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MARINE CORPS MARATHON 2025

Grace Mckenna

Boston, MA

Bib: 22918 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F20-24)
#0 / 1404
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
10:41/mi
33:11
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:35/mi
1:06:03
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:53/mi
1:39:51
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:27/mi
2:22:32
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
12:16/mi
2:53:01
↑ 350.2%
30 ft elev
30K· 18.64 mi
13:45/mi
3:35:45
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
15:01/mi
4:22:23
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
14:22/mi
5:07:00
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
14:11/mi
5:26:21
↑ 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
Time2:22:32
Pace10:55 /mi
2nd Half
Distance13.17 mi
Time3:03:49
Pace13:57 /mi
📊Positive Split: 29.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:39:5833:1110:4133:11
10:41
-
10K
6.21 mi09:12:501:06:0310:3832:52
10:35
-0:06
15K
9.32 mi09:46:381:39:5110:4333:48
10:53
+0:18
21K
13.05 mi10:29:192:22:3210:5542:41
11:27
+0:34
25K
15.53 mi10:59:482:53:0111:0830:29
12:16
+0:49
30K
18.64 mi11:42:323:35:4511:3442:44
13:45
+1:29
35K
21.75 mi12:29:104:22:2312:0446:38
15:01
+1:16
40K
24.85 mi13:13:475:07:0012:2144:37
14:22
-0:39
Finish
26.22 mi13:33:085:26:2112:2719:21
14:11
-0:11

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

10:35 /mi

Average Pace

12:27 /mi

Slowest Pace

15:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:51

31% of race

Time at Steady Pace

1:13:10

22% of race

Time at Slower Pace

2:33:20

47% of race

Average Pace: 12:27 /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 mi08:39:5833:1110:4133:11
10:41
#16025
10K
6.21 mi09:12:501:06:0310:3832:52
10:35
#17779
15K
9.32 mi09:46:381:39:5110:4333:48
10:53
#18513
21K
13.05 mi10:29:192:22:3210:5542:41
11:27
#19047
25K
15.53 mi10:59:482:53:0111:0830:29
12:16
#19755
30K
18.64 mi11:42:323:35:4511:3442:44
13:45
#20781
35K
21.75 mi12:29:104:22:2312:0446:38
15:01
#21756
40K
24.85 mi13:13:475:07:0012:2144:37
14:22
#21853
Finish
26.22 mi13:33:085:26:2112:2719:21
14:11
#21858
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi16025518882920081(Top 67%)7058(Top 57%)1053(Top 75%)
10K6.21 mi3.10 mi17779-17545947-759925-9619643(Top 65%)6823(Top 55%)1013(Top 72%)
15K9.32 mi3.11 mi18513-7346292-345961-3620081(Top 67%)7058(Top 57%)1053(Top 75%)
21K13.05 mi3.73 mi19047-5346588-296995-3420393(Top 68%)7298(Top 59%)1075(Top 77%)
25K15.53 mi2.48 mi19755-7086975-3871044-4922582(Top 75%)8618(Top 70%)1169(Top 83%)
30K18.64 mi3.11 mi20781-10267578-6031113-6923848(Top 79%)9445(Top 77%)1238(Top 88%)
35K21.75 mi3.11 mi21756-9758129-5511150-3725582(Top 85%)10463(Top 85%)1294(Top 92%)
40K24.85 mi3.10 mi21853-978275-1461154-422452(Top 75%)9150(Top 74%)1191(Top 85%)
Finish26.22 mi1.37 mi21858-58322-471161-722618(Top 75%)9150(Top 74%)1230(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×18story building
+279ft-164ft

Overall

20081

Females

7058

F20-24

7058

5K→10K

3.1 - 6.2 mi

Top 65%
×11story building
+103ft-217ft

Overall

19643

Females

6823

F20-24

6823

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+51ft-55ft

Overall

20081

Females

7058

F20-24

7058

15K→21K

9.3 - 13.1 mi

Top 68%
×1story
+20ft-37ft

Overall

20393

Females

7298

F20-24

7298

21K→25K

13.1 - 15.5 mi

Top 75%
×2story building
+35ft-8ft

Overall

22582

Females

8618

F20-24

8618

25K→30K

15.5 - 18.6 mi

Top 79%
×2story building
+58ft-57ft

Overall

23848

Females

9445

F20-24

9445

30K→35K

18.6 - 21.8 mi

Top 85%
×2story building
+98ft-92ft

Overall

25582

Females

10463

F20-24

10463

35K→40K

21.8 - 24.9 mi

Top 75%
×2story building
+36ft-53ft

Overall

22452

Females

9150

F20-24

9150

40K→Finish

24.9 - 26.2 mi

Top 75%
×5story building
+80ft-24ft

Overall

22618

Females

9150

F20-24

9150

Passing Analysis

Category:
Athletes Passed
1385*
Passed By
7218
Net Change
-5833
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16025
5K → 10K63*1817-1754#16025#17779
10K → 15K212*946-734#17779#18513
15K → 21K367*901-534#18513#19047
21K → 25K159*867-708#19047#19755
25K → 30K138*1164-1026#19755#20781
30K → 35K92*1067-975#20781#21756
35K → 40K232*329-97#21756#21853
40K → Finish122*127-5#21853#21858
TOTALS1385*7218-5833

* 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