All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Masachika Hayashi

Bib: 4115 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
20:29
3.11 mi
Rank: #4951
Start → 5K
20:29 | 6:36/mi
10K
41:08
6.21 mi
Rank: #5153 (-202)
5K → 10K
20:39 | 6:39/mi
15K
1:02:04
9.32 mi
Rank: #5454 (-301)
10K → 15K
20:56 | 6:45/mi
20K
1:23:11
12.43 mi
Rank: #5579 (-125)
15K → 20K
21:07 | 6:48/mi
HALF
1:27:50
13.11 mi
Rank: #5651 (-72)
20K → HALF
4:39 | 6:50/mi
25K
1:45:32
15.53 mi
Rank: #6433 (-782)
HALF → 25K
17:42 | 7:18/mi
30K
2:10:55
18.64 mi
Rank: #7883 (-1450)
25K → 30K
25:23 | 8:11/mi
20M
2:24:07
20.00 mi
Rank: #9069 (-1186)
30K → 20M
13:12 | 9:44/mi
21M
2:34:33
21.00 mi
Rank: #10021 (-952)
20M → 21M
10:26 | 10:26/mi
35K
2:42:01
21.75 mi
Rank: #10834 (-813)
21M → 35K
7:28 | 9:59/mi
23M
2:54:57
23.00 mi
Rank: #11975 (-1141)
35K → 23M
12:56 | 10:21/mi
24M
3:05:23
24.00 mi
Rank: #12865 (-890)
23M → 24M
10:26 | 10:26/mi
40K
3:14:51
24.85 mi
Rank: #13670 (-805)
24M → 40K
9:28 | 11:05/mi
25.2M
3:18:57
25.20 mi
Rank: #13992 (-322)
40K → 25.2M
4:06 | 11:54/mi
FINISH
3:29:29
26.22 mi
Rank: #14775 (-783)
25.2M → FINISH
10:32 | 10:21/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:27:50
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time2:01:39
Pace9:17 /mi
📊Positive Split: 38.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3220:296:3620:29
6:36
-
10K
6.21 mi10:43:1141:086:3820:39
6:39
+0:03
15K
9.32 mi11:04:071:02:046:4020:56
6:45
+0:06
20K
12.43 mi11:25:141:23:116:4221:07
6:48
+0:03
HALF
13.11 mi11:29:531:27:506:434:39
6:50
+0:02
25K
15.53 mi11:47:351:45:326:4817:42
7:18
+0:28
30K
18.64 mi12:12:582:10:557:0225:23
8:11
+0:53
20M
20.00 mi12:26:102:24:077:1313:12
9:44
+1:33
21M
21.00 mi12:36:362:34:337:2210:26
10:26
+0:42
35K
21.75 mi12:44:042:42:017:277:28
9:59
-0:27
23M
23.00 mi12:57:002:54:577:3712:56
10:21
+0:22
24M
24.00 mi13:07:263:05:237:4410:26
10:26
+0:05
40K
24.85 mi13:16:543:14:517:519:28
11:05
+0:39
25.2M
25.20 mi13:21:003:18:577:544:06
11:54
+0:49
FINISH
26.22 mi13:31:323:29:298:0010:32
10:21
-1:33

