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BOSTON MARATHON 2025

Keiji Kindaichi

Bib: 10666•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 35%
Masters (Masters Men)
#0 / 10463
Top 21%
Division (M45-49)
#0 / 2386
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #7100
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
43:01
Rank: #7312 (-212)
5K → 10K
21:34 | 6:56/mi
15K· 9.32 mi
1:04:41
Rank: #7369 (-57)
10K → 15K
21:40 | 6:58/mi
20K· 12.43 mi
1:26:52
Rank: #7425 (-56)
15K → 20K
22:11 | 7:08/mi
Half· 13.11 mi
1:31:38
Rank: #7422 (+3)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:48:56
Rank: #7340 (+82)
Half → 25K
17:18 | 7:08/mi
30K· 18.64 mi
2:12:05
Rank: #7246 (+94)
25K → 30K
23:09 | 7:27/mi
20M
2:22:05
Rank: #7098 (+148)
30K → 20M
10:00 | 7:22/mi
21M
2:29:55
Rank: #6978 (+120)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:35:07
Rank: #6854 (+124)
21M → 35K
5:12 | 6:57/mi
23M
2:44:18
Rank: #6694 (+160)
35K → 23M
9:11 | 7:20/mi
24M
2:51:27
Rank: #6576 (+118)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:57:39
Rank: #6473 (+103)
24M → 40K
6:12 | 7:15/mi
25.2M
3:00:26
Rank: #6447 (+26)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:07:48
Rank: #6426 (+21)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:38
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:36:10
Pace7:20 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3921:276:5421:27
6:54
-
10K
6.21 mi11:09:1343:016:5521:34
6:56
+0:02
15K
9.32 mi11:30:531:04:416:5621:40
6:58
+0:02
20K
12.43 mi11:53:041:26:526:5922:11
7:08
+0:10
Half
13.11 mi11:57:501:31:386:594:46
6:59
-0:09
25K
15.53 mi12:15:081:48:567:0117:18
7:08
+0:09
30K
18.64 mi12:38:172:12:057:0523:09
7:27
+0:19
20M
20.00 mi12:48:172:22:057:0610:00
7:22
-0:05
21M
21.00 mi12:56:072:29:557:087:50
7:50
+0:28
35K
21.75 mi13:01:192:35:077:085:12
6:57
-0:53
23M
23.00 mi13:10:302:44:187:099:11
7:20
+0:23
24M
24.00 mi13:17:392:51:277:097:09
7:09
-0:11
40K
24.85 mi13:23:512:57:397:096:12
7:15
+0:06
25.2M
25.20 mi13:26:383:00:267:102:47
8:04
+0:49
Finish
26.22 mi13:34:003:07:487:107:22
7:14
-0:50

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

6:54 /mi

Average Pace

7:10 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:11

94% of race

Time at Steady Pace

10:37

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:47:3921:276:5421:27
6:54
#7100
10K
6.21 mi11:09:1343:016:5521:34
6:56
#7312
15K
9.32 mi11:30:531:04:416:5621:40
6:58
#7369
20K
12.43 mi11:53:041:26:526:5922:11
7:08
#7425
Half
13.11 mi11:57:501:31:386:594:46
6:59
#7422
25K
15.53 mi12:15:081:48:567:0117:18
7:08
#7340
30K
18.64 mi12:38:172:12:057:0523:09
7:27
#7246
20M
20.00 mi12:48:172:22:057:0610:00
7:22
#7098
21M
21.00 mi12:56:072:29:557:087:50
7:50
#6978
35K
21.75 mi13:01:192:35:077:085:12
6:57
#6854
23M
23.00 mi13:10:302:44:187:099:11
7:20
#6694
24M
24.00 mi13:17:392:51:277:097:09
7:09
#6576
40K
24.85 mi13:23:512:57:397:096:12
7:15
#6473
25.2M
25.20 mi13:26:383:00:267:102:47
8:04
#6447
Finish
26.22 mi13:34:003:07:487:107:22
7:14
#6426
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7100637963797446(Top 26%)6572(Top 41%)6572(Top 275%)
10K6.21 mi3.10 mi7312-2126523-1446523-1447535(Top 27%)6663(Top 41%)6663(Top 279%)
15K9.32 mi3.11 mi7369-576552-296552-297446(Top 26%)6572(Top 41%)6572(Top 275%)
20K12.43 mi3.11 mi7425-566577-256577-257733(Top 27%)6698(Top 42%)6698(Top 281%)
Half13.11 mi0.68 mi7422+36574+36574+37418(Top 26%)6508(Top 40%)6508(Top 273%)
25K15.53 mi2.42 mi7340+826500+746500+747179(Top 25%)6238(Top 39%)6238(Top 261%)
30K18.64 mi3.11 mi7246+946381+1196381+1197376(Top 26%)6200(Top 38%)6200(Top 260%)
20M20.00 mi1.36 mi7098+1486252+1296252+1296116(Top 22%)5272(Top 33%)5272(Top 221%)
21M21.00 mi1.00 mi6978+1206136+1166136+1166353(Top 22%)5289(Top 33%)5289(Top 222%)
35K21.75 mi0.75 mi6854+1246035+1016035+1015040(Top 18%)4407(Top 27%)4407(Top 185%)
23M23.00 mi1.25 mi6694+1605884+1515884+1515630(Top 20%)4755(Top 30%)4755(Top 199%)
24M24.00 mi1.00 mi6576+1185774+1105774+1105494(Top 19%)4591(Top 29%)4591(Top 192%)
40K24.85 mi0.85 mi6473+1035683+915683+915338(Top 19%)4439(Top 28%)4439(Top 186%)
25.2M25.20 mi0.35 mi6447+265648+355648+356248(Top 22%)4881(Top 30%)4881(Top 205%)
Finish26.22 mi1.02 mi6426+215612+365612+367193(Top 25%)5440(Top 34%)5440(Top 228%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7446

Males

6572

M45-49

6572

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7535

Males

6663

M45-49

6663

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7446

Males

6572

M45-49

6572

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7733

Males

6698

M45-49

6698

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7418

Males

6508

M45-49

6508

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7179

Males

6238

M45-49

6238

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7376

Males

6200

M45-49

6200

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6116

Males

5272

M45-49

5272

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6353

Males

5289

M45-49

5289

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5040

Males

4407

M45-49

4407

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5630

Males

4755

M45-49

4755

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5494

Males

4591

M45-49

4591

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5338

Males

4439

M45-49

4439

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6248

Males

4881

M45-49

4881

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7193

Males

5440

M45-49

5440

Passing Analysis

Category:
Athletes Passed
1723
Passed By
1049
Net Change
+674
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7100
5K → 10K121333-212#7100#7312
10K → 15K116173-57#7312#7369
15K → 20K113169-56#7369#7425
20K → Half2825+3#7425#7422
Half → 25K14563+82#7422#7340
25K → 30K215121+94#7340#7246
30K → 20M17325+148#7246#7098
20M → 21M14222+120#7098#6978
21M → 35K1273+124#6978#6854
35K → 23M17919+160#6854#6694
23M → 24M13416+118#6694#6576
24M → 40K11411+103#6576#6473
40K → 25.2M4216+26#6473#6447
25.2M → Finish7453+21#6447#6426
TOTALS17231049+674
📊

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