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BOSTON MARATHON 2025

Sho Sakakibara

Bib: 1670•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:11
Rank: #1712
Start → 5K
19:11 | 6:10/mi
10K· 6.21 mi
38:13
Rank: #1634 (+78)
5K → 10K
19:02 | 6:08/mi
15K· 9.32 mi
57:17
Rank: #1594 (+40)
10K → 15K
19:04 | 6:08/mi
20K· 12.43 mi
1:16:29
Rank: #1548 (+46)
15K → 20K
19:12 | 6:11/mi
Half· 13.11 mi
1:20:40
Rank: #1550 (-2)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:35:51
Rank: #1554 (-4)
Half → 25K
15:11 | 6:16/mi
30K· 18.64 mi
1:55:42
Rank: #1515 (+39)
25K → 30K
19:51 | 6:23/mi
20M
2:04:40
Rank: #1521 (-6)
30K → 20M
8:58 | 6:36/mi
21M
2:11:29
Rank: #1491 (+30)
20M → 21M
6:49 | 6:49/mi
35K· 21.75 mi
2:16:09
Rank: #1476 (+15)
21M → 35K
4:40 | 6:14/mi
23M
2:24:15
Rank: #1441 (+35)
35K → 23M
8:06 | 6:28/mi
24M
2:30:39
Rank: #1409 (+32)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:36:21
Rank: #1420 (-11)
24M → 40K
5:42 | 6:40/mi
25.2M
2:38:51
Rank: #1429 (-9)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:45:18
Rank: #1426 (+3)
25.2M → Finish
6:27 | 6:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:40
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:24:38
Pace6:27 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3919:116:1019:11
6:10
-
10K
6.21 mi10:38:4138:136:0919:02
6:08
-0:02
15K
9.32 mi10:57:4557:176:0919:04
6:08
0:00
20K
12.43 mi11:16:571:16:296:0919:12
6:11
+0:03
Half
13.11 mi11:21:081:20:406:094:11
6:08
-0:03
25K
15.53 mi11:36:191:35:516:1015:11
6:16
+0:08
30K
18.64 mi11:56:101:55:426:1219:51
6:23
+0:07
20M
20.00 mi12:05:082:04:406:148:58
6:36
+0:13
21M
21.00 mi12:11:572:11:296:166:49
6:49
+0:13
35K
21.75 mi12:16:372:16:096:164:40
6:14
-0:35
23M
23.00 mi12:24:432:24:156:168:06
6:28
+0:14
24M
24.00 mi12:31:072:30:396:176:24
6:24
-0:04
40K
24.85 mi12:36:492:36:216:175:42
6:40
+0:16
25.2M
25.20 mi12:39:192:38:516:182:30
7:15
+0:35
Finish
26.22 mi12:45:462:45:186:196:27
6:20
-0:55

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

6:08 /mi

Average Pace

6:19 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:59

94% of race

Time at Steady Pace

6:49

4% of race

Time at Slower Pace

2:30

2% of race

Average Pace: 6:18 /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 mi10:19:3919:116:1019:11
6:10
#1712
10K
6.21 mi10:38:4138:136:0919:02
6:08
#1634
15K
9.32 mi10:57:4557:176:0919:04
6:08
#1594
20K
12.43 mi11:16:571:16:296:0919:12
6:11
#1548
Half
13.11 mi11:21:081:20:406:094:11
6:08
#1550
25K
15.53 mi11:36:191:35:516:1015:11
6:16
#1554
30K
18.64 mi11:56:101:55:426:1219:51
6:23
#1515
20M
20.00 mi12:05:082:04:406:148:58
6:36
#1521
21M
21.00 mi12:11:572:11:296:166:49
6:49
#1491
35K
21.75 mi12:16:372:16:096:164:40
6:14
#1476
23M
23.00 mi12:24:432:24:156:168:06
6:28
#1441
24M
24.00 mi12:31:072:30:396:176:24
6:24
#1409
40K
24.85 mi12:36:492:36:216:175:42
6:40
#1420
25.2M
25.20 mi12:39:192:38:516:182:30
7:15
#1429
Finish
26.22 mi12:45:462:45:186:196:27
6:20
#1426
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1712162616261549(Top 5%)1472(Top 9%)1472(Top 26%)
10K6.21 mi3.10 mi1634+781555+711555+711567(Top 6%)1490(Top 9%)1490(Top 26%)
15K9.32 mi3.11 mi1594+401517+381517+381549(Top 5%)1472(Top 9%)1472(Top 26%)
20K12.43 mi3.11 mi1548+461470+471470+471494(Top 5%)1416(Top 9%)1416(Top 25%)
Half13.11 mi0.68 mi1550-21472-21472-21650(Top 6%)1569(Top 10%)1569(Top 28%)
25K15.53 mi2.42 mi1554-4147214721703(Top 6%)1618(Top 10%)1618(Top 29%)
30K18.64 mi3.11 mi1515+391435+371435+371507(Top 5%)1426(Top 9%)1426(Top 25%)
20M20.00 mi1.36 mi1521-61440-51440-51996(Top 7%)1886(Top 12%)1886(Top 33%)
21M21.00 mi1.00 mi1491+301411+291411+291578(Top 6%)1487(Top 9%)1487(Top 26%)
35K21.75 mi0.75 mi1476+151396+151396+151365(Top 5%)1292(Top 8%)1292(Top 23%)
23M23.00 mi1.25 mi1441+351361+351361+351358(Top 5%)1277(Top 8%)1277(Top 23%)
24M24.00 mi1.00 mi1409+321329+321329+321638(Top 6%)1525(Top 9%)1525(Top 27%)
40K24.85 mi0.85 mi1420-111341-121341-122207(Top 8%)2022(Top 13%)2022(Top 36%)
25.2M25.20 mi0.35 mi1429-91349-81349-82276(Top 8%)2029(Top 13%)2029(Top 36%)
Finish26.22 mi1.02 mi1426+31347+21347+22004(Top 7%)1841(Top 11%)1841(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1549

Males

1472

M18-39

1472

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1567

Males

1490

M18-39

1490

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1549

Males

1472

M18-39

1472

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1494

Males

1416

M18-39

1416

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1650

Males

1569

M18-39

1569

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1703

Males

1618

M18-39

1618

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1507

Males

1426

M18-39

1426

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1996

Males

1886

M18-39

1886

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1578

Males

1487

M18-39

1487

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1365

Males

1292

M18-39

1292

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1358

Males

1277

M18-39

1277

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1638

Males

1525

M18-39

1525

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2207

Males

2022

M18-39

2022

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2276

Males

2029

M18-39

2029

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

2004

Males

1841

M18-39

1841

Passing Analysis

Category:
Athletes Passed
660
Passed By
374
Net Change
+286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1712
5K → 10K12648+78#1712#1634
10K → 15K7535+40#1634#1594
15K → 20K7125+46#1594#1548
20K → Half1416-2#1548#1550
Half → 25K3741-4#1550#1554
25K → 30K8243+39#1554#1515
30K → 20M3642-6#1515#1521
20M → 21M4414+30#1521#1491
21M → 35K2914+15#1491#1476
35K → 23M5419+35#1476#1441
23M → 24M4715+32#1441#1409
24M → 40K1627-11#1409#1420
40K → 25.2M413-9#1420#1429
25.2M → Finish2522+3#1429#1426
TOTALS660374+286
📊

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