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:36 /mi

Average Pace

8:00 /mi

Slowest Pace

11:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:10:55

62% of race

Time at Steady Pace

1:05:00

31% of race

Time at Slower Pace

13:34

6% of race

Average Pace: 7:59 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:3220:296:3620:29
6:36
#4951
10K
6.21 mi10:43:1141:086:3820:39
6:39
#5153
15K
9.32 mi11:04:071:02:046:4020:56
6:45
#5454
20K
12.43 mi11:25:141:23:116:4221:07
6:48
#5579
HALF
13.11 mi11:29:531:27:506:434:39
6:50
#5651
25K
15.53 mi11:47:351:45:326:4817:42
7:18
#6433
30K
18.64 mi12:12:582:10:557:0225:23
8:11
#7883
20M
20.00 mi12:26:102:24:077:1313:12
9:44
#9069
21M
21.00 mi12:36:362:34:337:2210:26
10:26
#10021
35K
21.75 mi12:44:042:42:017:277:28
9:59
#10834
23M
23.00 mi12:57:002:54:577:3712:56
10:21
#11975
24M
24.00 mi13:07:263:05:237:4410:26
10:26
#12865
40K
24.85 mi13:16:543:14:517:519:28
11:05
#13670
25.2M
25.20 mi13:21:003:18:577:544:06
11:54
#13992
FINISH
26.22 mi13:31:323:29:298:0010:32
10:21
#14775
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4951462846286206(Top 21%)5595(Top 34%)5595(Top 232%)
10K6.21 mi3.10 mi5153-2024802-1744802-1745455(Top 19%)5037(Top 31%)5037(Top 209%)
15K9.32 mi3.11 mi5454-3015052-2505052-2506206(Top 21%)5595(Top 34%)5595(Top 232%)
20K12.43 mi3.11 mi5579-1255145-935145-936183(Top 21%)5553(Top 34%)5553(Top 230%)
HALF13.11 mi0.68 mi5651-725202-575202-577362(Top 25%)6447(Top 39%)6447(Top 267%)
25K15.53 mi2.42 mi6433-7825770-5685770-5689704(Top 33%)7703(Top 47%)7703(Top 319%)
30K18.64 mi3.11 mi7883-14506760-9906760-99014728(Top 51%)9860(Top 60%)9860(Top 409%)
20M20.00 mi1.36 mi9069-11867433-6737433-67321765(Top 75%)12946(Top 79%)12946(Top 537%)
21M21.00 mi1.00 mi10021-9527886-4537886-45321752(Top 75%)12898(Top 79%)12898(Top 535%)
35K21.75 mi0.75 mi10834-8138265-3798265-37923083(Top 80%)13500(Top 83%)13500(Top 559%)
23M23.00 mi1.25 mi11975-11418780-5158780-51522973(Top 79%)13383(Top 82%)13383(Top 555%)
24M24.00 mi1.00 mi12865-8909149-3699149-36923929(Top 82%)13799(Top 84%)13799(Top 572%)
40K24.85 mi0.85 mi13670-8059462-3139462-31324378(Top 84%)13961(Top 85%)13961(Top 579%)
25.2M25.20 mi0.35 mi13992-3229585-1239585-12324205(Top 83%)13869(Top 85%)13869(Top 575%)
FINISH26.22 mi1.02 mi14775-7839887-3029887-30224658(Top 85%)14116(Top 86%)14116(Top 585%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21
+97ft-345ft

Overall

6206

Males

5595

M45-49

5595

5K→10K

3.1 - 6.2 mi

Top 19%
×5
+79ft-138ft

Overall

5455

Males

5037

M45-49

5037

10K→15K

6.2 - 9.3 mi

Top 21%
×3
+67ft-78ft

Overall

6206

Males

5595

M45-49

5595

15K→20K

9.3 - 12.4 mi

Top 21%
×5
+106ft-86ft

Overall

6183

Males

5553

M45-49

5553

20K→HALF

12.4 - 13.1 mi

Top 25%
×2
+19ft-37ft

Overall

7362

Males

6447

M45-49

6447

HALF→25K

13.1 - 15.5 mi

Top 33%
×4
+66ft-88ft

Overall

9704

Males

7703

M45-49

7703

25K→30K

15.5 - 18.6 mi

Top 51%
×9
+181ft-148ft

Overall

14728

Males

9860

M45-49

9860

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21765

Males

12946

M45-49

12946

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21752

Males

12898

M45-49

12898

21M→35K

21.0 - 21.8 mi

Top 80%
×7
+17ft-86ft

Overall

23083

Males

13500

M45-49

13500

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

22973

Males

13383

M45-49

13383

23M→24M

23.0 - 24.0 mi

Top 82%
×6
+12ft-82ft

Overall

23929

Males

13799

M45-49

13799

24M→40K

24.0 - 24.9 mi

Top 84%
×1
+6ft-20ft

Overall

24378

Males

13961

M45-49

13961

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1
+13ft-16ft

Overall

24205

Males

13869

M45-49

13869

25.2M→FINISH

25.2 - 26.2 mi

Top 85%
×2
+22ft-21ft

Overall

24658

Males

14116

M45-49

14116

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
284
Passed By
2672
Net Change
-9824
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4951
5K → 10K98200-202#4951#5153
10K → 15K41200-301#5153#5454
15K → 20K70195-125#5454#5579
20K → HALF577-72#5579#5651
HALF → 25K23200-782#5651#6433
25K → 30K10200-1450#6433#7883
30K → 20M2200-1186#7883#9069
20M → 21M2200-952#9069#10021
21M → 35K8200-813#10021#10834
35K → 23M5200-1141#10834#11975
23M → 24M8200-890#11975#12865
24M → 40K7200-805#12865#13670
40K → 25.2M2200-322#13670#13992
25.2M → FINISH3200-783#13992#14775
TOTALS2842672-9824
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...
Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
Shareable via link — view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

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

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

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