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MARINE CORPS MARATHON 2025

Kelly Bistok

Rolesville, NC

Bib: 35531 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Top 38%
Division (F45-49)
#0 / 1255
Top 42%
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
12:25/mi
38:34
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
11:05/mi
1:12:59
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
11:07/mi
1:47:30
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:03/mi
2:28:42
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:39/mi
2:55:11
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:05/mi
3:29:36
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:17/mi
4:04:40
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:26/mi
4:40:12
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
11:26/mi
4:55:48
↑ 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 21K
Distance13.05 mi
Time2:28:42
Pace11:24 /mi
2nd Half✓ Faster
Distance13.17 mi
Time2:27:06
Pace11:10 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:30:1338:3412:2538:34
12:25
-
10K
6.21 mi09:04:381:12:5911:4534:25
11:05
-1:20
15K
9.32 mi09:39:091:47:3011:3234:31
11:07
+0:02
21K
13.05 mi10:20:212:28:4211:2441:12
11:03
-0:04
25K
15.53 mi10:46:502:55:1111:1726:29
10:39
-0:24
30K
18.64 mi11:21:153:29:3611:1534:25
11:05
+0:26
35K
21.75 mi11:56:194:04:4011:1535:04
11:17
+0:12
40K
24.85 mi12:31:514:40:1211:1635:32
11:26
+0:09
Finish
26.22 mi12:47:274:55:4811:1715:36
11:26
0:00

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

10:39 /mi

Average Pace

11:17 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:17:14

87% of race

Time at Steady Pace

38:34

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:17 /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 mi08:30:1338:3412:2538:34
12:25
#25698
10K
6.21 mi09:04:381:12:5911:4534:25
11:05
#24271
15K
9.32 mi09:39:091:47:3011:3234:31
11:07
#23219
21K
13.05 mi10:20:212:28:4211:2441:12
11:03
#21530
25K
15.53 mi10:46:502:55:1111:1726:29
10:39
#20467
30K
18.64 mi11:21:153:29:3611:1534:25
11:05
#19245
35K
21.75 mi11:56:194:04:4011:1535:04
11:17
#18288
40K
24.85 mi12:31:514:40:1211:1635:32
11:26
#17425
Finish
26.22 mi12:47:274:55:4811:1715:36
11:26
#17187
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi256989819921212957625677
10K6.21 mi3.10 mi24271+14279080+739823+98225648253744
15K9.32 mi3.11 mi23219+10528550+530772+51212957625677
21K13.05 mi3.73 mi21530+16897762+788689+83186106457557
25K15.53 mi2.48 mi20467+10637327+435641+48166765774486
30K18.64 mi3.11 mi19245+12226809+518606+35150775266428
35K21.75 mi3.11 mi18288+9576523+286570+36141485207429
40K24.85 mi3.10 mi17425+8636251+272540+30131505046411
Finish26.22 mi1.37 mi17187+2386173+78529+11136995301427

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×18story building
+279ft-164ft

Overall

21295

Females

7625

F45-49

7625

5K→10K

3.1 - 6.2 mi

Top 75%
×11story building
+103ft-217ft

Overall

22564

Females

8253

F45-49

8253

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+51ft-55ft

Overall

21295

Females

7625

F45-49

7625

15K→21K

9.3 - 13.1 mi

Top 62%
×1story
+20ft-37ft

Overall

18610

Females

6457

F45-49

6457

21K→25K

13.1 - 15.5 mi

Top 55%
×2story building
+35ft-8ft

Overall

16676

Females

5774

F45-49

5774

25K→30K

15.5 - 18.6 mi

Top 50%
×2story building
+58ft-57ft

Overall

15077

Females

5266

F45-49

5266

30K→35K

18.6 - 21.8 mi

Top 47%
×2story building
+98ft-92ft

Overall

14148

Females

5207

F45-49

5207

35K→40K

21.8 - 24.9 mi

Top 44%
×2story building
+36ft-53ft

Overall

13150

Females

5046

F45-49

5046

40K→Finish

24.9 - 26.2 mi

Top 46%
×5story building
+80ft-24ft

Overall

13699

Females

5301

F45-49

5301

Passing Analysis

Category:
Athletes Passed
8786*
Passed By
275
Net Change
+8511
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25698
5K → 10K1481*54+1427#25698#24271
10K → 15K1109*57+1052#24271#23219
15K → 21K1711*22+1689#23219#21530
21K → 25K1075*12+1063#21530#20467
25K → 30K1242*20+1222#20467#19245
30K → 35K1001*44+957#19245#18288
35K → 40K899*36+863#18288#17425
40K → Finish268*30+238#17425#17187
TOTALS8786*275+8511

* 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