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MARINE CORPS MARATHON 2025

Gianna DeRose

Ellicottville, NY

Bib: 8082 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 16%
Gender (Female)
#0 / 12338
Top 10%
Division (F20-24)
#0 / 1404
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
9:12/mi
28:35
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:41/mi
55:34
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:30/mi
1:21:57
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:32/mi
1:53:47
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:19/mi
2:14:27
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:41/mi
2:41:27
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:58/mi
3:09:17
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:07/mi
3:37:36
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:20/mi
3:50:20
↑ 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
1:53:478:43 /mi⚡ faster
2nd Half
1:56:328:51 /mi+2.4%
Positive split — 2.4% 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 mi07:56:0428:359:1228:35
9:12
-
10K
6.21 mi08:23:0355:348:5726:59
8:41
-0:31
15K
9.32 mi08:49:261:21:578:4826:23
8:30
-0:11
21K
13.05 mi09:21:161:53:478:4331:50
8:32
+0:02
25K
15.53 mi09:41:562:14:278:3920:40
8:19
-0:13
30K
18.64 mi10:08:562:41:278:4027:00
8:41
+0:22
35K
21.75 mi10:36:463:09:178:4227:50
8:58
+0:17
40K
24.85 mi11:05:053:37:368:4528:19
9:07
+0:09
Finish
26.22 mi11:17:493:50:208:4712:44
9:20
+0:13

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

8:19 /mi

Average Pace

8:47 /mi

Slowest Pace

9:20 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:09:01

82% of race

Time at Steady Pace

41:19

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:47 /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 mi07:56:0428:359:1228:35
9:12
#6714
10K
6.21 mi08:23:0355:348:5726:59
8:41
#6945
15K
9.32 mi08:49:261:21:578:4826:23
8:30
#6518
21K
13.05 mi09:21:161:53:478:4331:50
8:32
#5951
25K
15.53 mi09:41:562:14:278:3920:40
8:19
#5683
30K
18.64 mi10:08:562:41:278:4027:00
8:41
#5337
35K
21.75 mi10:36:463:09:178:4227:50
8:58
#5114
40K
24.85 mi11:05:053:37:368:4528:19
9:07
#4853
Finish
26.22 mi11:17:493:50:208:4712:44
9:20
#4840
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi6714160730357581292237
10K6.21 mi3.10 mi6945-2311645-38306-373111762335
15K9.32 mi3.11 mi6518+4271516+129285+2157581292237
21K13.05 mi3.73 mi5951+5671334+182252+3349571068197
25K15.53 mi2.48 mi5683+2681258+76234+1847901069199
30K18.64 mi3.11 mi5337+3461199+59220+1445871066204
35K21.75 mi3.11 mi5114+2231195+4221-148721272245
40K24.85 mi3.10 mi4853+2611173+22223-245151288258
Finish26.22 mi1.37 mi4840+131186-13229-653461683358

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×18story building
+279ft-164ft

Overall

5758

Females

1292

F20-24

1292

5K→10K

3.1 - 6.2 mi

Top 24%
×11story building
+103ft-217ft

Overall

7311

Females

1762

F20-24

1762

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+51ft-55ft

Overall

5758

Females

1292

F20-24

1292

15K→21K

9.3 - 13.1 mi

Top 16%
×1story
+20ft-37ft

Overall

4957

Females

1068

F20-24

1068

21K→25K

13.1 - 15.5 mi

Top 16%
×2story building
+35ft-8ft

Overall

4790

Females

1069

F20-24

1069

25K→30K

15.5 - 18.6 mi

Top 15%
×2story building
+58ft-57ft

Overall

4587

Females

1066

F20-24

1066

30K→35K

18.6 - 21.8 mi

Top 16%
×2story building
+98ft-92ft

Overall

4872

Females

1272

F20-24

1272

35K→40K

21.8 - 24.9 mi

Top 15%
×2story building
+36ft-53ft

Overall

4515

Females

1288

F20-24

1288

40K→Finish

24.9 - 26.2 mi

Top 18%
×5story building
+80ft-24ft

Overall

5346

Females

1683

F20-24

1683

Passing Analysis

Category:
Athletes Passed
2707*
Passed By
833
Net Change
+1874
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6714
5K → 10K184*415-231#6714#6945
10K → 15K469*42+427#6945#6518
15K → 21K588*21+567#6518#5951
21K → 25K30133+268#5951#5683
25K → 30K387*41+346#5683#5337
30K → 35K331*108+223#5337#5114
35K → 40K352*91+261#5114#4853
40K → Finish95*82+13#4853#4840
TOTALS2707*833+1874

* 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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Questions or issues regarding timing data?

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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions