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BOSTON MARATHON 2025

Makiko Tanaka

Bib: 23747•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:40
Rank: #22029
Start → 5K
27:40 | 8:54/mi
10K· 6.21 mi
55:43
Rank: #22294 (-265)
5K → 10K
28:03 | 9:02/mi
15K· 9.32 mi
1:25:32
Rank: #23005 (-711)
10K → 15K
29:49 | 9:36/mi
20K· 12.43 mi
1:57:44
Rank: #23671 (-666)
15K → 20K
32:12 | 10:22/mi
Half· 13.11 mi
2:04:24
Rank: #23713 (-42)
20K → Half
6:40 | 9:46/mi
25K· 15.53 mi
2:29:58
Rank: #23860 (-147)
Half → 25K
25:34 | 10:33/mi
30K· 18.64 mi
3:07:13
Rank: #24327 (-467)
25K → 30K
37:15 | 11:59/mi
20M
3:22:41
Rank: #24332 (-5)
30K → 20M
15:28 | 11:23/mi
21M
3:35:00
Rank: #24326 (+6)
20M → 21M
12:19 | 12:19/mi
35K· 21.75 mi
3:43:50
Rank: #24388 (-62)
21M → 35K
8:50 | 11:48/mi
23M
3:56:17
Rank: #24184 (+204)
35K → 23M
12:27 | 9:57/mi
24M
4:05:57
Rank: #24035 (+149)
23M → 24M
9:40 | 9:40/mi
40K· 24.85 mi
4:14:36
Rank: #23937 (+98)
24M → 40K
8:39 | 10:07/mi
25.2M
4:18:41
Rank: #23922 (+15)
40K → 25.2M
4:05 | 11:50/mi
Finish· 26.22 mi
4:27:47
Rank: #23791 (+131)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:24
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:23:23
Pace10:56 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:5727:408:5427:40
8:54
-
10K
6.21 mi11:55:0055:438:5828:03
9:02
+0:08
15K
9.32 mi12:24:491:25:329:1129:49
9:36
+0:34
20K
12.43 mi12:57:011:57:449:2832:12
10:22
+0:46
Half
13.11 mi13:03:412:04:249:296:40
9:46
-0:36
25K
15.53 mi13:29:152:29:589:3925:34
10:33
+0:47
30K
18.64 mi14:06:303:07:1310:0337:15
11:59
+1:26
20M
20.00 mi14:21:583:22:4110:0815:28
11:23
-0:36
21M
21.00 mi14:34:173:35:0010:1412:19
12:19
+0:56
35K
21.75 mi14:43:073:43:5010:188:50
11:48
-0:31
23M
23.00 mi14:55:343:56:1710:1612:27
9:57
-1:51
24M
24.00 mi15:05:144:05:5710:159:40
9:40
-0:17
40K
24.85 mi15:13:534:14:3610:158:39
10:07
+0:27
25.2M
25.20 mi15:17:584:18:4110:164:05
11:50
+1:43
Finish
26.22 mi15:27:044:27:4710:139:06
8:56
-2:54

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

8:54 /mi

Average Pace

10:13 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:49

24% of race

Time at Steady Pace

2:05:01

47% of race

Time at Slower Pace

1:17:57

29% of race

Average Pace: 10:13 /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 mi11:26:5727:408:5427:40
8:54
#22029
10K
6.21 mi11:55:0055:438:5828:03
9:02
#22294
15K
9.32 mi12:24:491:25:329:1129:49
9:36
#23005
20K
12.43 mi12:57:011:57:449:2832:12
10:22
#23671
Half
13.11 mi13:03:412:04:249:296:40
9:46
#23713
25K
15.53 mi13:29:152:29:589:3925:34
10:33
#23860
30K
18.64 mi14:06:303:07:1310:0337:15
11:59
#24327
20M
20.00 mi14:21:583:22:4110:0815:28
11:23
#24332
21M
21.00 mi14:34:173:35:0010:1412:19
12:19
#24326
35K
21.75 mi14:43:073:43:5010:188:50
11:48
#24388
23M
23.00 mi14:55:343:56:1710:1612:27
9:57
#24184
24M
24.00 mi15:05:144:05:5710:159:40
9:40
#24035
40K
24.85 mi15:13:534:14:3610:158:39
10:07
#23937
25.2M
25.20 mi15:17:584:18:4110:164:05
11:50
#23922
Finish
26.22 mi15:27:044:27:4710:139:06
8:56
#23791
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi220298644864424009(Top 85%)9674(Top 79%)9674(Top 742%)
10K6.21 mi3.10 mi22294-2658778-1348778-13422506(Top 79%)8870(Top 73%)8870(Top 681%)
15K9.32 mi3.11 mi23005-7119130-3529130-35224009(Top 85%)9674(Top 79%)9674(Top 742%)
20K12.43 mi3.11 mi23671-6669500-3709500-37024948(Top 88%)10227(Top 84%)10227(Top 785%)
Half13.11 mi0.68 mi23713-429529-299529-2924330(Top 86%)9892(Top 81%)9892(Top 759%)
25K15.53 mi2.42 mi23860-1479621-929621-9224458(Top 86%)9992(Top 82%)9992(Top 767%)
30K18.64 mi3.11 mi24327-4679910-2899910-28925587(Top 90%)10720(Top 88%)10720(Top 823%)
20M20.00 mi1.36 mi24332-59927-179927-1724337(Top 86%)10133(Top 83%)10133(Top 778%)
21M21.00 mi1.00 mi24326+69944-179944-1724130(Top 85%)10099(Top 83%)10099(Top 775%)
35K21.75 mi0.75 mi24388-629984-409984-4025588(Top 90%)10893(Top 89%)10893(Top 836%)
23M23.00 mi1.25 mi24184+2049898+869898+8620316(Top 72%)8213(Top 67%)8213(Top 630%)
24M24.00 mi1.00 mi24035+1499829+699829+6920302(Top 71%)8249(Top 67%)8249(Top 633%)
40K24.85 mi0.85 mi23937+989785+449785+4420865(Top 73%)8600(Top 70%)8600(Top 660%)
25.2M25.20 mi0.35 mi23922+159784+19784+122926(Top 81%)9626(Top 79%)9626(Top 739%)
Finish26.22 mi1.02 mi23791+1319729+559729+5518723(Top 66%)7458(Top 61%)7458(Top 572%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24009

Females

9674

F50-54

9674

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22506

Females

8870

F50-54

8870

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24009

Females

9674

F50-54

9674

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

24948

Females

10227

F50-54

10227

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24330

Females

9892

F50-54

9892

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24458

Females

9992

F50-54

9992

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25587

Females

10720

F50-54

10720

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24337

Females

10133

F50-54

10133

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

24130

Females

10099

F50-54

10099

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25588

Females

10893

F50-54

10893

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20316

Females

8213

F50-54

8213

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20302

Females

8249

F50-54

8249

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20865

Females

8600

F50-54

8600

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22926

Females

9626

F50-54

9626

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18723

Females

7458

F50-54

7458

Passing Analysis

Category:
Athletes Passed
1140
Passed By
2902
Net Change
-1762
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22029
5K → 10K155420-265#22029#22294
10K → 15K40751-711#22294#23005
15K → 20K37703-666#23005#23671
20K → Half1355-42#23671#23713
Half → 25K75222-147#23713#23860
25K → 30K41508-467#23860#24327
30K → 20M5964-5#24327#24332
20M → 21M7165+6#24332#24326
21M → 35K2183-62#24326#24388
35K → 23M2073+204#24388#24184
23M → 24M1490+149#24184#24035
24M → 40K1079+98#24035#23937
40K → 25.2M3015+15#23937#23922
25.2M → Finish1354+131#23922#23791
TOTALS11402902-1762
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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