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BOSTON MARATHON 2026

Dave Masterson

Bib: 21503β€’M

FL

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 42%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 44%
Age Group (M60-64)
#0 / 1514
Top 8%
Race Day Weather
51Β°/41Β°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
25:23
3.11 mi
Rank: #18026
Start β†’ 5K
25:23 | 8:11/mi
10K
48:56
6.21 mi
Rank: #16088 (+1938)
5K β†’ 10K
23:33 | 7:35/mi
15K
1:12:26
9.32 mi
Rank: #15176 (+912)
10K β†’ 15K
23:30 | 7:34/mi
20K
1:36:18
12.43 mi
Rank: #14719 (+457)
15K β†’ 20K
23:52 | 7:41/mi
HALF
1:41:24
13.11 mi
Rank: #14614 (+105)
20K β†’ HALF
5:06 | 7:29/mi
25K
1:59:52
15.53 mi
Rank: #14196 (+418)
HALF β†’ 25K
18:28 | 7:37/mi
30K
2:23:53
18.64 mi
Rank: #13665 (+531)
25K β†’ 30K
24:01 | 7:44/mi
20M
2:34:23
20.00 mi
Rank: #13439 (+226)
30K β†’ 20M
10:30 | 7:44/mi
21M
2:42:12
21.00 mi
Rank: #13143 (+296)
20M β†’ 21M
7:49 | 7:49/mi
35K
2:47:40
21.75 mi
Rank: #13000 (+143)
21M β†’ 35K
5:28 | 7:19/mi
23M
2:57:04
23.00 mi
Rank: #12729 (+271)
35K β†’ 23M
9:24 | 7:31/mi
24M
3:04:25
24.00 mi
Rank: #12546 (+183)
23M β†’ 24M
7:21 | 7:21/mi
40K
3:10:45
24.85 mi
Rank: #12356 (+190)
24M β†’ 40K
6:20 | 7:25/mi
25.2M
3:13:33
25.20 mi
Rank: #12288 (+68)
40K β†’ 25.2M
2:48 | 8:08/mi
FINISH
3:20:51
26.22 mi
Rank: #12124 (+164)
25.2M β†’ FINISH
7:18 | 7:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:41:24
Pace7:45 /mi
2nd Halfβœ“ Faster
Distance13.11 mi
Time1:39:27
Pace7:36 /mi
πŸ“ŠNegative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4925:238:1125:23
8:11
-
10K
6.21 mi11:50:2248:567:5323:33
7:35
-0:36
15K
9.32 mi12:13:521:12:267:4723:30
7:34
-0:01
20K
12.43 mi12:37:441:36:187:4523:52
7:41
+0:07
HALF
13.11 mi12:42:501:41:247:455:06
7:29
-0:12
25K
15.53 mi13:01:181:59:527:4318:28
7:37
+0:08
30K
18.64 mi13:25:192:23:537:4424:01
7:44
+0:07
20M
20.00 mi13:35:492:34:237:4410:30
7:44
0:00
21M
21.00 mi13:43:382:42:127:447:49
7:49
+0:05
35K
21.75 mi13:49:062:47:407:435:28
7:19
-0:30
23M
23.00 mi13:58:302:57:047:429:24
7:31
+0:12
24M
24.00 mi14:05:513:04:257:427:21
7:21
-0:10
40K
24.85 mi14:12:113:10:457:416:20
7:25
+0:04
25.2M
25.20 mi14:14:593:13:337:412:48
8:08
+0:43
FINISH
26.22 mi14:22:173:20:517:407:18
7:10
-0:58

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

7:10 /mi

Average Pace

7:40 /mi

Slowest Pace

8:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:52:40

86% of race

Time at Steady Pace

28:11

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:26:4925:238:1125:23
8:11
#18026
10K
6.21 mi11:50:2248:567:5323:33
7:35
#16088
15K
9.32 mi12:13:521:12:267:4723:30
7:34
#15176
20K
12.43 mi12:37:441:36:187:4523:52
7:41
#14719
HALF
13.11 mi12:42:501:41:247:455:06
7:29
#14614
25K
15.53 mi13:01:181:59:527:4318:28
7:37
#14196
30K
18.64 mi13:25:192:23:537:4424:01
7:44
#13665
20M
20.00 mi13:35:492:34:237:4410:30
7:44
#13439
21M
21.00 mi13:43:382:42:127:447:49
7:49
#13143
35K
21.75 mi13:49:062:47:407:435:28
7:19
#13000
23M
23.00 mi13:58:302:57:047:429:24
7:31
#12729
24M
24.00 mi14:05:513:04:257:427:21
7:21
#12546
40K
24.85 mi14:12:113:10:457:416:20
7:25
#12356
25.2M
25.20 mi14:14:593:13:337:412:48
8:08
#12288
FINISH
26.22 mi14:22:173:20:517:407:18
7:10
#12124
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18026114181141813340(Top 46%)9513(Top 58%)9513(Top 628%)
10K6.21 mi3.10 mi16088+193810628+79010628+79013656(Top 47%)9680(Top 59%)9680(Top 639%)
15K9.32 mi3.11 mi15176+91210263+36510263+36513340(Top 46%)9513(Top 58%)9513(Top 628%)
20K12.43 mi3.11 mi14719+45710089+17410089+17413538(Top 47%)9521(Top 58%)9521(Top 629%)
HALF13.11 mi0.68 mi14614+10510062+2710062+2712804(Top 44%)9273(Top 57%)9273(Top 612%)
25K15.53 mi2.42 mi14196+4189858+2049858+20412355(Top 43%)8944(Top 55%)8944(Top 591%)
30K18.64 mi3.11 mi13665+5319606+2529606+25211463(Top 39%)8417(Top 52%)8417(Top 556%)
20M20.00 mi1.36 mi13439+2269469+1379469+13710828(Top 37%)8000(Top 49%)8000(Top 528%)
21M21.00 mi1.00 mi13143+2969318+1519318+1518646(Top 30%)6750(Top 41%)6750(Top 446%)
35K21.75 mi0.75 mi13000+1439238+809238+809361(Top 32%)7162(Top 44%)7162(Top 473%)
23M23.00 mi1.25 mi12729+2719109+1299109+1298964(Top 31%)6861(Top 42%)6861(Top 453%)
24M24.00 mi1.00 mi12546+1838999+1108999+1108965(Top 31%)6795(Top 42%)6795(Top 449%)
40K24.85 mi0.85 mi12356+1908895+1048895+1048201(Top 28%)6296(Top 39%)6296(Top 416%)
25.2M25.20 mi0.35 mi12288+688853+428853+429085(Top 31%)6687(Top 41%)6687(Top 442%)
FINISH26.22 mi1.02 mi12124+1648755+988755+988840(Top 30%)6504(Top 40%)6504(Top 430%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
Γ—21
+97ft-345ft

Overall

13340

Males

9513

M60-64

9513

5K→10K

3.1 - 6.2 mi

Top 47%
Γ—5
+79ft-138ft

Overall

13656

Males

9680

M60-64

9680

10K→15K

6.2 - 9.3 mi

Top 46%
Γ—3
+67ft-78ft

Overall

13340

Males

9513

M60-64

9513

15K→20K

9.3 - 12.4 mi

Top 47%
Γ—5
+106ft-86ft

Overall

13538

Males

9521

M60-64

9521

20K→HALF

12.4 - 13.1 mi

Top 44%
Γ—2
+19ft-37ft

Overall

12804

Males

9273

M60-64

9273

HALF→25K

13.1 - 15.5 mi

Top 43%
Γ—4
+66ft-88ft

Overall

12355

Males

8944

M60-64

8944

25K→30K

15.5 - 18.6 mi

Top 39%
Γ—9
+181ft-148ft

Overall

11463

Males

8417

M60-64

8417

30K→20M

18.6 - 20.0 mi

Top 37%
Γ—5
+64ft-50ft

Overall

10828

Males

8000

M60-64

8000

20M→21M

20.0 - 21.0 mi

Top 30%
Γ—8
+106ft-24ft

Overall

8646

Males

6750

M60-64

6750

21M→35K

21.0 - 21.8 mi

Top 32%
Γ—7
+17ft-86ft

Overall

9361

Males

7162

M60-64

7162

35K→23M

21.8 - 23.0 mi

Top 31%
Γ—5
+23ft-63ft

Overall

8964

Males

6861

M60-64

6861

23M→24M

23.0 - 24.0 mi

Top 31%
Γ—6
+12ft-82ft

Overall

8965

Males

6795

M60-64

6795

24M→40K

24.0 - 24.9 mi

Top 28%
Γ—1
+6ft-20ft

Overall

8201

Males

6296

M60-64

6296

40K→25.2M

24.9 - 25.2 mi

Top 31%
Γ—1
+13ft-16ft

Overall

9085

Males

6687

M60-64

6687

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
Γ—2
+22ft-21ft

Overall

8840

Males

6504

M60-64

6504

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
6027*
Passed By
125
Net Change
+5902
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#18026
5K β†’ 10K1944*6+1938#18026#16088
10K β†’ 15K926*14+912#16088#15176
15K β†’ 20K490*33+457#15176#14719
20K β†’ HALF1105+105#14719#14614
HALF β†’ 25K426*8+418#14614#14196
25K β†’ 30K545*14+531#14196#13665
30K β†’ 20M231*5+226#13665#13439
20M β†’ 21M299*3+296#13439#13143
21M β†’ 35K1452+143#13143#13000
35K β†’ 23M274*3+271#13000#12729
23M β†’ 24M1863+183#12729#12546
24M β†’ 40K20010+190#12546#12356
40K β†’ 25.2M746+68#12356#12288
25.2M β†’ FINISH17713+164#12288#12124
TOTALS6027*125+5902

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

πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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