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BOSTON MARATHON 2025

Akira Nakada

Bib: 7821•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Masters (Masters Men)
#0 / 10463
Top 27%
Division (M50-54)
#0 / 1996
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:12/mi
22:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
44:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:14/mi
1:07:01
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:29:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:34:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:11/mi
1:52:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:21/mi
2:15:12
↑ 181↓ 1480.2%
20M
7:16/mi
2:25:05
↑ 64↓ 500.2%
21M
7:45/mi
2:32:50
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:38:26
↑ 17↓ 861.7%
23M
7:38/mi
2:47:59
↑ 23↓ 630.6%
24M
7:17/mi
2:55:16
↓ 821.3%
40K· 24.85 mi
7:35/mi
3:01:45
↓ 200.3%
25.2M
8:16/mi
3:04:36
↑ 13↓ 160.2%
Finish· 26.22 mi
7:21/mi
3:12:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:58
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:37:07
Pace7:25 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:0822:217:1222:21
7:12
-
10K
6.21 mi10:53:2144:347:1022:13
7:09
-0:03
15K
9.32 mi11:15:481:07:017:1122:27
7:14
+0:05
20K
12.43 mi11:38:461:29:597:1422:58
7:24
+0:10
Half
13.11 mi11:43:451:34:587:154:59
7:18
-0:06
25K
15.53 mi12:01:091:52:227:1417:24
7:11
-0:07
30K
18.64 mi12:23:592:15:127:1522:50
7:21
+0:10
20M
20.00 mi12:33:522:25:057:159:53
7:16
-0:05
21M
21.00 mi12:41:372:32:507:177:45
7:45
+0:29
35K
21.75 mi12:47:132:38:267:175:36
7:29
-0:16
23M
23.00 mi12:56:462:47:597:189:33
7:38
+0:09
24M
24.00 mi13:04:032:55:167:187:17
7:17
-0:21
40K
24.85 mi13:10:323:01:457:196:29
7:35
+0:18
25.2M
25.20 mi13:13:233:04:367:202:51
8:16
+0:41
Finish
26.22 mi13:20:523:12:057:207:29
7:21
-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

7:09 /mi

Average Pace

7:20 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:14

99% of race

Time at Steady Pace

2:51

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi10:31:0822:217:1222:21
7:12
#9391
10K
6.21 mi10:53:2144:347:1022:13
7:09
#9205
15K
9.32 mi11:15:481:07:017:1122:27
7:14
#9245
20K
12.43 mi11:38:461:29:597:1422:58
7:24
#9344
Half
13.11 mi11:43:451:34:587:154:59
7:18
#9367
25K
15.53 mi12:01:091:52:227:1417:24
7:11
#8972
30K
18.64 mi12:23:592:15:127:1522:50
7:21
#8446
20M
20.00 mi12:33:522:25:057:159:53
7:16
#8164
21M
21.00 mi12:41:372:32:507:177:45
7:45
#7945
35K
21.75 mi12:47:132:38:267:175:36
7:29
#7935
23M
23.00 mi12:56:462:47:597:189:33
7:38
#7837
24M
24.00 mi13:04:032:55:167:187:17
7:17
#7733
40K
24.85 mi13:10:323:01:457:196:29
7:35
#7683
25.2M
25.20 mi13:13:233:04:367:202:51
8:16
#7652
Finish
26.22 mi13:20:523:12:057:207:29
7:21
#7630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9391781978199320(Top 33%)7718(Top 48%)7718(Top 387%)
10K6.21 mi3.10 mi9205+1867721+987721+989067(Top 32%)7641(Top 47%)7641(Top 383%)
15K9.32 mi3.11 mi9245-407723-27723-29320(Top 33%)7718(Top 48%)7718(Top 387%)
20K12.43 mi3.11 mi9344-997750-277750-279820(Top 35%)7904(Top 49%)7904(Top 396%)
Half13.11 mi0.68 mi9367-237756-67756-69940(Top 35%)7962(Top 49%)7962(Top 399%)
25K15.53 mi2.42 mi8972+3957511+2457511+2457419(Top 26%)6390(Top 40%)6390(Top 320%)
30K18.64 mi3.11 mi8446+5267146+3657146+3656744(Top 24%)5813(Top 36%)5813(Top 291%)
20M20.00 mi1.36 mi8164+2826943+2036943+2035614(Top 20%)4914(Top 31%)4914(Top 246%)
21M21.00 mi1.00 mi7945+2196768+1756768+1755907(Top 21%)5007(Top 31%)5007(Top 251%)
35K21.75 mi0.75 mi7935+106738+306738+308463(Top 30%)6555(Top 41%)6555(Top 328%)
23M23.00 mi1.25 mi7837+986636+1026636+1027408(Top 26%)5811(Top 36%)5811(Top 291%)
24M24.00 mi1.00 mi7733+1046540+966540+966296(Top 22%)5096(Top 32%)5096(Top 255%)
40K24.85 mi0.85 mi7683+506472+686472+687273(Top 26%)5579(Top 35%)5579(Top 280%)
25.2M25.20 mi0.35 mi7652+316434+386434+387371(Top 26%)5536(Top 34%)5536(Top 277%)
Finish26.22 mi1.02 mi7630+226392+426392+428043(Top 28%)5928(Top 37%)5928(Top 297%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9320

Males

7718

M50-54

7718

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

9067

Males

7641

M50-54

7641

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9320

Males

7718

M50-54

7718

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9820

Males

7904

M50-54

7904

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9940

Males

7962

M50-54

7962

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7419

Males

6390

M50-54

6390

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6744

Males

5813

M50-54

5813

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5614

Males

4914

M50-54

4914

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5907

Males

5007

M50-54

5007

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8463

Males

6555

M50-54

6555

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7408

Males

5811

M50-54

5811

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

6296

Males

5096

M50-54

5096

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7273

Males

5579

M50-54

5579

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7371

Males

5536

M50-54

5536

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

8043

Males

5928

M50-54

5928

Passing Analysis

Category:
Athletes Passed
2665
Passed By
904
Net Change
+1761
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9391
5K → 10K336150+186#9391#9205
10K → 15K147187-40#9205#9245
15K → 20K149248-99#9245#9344
20K → Half2043-23#9344#9367
Half → 25K4038+395#9367#8972
25K → 30K54620+526#8972#8446
30K → 20M2853+282#8446#8164
20M → 21M23213+219#8164#7945
21M → 35K6252+10#7945#7935
35K → 23M14244+98#7935#7837
23M → 24M13026+104#7837#7733
24M → 40K9242+50#7733#7683
40K → 25.2M4716+31#7683#7652
25.2M → Finish7452+22#7652#7630
TOTALS2665904+1761
📊

Passing Visuals

Category:
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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