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BOSTON MARATHON 2025

Mana Cheng

Bib: 24914•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
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
8:47/mi
27:16
↑ 97↓ 3451.5%
10K· 6.21 mi
9:03/mi
55:22
↑ 79↓ 1380.4%
15K· 9.32 mi
11:10/mi
1:30:05
↑ 67↓ 78
20K· 12.43 mi
9:56/mi
2:00:56
↑ 106↓ 860.1%
Half· 13.11 mi
10:27/mi
2:08:04
↑ 19↓ 370.5%
25K· 15.53 mi
11:15/mi
2:35:21
↑ 66↓ 880.2%
30K· 18.64 mi
10:23/mi
3:07:37
↑ 181↓ 1480.2%
20M
9:35/mi
3:20:39
↑ 64↓ 500.2%
21M
11:17/mi
3:31:56
↑ 106↓ 241.6%
35K· 21.75 mi
9:39/mi
3:39:09
↑ 17↓ 861.7%
23M
9:54/mi
3:51:33
↑ 23↓ 630.6%
24M
9:36/mi
4:01:09
↓ 821.3%
40K· 24.85 mi
10:12/mi
4:09:52
↓ 200.3%
25.2M
11:36/mi
4:13:52
↑ 13↓ 160.2%
Finish· 26.22 mi
9:56/mi
4:23:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:04
Pace9:46 /mi
2nd Half
Distance13.11 mi
Time2:15:55
Pace10:22 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2227:168:4727:16
8:47
-
10K
6.21 mi11:56:2855:228:5528:06
9:03
+0:16
15K
9.32 mi12:31:111:30:059:4034:43
11:10
+2:07
20K
12.43 mi13:02:022:00:569:4430:51
9:56
-1:14
Half
13.11 mi13:09:102:08:049:467:08
10:27
+0:31
25K
15.53 mi13:36:272:35:2110:0027:17
11:15
+0:48
30K
18.64 mi14:08:433:07:3710:0432:16
10:23
-0:52
20M
20.00 mi14:21:453:20:3910:0213:02
9:35
-0:48
21M
21.00 mi14:33:023:31:5610:0611:17
11:17
+1:42
35K
21.75 mi14:40:153:39:0910:057:13
9:39
-1:38
23M
23.00 mi14:52:393:51:3310:0412:24
9:54
+0:15
24M
24.00 mi15:02:154:01:0910:039:36
9:36
-0:18
40K
24.85 mi15:10:584:09:5210:038:43
10:12
+0:36
25.2M
25.20 mi15:14:584:13:5210:044:00
11:36
+1:24
Finish
26.22 mi15:25:054:23:5910:0510:07
9:56
-1:40

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

8:47 /mi

Average Pace

10:05 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:22

21% of race

Time at Steady Pace

1:31:56

35% of race

Time at Slower Pace

1:56:41

44% of race

Average Pace: 10:04 /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 mi11:28:2227:168:4727:16
8:47
#21395
10K
6.21 mi11:56:2855:228:5528:06
9:03
#22010
15K
9.32 mi12:31:111:30:059:4034:43
11:10
#24483
20K
12.43 mi13:02:022:00:569:4430:51
9:56
#24375
Half
13.11 mi13:09:102:08:049:467:08
10:27
#24462
25K
15.53 mi13:36:272:35:2110:0027:17
11:15
#24713
30K
18.64 mi14:08:433:07:3710:0432:16
10:23
#24377
20M
20.00 mi14:21:453:20:3910:0213:02
9:35
#24080
21M
21.00 mi14:33:023:31:5610:0611:17
11:17
#23976
35K
21.75 mi14:40:153:39:0910:057:13
9:39
#23852
23M
23.00 mi14:52:393:51:3310:0412:24
9:54
#23660
24M
24.00 mi15:02:154:01:0910:039:36
9:36
#23511
40K
24.85 mi15:10:584:09:5210:038:43
10:12
#23405
25.2M
25.20 mi15:14:584:13:5210:044:00
11:36
#23394
Finish
26.22 mi15:25:054:23:5910:0510:07
9:56
#23391
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi213958299829926894(Top 95%)11314(Top 93%)11314(Top 1813%)
10K6.21 mi3.10 mi22010-6158620-3218620-32122593(Top 80%)8921(Top 73%)8921(Top 1430%)
15K9.32 mi3.11 mi24483-24739950-13309950-133026894(Top 95%)11314(Top 93%)11314(Top 1813%)
20K12.43 mi3.11 mi24375+1089911+399911+3924090(Top 85%)9761(Top 80%)9761(Top 1564%)
Half13.11 mi0.68 mi24462-879956-459956-4525736(Top 91%)10679(Top 87%)10679(Top 1711%)
25K15.53 mi2.42 mi24713-25110098-14210098-14225555(Top 90%)10601(Top 87%)10601(Top 1699%)
30K18.64 mi3.11 mi24377+3369937+1619937+16122679(Top 80%)9148(Top 75%)9148(Top 1466%)
20M20.00 mi1.36 mi24080+2979797+1409797+14019598(Top 69%)7586(Top 62%)7586(Top 1216%)
21M21.00 mi1.00 mi23976+1049757+409757+4022128(Top 78%)9042(Top 74%)9042(Top 1449%)
35K21.75 mi0.75 mi23852+1249701+569701+5620869(Top 73%)8439(Top 69%)8439(Top 1352%)
23M23.00 mi1.25 mi23660+1929610+919610+9120198(Top 71%)8159(Top 67%)8159(Top 1308%)
24M24.00 mi1.00 mi23511+1499545+659545+6520024(Top 70%)8106(Top 66%)8106(Top 1299%)
40K24.85 mi0.85 mi23405+1069508+379508+3721085(Top 74%)8713(Top 71%)8713(Top 1396%)
25.2M25.20 mi0.35 mi23394+119512-49512-422353(Top 79%)9336(Top 76%)9336(Top 1496%)
Finish26.22 mi1.02 mi23391+39527-159527-1522719(Top 80%)9531(Top 78%)9531(Top 1527%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

26894

Females

11314

F60-64

11314

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22593

Females

8921

F60-64

8921

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

26894

Females

11314

F60-64

11314

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24090

Females

9761

F60-64

9761

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25736

Females

10679

F60-64

10679

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25555

Females

10601

F60-64

10601

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22679

Females

9148

F60-64

9148

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19598

Females

7586

F60-64

7586

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22128

Females

9042

F60-64

9042

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20869

Females

8439

F60-64

8439

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20198

Females

8159

F60-64

8159

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

20024

Females

8106

F60-64

8106

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21085

Females

8713

F60-64

8713

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22353

Females

9336

F60-64

9336

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22719

Females

9531

F60-64

9531

Passing Analysis

Category:
Athletes Passed
1753
Passed By
3749
Net Change
-1996
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21395
5K → 10K88703-615#21395#22010
10K → 15K102483-2473#22010#24483
15K → 20K18072+108#24483#24375
20K → Half1198-87#24375#24462
Half → 25K37288-251#24462#24713
25K → 30K34812+336#24713#24377
30K → 20M2981+297#24377#24080
20M → 21M12218+104#24080#23976
21M → 35K1284+124#23976#23852
35K → 23M1931+192#23852#23660
23M → 24M1501+149#23660#23511
24M → 40K1159+106#23511#23405
40K → 25.2M3423+11#23405#23394
25.2M → Finish3936+3#23394#23391
TOTALS17533749-1996
📊

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