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MARINE CORPS MARATHON 2025

Gillian Gulley

chicago, IL

Bib: 10491 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 33%
Gender (Female)
#0 / 12338
Top 25%
Division (F25-29)
#0 / 2322
Top 35%
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
10:02/mi
31:11
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:36/mi
1:01:01
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:36/mi
1:30:51
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:44/mi
2:07:07
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:35/mi
2:30:55
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:53/mi
3:01:38
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:48/mi
3:32:04
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:23/mi
4:04:21
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:11/mi
4:18:15
↑ 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
Time2:07:07
Pace9:44 /mi
2nd Half
Distance13.17 mi
Time2:11:07
Pace9:57 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:09:4831:1110:0231:11
10:02
-
10K
6.21 mi08:39:381:01:019:4929:50
9:36
-0:26
15K
9.32 mi09:09:281:30:519:4529:50
9:36
0:00
21K
13.05 mi09:45:442:07:079:4436:16
9:44
+0:08
25K
15.53 mi10:09:322:30:559:4323:48
9:35
-0:09
30K
18.64 mi10:40:153:01:389:4530:43
9:53
+0:18
35K
21.75 mi11:10:413:32:049:4530:26
9:48
-0:05
40K
24.85 mi11:42:584:04:219:5032:17
10:23
+0:35
Finish
26.22 mi11:56:524:18:159:5113:54
10:11
-0:12

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

9:35 /mi

Average Pace

9:51 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:04

82% of race

Time at Steady Pace

46:11

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:51 /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 mi08:09:4831:1110:0231:11
10:02
#11854
10K
6.21 mi08:39:381:01:019:4929:50
9:36
#12499
15K
9.32 mi09:09:281:30:519:4529:50
9:36
#12460
21K
13.05 mi09:45:442:07:079:4436:16
9:44
#12175
25K
15.53 mi10:09:322:30:559:4323:48
9:35
#11934
30K
18.64 mi10:40:153:01:389:4530:43
9:53
#11426
35K
21.75 mi11:10:413:32:049:4530:26
9:48
#10637
40K
24.85 mi11:42:584:04:219:5032:17
10:23
#10202
Finish
26.22 mi11:56:524:18:159:5113:54
10:11
#10035
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi11854343286012531(Top 42%)3697(Top 30%)933(Top 40%)
10K6.21 mi3.10 mi12499-6453679-247905-4513202(Top 44%)3950(Top 32%)966(Top 42%)
15K9.32 mi3.11 mi12460+393655+24910-512531(Top 42%)3697(Top 30%)933(Top 40%)
21K13.05 mi3.73 mi12175+2853558+97896+1411832(Top 39%)3465(Top 28%)888(Top 38%)
25K15.53 mi2.48 mi11934+2413505+53894+211540(Top 38%)3479(Top 28%)897(Top 39%)
30K18.64 mi3.11 mi11426+5083367+138866+2810032(Top 33%)3052(Top 25%)795(Top 34%)
35K21.75 mi3.11 mi10637+7893159+208819+478324(Top 28%)2581(Top 21%)686(Top 30%)
40K24.85 mi3.10 mi10202+4353108+51804+159186(Top 31%)3239(Top 26%)822(Top 35%)
Finish26.22 mi1.37 mi10035+1673080+28803+18730(Top 29%)3101(Top 25%)824(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×18story building
+279ft-164ft

Overall

12531

Females

3697

F25-29

3697

5K→10K

3.1 - 6.2 mi

Top 44%
×11story building
+103ft-217ft

Overall

13202

Females

3950

F25-29

3950

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+51ft-55ft

Overall

12531

Females

3697

F25-29

3697

15K→21K

9.3 - 13.1 mi

Top 39%
×1story
+20ft-37ft

Overall

11832

Females

3465

F25-29

3465

21K→25K

13.1 - 15.5 mi

Top 38%
×2story building
+35ft-8ft

Overall

11540

Females

3479

F25-29

3479

25K→30K

15.5 - 18.6 mi

Top 33%
×2story building
+58ft-57ft

Overall

10032

Females

3052

F25-29

3052

30K→35K

18.6 - 21.8 mi

Top 28%
×2story building
+98ft-92ft

Overall

8324

Females

2581

F25-29

2581

35K→40K

21.8 - 24.9 mi

Top 31%
×2story building
+36ft-53ft

Overall

9186

Females

3239

F25-29

3239

40K→Finish

24.9 - 26.2 mi

Top 29%
×5story building
+80ft-24ft

Overall

8730

Females

3101

F25-29

3101

Passing Analysis

Category:
Athletes Passed
3397*
Passed By
1578
Net Change
+1819
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11854
5K → 10K146*791-645#11854#12499
10K → 15K282*243+39#12499#12460
15K → 21K431*146+285#12460#12175
21K → 25K355*114+241#12175#11934
25K → 30K583*75+508#11934#11426
30K → 35K831*42+789#11426#10637
35K → 40K546*111+435#10637#10202
40K → Finish223*56+167#10202#10035
TOTALS3397*1578+1819

* 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