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BOSTON MARATHON 2026

John Lasalle

Bib: 29127•M

NY

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0:00
0:00
/ mi
Masters
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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
28:05
3.11 mi
Rank: #22838
Start → 5K
28:05 | 9:03/mi
10K
55:47
6.21 mi
Rank: #22623 (+215)
5K → 10K
27:42 | 8:55/mi
15K
1:23:32
9.32 mi
Rank: #22567 (+56)
10K → 15K
27:45 | 8:56/mi
20K
1:50:52
12.43 mi
Rank: #22121 (+446)
15K → 20K
27:20 | 8:48/mi
HALF
1:56:51
13.11 mi
Rank: #22107 (+14)
20K → HALF
5:59 | 8:47/mi
25K
2:18:24
15.53 mi
Rank: #21840 (+267)
HALF → 25K
21:33 | 8:54/mi
30K
2:46:23
18.64 mi
Rank: #21422 (+418)
25K → 30K
27:59 | 9:01/mi
20M
2:58:31
20.00 mi
Rank: #21211 (+211)
30K → 20M
12:08 | 8:56/mi
21M
3:07:59
21.00 mi
Rank: #21053 (+158)
20M → 21M
9:28 | 9:28/mi
35K
3:14:46
21.75 mi
Rank: #21030 (+23)
21M → 35K
6:47 | 9:05/mi
23M
3:26:25
23.00 mi
Rank: #20965 (+65)
35K → 23M
11:39 | 9:19/mi
24M
3:35:30
24.00 mi
Rank: #20922 (+43)
23M → 24M
9:05 | 9:05/mi
40K
3:43:30
24.85 mi
Rank: #20881 (+41)
24M → 40K
8:00 | 9:22/mi
25.2M
3:46:54
25.20 mi
Rank: #20841 (+40)
40K → 25.2M
3:24 | 9:52/mi
FINISH
3:55:57
26.22 mi
Rank: #20840 (+1)
25.2M → FINISH
9:03 | 8:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:56:51
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time1:59:06
Pace9:06 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0128:059:0328:05
9:03
-
10K
6.21 mi12:18:4355:478:5927:42
8:55
-0:08
15K
9.32 mi12:46:281:23:328:5827:45
8:56
+0:01
20K
12.43 mi13:13:481:50:528:5627:20
8:48
-0:08
HALF
13.11 mi13:19:471:56:518:555:59
8:47
-0:01
25K
15.53 mi13:41:202:18:248:5521:33
8:54
+0:07
30K
18.64 mi14:09:192:46:238:5627:59
9:01
+0:07
20M
20.00 mi14:21:272:58:318:5612:08
8:56
-0:05
21M
21.00 mi14:30:553:07:598:589:28
9:28
+0:32
35K
21.75 mi14:37:423:14:468:586:47
9:05
-0:23
23M
23.00 mi14:49:213:26:258:5911:39
9:19
+0:14
24M
24.00 mi14:58:263:35:308:599:05
9:05
-0:14
40K
24.85 mi15:06:263:43:309:008:00
9:22
+0:17
25.2M
25.20 mi15:09:503:46:549:013:24
9:52
+0:30
FINISH
26.22 mi15:18:533:55:579:019:03
8:53
-0:59

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

8:47 /mi

Average Pace

9:00 /mi

Slowest Pace

9:52 /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

3:52:33

99% of race

Time at Steady Pace

3:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:00 /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 mi11:51:0128:059:0328:05
9:03
#22838
10K
6.21 mi12:18:4355:478:5927:42
8:55
#22623
15K
9.32 mi12:46:281:23:328:5827:45
8:56
#22567
20K
12.43 mi13:13:481:50:528:5627:20
8:48
#22121
HALF
13.11 mi13:19:471:56:518:555:59
8:47
#22107
25K
15.53 mi13:41:202:18:248:5521:33
8:54
#21840
30K
18.64 mi14:09:192:46:238:5627:59
9:01
#21422
20M
20.00 mi14:21:272:58:318:5612:08
8:56
#21211
21M
21.00 mi14:30:553:07:598:589:28
9:28
#21053
35K
21.75 mi14:37:423:14:468:586:47
9:05
#21030
23M
23.00 mi14:49:213:26:258:5911:39
9:19
#20965
24M
24.00 mi14:58:263:35:308:599:05
9:05
#20922
40K
24.85 mi15:06:263:43:309:008:00
9:22
#20881
25.2M
25.20 mi15:09:503:46:549:013:24
9:52
#20841
FINISH
26.22 mi15:18:533:55:579:019:03
8:53
#20840
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 mi22838136501365022354(Top 77%)13455(Top 82%)13455(Top 558%)
10K6.21 mi3.10 mi22623+21513557+9313557+9322457(Top 77%)13480(Top 82%)13480(Top 559%)
15K9.32 mi3.11 mi22567+5613534+2313534+2322354(Top 77%)13455(Top 82%)13455(Top 558%)
20K12.43 mi3.11 mi22121+44613307+22713307+22720952(Top 72%)12747(Top 78%)12747(Top 528%)
HALF13.11 mi0.68 mi22107+1413299+813299+821658(Top 75%)13100(Top 80%)13100(Top 543%)
25K15.53 mi2.42 mi21840+26713166+13313166+13320639(Top 71%)12566(Top 77%)12566(Top 521%)
30K18.64 mi3.11 mi21422+41812945+22112945+22119613(Top 68%)11988(Top 73%)11988(Top 497%)
20M20.00 mi1.36 mi21211+21112818+12712818+12718609(Top 64%)11462(Top 70%)11462(Top 475%)
21M21.00 mi1.00 mi21053+15812735+8312735+8318362(Top 63%)11308(Top 69%)11308(Top 469%)
35K21.75 mi0.75 mi21030+2312727+812727+820267(Top 70%)12119(Top 74%)12119(Top 502%)
23M23.00 mi1.25 mi20965+6512686+4112686+4119862(Top 68%)11870(Top 73%)11870(Top 492%)
24M24.00 mi1.00 mi20922+4312656+3012656+3019795(Top 68%)11775(Top 72%)11775(Top 488%)
40K24.85 mi0.85 mi20881+4112622+3412622+3419861(Top 68%)11780(Top 72%)11780(Top 488%)
25.2M25.20 mi0.35 mi20841+4012595+2712595+2718845(Top 65%)11311(Top 69%)11311(Top 469%)
FINISH26.22 mi1.02 mi20840+112588+712588+719981(Top 69%)11843(Top 72%)11843(Top 491%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22354

Males

13455

M45-49

13455

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22457

Males

13480

M45-49

13480

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22354

Males

13455

M45-49

13455

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

20952

Males

12747

M45-49

12747

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21658

Males

13100

M45-49

13100

HALF→25K

13.1 - 15.5 mi

Top 71%
×4
+66ft-88ft

Overall

20639

Males

12566

M45-49

12566

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19613

Males

11988

M45-49

11988

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18609

Males

11462

M45-49

11462

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18362

Males

11308

M45-49

11308

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20267

Males

12119

M45-49

12119

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19862

Males

11870

M45-49

11870

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19795

Males

11775

M45-49

11775

24M→40K

24.0 - 24.9 mi

Top 68%
×1
+6ft-20ft

Overall

19861

Males

11780

M45-49

11780

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1
+13ft-16ft

Overall

18845

Males

11311

M45-49

11311

25.2M→FINISH

25.2 - 26.2 mi

Top 69%
×2
+22ft-21ft

Overall

19981

Males

11843

M45-49

11843

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2589
Passed By
591
Net Change
+1998
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22838
5K → 10K390175+215#22838#22623
10K → 15K182126+56#22623#22567
15K → 20K46216+446#22567#22121
20K → HALF3117+14#22121#22107
HALF → 25K28619+267#22107#21840
25K → 30K42911+418#21840#21422
30K → 20M2165+211#21422#21211
20M → 21M1679+158#21211#21053
21M → 35K6037+23#21053#21030
35K → 23M11348+65#21030#20965
23M → 24M7431+43#20965#20922
24M → 40K7231+41#20922#20881
40K → 25.2M488+40#20881#20841
25.2M → FINISH5958+1#20841#20840
TOTALS2589591+1998
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing