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MARINE CORPS MARATHON 2025

Bethany Chalk

Baltimore, MD

Bib: 33702 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F30-34)
#0 / 1621
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
10:45/mi
33:25
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:13/mi
1:05:09
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:23/mi
1:37:26
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:39/mi
2:17:07
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:26/mi
2:43:03
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:19/mi
3:18:12
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:47/mi
3:54:50
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:56/mi
4:38:06
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:37/mi
4:56:40
↑ 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
Time2:17:07
Pace10:30 /mi
2nd Half
Distance13.17 mi
Time2:39:33
Pace12:07 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:18:1133:2510:4533:25
10:45
-
10K
6.21 mi08:49:551:05:0910:2931:44
10:13
-0:32
15K
9.32 mi09:22:121:37:2610:2732:17
10:23
+0:10
21K
13.05 mi10:01:532:17:0710:3039:41
10:39
+0:16
25K
15.53 mi10:27:492:43:0310:3025:56
10:26
-0:13
30K
18.64 mi11:02:583:18:1210:3835:09
11:19
+0:53
35K
21.75 mi11:39:363:54:5010:4836:38
11:47
+0:28
40K
24.85 mi12:22:524:38:0611:1143:16
13:56
+2:09
Finish
26.22 mi12:41:264:56:4011:1918:34
13:37
-0:19

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

10:13 /mi

Average Pace

11:19 /mi

Slowest Pace

13:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:18:12

67% of race

Time at Slower Pace

1:38:28

33% of race

Average Pace: 11:19 /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 mi08:18:1133:2510:4533:25
10:45
#16488
10K
6.21 mi08:49:551:05:0910:2931:44
10:13
#16735
15K
9.32 mi09:22:121:37:2610:2732:17
10:23
#16804
21K
13.05 mi10:01:532:17:0710:3039:41
10:39
#16552
25K
15.53 mi10:27:492:43:0310:3025:56
10:26
#16267
30K
18.64 mi11:02:583:18:1210:3835:09
11:19
#16106
35K
21.75 mi11:39:363:54:5010:4836:38
11:47
#15991
40K
24.85 mi12:22:524:38:0611:1143:16
13:56
#17038
Finish
26.22 mi12:41:264:56:4011:1918:34
13:37
#17359
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi16488539077717174(Top 57%)5685(Top 46%)833(Top 52%)
10K6.21 mi3.10 mi16735-2475472-82787-1017159(Top 57%)5640(Top 46%)812(Top 50%)
15K9.32 mi3.11 mi16804-695494-22790-317174(Top 57%)5685(Top 46%)833(Top 52%)
21K13.05 mi3.73 mi16552+2525397+97779+1116577(Top 55%)5489(Top 44%)803(Top 50%)
25K15.53 mi2.48 mi16267+2855335+62780-115586(Top 52%)5253(Top 43%)776(Top 48%)
30K18.64 mi3.11 mi16106+1615376-41793-1316010(Top 53%)5713(Top 46%)851(Top 53%)
35K21.75 mi3.11 mi15991+1155457-81803-1016010(Top 53%)6057(Top 49%)896(Top 56%)
40K24.85 mi3.10 mi17038-10476072-615888-8521168(Top 70%)8554(Top 69%)1189(Top 74%)
Finish26.22 mi1.37 mi17359-3216255-183909-2120992(Top 70%)8428(Top 68%)1206(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×18story building
+279ft-164ft

Overall

17174

Females

5685

F30-34

5685

5K→10K

3.1 - 6.2 mi

Top 57%
×11story building
+103ft-217ft

Overall

17159

Females

5640

F30-34

5640

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+51ft-55ft

Overall

17174

Females

5685

F30-34

5685

15K→21K

9.3 - 13.1 mi

Top 55%
×1story
+20ft-37ft

Overall

16577

Females

5489

F30-34

5489

21K→25K

13.1 - 15.5 mi

Top 52%
×2story building
+35ft-8ft

Overall

15586

Females

5253

F30-34

5253

25K→30K

15.5 - 18.6 mi

Top 53%
×2story building
+58ft-57ft

Overall

16010

Females

5713

F30-34

5713

30K→35K

18.6 - 21.8 mi

Top 53%
×2story building
+98ft-92ft

Overall

16010

Females

6057

F30-34

6057

35K→40K

21.8 - 24.9 mi

Top 70%
×2story building
+36ft-53ft

Overall

21168

Females

8554

F30-34

8554

40K→Finish

24.9 - 26.2 mi

Top 70%
×5story building
+80ft-24ft

Overall

20992

Females

8428

F30-34

8428

Passing Analysis

Category:
Athletes Passed
2750*
Passed By
3621
Net Change
-871
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16488
5K → 10K340*587-247#16488#16735
10K → 15K335*404-69#16735#16804
15K → 21K568*316+252#16804#16552
21K → 25K446*161+285#16552#16267
25K → 30K461*300+161#16267#16106
30K → 35K468*353+115#16106#15991
35K → 40K84*1131-1047#15991#17038
40K → Finish48*369-321#17038#17359
TOTALS2750*3621-871

* 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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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