Boston Marathon logo
BOSTON MARATHON 2024

Takuya Niitsuma

Bib: 1287•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 3%
Gender (Male)
#0 / 14578
Top 5%
Masters (Masters Men)
#0 / 9729
Top 1%
Division (M45-49)
#0 / 2218
Top 2%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:37
Rank: #320
Start → 5K
17:37 | 5:40/mi
10K· 6.21 mi
35:32
Rank: #364 (-44)
5K → 10K
17:55 | 5:46/mi
15K· 9.32 mi
53:48
Rank: #391 (-27)
10K → 15K
18:16 | 5:53/mi
20K· 12.43 mi
1:12:21
Rank: #420 (-29)
15K → 20K
18:33 | 5:58/mi
Half· 13.11 mi
1:16:17
Rank: #414 (+6)
20K → Half
3:56 | 5:46/mi
25K· 15.53 mi
1:30:53
Rank: #415 (-1)
Half → 25K
14:36 | 6:01/mi
30K· 18.64 mi
1:51:03
Rank: #463 (-48)
25K → 30K
20:10 | 6:29/mi
20M
2:00:52
Rank: #562 (-99)
30K → 20M
9:49 | 7:13/mi
21M
2:07:57
Rank: #577 (-15)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:12:48
Rank: #591 (-14)
21M → 35K
4:51 | 6:29/mi
23M
2:21:52
Rank: #664 (-73)
35K → 23M
9:04 | 7:14/mi
24M
2:28:58
Rank: #699 (-35)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:35:18
Rank: #749 (-50)
24M → 40K
6:20 | 7:24/mi
25.2M
2:38:17
Rank: #782 (-33)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
2:45:51
Rank: #841 (-59)
25.2M → Finish
7:34 | 7:26/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:17
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:29:34
Pace6:50 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5217:375:4017:37
5:40
-
10K
6.21 mi10:35:4735:325:4317:55
5:46
+0:06
15K
9.32 mi10:54:0353:485:4618:16
5:53
+0:07
20K
12.43 mi11:12:361:12:215:4918:33
5:58
+0:05
Half
13.11 mi11:16:321:16:175:493:56
5:46
-0:12
25K
15.53 mi11:31:081:30:535:5114:36
6:01
+0:15
30K
18.64 mi11:51:181:51:035:5720:10
6:29
+0:28
20M
20.00 mi12:01:072:00:526:039:49
7:13
+0:44
21M
21.00 mi12:08:122:07:576:067:05
7:05
-0:08
35K
21.75 mi12:13:032:12:486:064:51
6:29
-0:36
23M
23.00 mi12:22:072:21:526:109:04
7:14
+0:45
24M
24.00 mi12:29:132:28:586:127:06
7:06
-0:08
40K
24.85 mi12:35:332:35:186:156:20
7:24
+0:18
25.2M
25.20 mi12:38:322:38:176:172:59
8:39
+1:15
Finish
26.22 mi12:46:062:45:516:207:34
7:26
-1:13

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

5:40 /mi

Average Pace

6:20 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:53

55% of race

Time at Steady Pace

25:01

15% of race

Time at Slower Pace

49:57

30% of race

Average Pace: 6:20 /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 mi10:17:5217:375:4017:37
5:40
#320
10K
6.21 mi10:35:4735:325:4317:55
5:46
#364
15K
9.32 mi10:54:0353:485:4618:16
5:53
#391
20K
12.43 mi11:12:361:12:215:4918:33
5:58
#420
Half
13.11 mi11:16:321:16:175:493:56
5:46
#414
25K
15.53 mi11:31:081:30:535:5114:36
6:01
#415
30K
18.64 mi11:51:181:51:035:5720:10
6:29
#463
20M
20.00 mi12:01:072:00:526:039:49
7:13
#562
21M
21.00 mi12:08:122:07:576:067:05
7:05
#577
35K
21.75 mi12:13:032:12:486:064:51
6:29
#591
23M
23.00 mi12:22:072:21:526:109:04
7:14
#664
24M
24.00 mi12:29:132:28:586:127:06
7:06
#699
40K
24.85 mi12:35:332:35:186:156:20
7:24
#749
25.2M
25.20 mi12:38:322:38:176:172:59
8:39
#782
Finish
26.22 mi12:46:062:45:516:207:34
7:26
#841
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi320299299505(Top 2%)483(Top 3%)483(Top 22%)
10K6.21 mi3.10 mi364-44343-44343-44403(Top 2%)381(Top 3%)381(Top 17%)
15K9.32 mi3.11 mi391-27369-26369-26505(Top 2%)483(Top 3%)483(Top 22%)
20K12.43 mi3.11 mi420-29398-29398-29528(Top 2%)505(Top 3%)505(Top 23%)
Half13.11 mi0.68 mi414+6392+6392+6341(Top 1%)321(Top 2%)321(Top 14%)
25K15.53 mi2.42 mi415-1393-1393-1499(Top 2%)472(Top 3%)472(Top 21%)
30K18.64 mi3.11 mi463-48440-47440-471024(Top 4%)980(Top 7%)980(Top 44%)
20M20.00 mi1.36 mi562-99536-96536-963219(Top 13%)2920(Top 20%)2920(Top 132%)
21M21.00 mi1.00 mi577-15549-13549-131256(Top 5%)1188(Top 8%)1188(Top 54%)
35K21.75 mi0.75 mi591-14562-13562-131188(Top 5%)1122(Top 8%)1122(Top 51%)
23M23.00 mi1.25 mi664-73634-72634-722684(Top 11%)2400(Top 16%)2400(Top 108%)
24M24.00 mi1.00 mi699-35667-33667-332632(Top 10%)2320(Top 16%)2320(Top 105%)
40K24.85 mi0.85 mi749-50717-50717-503140(Top 12%)2651(Top 18%)2651(Top 120%)
25.2M25.20 mi0.35 mi782-33750-33750-334965(Top 19%)3686(Top 25%)3686(Top 166%)
Finish26.22 mi1.02 mi841-59801-51801-515164(Top 20%)3877(Top 27%)3877(Top 175%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

505

Males

483

M45-49

483

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

403

Males

381

M45-49

381

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

505

Males

483

M45-49

483

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

528

Males

505

M45-49

505

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

341

Males

321

M45-49

321

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

499

Males

472

M45-49

472

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1024

Males

980

M45-49

980

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3219

Males

2920

M45-49

2920

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1256

Males

1188

M45-49

1188

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1188

Males

1122

M45-49

1122

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2684

Males

2400

M45-49

2400

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2632

Males

2320

M45-49

2320

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3140

Males

2651

M45-49

2651

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4965

Males

3686

M45-49

3686

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5164

Males

3877

M45-49

3877

Passing Analysis

Category:
Athletes Passed
134
Passed By
655
Net Change
-521
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#320
5K → 10K1256-44#320#364
10K → 15K532-27#364#391
15K → 20K1443-29#391#420
20K → Half71+6#420#414
Half → 25K2324-1#414#415
25K → 30K1664-48#415#463
30K → 20M2101-99#463#562
20M → 21M1833-15#562#577
21M → 35K519-14#577#591
35K → 23M881-73#591#664
23M → 24M1348-35#664#699
24M → 40K656-50#699#749
40K → 25.2M033-33#749#782
25.2M → Finish564-59#782#841
TOTALS134655-521
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing