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BOSTON MARATHON 2026

David Islas

Bib: 19578•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 39%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 41%
Division (M55-59)
#0 / 1491
Top 25%
Race Day Weather
51°/41°F
overcast 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
7:14/mi
22:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:11/mi
44:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:10:34
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:33:35
↑ 106↓ 860.1%
HALF· 13.11 mi
7:15/mi
1:38:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:56:30
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:20:26
↑ 181↓ 1480.2%
20M
7:46/mi
2:30:58
↑ 64↓ 500.2%
21M
8:04/mi
2:39:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:44:28
↑ 17↓ 861.7%
23M
7:34/mi
2:53:56
↑ 23↓ 630.6%
24M
7:24/mi
3:01:20
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:07:48
↓ 200.3%
25.2M
8:05/mi
3:10:35
↑ 13↓ 160.2%
FINISH· 26.22 mi
7:26/mi
3:18:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HALFFaster
Distance13.11 mi
Time1:38:31
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:39:38
Pace7:36 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:4822:277:1422:27
7:14
-
10K
6.21 mi11:29:0544:447:1222:17
7:11
-0:03
15K
9.32 mi11:54:551:10:347:3525:50
8:19
+1:08
20K
12.43 mi12:17:561:33:357:3223:01
7:25
-0:54
HALF
13.11 mi12:22:521:38:317:314:56
7:15
-0:10
25K
15.53 mi12:40:511:56:307:3017:59
7:25
+0:10
30K
18.64 mi13:04:472:20:267:3323:56
7:43
+0:18
20M
20.00 mi13:15:192:30:587:3310:32
7:46
+0:03
21M
21.00 mi13:23:232:39:027:358:04
8:04
+0:18
35K
21.75 mi13:28:492:44:287:345:26
7:16
-0:48
23M
23.00 mi13:38:172:53:567:349:28
7:34
+0:18
24M
24.00 mi13:45:413:01:207:347:24
7:24
-0:10
40K
24.85 mi13:52:093:07:487:346:28
7:34
+0:10
25.2M
25.20 mi13:54:563:10:357:342:47
8:05
+0:31
FINISH
26.22 mi14:02:303:18:097:347:34
7:26
-0:39

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

7:11 /mi

Average Pace

7:34 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:28

81% of race

Time at Steady Pace

36:41

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:33 /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 mi11:06:4822:277:1422:27
7:14
#10401
10K
6.21 mi11:29:0544:447:1222:17
7:11
#10185
15K
9.32 mi11:54:551:10:347:3525:50
8:19
#13400
20K
12.43 mi12:17:561:33:357:3223:01
7:25
#12862
HALF
13.11 mi12:22:521:38:317:314:56
7:15
#12739
25K
15.53 mi12:40:511:56:307:3017:59
7:25
#12381
30K
18.64 mi13:04:472:20:267:3323:56
7:43
#12157
20M
20.00 mi13:15:192:30:587:3310:32
7:46
#12057
21M
21.00 mi13:23:232:39:027:358:04
8:04
#11929
35K
21.75 mi13:28:492:44:287:345:26
7:16
#11789
23M
23.00 mi13:38:172:53:567:349:28
7:34
#11602
24M
24.00 mi13:45:413:01:207:347:24
7:24
#11445
40K
24.85 mi13:52:093:07:487:346:28
7:34
#11321
25.2M
25.20 mi13:54:563:10:357:342:47
8:05
#11265
FINISH
26.22 mi14:02:303:18:097:347:34
7:26
#11208
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi104018286828619048(Top 66%)11897(Top 73%)11897(Top 798%)
10K6.21 mi3.10 mi10185+2168167+1198167+11910017(Top 35%)8069(Top 49%)8069(Top 541%)
15K9.32 mi3.11 mi13400-32159564-13979564-139719048(Top 66%)11897(Top 73%)11897(Top 798%)
20K12.43 mi3.11 mi12862+5389324+2409324+24011190(Top 39%)8470(Top 52%)8470(Top 568%)
HALF13.11 mi0.68 mi12739+1239277+479277+4710608(Top 37%)8297(Top 51%)8297(Top 556%)
25K15.53 mi2.42 mi12381+3589087+1909087+19010697(Top 37%)8185(Top 50%)8185(Top 549%)
30K18.64 mi3.11 mi12157+2248939+1488939+14811254(Top 39%)8317(Top 51%)8317(Top 558%)
20M20.00 mi1.36 mi12057+1008878+618878+6110980(Top 38%)8070(Top 49%)8070(Top 541%)
21M21.00 mi1.00 mi11929+1288807+718807+7110332(Top 36%)7649(Top 47%)7649(Top 513%)
35K21.75 mi0.75 mi11789+1408733+748733+749016(Top 31%)6973(Top 43%)6973(Top 468%)
23M23.00 mi1.25 mi11602+1878626+1078626+1079328(Top 32%)7063(Top 43%)7063(Top 474%)
24M24.00 mi1.00 mi11445+1578527+998527+999340(Top 32%)6975(Top 43%)6975(Top 468%)
40K24.85 mi0.85 mi11321+1248436+918436+919298(Top 32%)6853(Top 42%)6853(Top 460%)
25.2M25.20 mi0.35 mi11265+568401+358401+358783(Top 30%)6519(Top 40%)6519(Top 437%)
FINISH26.22 mi1.02 mi11208+578336+658336+6510840(Top 37%)7524(Top 46%)7524(Top 505%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

19048

Males

11897

M55-59

11897

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

10017

Males

8069

M55-59

8069

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

19048

Males

11897

M55-59

11897

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11190

Males

8470

M55-59

8470

20K→HALF

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

10608

Males

8297

M55-59

8297

HALF→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10697

Males

8185

M55-59

8185

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11254

Males

8317

M55-59

8317

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10980

Males

8070

M55-59

8070

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10332

Males

7649

M55-59

7649

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

9016

Males

6973

M55-59

6973

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9328

Males

7063

M55-59

7063

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9340

Males

6975

M55-59

6975

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9298

Males

6853

M55-59

6853

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8783

Males

6519

M55-59

6519

25.2M→FINISH

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10840

Males

7524

M55-59

7524

Passing Analysis

Category:
Athletes Passed
2832
Passed By
3638
Net Change
-807
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10401
5K → 10K352135+216#10401#10185
10K → 15K53220-3215#10185#13400
15K → 20K5468+538#13400#12862
20K → HALF1263+123#12862#12739
HALF → 25K3668+358#12739#12381
25K → 30K29470+224#12381#12157
30K → 20M14040+100#12157#12057
20M → 21M16335+128#12057#11929
21M → 35K1444+140#11929#11789
35K → 23M20215+187#11789#11602
23M → 24M17215+157#11602#11445
24M → 40K14925+124#11445#11321
40K → 25.2M648+56#11321#11265
25.2M → FINISH10952+57#11265#11208
TOTALS28323638-807
📊

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