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MARINE CORPS MARATHON 2025

Cailin Sereno

Waukesha, WI

Bib: 31035 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F20-24)
#0 / 1404
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
10:55/mi
33:56
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:09/mi
1:05:28
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:15/mi
1:37:19
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
12:33/mi
2:24:08
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
14:20/mi
2:59:45
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:05/mi
3:34:12
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
12:40/mi
4:13:33
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:29/mi
4:55:27
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:14/mi
5:10:46
↑ 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
2:24:0811:03 /mi⚡ faster
2nd Half
2:46:3712:39 /mi+15.6%
Positive split — 15.6% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:20:3633:5610:5533:56
10:55
-
10K
6.21 mi08:52:081:05:2810:3231:32
10:09
-0:46
15K
9.32 mi09:23:591:37:1910:2631:51
10:15
+0:06
21K
13.05 mi10:10:482:24:0811:0346:49
12:33
+2:18
25K
15.53 mi10:46:252:59:4511:3435:37
14:20
+1:47
30K
18.64 mi11:20:523:34:1211:2934:27
11:05
-3:15
35K
21.75 mi12:00:134:13:3311:4039:21
12:40
+1:35
40K
24.85 mi12:42:074:55:2711:5341:54
13:29
+0:49
Finish
26.22 mi12:57:265:10:4611:5215:19
11:14
-2:15

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

10:09 /mi

Average Pace

11:52 /mi

Slowest Pace

14:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:23

20% of race

Time at Steady Pace

1:23:42

27% of race

Time at Slower Pace

2:43:41

53% of race

Average Pace: 11:51 /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 mi08:20:3633:5610:5533:56
10:55
#17632
10K
6.21 mi08:52:081:05:2810:3231:32
10:09
#17149
15K
9.32 mi09:23:591:37:1910:2631:51
10:15
#16718
21K
13.05 mi10:10:482:24:0811:0346:49
12:33
#19679
25K
15.53 mi10:46:252:59:4511:3435:37
14:20
#21890
30K
18.64 mi11:20:523:34:1211:2934:27
11:05
#20405
35K
21.75 mi12:00:134:13:3311:4039:21
12:40
#20162
40K
24.85 mi12:42:074:55:2711:5341:54
13:29
#20077
Finish
26.22 mi12:57:265:10:4611:5215:19
11:14
#19640
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi176325900922162695300841
10K6.21 mi3.10 mi17149+4835662+238884+38167195446845
15K9.32 mi3.11 mi16718+4315449+213866+18162695300841
21K13.05 mi3.73 mi19679-29616869-14201030-1642412291331222
25K15.53 mi2.48 mi21890-22117997-11281141-11127581111831340
30K18.64 mi3.11 mi20405+14857396+6011094+47151125280853
35K21.75 mi3.11 mi20162+2437383+131086+81887973811071
40K24.85 mi3.10 mi20077+857437-541087-11982179421117
Finish26.22 mi1.37 mi19640+4377307+1301083+4128394913835

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×18story building
+279ft-164ft

Overall

16269

Females

5300

F20-24

5300

5K→10K

3.1 - 6.2 mi

Top 56%
×11story building
+103ft-217ft

Overall

16719

Females

5446

F20-24

5446

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+51ft-55ft

Overall

16269

Females

5300

F20-24

5300

15K→21K

9.3 - 13.1 mi

Top 80%
×1story
+20ft-37ft

Overall

24122

Females

9133

F20-24

9133

21K→25K

13.1 - 15.5 mi

Top 92%
×2story building
+35ft-8ft

Overall

27581

Females

11183

F20-24

11183

25K→30K

15.5 - 18.6 mi

Top 50%
×2story building
+58ft-57ft

Overall

15112

Females

5280

F20-24

5280

30K→35K

18.6 - 21.8 mi

Top 63%
×2story building
+98ft-92ft

Overall

18879

Females

7381

F20-24

7381

35K→40K

21.8 - 24.9 mi

Top 66%
×2story building
+36ft-53ft

Overall

19821

Females

7942

F20-24

7942

40K→Finish

24.9 - 26.2 mi

Top 43%
×5story building
+80ft-24ft

Overall

12839

Females

4913

F20-24

4913

Passing Analysis

Category:
Athletes Passed
4175*
Passed By
6183
Net Change
-2008
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17632
5K → 10K695*212+483#17632#17149
10K → 15K592*161+431#17149#16718
15K → 21K76*3037-2961#16718#19679
21K → 25K55*2266-2211#19679#21890
25K → 30K1489*4+1485#21890#20405
30K → 35K469*226+243#20405#20162
35K → 40K353*268+85#20162#20077
40K → Finish446*9+437#20077#19640
TOTALS4175*6183-2008

* 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