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BOSTON MARATHON 2025

Toru Tosa

Bib: 8990•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:24
Rank: #4340
Start → 5K
20:24 | 6:34/mi
10K· 6.21 mi
41:24
Rank: #5039 (-699)
5K → 10K
21:00 | 6:46/mi
15K· 9.32 mi
1:02:38
Rank: #5451 (-412)
10K → 15K
21:14 | 6:50/mi
20K· 12.43 mi
1:25:59
Rank: #6978 (-1527)
15K → 20K
23:21 | 7:31/mi
Half· 13.11 mi
1:31:05
Rank: #7176 (-198)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:52:31
Rank: #9057 (-1881)
Half → 25K
21:26 | 8:50/mi
30K· 18.64 mi
2:26:16
Rank: #13456 (-4399)
25K → 30K
33:45 | 10:52/mi
20M
2:45:18
Rank: #16279 (-2823)
30K → 20M
19:02 | 14:00/mi
21M
3:00:22
Rank: #17956 (-1677)
20M → 21M
15:04 | 15:04/mi
35K· 21.75 mi
3:08:34
Rank: #18359 (-403)
21M → 35K
8:12 | 10:58/mi
23M
3:20:58
Rank: #18510 (-151)
35K → 23M
12:24 | 9:54/mi
24M
3:30:39
Rank: #18627 (-117)
23M → 24M
9:41 | 9:41/mi
40K· 24.85 mi
3:39:55
Rank: #18882 (-255)
24M → 40K
9:16 | 10:50/mi
25.2M
3:44:25
Rank: #19061 (-179)
40K → 25.2M
4:30 | 13:03/mi
Finish· 26.22 mi
3:54:46
Rank: #19285 (-224)
25.2M → Finish
10:21 | 10:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:05
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time2:23:41
Pace10:58 /mi
📊Positive Split: 57.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:3120:246:3420:24
6:34
-
10K
6.21 mi11:06:3141:246:4021:00
6:46
+0:12
15K
9.32 mi11:27:451:02:386:4321:14
6:50
+0:04
20K
12.43 mi11:51:061:25:596:5523:21
7:31
+0:41
Half
13.11 mi11:56:121:31:056:575:06
7:29
-0:02
25K
15.53 mi12:17:381:52:317:1521:26
8:50
+1:21
30K
18.64 mi12:51:232:26:167:5133:45
10:52
+2:02
20M
20.00 mi13:10:252:45:188:1619:02
14:00
+3:08
21M
21.00 mi13:25:293:00:228:3515:04
15:04
+1:04
35K
21.75 mi13:33:413:08:348:408:12
10:58
-4:06
23M
23.00 mi13:46:053:20:588:4412:24
9:54
-1:04
24M
24.00 mi13:55:463:30:398:479:41
9:41
-0:13
40K
24.85 mi14:05:023:39:558:519:16
10:50
+1:09
25.2M
25.20 mi14:09:323:44:258:544:30
13:03
+2:13
Finish
26.22 mi14:19:533:54:468:5810:21
10:09
-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

6:34 /mi

Average Pace

8:58 /mi

Slowest Pace

15:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:05

39% of race

Time at Steady Pace

1:45:05

45% of race

Time at Slower Pace

38:36

16% of race

Average Pace: 8:57 /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 mi10:45:3120:246:3420:24
6:34
#4340
10K
6.21 mi11:06:3141:246:4021:00
6:46
#5039
15K
9.32 mi11:27:451:02:386:4321:14
6:50
#5451
20K
12.43 mi11:51:061:25:596:5523:21
7:31
#6978
Half
13.11 mi11:56:121:31:056:575:06
7:29
#7176
25K
15.53 mi12:17:381:52:317:1521:26
8:50
#9057
30K
18.64 mi12:51:232:26:167:5133:45
10:52
#13456
20M
20.00 mi13:10:252:45:188:1619:02
14:00
#16279
21M
21.00 mi13:25:293:00:228:3515:04
15:04
#17956
35K
21.75 mi13:33:413:08:348:408:12
10:58
#18359
23M
23.00 mi13:46:053:20:588:4412:24
9:54
#18510
24M
24.00 mi13:55:463:30:398:479:41
9:41
#18627
40K
24.85 mi14:05:023:39:558:519:16
10:50
#18882
25.2M
25.20 mi14:09:323:44:258:544:30
13:03
#19061
Finish
26.22 mi14:19:533:54:468:5810:21
10:09
#19285
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4340408140816448(Top 23%)5831(Top 36%)5831(Top 260%)
10K6.21 mi3.10 mi5039-6994698-6174698-6175977(Top 21%)5471(Top 34%)5471(Top 243%)
15K9.32 mi3.11 mi5451-4125043-3455043-3456448(Top 23%)5831(Top 36%)5831(Top 260%)
20K12.43 mi3.11 mi6978-15276260-12176260-121710889(Top 38%)8450(Top 52%)8450(Top 376%)
Half13.11 mi0.68 mi7176-1986403-1436403-14311499(Top 40%)8809(Top 55%)8809(Top 392%)
25K15.53 mi2.42 mi9057-18817559-11567559-115619141(Top 67%)12039(Top 75%)12039(Top 536%)
30K18.64 mi3.11 mi13456-43999628-20699628-206923732(Top 84%)13949(Top 87%)13949(Top 621%)
20M20.00 mi1.36 mi16279-282310810-118210810-118227299(Top 96%)15523(Top 96%)15523(Top 691%)
21M21.00 mi1.00 mi17956-167711497-68711497-68727207(Top 96%)15460(Top 96%)15460(Top 688%)
35K21.75 mi0.75 mi18359-40311651-15411651-15424104(Top 85%)13921(Top 86%)13921(Top 620%)
23M23.00 mi1.25 mi18510-15111688-3711688-3720154(Top 71%)11974(Top 74%)11974(Top 533%)
24M24.00 mi1.00 mi18627-11711714-2611714-2620311(Top 72%)12010(Top 75%)12010(Top 534%)
40K24.85 mi0.85 mi18882-25511795-8111795-8122750(Top 80%)13110(Top 81%)13110(Top 583%)
25.2M25.20 mi0.35 mi19061-17911865-7011865-7025088(Top 88%)14286(Top 89%)14286(Top 636%)
Finish26.22 mi1.02 mi19285-22411945-8011945-8023388(Top 82%)13459(Top 84%)13459(Top 599%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6448

Males

5831

M40-44

5831

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5977

Males

5471

M40-44

5471

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6448

Males

5831

M40-44

5831

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10889

Males

8450

M40-44

8450

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11499

Males

8809

M40-44

8809

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19141

Males

12039

M40-44

12039

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

23732

Males

13949

M40-44

13949

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

27299

Males

15523

M40-44

15523

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

27207

Males

15460

M40-44

15460

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24104

Males

13921

M40-44

13921

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20154

Males

11974

M40-44

11974

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

20311

Males

12010

M40-44

12010

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22750

Males

13110

M40-44

13110

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25088

Males

14286

M40-44

14286

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23388

Males

13459

M40-44

13459

Passing Analysis

Category:
Athletes Passed
227
Passed By
15170
Net Change
-14945
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4340
5K → 10K13712-699#4340#5039
10K → 15K34446-412#5039#5451
15K → 20K61533-1527#5451#6978
20K → Half1199-198#6978#7176
Half → 25K51886-1881#7176#9057
25K → 30K24399-4399#9057#13456
30K → 20M32826-2823#13456#16279
20M → 21M31680-1677#16279#17956
21M → 35K15418-403#17956#18359
35K → 23M70221-151#18359#18510
23M → 24M35152-117#18510#18627
24M → 40K26281-255#18627#18882
40K → 25.2M5184-179#18882#19061
25.2M → Finish9233-224#19061#19285
TOTALS22715170-14945
📊

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