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MARINE CORPS MARATHON 2025

Briana Tom

Buffalo, NY

Bib: 8176 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 42%
Gender (Female)
#0 / 12338
Top 34%
Division (F30-34)
#0 / 1621
Top 39%
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
10:07/mi
31:27
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:44/mi
1:01:42
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:47/mi
1:32:05
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:57/mi
2:09:09
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:59/mi
2:33:57
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:31/mi
3:06:38
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:16/mi
3:41:38
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:25/mi
4:17:07
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:55/mi
4:32:00
↑ 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
Time2:09:09
Pace9:54 /mi
2nd Half
Distance13.17 mi
Time2:22:50
Pace10:51 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:23:0431:2710:0731:27
10:07
-
10K
6.21 mi08:53:191:01:429:5630:15
9:44
-0:23
15K
9.32 mi09:23:421:32:059:5330:23
9:47
+0:03
21K
13.05 mi10:00:462:09:099:5437:04
9:57
+0:10
25K
15.53 mi10:25:342:33:579:5524:48
9:59
+0:02
30K
18.64 mi10:58:153:06:3810:0132:41
10:31
+0:32
35K
21.75 mi11:33:153:41:3810:1135:00
11:16
+0:45
40K
24.85 mi12:08:444:17:0710:2135:29
11:25
+0:09
Finish
26.22 mi12:23:374:32:0010:2314:53
10:55
-0:30

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

9:44 /mi

Average Pace

10:23 /mi

Slowest Pace

11:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:38

69% of race

Time at Steady Pace

1:25:22

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:22 /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 mi08:23:0431:2710:0731:27
10:07
#12444
10K
6.21 mi08:53:191:01:429:5630:15
9:44
#13175
15K
9.32 mi09:23:421:32:059:5330:23
9:47
#13222
21K
13.05 mi10:00:462:09:099:5437:04
9:57
#13000
25K
15.53 mi10:25:342:33:579:5524:48
9:59
#12967
30K
18.64 mi10:58:153:06:3810:0132:41
10:31
#12835
35K
21.75 mi11:33:153:41:3810:1135:00
11:16
#12906
40K
24.85 mi12:08:444:17:0710:2135:29
11:25
#12817
Finish
26.22 mi12:23:374:32:0010:2314:53
10:55
#12698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi12444367852513473(Top 45%)4106(Top 33%)597(Top 37%)
10K6.21 mi3.10 mi13175-7313958-280577-5213980(Top 47%)4272(Top 35%)618(Top 38%)
15K9.32 mi3.11 mi13222-473994-36584-713473(Top 45%)4106(Top 33%)597(Top 37%)
21K13.05 mi3.73 mi13000+2223930+64564+2012907(Top 43%)3920(Top 32%)568(Top 35%)
25K15.53 mi2.48 mi12967+333937-7571-713456(Top 45%)4302(Top 35%)645(Top 40%)
30K18.64 mi3.11 mi12835+1323960-23581-1012736(Top 42%)4201(Top 34%)638(Top 40%)
35K21.75 mi3.11 mi12906-714122-162609-2814070(Top 47%)5171(Top 42%)771(Top 48%)
40K24.85 mi3.10 mi12817+894216-94632-2313109(Top 44%)5021(Top 41%)739(Top 46%)
Finish26.22 mi1.37 mi12698+1194212+4631+111558(Top 38%)4384(Top 36%)674(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×18story building
+279ft-164ft

Overall

13473

Females

4106

F30-34

4106

5K→10K

3.1 - 6.2 mi

Top 47%
×11story building
+103ft-217ft

Overall

13980

Females

4272

F30-34

4272

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+51ft-55ft

Overall

13473

Females

4106

F30-34

4106

15K→21K

9.3 - 13.1 mi

Top 43%
×1story
+20ft-37ft

Overall

12907

Females

3920

F30-34

3920

21K→25K

13.1 - 15.5 mi

Top 45%
×2story building
+35ft-8ft

Overall

13456

Females

4302

F30-34

4302

25K→30K

15.5 - 18.6 mi

Top 42%
×2story building
+58ft-57ft

Overall

12736

Females

4201

F30-34

4201

30K→35K

18.6 - 21.8 mi

Top 47%
×2story building
+98ft-92ft

Overall

14070

Females

5171

F30-34

5171

35K→40K

21.8 - 24.9 mi

Top 44%
×2story building
+36ft-53ft

Overall

13109

Females

5021

F30-34

5021

40K→Finish

24.9 - 26.2 mi

Top 38%
×5story building
+80ft-24ft

Overall

11558

Females

4384

F30-34

4384

Passing Analysis

Category:
Athletes Passed
2418*
Passed By
2672
Net Change
-254
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12444
5K → 10K133*864-731#12444#13175
10K → 15K252*299-47#13175#13222
15K → 21K430*208+222#13222#13000
21K → 25K279*246+33#13000#12967
25K → 30K396*264+132#12967#12835
30K → 35K348*419-71#12835#12906
35K → 40K393*304+89#12906#12817
40K → Finish187*68+119#12817#12698
TOTALS2418*2672-254

* 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