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BOSTON MARATHON 2025

Zhihua Chen

Bib: 24363•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
10:20/mi
32:06
↑ 97↓ 3451.5%
10K· 6.21 mi
10:23/mi
1:04:22
↑ 79↓ 1380.4%
15K· 9.32 mi
10:07/mi
1:35:48
↑ 67↓ 78
20K· 12.43 mi
10:44/mi
2:09:10
↑ 106↓ 860.1%
Half· 13.11 mi
11:01/mi
2:16:41
↑ 19↓ 370.5%
25K· 15.53 mi
10:30/mi
2:42:09
↑ 66↓ 880.2%
30K· 18.64 mi
11:26/mi
3:17:39
↑ 181↓ 1480.2%
20M
11:55/mi
3:33:50
↑ 64↓ 500.2%
21M
13:11/mi
3:47:01
↑ 106↓ 241.6%
35K· 21.75 mi
12:27/mi
3:56:20
↑ 17↓ 861.7%
23M
12:27/mi
4:11:55
↑ 23↓ 630.6%
24M
12:47/mi
4:24:42
↓ 821.3%
40K· 24.85 mi
12:26/mi
4:35:20
↓ 200.3%
25.2M
13:09/mi
4:39:52
↑ 13↓ 160.2%
Finish· 26.22 mi
10:57/mi
4:51:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:41
Pace10:26 /mi
2nd Half
Distance13.11 mi
Time2:34:21
Pace11:46 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:4532:0610:2032:06
10:20
-
10K
6.21 mi12:02:011:04:2210:2232:16
10:23
+0:03
15K
9.32 mi12:33:271:35:4810:1731:26
10:07
-0:16
20K
12.43 mi13:06:492:09:1010:2433:22
10:44
+0:37
Half
13.11 mi13:14:202:16:4110:267:31
11:01
+0:17
25K
15.53 mi13:39:482:42:0910:2625:28
10:30
-0:31
30K
18.64 mi14:15:183:17:3910:3635:30
11:26
+0:56
20M
20.00 mi14:31:293:33:5010:4116:11
11:55
+0:29
21M
21.00 mi14:44:403:47:0110:4913:11
13:11
+1:16
35K
21.75 mi14:53:593:56:2010:529:19
12:27
-0:44
23M
23.00 mi15:09:344:11:5510:5715:35
12:27
0:00
24M
24.00 mi15:22:214:24:4211:0212:47
12:47
+0:20
40K
24.85 mi15:32:594:35:2011:0510:38
12:26
-0:21
25.2M
25.20 mi15:37:314:39:5211:064:32
13:09
+0:43
Finish
26.22 mi15:48:414:51:0211:0611:10
10:57
-2:12

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

10:07 /mi

Average Pace

11:06 /mi

Slowest Pace

13:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:38

53% of race

Time at Steady Pace

1:10:22

24% of race

Time at Slower Pace

1:06:02

23% of race

Average Pace: 11:06 /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 mi11:29:4532:0610:2032:06
10:20
#26363
10K
6.21 mi12:02:011:04:2210:2232:16
10:23
#26212
15K
9.32 mi12:33:271:35:4810:1731:26
10:07
#25871
20K
12.43 mi13:06:492:09:1010:2433:22
10:44
#25779
Half
13.11 mi13:14:202:16:4110:267:31
11:01
#25848
25K
15.53 mi13:39:482:42:0910:2625:28
10:30
#25590
30K
18.64 mi14:15:183:17:3910:3635:30
11:26
#25412
20M
20.00 mi14:31:293:33:5010:4116:11
11:55
#25409
21M
21.00 mi14:44:403:47:0110:4913:11
13:11
#25422
35K
21.75 mi14:53:593:56:2010:529:19
12:27
#25454
23M
23.00 mi15:09:344:11:5510:5715:35
12:27
#25478
24M
24.00 mi15:22:214:24:4211:0212:47
12:47
#25572
40K
24.85 mi15:32:594:35:2011:0510:38
12:26
#25596
25.2M
25.20 mi15:37:314:39:5211:064:32
13:09
#25586
Finish
26.22 mi15:48:414:51:0211:0611:10
10:57
#25586
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi26363109541095425234(Top 89%)10362(Top 85%)10362(Top 1042%)
10K6.21 mi3.10 mi26212+15110885+6910885+6926065(Top 92%)10828(Top 89%)10828(Top 1089%)
15K9.32 mi3.11 mi25871+34110707+17810707+17825234(Top 89%)10362(Top 85%)10362(Top 1042%)
20K12.43 mi3.11 mi25779+9210664+4310664+4325600(Top 90%)10590(Top 87%)10590(Top 1065%)
Half13.11 mi0.68 mi25848-6910705-4110705-4126504(Top 93%)11121(Top 91%)11121(Top 1119%)
25K15.53 mi2.42 mi25590+25810566+13910566+13924377(Top 86%)9949(Top 81%)9949(Top 1001%)
30K18.64 mi3.11 mi25412+17810507+5910507+5924743(Top 87%)10263(Top 84%)10263(Top 1032%)
20M20.00 mi1.36 mi25409+310521-1410521-1425123(Top 88%)10547(Top 86%)10547(Top 1061%)
21M21.00 mi1.00 mi25422-1310547-2610547-2625281(Top 89%)10710(Top 88%)10710(Top 1077%)
35K21.75 mi0.75 mi25454-3210568-2110568-2126396(Top 93%)11280(Top 92%)11280(Top 1135%)
23M23.00 mi1.25 mi25478-2410598-3010598-3025723(Top 91%)10965(Top 90%)10965(Top 1103%)
24M24.00 mi1.00 mi25572-9410652-5410652-5426617(Top 94%)11427(Top 93%)11427(Top 1150%)
40K24.85 mi0.85 mi25596-2410680-2810680-2825571(Top 90%)10938(Top 89%)10938(Top 1100%)
25.2M25.20 mi0.35 mi25586+1010681-110681-125212(Top 89%)10799(Top 88%)10799(Top 1086%)
Finish26.22 mi1.02 mi2558610691-1010691-1025272(Top 89%)10784(Top 88%)10784(Top 1085%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25234

Females

10362

F55-59

10362

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26065

Females

10828

F55-59

10828

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25234

Females

10362

F55-59

10362

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25600

Females

10590

F55-59

10590

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

26504

Females

11121

F55-59

11121

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24377

Females

9949

F55-59

9949

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24743

Females

10263

F55-59

10263

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

25123

Females

10547

F55-59

10547

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25281

Females

10710

F55-59

10710

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

26396

Females

11280

F55-59

11280

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25723

Females

10965

F55-59

10965

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26617

Females

11427

F55-59

11427

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25571

Females

10938

F55-59

10938

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25212

Females

10799

F55-59

10799

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25272

Females

10784

F55-59

10784

Passing Analysis

Category:
Athletes Passed
1506
Passed By
729
Net Change
+777
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26363
5K → 10K24897+151#26363#26212
10K → 15K35716+341#26212#25871
15K → 20K17078+92#25871#25779
20K → Half574-69#25779#25848
Half → 25K2635+258#25848#25590
25K → 30K21335+178#25590#25412
30K → 20M5956+3#25412#25409
20M → 21M4558-13#25409#25422
21M → 35K1446-32#25422#25454
35K → 23M3458-24#25454#25478
23M → 24M16110-94#25478#25572
24M → 40K2751-24#25572#25596
40K → 25.2M199+10#25596#25586
25.2M → Finish36360#25586#25586
TOTALS1506729+777
📊

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