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BOSTON MARATHON 2025

Misaki Cho

Bib: 20438•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
8:53/mi
27:35
↑ 97↓ 3451.5%
10K· 6.21 mi
8:58/mi
55:26
↑ 79↓ 1380.4%
15K· 9.32 mi
9:06/mi
1:23:42
↑ 67↓ 78
20K· 12.43 mi
9:26/mi
1:53:00
↑ 106↓ 860.1%
Half· 13.11 mi
9:17/mi
1:59:20
↑ 19↓ 370.5%
25K· 15.53 mi
9:37/mi
2:22:38
↑ 66↓ 880.2%
30K· 18.64 mi
10:11/mi
2:54:16
↑ 181↓ 1480.2%
20M
10:12/mi
3:08:07
↑ 64↓ 500.2%
21M
11:09/mi
3:19:16
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
3:27:01
↑ 17↓ 861.7%
23M
10:02/mi
3:39:35
↑ 23↓ 630.6%
24M
10:26/mi
3:50:01
↓ 821.3%
40K· 24.85 mi
9:58/mi
3:58:32
↓ 200.3%
25.2M
11:59/mi
4:02:40
↑ 13↓ 160.2%
Finish· 26.22 mi
9:36/mi
4:12:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:20
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:13:07
Pace10:09 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0627:358:5327:35
8:53
-
10K
6.21 mi11:47:5755:268:5527:51
8:58
+0:05
15K
9.32 mi12:16:131:23:428:5928:16
9:06
+0:08
20K
12.43 mi12:45:311:53:009:0629:18
9:26
+0:20
Half
13.11 mi12:51:511:59:209:066:20
9:17
-0:09
25K
15.53 mi13:15:092:22:389:1123:18
9:37
+0:20
30K
18.64 mi13:46:472:54:169:2131:38
10:11
+0:34
20M
20.00 mi14:00:383:08:079:2413:51
10:12
+0:01
21M
21.00 mi14:11:473:19:169:2911:09
11:09
+0:57
35K
21.75 mi14:19:323:27:019:317:45
10:22
-0:47
23M
23.00 mi14:32:063:39:359:3312:34
10:02
-0:20
24M
24.00 mi14:42:323:50:019:3510:26
10:26
+0:24
40K
24.85 mi14:51:033:58:329:368:31
9:58
-0:28
25.2M
25.20 mi14:55:114:02:409:384:08
11:59
+2:01
Finish
26.22 mi15:04:584:12:279:389:47
9:36
-2:23

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

8:53 /mi

Average Pace

9:38 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:20

47% of race

Time at Steady Pace

1:47:24

43% of race

Time at Slower Pace

25:43

10% of race

Average Pace: 9:38 /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 mi11:20:0627:358:5327:35
8:53
#21902
10K
6.21 mi11:47:5755:268:5527:51
8:58
#22063
15K
9.32 mi12:16:131:23:428:5928:16
9:06
#22199
20K
12.43 mi12:45:311:53:009:0629:18
9:26
#22331
Half
13.11 mi12:51:511:59:209:066:20
9:17
#22360
25K
15.53 mi13:15:092:22:389:1123:18
9:37
#22371
30K
18.64 mi13:46:472:54:169:2131:38
10:11
#22323
20M
20.00 mi14:00:383:08:079:2413:51
10:12
#22272
21M
21.00 mi14:11:473:19:169:2911:09
11:09
#22207
35K
21.75 mi14:19:323:27:019:317:45
10:22
#22240
23M
23.00 mi14:32:063:39:359:3312:34
10:02
#22119
24M
24.00 mi14:42:323:50:019:3510:26
10:26
#22137
40K
24.85 mi14:51:033:58:329:368:31
9:58
#22066
25.2M
25.20 mi14:55:114:02:409:384:08
11:59
#22076
Finish
26.22 mi15:04:584:12:279:389:47
9:36
#22055
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi219028574857422457(Top 79%)8806(Top 72%)8806(Top 513%)
10K6.21 mi3.10 mi22063-1618650-768650-7622235(Top 78%)8731(Top 71%)8731(Top 508%)
15K9.32 mi3.11 mi22199-1368700-508700-5022457(Top 79%)8806(Top 72%)8806(Top 513%)
20K12.43 mi3.11 mi22331-1328778-788778-7822684(Top 80%)8969(Top 73%)8969(Top 522%)
Half13.11 mi0.68 mi22360-298802-248802-2422921(Top 81%)9099(Top 74%)9099(Top 530%)
25K15.53 mi2.42 mi22371-118796+68796+622228(Top 78%)8774(Top 72%)8774(Top 511%)
30K18.64 mi3.11 mi22323+488810-148810-1422147(Top 78%)8846(Top 72%)8846(Top 515%)
20M20.00 mi1.36 mi22272+518802+88802+821557(Top 76%)8662(Top 71%)8662(Top 504%)
21M21.00 mi1.00 mi22207+658781+218781+2121784(Top 77%)8856(Top 72%)8856(Top 515%)
35K21.75 mi0.75 mi22240-338815-348815-3422853(Top 80%)9466(Top 77%)9466(Top 551%)
23M23.00 mi1.25 mi22119+1218785+308785+3020624(Top 73%)8368(Top 68%)8368(Top 487%)
24M24.00 mi1.00 mi22137-188813-288813-2822644(Top 80%)9453(Top 77%)9453(Top 550%)
40K24.85 mi0.85 mi22066+718795+188795+1820368(Top 72%)8348(Top 68%)8348(Top 486%)
25.2M25.20 mi0.35 mi22076-108807-128807-1223219(Top 82%)9770(Top 80%)9770(Top 569%)
Finish26.22 mi1.02 mi22055+218811-48811-421571(Top 76%)8947(Top 73%)8947(Top 521%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22457

Females

8806

F40-44

8806

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22235

Females

8731

F40-44

8731

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22457

Females

8806

F40-44

8806

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

22684

Females

8969

F40-44

8969

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

22921

Females

9099

F40-44

9099

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22228

Females

8774

F40-44

8774

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22147

Females

8846

F40-44

8846

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21557

Females

8662

F40-44

8662

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21784

Females

8856

F40-44

8856

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22853

Females

9466

F40-44

9466

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20624

Females

8368

F40-44

8368

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22644

Females

9453

F40-44

9453

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20368

Females

8348

F40-44

8348

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23219

Females

9770

F40-44

9770

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

21571

Females

8947

F40-44

8947

Passing Analysis

Category:
Athletes Passed
1434
Passed By
1587
Net Change
-153
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21902
5K → 10K183344-161#21902#22063
10K → 15K147283-136#22063#22199
15K → 20K143275-132#22199#22331
20K → Half2655-29#22331#22360
Half → 25K139150-11#22360#22371
25K → 30K206158+48#22371#22323
30K → 20M9443+51#22323#22272
20M → 21M10742+65#22272#22207
21M → 35K3568-33#22207#22240
35K → 23M14524+121#22240#22119
23M → 24M3856-18#22119#22137
24M → 40K8817+71#22137#22066
40K → 25.2M2030-10#22066#22076
25.2M → Finish6342+21#22076#22055
TOTALS14341587-153
📊

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