi3.11 mi9231+5502589+112461+247849(Top 26%)2382(Top 19%)440(Top 31%)
40K24.85 mi3.10 mi8663+5682477+112440+217296(Top 24%)2404(Top 19%)443(Top 32%)
Finish26.22 mi1.37 mi8369+2942403+74429+115854(Top 19%)1885(Top 15%)392(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×18story building
+279ft-164ft

Overall

10185

Females

2758

F20-24

2758

5K→10K

3.1 - 6.2 mi

Top 41%
×11story building
+103ft-217ft

Overall

12436

Females

3627

F20-24

3627

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+51ft-55ft

Overall

10185

Females

2758

F20-24

2758

15K→21K

9.3 - 13.1 mi

Top 29%
×1story
+20ft-37ft

Overall

8625

Females

2251

F20-24

2251

21K→25K

13.1 - 15.5 mi

Top 29%
×2story building
+35ft-8ft

Overall

8567

Females

2289

F20-24

2289

25K→30K

15.5 - 18.6 mi

Top 28%
×2story building
+58ft-57ft

Overall

8293

Females

2327

F20-24

2327

30K→35K

18.6 - 21.8 mi

Top 26%
×2story building
+98ft-92ft

Overall

7849

Females

2382

F20-24

2382

35K→40K

21.8 - 24.9 mi

Top 24%
×2story building
+36ft-53ft

Overall

7296

Females

2404

F20-24

2404

40K→Finish

24.9 - 26.2 mi

Top 19%
×5story building
+80ft-24ft

Overall

5854

Females

1885

F20-24

1885

Passing Analysis

Category:
Athletes Passed
5548*
Passed By
415
Net Change
+5133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13502
5K → 10K770*165+605#13502#12897
10K → 15K1026*9+1017#12897#11880
15K → 21K1059*15+1044#11880#10836
21K → 25K540*23+517#10836#10319
25K → 30K590*52+538#10319#9781
30K → 35K624*74+550#9781#9231
35K → 40K627*59+568#9231#8663
40K → Finish312*18+294#8663#8369
TOTALS5548*415+5133

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

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