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BOSTON MARATHON 2026

Tomonari Furukawa

Bib: 18925•M

VA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 36%
Gender (Male)
#0 / 16340
Top 48%
Masters (Masters Men)
#0 / 10617
Top 37%
Age Group (M55-59)
#0 / 1491
Top 20%
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
22:13
3.11 mi
Rank: #9739
Start → 5K
22:13 | 7:10/mi
10K
44:15
6.21 mi
Rank: #9499 (+240)
5K → 10K
22:02 | 7:06/mi
15K
1:06:30
9.32 mi
Rank: #9552 (-53)
10K → 15K
22:15 | 7:10/mi
20K
1:29:01
12.43 mi
Rank: #9550 (+2)
15K → 20K
22:31 | 7:15/mi
HALF
1:33:55
13.11 mi
Rank: #9575 (-25)
20K → HALF
4:54 | 7:12/mi
25K
1:51:47
15.53 mi
Rank: #9667 (-92)
HALF → 25K
17:52 | 7:23/mi
30K
2:15:27
18.64 mi
Rank: #9779 (-112)
25K → 30K
23:40 | 7:38/mi
20M
2:26:01
20.00 mi
Rank: #9858 (-79)
30K → 20M
10:34 | 7:47/mi
21M
2:34:21
21.00 mi
Rank: #9937 (-79)
20M → 21M
8:20 | 8:20/mi
35K
2:39:51
21.75 mi
Rank: #9902 (+35)
21M → 35K
5:30 | 7:22/mi
23M
2:49:37
23.00 mi
Rank: #9925 (-23)
35K → 23M
9:46 | 7:49/mi
24M
2:57:13
24.00 mi
Rank: #9951 (-26)
23M → 24M
7:36 | 7:36/mi
40K
3:03:59
24.85 mi
Rank: #10020 (-69)
24M → 40K
6:46 | 7:55/mi
25.2M
3:07:02
25.20 mi
Rank: #10064 (-44)
40K → 25.2M
3:03 | 8:51/mi
FINISH
3:15:20
26.22 mi
Rank: #10340 (-276)
25.2M → FINISH
8:18 | 8:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:33:55
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:41:25
Pace7:45 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:2022:137:1022:13
7:10
-
10K
6.21 mi11:27:2244:157:0822:02
7:06
-0:04
15K
9.32 mi11:49:371:06:307:0922:15
7:10
+0:04
20K
12.43 mi12:12:081:29:017:1022:31
7:15
+0:05
HALF
13.11 mi12:17:021:33:557:104:54
7:12
-0:03
25K
15.53 mi12:34:541:51:477:1217:52
7:23
+0:11
30K
18.64 mi12:58:342:15:277:1623:40
7:38
+0:15
20M
20.00 mi13:09:082:26:017:1910:34
7:47
+0:09
21M
21.00 mi13:17:282:34:217:228:20
8:20
+0:33
35K
21.75 mi13:22:582:39:517:225:30
7:22
-0:58
23M
23.00 mi13:32:442:49:377:239:46
7:49
+0:27
24M
24.00 mi13:40:202:57:137:247:36
7:36
-0:13
40K
24.85 mi13:47:063:03:597:256:46
7:55
+0:19
25.2M
25.20 mi13:50:093:07:027:263:03
8:51
+0:56
FINISH
26.22 mi13:58:273:15:207:288:18
8:09
-0:42

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

7:06 /mi

Average Pace

7:27 /mi

Slowest Pace

8:51 /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

1:33:55

48% of race

Time at Steady Pace

1:14:58

38% of race

Time at Slower Pace

26:27

14% of race

Average Pace: 7:27 /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 mi11:05:2022:137:1022:13
7:10
#9739
10K
6.21 mi11:27:2244:157:0822:02
7:06
#9499
15K
9.32 mi11:49:371:06:307:0922:15
7:10
#9552
20K
12.43 mi12:12:081:29:017:1022:31
7:15
#9550
HALF
13.11 mi12:17:021:33:557:104:54
7:12
#9575
25K
15.53 mi12:34:541:51:477:1217:52
7:23
#9667
30K
18.64 mi12:58:342:15:277:1623:40
7:38
#9779
20M
20.00 mi13:09:082:26:017:1910:34
7:47
#9858
21M
21.00 mi13:17:282:34:217:228:20
8:20
#9937
35K
21.75 mi13:22:582:39:517:225:30
7:22
#9902
23M
23.00 mi13:32:442:49:377:239:46
7:49
#9925
24M
24.00 mi13:40:202:57:137:247:36
7:36
#9951
40K
24.85 mi13:47:063:03:597:256:46
7:55
#10020
25.2M
25.20 mi13:50:093:07:027:263:03
8:51
#10064
FINISH
26.22 mi13:58:273:15:207:288:18
8:09
#10340
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9739794579459776(Top 34%)7909(Top 48%)7909(Top 530%)
10K6.21 mi3.10 mi9499+2407824+1217824+1219357(Top 32%)7711(Top 47%)7711(Top 517%)
15K9.32 mi3.11 mi9552-537833-97833-99776(Top 34%)7909(Top 48%)7909(Top 530%)
20K12.43 mi3.11 mi9550+27805+287805+289724(Top 34%)7794(Top 48%)7794(Top 523%)
HALF13.11 mi0.68 mi9575-257819-147819-1410149(Top 35%)8044(Top 49%)8044(Top 540%)
25K15.53 mi2.42 mi9667-927826-77826-710275(Top 35%)7970(Top 49%)7970(Top 535%)
30K18.64 mi3.11 mi9779-1127825+17825+110565(Top 36%)7985(Top 49%)7985(Top 536%)
20M20.00 mi1.36 mi9858-797827-27827-211158(Top 38%)8147(Top 50%)8147(Top 546%)
21M21.00 mi1.00 mi9937-797853-267853-2612045(Top 42%)8447(Top 52%)8447(Top 567%)
35K21.75 mi0.75 mi9902+357819+347819+349700(Top 33%)7326(Top 45%)7326(Top 491%)
23M23.00 mi1.25 mi9925-237798+217798+2111033(Top 38%)7866(Top 48%)7866(Top 528%)
24M24.00 mi1.00 mi9951-267786+127786+1210823(Top 37%)7708(Top 47%)7708(Top 517%)
40K24.85 mi0.85 mi10020-697791-57791-511841(Top 41%)8097(Top 50%)8097(Top 543%)
25.2M25.20 mi0.35 mi10064-447797-67797-613676(Top 47%)8888(Top 54%)8888(Top 596%)
FINISH26.22 mi1.02 mi10340-2767914-1177914-11716035(Top 55%)10005(Top 61%)10005(Top 671%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21
+97ft-345ft

Overall

9776

Males

7909

M55-59

7909

5K→10K

3.1 - 6.2 mi

Top 32%
×5
+79ft-138ft

Overall

9357

Males

7711

M55-59

7711

10K→15K

6.2 - 9.3 mi

Top 34%
×3
+67ft-78ft

Overall

9776

Males

7909

M55-59

7909

15K→20K

9.3 - 12.4 mi

Top 34%
×5
+106ft-86ft

Overall

9724

Males

7794

M55-59

7794

20K→HALF

12.4 - 13.1 mi

Top 35%
×2
+19ft-37ft

Overall

10149

Males

8044

M55-59

8044

HALF→25K

13.1 - 15.5 mi

Top 35%
×4
+66ft-88ft

Overall

10275

Males

7970

M55-59

7970

25K→30K

15.5 - 18.6 mi

Top 36%
×9
+181ft-148ft

Overall

10565

Males

7985

M55-59

7985

30K→20M

18.6 - 20.0 mi

Top 38%
×5
+64ft-50ft

Overall

11158

Males

8147

M55-59

8147

20M→21M

20.0 - 21.0 mi

Top 42%
×8
+106ft-24ft

Overall

12045

Males

8447

M55-59

8447

21M→35K

21.0 - 21.8 mi

Top 33%
×7
+17ft-86ft

Overall

9700

Males

7326

M55-59

7326

35K→23M

21.8 - 23.0 mi

Top 38%
×5
+23ft-63ft

Overall

11033

Males

7866

M55-59

7866

23M→24M

23.0 - 24.0 mi

Top 37%
×6
+12ft-82ft

Overall

10823

Males

7708

M55-59

7708

24M→40K

24.0 - 24.9 mi

Top 41%
×1
+6ft-20ft

Overall

11841

Males

8097

M55-59

8097

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1
+13ft-16ft

Overall

13676

Males

8888

M55-59

8888

25.2M→FINISH

25.2 - 26.2 mi

Top 55%
×2
+22ft-21ft

Overall

16035

Males

10005

M55-59

10005

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1375*
Passed By
1824
Net Change
-601
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9739
5K → 10K380*140+240#9739#9499
10K → 15K125177-53#9499#9552
15K → 20K153151+2#9552#9550
20K → HALF1742-25#9550#9575
HALF → 25K87179-92#9575#9667
25K → 30K140200-112#9667#9779
30K → 20M74152-79#9779#9858
20M → 21M47125-79#9858#9937
21M → 35K7742+35#9937#9902
35K → 23M111134-23#9902#9925
23M → 24M6691-26#9925#9951
24M → 40K58126-69#9951#10020
40K → 25.2M2265-44#10020#10064
25.2M → FINISH18200-276#10064#10340
TOTALS1375*1824-601

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing