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MARINE CORPS MARATHON 2025

Grace Callow

Hanover, MA

Bib: 4032 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 6%
Gender (Female)
#0 / 12338
Top 3%
Division (F20-24)
#0 / 1404
Top 5%
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
8:15/mi
25:37
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:52/mi
50:02
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:43/mi
1:14:00
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:52/mi
1:43:19
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:29/mi
2:01:56
↑ 350.2%
30 ft elev
30K· 18.64 mi
7:42/mi
2:25:51
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
7:43/mi
2:49:48
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
7:54/mi
3:14:20
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:06/mi
3:25:23
↑ 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
Time1:43:19
Pace7:55 /mi
2nd Half✓ Faster
Distance13.17 mi
Time1:42:04
Pace7:45 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:47:1725:378:1525:37
8:15
-
10K
6.21 mi08:11:4250:028:0324:25
7:52
-0:23
15K
9.32 mi08:35:401:14:007:5623:58
7:43
-0:09
21K
13.05 mi09:04:591:43:197:5529:19
7:52
+0:09
25K
15.53 mi09:23:362:01:567:5118:37
7:29
-0:23
30K
18.64 mi09:47:312:25:517:4923:55
7:42
+0:13
35K
21.75 mi10:11:282:49:487:4823:57
7:43
+0:01
40K
24.85 mi10:36:003:14:207:4924:32
7:54
+0:11
Finish
26.22 mi10:47:033:25:237:5011:03
8:06
+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

7:29 /mi

Average Pace

7:50 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:46

88% of race

Time at Steady Pace

25:37

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi07:47:1725:378:1525:37
8:15
#2361
10K
6.21 mi08:11:4250:028:0324:25
7:52
#2700
15K
9.32 mi08:35:401:14:007:5623:58
7:43
#2625
21K
13.05 mi09:04:591:43:197:5529:19
7:52
#2531
25K
15.53 mi09:23:362:01:567:5118:37
7:29
#2391
30K
18.64 mi09:47:312:25:517:4923:55
7:42
#2182
35K
21.75 mi10:11:282:49:487:4823:57
7:43
#1963
40K
24.85 mi10:36:003:14:207:4924:32
7:54
#1798
Finish
26.22 mi10:47:033:25:237:5011:03
8:06
#1771
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi236141884260246794
10K6.21 mi3.10 mi2700-339481-6397-133348614117
15K9.32 mi3.11 mi2625+75475+694+3260246794
21K13.05 mi3.73 mi2531+94458+1790+4239041086
25K15.53 mi2.48 mi2391+140435+2388+2188931772
30K18.64 mi3.11 mi2182+209391+4483+5160826964
35K21.75 mi3.11 mi1963+219349+4277+6128921750
40K24.85 mi3.10 mi1798+165325+2474+3138727468
Finish26.22 mi1.37 mi1771+27321+472+2171938690

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×18story building
+279ft-164ft

Overall

2602

Females

467

F20-24

467

5K→10K

3.1 - 6.2 mi

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

Overall

3348

Females

614

F20-24

614

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+51ft-55ft

Overall

2602

Females

467

F20-24

467

15K→21K

9.3 - 13.1 mi

Top 8%
×1story
+20ft-37ft

Overall

2390

Females

410

F20-24

410

21K→25K

13.1 - 15.5 mi

Top 6%
×2story building
+35ft-8ft

Overall

1889

Females

317

F20-24

317

25K→30K

15.5 - 18.6 mi

Top 5%
×2story building
+58ft-57ft

Overall

1608

Females

269

F20-24

269

30K→35K

18.6 - 21.8 mi

Top 4%
×2story building
+98ft-92ft

Overall

1289

Females

217

F20-24

217

35K→40K

21.8 - 24.9 mi

Top 5%
×2story building
+36ft-53ft

Overall

1387

Females

274

F20-24

274

40K→Finish

24.9 - 26.2 mi

Top 6%
×5story building
+80ft-24ft

Overall

1719

Females

386

F20-24

386

Passing Analysis

Category:
Athletes Passed
1096*
Passed By
506
Net Change
+590
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2361
5K → 10K18*357-339#2361#2700
10K → 15K126*51+75#2700#2625
15K → 21K134*40+94#2625#2531
21K → 25K1499+140#2531#2391
25K → 30K223*14+209#2391#2182
30K → 35K2223+219#2182#1963
35K → 40K180*15+165#1963#1798
40K → Finish44*17+27#1798#1771
TOTALS1096*506+590

* 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