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BOSTON MARATHON 2025

Saito Gon

Bib: 12007•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:44
Rank: #10531
Start → 5K
22:44 | 7:19/mi
10K· 6.21 mi
45:46
Rank: #10911 (-380)
5K → 10K
23:02 | 7:25/mi
15K· 9.32 mi
1:09:19
Rank: #11416 (-505)
10K → 15K
23:33 | 7:35/mi
20K· 12.43 mi
1:33:10
Rank: #11605 (-189)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:38:20
Rank: #11646 (-41)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:57:21
Rank: #11804 (-158)
Half → 25K
19:01 | 7:51/mi
30K· 18.64 mi
2:24:36
Rank: #12711 (-907)
25K → 30K
27:15 | 8:46/mi
20M
2:36:29
Rank: #12939 (-228)
30K → 20M
11:53 | 8:45/mi
21M
2:46:12
Rank: #13196 (-257)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
2:52:35
Rank: #13291 (-95)
21M → 35K
6:23 | 8:32/mi
23M
3:03:31
Rank: #13361 (-70)
35K → 23M
10:56 | 8:44/mi
24M
3:11:54
Rank: #13364 (-3)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:19:29
Rank: #13450 (-86)
24M → 40K
7:35 | 8:52/mi
25.2M
3:23:03
Rank: #13560 (-110)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
3:31:07
Rank: #13514 (+46)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:20
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:52:47
Pace8:36 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3222:447:1922:44
7:19
-
10K
6.21 mi11:20:3445:467:2223:02
7:25
+0:06
15K
9.32 mi11:44:071:09:197:2623:33
7:35
+0:10
20K
12.43 mi12:07:581:33:107:3023:51
7:41
+0:06
Half
13.11 mi12:13:081:38:207:305:10
7:34
-0:07
25K
15.53 mi12:32:091:57:217:3319:01
7:51
+0:17
30K
18.64 mi12:59:242:24:367:4527:15
8:46
+0:55
20M
20.00 mi13:11:172:36:297:4911:53
8:45
-0:01
21M
21.00 mi13:21:002:46:127:559:43
9:43
+0:58
35K
21.75 mi13:27:232:52:357:566:23
8:32
-1:11
23M
23.00 mi13:38:193:03:317:5910:56
8:44
+0:12
24M
24.00 mi13:46:423:11:548:008:23
8:23
-0:21
40K
24.85 mi13:54:173:19:298:027:35
8:52
+0:29
25.2M
25.20 mi13:57:513:23:038:033:34
10:21
+1:29
Finish
26.22 mi14:05:553:31:078:038:04
7:55
-2:26

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

7:19 /mi

Average Pace

8:03 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:25

59% of race

Time at Steady Pace

1:04:50

31% of race

Time at Slower Pace

20:52

10% of race

Average Pace: 8:03 /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 mi10:57:3222:447:1922:44
7:19
#10531
10K
6.21 mi11:20:3445:467:2223:02
7:25
#10911
15K
9.32 mi11:44:071:09:197:2623:33
7:35
#11416
20K
12.43 mi12:07:581:33:107:3023:51
7:41
#11605
Half
13.11 mi12:13:081:38:207:305:10
7:34
#11646
25K
15.53 mi12:32:091:57:217:3319:01
7:51
#11804
30K
18.64 mi12:59:242:24:367:4527:15
8:46
#12711
20M
20.00 mi13:11:172:36:297:4911:53
8:45
#12939
21M
21.00 mi13:21:002:46:127:559:43
9:43
#13196
35K
21.75 mi13:27:232:52:357:566:23
8:32
#13291
23M
23.00 mi13:38:193:03:317:5910:56
8:44
#13361
24M
24.00 mi13:46:423:11:548:008:23
8:23
#13364
40K
24.85 mi13:54:173:19:298:027:35
8:52
#13450
25.2M
25.20 mi13:57:513:23:038:033:34
10:21
#13560
Finish
26.22 mi14:05:553:31:078:038:04
7:55
#13514
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi105318460846012416(Top 44%)9262(Top 58%)9262(Top 464%)
10K6.21 mi3.10 mi10911-3808621-1618621-16111305(Top 40%)8807(Top 55%)8807(Top 441%)
15K9.32 mi3.11 mi11416-5058849-2288849-22812416(Top 44%)9262(Top 58%)9262(Top 464%)
20K12.43 mi3.11 mi11605-1898906-578906-5712191(Top 43%)9059(Top 56%)9059(Top 454%)
Half13.11 mi0.68 mi11646-418933-278933-2712311(Top 43%)9166(Top 57%)9166(Top 459%)
25K15.53 mi2.42 mi11804-1588953-208953-2012679(Top 45%)9160(Top 57%)9160(Top 459%)
30K18.64 mi3.11 mi12711-9079302-3499302-34916417(Top 58%)10670(Top 66%)10670(Top 535%)
20M20.00 mi1.36 mi12939-2289359-579359-5715315(Top 54%)10051(Top 62%)10051(Top 504%)
21M21.00 mi1.00 mi13196-2579439-809439-8017078(Top 60%)10723(Top 67%)10723(Top 537%)
35K21.75 mi0.75 mi13291-959466-279466-2715626(Top 55%)9994(Top 62%)9994(Top 501%)
23M23.00 mi1.25 mi13361-709452+149452+1414713(Top 52%)9491(Top 59%)9491(Top 476%)
24M24.00 mi1.00 mi13364-39429+239429+2313746(Top 48%)9024(Top 56%)9024(Top 452%)
40K24.85 mi0.85 mi13450-869444-159444-1515545(Top 55%)9679(Top 60%)9679(Top 485%)
25.2M25.20 mi0.35 mi13560-1109473-299473-2918379(Top 65%)10987(Top 68%)10987(Top 550%)
Finish26.22 mi1.02 mi13514+469431+429431+4212274(Top 43%)8177(Top 51%)8177(Top 410%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12416

Males

9262

M50-54

9262

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11305

Males

8807

M50-54

8807

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12416

Males

9262

M50-54

9262

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12191

Males

9059

M50-54

9059

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12311

Males

9166

M50-54

9166

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12679

Males

9160

M50-54

9160

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16417

Males

10670

M50-54

10670

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15315

Males

10051

M50-54

10051

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17078

Males

10723

M50-54

10723

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15626

Males

9994

M50-54

9994

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14713

Males

9491

M50-54

9491

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13746

Males

9024

M50-54

9024

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15545

Males

9679

M50-54

9679

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18379

Males

10987

M50-54

10987

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12274

Males

8177

M50-54

8177

Passing Analysis

Category:
Athletes Passed
1000
Passed By
3983
Net Change
-2983
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10531
5K → 10K122502-380#10531#10911
10K → 15K76581-505#10911#11416
15K → 20K121310-189#11416#11605
20K → Half2162-41#11605#11646
Half → 25K119277-158#11646#11804
25K → 30K70977-907#11804#12711
30K → 20M73301-228#12711#12939
20M → 21M40297-257#12939#13196
21M → 35K39134-95#13196#13291
35K → 23M82152-70#13291#13361
23M → 24M7881-3#13361#13364
24M → 40K52138-86#13364#13450
40K → 25.2M16126-110#13450#13560
25.2M → Finish9145+46#13560#13514
TOTALS10003983-2983
📊

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