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BOSTON MARATHON 2026

Justin Anastos

Bib: 29287•M

MA

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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 (M40-44)
#0 / 2198
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
39:38
3.11 mi
Rank: #28957
Start → 5K
39:38 | 12:46/mi
10K
1:18:08
6.21 mi
Rank: #28909 (+48)
5K → 10K
38:30 | 12:24/mi
15K
1:55:53
9.32 mi
Rank: #28836 (+73)
10K → 15K
37:45 | 12:10/mi
20K
2:32:43
12.43 mi
Rank: #28674 (+162)
15K → 20K
36:50 | 11:52/mi
HALF
2:39:47
13.11 mi
Rank: #28612 (+62)
20K → HALF
7:04 | 10:23/mi
25K
3:08:11
15.53 mi
Rank: #28412 (+200)
HALF → 25K
28:24 | 11:43/mi
30K
3:45:33
18.64 mi
Rank: #28183 (+229)
25K → 30K
37:22 | 12:02/mi
20M
4:02:48
20.00 mi
Rank: #28128 (+55)
30K → 20M
17:15 | 12:42/mi
21M
4:14:53
21.00 mi
Rank: #28013 (+115)
20M → 21M
12:05 | 12:05/mi
35K
4:23:17
21.75 mi
Rank: #27969 (+44)
21M → 35K
8:24 | 11:14/mi
23M
4:38:39
23.00 mi
Rank: #27910 (+59)
35K → 23M
15:22 | 12:17/mi
24M
4:53:19
24.00 mi
Rank: #27968 (-58)
23M → 24M
14:40 | 14:40/mi
40K
5:03:59
24.85 mi
Rank: #27922 (+46)
24M → 40K
10:40 | 12:29/mi
25.2M
5:08:34
25.20 mi
Rank: #27906 (+16)
40K → 25.2M
4:35 | 13:18/mi
FINISH
5:19:33
26.22 mi
Rank: #27871 (+35)
25.2M → FINISH
10:59 | 10:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time2:39:47
Pace12:12 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:39:46
Pace12:12 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:02:2539:3812:4639:38
12:46
-
10K
6.21 mi12:40:551:18:0812:3538:30
12:24
-0:22
15K
9.32 mi13:18:401:55:5312:2637:45
12:10
-0:14
20K
12.43 mi13:55:302:32:4312:1836:50
11:52
-0:18
HALF
13.11 mi14:02:342:39:4712:127:04
10:23
-1:29
25K
15.53 mi14:30:583:08:1112:0728:24
11:43
+1:20
30K
18.64 mi15:08:203:45:3312:0637:22
12:02
+0:19
20M
20.00 mi15:25:354:02:4812:0917:15
12:42
+0:40
21M
21.00 mi15:37:404:14:5312:0912:05
12:05
-0:37
35K
21.75 mi15:46:044:23:1712:078:24
11:14
-0:51
23M
23.00 mi16:01:264:38:3912:0715:22
12:17
+1:03
24M
24.00 mi16:16:064:53:1912:1414:40
14:40
+2:23
40K
24.85 mi16:26:465:03:5912:1410:40
12:29
-2:11
25.2M
25.20 mi16:31:215:08:3412:154:35
13:18
+0:49
FINISH
26.22 mi16:42:205:19:3312:1210:59
10:47
-2:31

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

10:23 /mi

Average Pace

12:12 /mi

Slowest Pace

14:40 /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

26:27

8% of race

Time at Steady Pace

3:36:58

68% of race

Time at Slower Pace

1:16:08

24% of race

Average Pace: 12:11 /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 mi12:02:2539:3812:4639:38
12:46
#28957
10K
6.21 mi12:40:551:18:0812:3538:30
12:24
#28909
15K
9.32 mi13:18:401:55:5312:2637:45
12:10
#28836
20K
12.43 mi13:55:302:32:4312:1836:50
11:52
#28674
HALF
13.11 mi14:02:342:39:4712:127:04
10:23
#28612
25K
15.53 mi14:30:583:08:1112:0728:24
11:43
#28412
30K
18.64 mi15:08:203:45:3312:0637:22
12:02
#28183
20M
20.00 mi15:25:354:02:4812:0917:15
12:42
#28128
21M
21.00 mi15:37:404:14:5312:0912:05
12:05
#28013
35K
21.75 mi15:46:044:23:1712:078:24
11:14
#27969
23M
23.00 mi16:01:264:38:3912:0715:22
12:17
#27910
24M
24.00 mi16:16:064:53:1912:1414:40
14:40
#27968
40K
24.85 mi16:26:465:03:5912:1410:40
12:29
#27922
25.2M
25.20 mi16:31:215:08:3412:154:35
13:18
#27906
FINISH
26.22 mi16:42:205:19:3312:1210:59
10:47
#27871
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi28957163161631628463(Top 98%)16151(Top 99%)16151(Top 735%)
10K6.21 mi3.10 mi28909+4816303+1316303+1328782(Top 99%)16264(Top 100%)16264(Top 740%)
15K9.32 mi3.11 mi28836+7316283+2016283+2028463(Top 98%)16151(Top 99%)16151(Top 735%)
20K12.43 mi3.11 mi28674+16216229+5416229+5427890(Top 96%)15941(Top 98%)15941(Top 725%)
HALF13.11 mi0.68 mi28612+6216205+2416205+2426424(Top 91%)15321(Top 94%)15321(Top 697%)
25K15.53 mi2.42 mi28412+20016141+6416141+6427249(Top 94%)15643(Top 96%)15643(Top 712%)
30K18.64 mi3.11 mi28183+22916051+9016051+9026807(Top 92%)15357(Top 94%)15357(Top 699%)
20M20.00 mi1.36 mi28128+5516025+2616025+2627149(Top 94%)15473(Top 95%)15473(Top 704%)
21M21.00 mi1.00 mi28013+11515972+5315972+5325193(Top 87%)14502(Top 89%)14502(Top 660%)
35K21.75 mi0.75 mi27969+4415954+1815954+1825648(Top 88%)14702(Top 90%)14702(Top 669%)
23M23.00 mi1.25 mi27910+5915926+2815926+2826507(Top 91%)15083(Top 92%)15083(Top 686%)
24M24.00 mi1.00 mi27968-5815941-1515941-1528610(Top 99%)16095(Top 99%)16095(Top 732%)
40K24.85 mi0.85 mi27922+4615915+2615915+2626499(Top 91%)15014(Top 92%)15014(Top 683%)
25.2M25.20 mi0.35 mi27906+1615904+1115904+1126429(Top 91%)15008(Top 92%)15008(Top 683%)
FINISH26.22 mi1.02 mi27871+3515883+2115883+2125679(Top 88%)14601(Top 89%)14601(Top 664%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21
+97ft-345ft

Overall

28463

Males

16151

M40-44

16151

5K→10K

3.1 - 6.2 mi

Top 99%
×5
+79ft-138ft

Overall

28782

Males

16264

M40-44

16264

10K→15K

6.2 - 9.3 mi

Top 98%
×3
+67ft-78ft

Overall

28463

Males

16151

M40-44

16151

15K→20K

9.3 - 12.4 mi

Top 96%
×5
+106ft-86ft

Overall

27890

Males

15941

M40-44

15941

20K→HALF

12.4 - 13.1 mi

Top 91%
×2
+19ft-37ft

Overall

26424

Males

15321

M40-44

15321

HALF→25K

13.1 - 15.5 mi

Top 94%
×4
+66ft-88ft

Overall

27249

Males

15643

M40-44

15643

25K→30K

15.5 - 18.6 mi

Top 92%
×9
+181ft-148ft

Overall

26807

Males

15357

M40-44

15357

30K→20M

18.6 - 20.0 mi

Top 94%
×5
+64ft-50ft

Overall

27149

Males

15473

M40-44

15473

20M→21M

20.0 - 21.0 mi

Top 87%
×8
+106ft-24ft

Overall

25193

Males

14502

M40-44

14502

21M→35K

21.0 - 21.8 mi

Top 88%
×7
+17ft-86ft

Overall

25648

Males

14702

M40-44

14702

35K→23M

21.8 - 23.0 mi

Top 91%
×5
+23ft-63ft

Overall

26507

Males

15083

M40-44

15083

23M→24M

23.0 - 24.0 mi

Top 99%
×6
+12ft-82ft

Overall

28610

Males

16095

M40-44

16095

24M→40K

24.0 - 24.9 mi

Top 91%
×1
+6ft-20ft

Overall

26499

Males

15014

M40-44

15014

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1
+13ft-16ft

Overall

26429

Males

15008

M40-44

15008

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
×2
+22ft-21ft

Overall

25679

Males

14601

M40-44

14601

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1171*
Passed By
85
Net Change
+1086
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28957
5K → 10K535+48#28957#28909
10K → 15K763+73#28909#28836
15K → 20K1642+162#28836#28674
20K → HALF620+62#28674#28612
HALF → 25K202*2+200#28612#28412
25K → 30K230*1+229#28412#28183
30K → 20M583+55#28183#28128
20M → 21M1161+115#28128#28013
21M → 35K451+44#28013#27969
35K → 23M601+59#27969#27910
23M → 24M462-58#27910#27968
24M → 40K493+46#27968#27922
40K → 25.2M160+16#27922#27906
25.2M → FINISH361+35#27906#27871
TOTALS1171*85+1086

* 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