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BOSTON MARATHON 2025

Charlotte Mangham

Bib: 14681•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Division (F18-39)
#0 / 5469
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:20/mi
22:47
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
45:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:30/mi
1:09:15
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:32:39
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:37:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:56:38
↑ 66↓ 880.2%
30K· 18.64 mi
8:38/mi
2:23:27
↑ 181↓ 1480.2%
20M
8:43/mi
2:35:18
↑ 64↓ 500.2%
21M
9:49/mi
2:45:07
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:51:08
↑ 17↓ 861.7%
23M
8:30/mi
3:01:47
↑ 23↓ 630.6%
24M
8:06/mi
3:09:53
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:17:10
↓ 200.3%
25.2M
9:57/mi
3:20:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:33/mi
3:29:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:37
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:51:42
Pace8:31 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5122:477:2022:47
7:20
-
10K
6.21 mi11:16:0045:567:2423:09
7:27
+0:07
15K
9.32 mi11:39:191:09:157:2623:19
7:30
+0:03
20K
12.43 mi12:02:431:32:397:2723:24
7:32
+0:02
Half
13.11 mi12:07:411:37:377:274:58
7:17
-0:15
25K
15.53 mi12:26:421:56:387:3019:01
7:51
+0:34
30K
18.64 mi12:53:312:23:277:4226:49
8:38
+0:47
20M
20.00 mi13:05:222:35:187:4611:51
8:43
+0:05
21M
21.00 mi13:15:112:45:077:529:49
9:49
+1:06
35K
21.75 mi13:21:122:51:087:526:01
8:03
-1:46
23M
23.00 mi13:31:513:01:477:5410:39
8:30
+0:27
24M
24.00 mi13:39:573:09:537:558:06
8:06
-0:24
40K
24.85 mi13:47:143:17:107:567:17
8:31
+0:25
25.2M
25.20 mi13:50:403:20:367:583:26
9:57
+1:26
Finish
26.22 mi13:59:233:29:197:598:43
8:33
-1:24

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

7:17 /mi

Average Pace

7:59 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:37

47% of race

Time at Steady Pace

43:47

21% of race

Time at Slower Pace

1:07:55

32% of race

Average Pace: 7:59 /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 mi10:52:5122:477:2022:47
7:20
#10727
10K
6.21 mi11:16:0045:567:2423:09
7:27
#11188
15K
9.32 mi11:39:191:09:157:2623:19
7:30
#11349
20K
12.43 mi12:02:431:32:397:2723:24
7:32
#11275
Half
13.11 mi12:07:411:37:377:274:58
7:17
#11199
25K
15.53 mi12:26:421:56:387:3019:01
7:51
#11406
30K
18.64 mi12:53:312:23:277:4226:49
8:38
#12227
20M
20.00 mi13:05:222:35:187:4611:51
8:43
#12446
21M
21.00 mi13:15:112:45:077:529:49
9:49
#12821
35K
21.75 mi13:21:122:51:087:526:01
8:03
#12802
23M
23.00 mi13:31:513:01:477:5410:39
8:30
#12789
24M
24.00 mi13:39:573:09:537:558:06
8:06
#12731
40K
24.85 mi13:47:143:17:107:567:17
8:31
#12758
25.2M
25.20 mi13:50:403:20:367:583:26
9:57
#12845
Finish
26.22 mi13:59:233:29:197:598:43
8:33
#13016
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi107272153215311820(Top 42%)2814(Top 23%)2814(Top 51%)
10K6.21 mi3.10 mi11188-4612394-2412394-24111660(Top 41%)2647(Top 22%)2647(Top 48%)
15K9.32 mi3.11 mi11349-1612500-1062500-10611820(Top 42%)2814(Top 23%)2814(Top 51%)
20K12.43 mi3.11 mi11275+742494+62494+611051(Top 39%)2503(Top 20%)2503(Top 46%)
Half13.11 mi0.68 mi11199+762456+382456+389930(Top 35%)1946(Top 16%)1946(Top 36%)
25K15.53 mi2.42 mi11406-2072598-1422598-14212713(Top 45%)3510(Top 29%)3510(Top 64%)
30K18.64 mi3.11 mi12227-8213114-5163114-51615573(Top 55%)5212(Top 43%)5212(Top 95%)
20M20.00 mi1.36 mi12446-2193279-1653279-16515190(Top 53%)5140(Top 42%)5140(Top 94%)
21M21.00 mi1.00 mi12821-3753516-2373516-23717553(Top 62%)6552(Top 54%)6552(Top 120%)
35K21.75 mi0.75 mi12802+193521-53521-512568(Top 44%)3931(Top 32%)3931(Top 72%)
23M23.00 mi1.25 mi12789+133547-263547-2613359(Top 47%)4455(Top 36%)4455(Top 81%)
24M24.00 mi1.00 mi12731+583543+43543+411927(Top 42%)3766(Top 31%)3766(Top 69%)
40K24.85 mi0.85 mi12758-273594-513594-5113562(Top 48%)4728(Top 39%)4728(Top 86%)
25.2M25.20 mi0.35 mi12845-873660-663660-6616827(Top 59%)6481(Top 53%)6481(Top 119%)
Finish26.22 mi1.02 mi13016-1713770-1103770-11016576(Top 58%)6334(Top 52%)6334(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11820

Females

2814

F18-39

2814

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11660

Females

2647

F18-39

2647

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11820

Females

2814

F18-39

2814

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11051

Females

2503

F18-39

2503

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9930

Females

1946

F18-39

1946

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12713

Females

3510

F18-39

3510

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15573

Females

5212

F18-39

5212

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15190

Females

5140

F18-39

5140

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17553

Females

6552

F18-39

6552

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12568

Females

3931

F18-39

3931

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13359

Females

4455

F18-39

4455

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11927

Females

3766

F18-39

3766

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13562

Females

4728

F18-39

4728

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16827

Females

6481

F18-39

6481

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16576

Females

6334

F18-39

6334

Passing Analysis

Category:
Athletes Passed
1223
Passed By
3512
Net Change
-2289
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10727
5K → 10K99560-461#10727#11188
10K → 15K139300-161#11188#11349
15K → 20K213139+74#11349#11275
20K → Half826+76#11275#11199
Half → 25K108315-207#11199#11406
25K → 30K85906-821#11406#12227
30K → 20M67286-219#12227#12446
20M → 21M32407-375#12446#12821
21M → 35K6546+19#12821#12802
35K → 23M10996+13#12802#12789
23M → 24M10648+58#12789#12731
24M → 40K6996-27#12731#12758
40K → 25.2M15102-87#12758#12845
25.2M → Finish34205-171#12845#13016
TOTALS12233512-2289
📊

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

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing