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BOSTON MARATHON 2026

Brian Robertson

Bib: 18664•M

DE

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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 (M55-59)
#0 / 1491
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
26:03
3.11 mi
Rank: #19409
Start → 5K
26:03 | 8:24/mi
10K
52:12
6.21 mi
Rank: #19625 (-216)
5K → 10K
26:09 | 8:26/mi
15K
1:18:58
9.32 mi
Rank: #19980 (-355)
10K → 15K
26:46 | 8:37/mi
20K
1:46:19
12.43 mi
Rank: #20212 (-232)
15K → 20K
27:21 | 8:49/mi
HALF
1:52:10
13.11 mi
Rank: #20231 (-19)
20K → HALF
5:51 | 8:35/mi
25K
2:13:20
15.53 mi
Rank: #20195 (+36)
HALF → 25K
21:10 | 8:44/mi
30K
2:40:50
18.64 mi
Rank: #19919 (+276)
25K → 30K
27:30 | 8:52/mi
20M
2:52:57
20.00 mi
Rank: #19830 (+89)
30K → 20M
12:07 | 8:56/mi
21M
3:02:01
21.00 mi
Rank: #19633 (+197)
20M → 21M
9:04 | 9:04/mi
35K
3:08:28
21.75 mi
Rank: #19590 (+43)
21M → 35K
6:27 | 8:38/mi
23M
3:19:28
23.00 mi
Rank: #19451 (+139)
35K → 23M
11:00 | 8:48/mi
24M
3:28:12
24.00 mi
Rank: #19379 (+72)
23M → 24M
8:44 | 8:44/mi
40K
3:35:48
24.85 mi
Rank: #19338 (+41)
24M → 40K
7:36 | 8:54/mi
25.2M
3:39:08
25.20 mi
Rank: #19330 (+8)
40K → 25.2M
3:20 | 9:40/mi
FINISH
3:47:48
26.22 mi
Rank: #19278 (+52)
25.2M → FINISH
8:40 | 8:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:10
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:55:38
Pace8:50 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:5226:038:2426:03
8:24
-
10K
6.21 mi11:37:0152:128:2526:09
8:26
+0:02
15K
9.32 mi12:03:471:18:588:2926:46
8:37
+0:11
20K
12.43 mi12:31:081:46:198:3427:21
8:49
+0:12
HALF
13.11 mi12:36:591:52:108:345:51
8:35
-0:14
25K
15.53 mi12:58:092:13:208:3521:10
8:44
+0:09
30K
18.64 mi13:25:392:40:508:3827:30
8:52
+0:08
20M
20.00 mi13:37:462:52:578:3912:07
8:56
+0:04
21M
21.00 mi13:46:503:02:018:419:04
9:04
+0:08
35K
21.75 mi13:53:173:08:288:406:27
8:38
-0:26
23M
23.00 mi14:04:173:19:288:4111:00
8:48
+0:10
24M
24.00 mi14:13:013:28:128:418:44
8:44
-0:04
40K
24.85 mi14:20:373:35:488:417:36
8:54
+0:10
25.2M
25.20 mi14:23:573:39:088:423:20
9:40
+0:46
FINISH
26.22 mi14:32:373:47:488:428:40
8:31
-1:09

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

8:24 /mi

Average Pace

8:42 /mi

Slowest Pace

9:40 /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

3:44:28

99% of race

Time at Steady Pace

3:20

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /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 mi11:10:5226:038:2426:03
8:24
#19409
10K
6.21 mi11:37:0152:128:2526:09
8:26
#19625
15K
9.32 mi12:03:471:18:588:2926:46
8:37
#19980
20K
12.43 mi12:31:081:46:198:3427:21
8:49
#20212
HALF
13.11 mi12:36:591:52:108:345:51
8:35
#20231
25K
15.53 mi12:58:092:13:208:3521:10
8:44
#20195
30K
18.64 mi13:25:392:40:508:3827:30
8:52
#19919
20M
20.00 mi13:37:462:52:578:3912:07
8:56
#19830
21M
21.00 mi13:46:503:02:018:419:04
9:04
#19633
35K
21.75 mi13:53:173:08:288:406:27
8:38
#19590
23M
23.00 mi14:04:173:19:288:4111:00
8:48
#19451
24M
24.00 mi14:13:013:28:128:418:44
8:44
#19379
40K
24.85 mi14:20:373:35:488:417:36
8:54
#19338
25.2M
25.20 mi14:23:573:39:088:423:20
9:40
#19330
FINISH
26.22 mi14:32:373:47:488:428:40
8:31
#19278
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 mi19409120131201320757(Top 72%)12686(Top 78%)12686(Top 851%)
10K6.21 mi3.10 mi19625-21612126-11312126-11319876(Top 68%)12264(Top 75%)12264(Top 823%)
15K9.32 mi3.11 mi19980-35512301-17512301-17520757(Top 72%)12686(Top 78%)12686(Top 851%)
20K12.43 mi3.11 mi20212-23212385-8412385-8420983(Top 72%)12761(Top 78%)12761(Top 856%)
HALF13.11 mi0.68 mi20231-1912392-712392-720674(Top 71%)12622(Top 77%)12622(Top 847%)
25K15.53 mi2.42 mi20195+3612369+2312369+2319855(Top 68%)12186(Top 75%)12186(Top 817%)
30K18.64 mi3.11 mi19919+27612224+14512224+14518842(Top 65%)11642(Top 71%)11642(Top 781%)
20M20.00 mi1.36 mi19830+8912165+5912165+5918539(Top 64%)11421(Top 70%)11421(Top 766%)
21M21.00 mi1.00 mi19633+19712055+11012055+11016462(Top 57%)10466(Top 64%)10466(Top 702%)
35K21.75 mi0.75 mi19590+4312027+2812027+2818200(Top 63%)11137(Top 68%)11137(Top 747%)
23M23.00 mi1.25 mi19451+13911946+8111946+8117387(Top 60%)10701(Top 65%)10701(Top 718%)
24M24.00 mi1.00 mi19379+7211894+5211894+5218186(Top 63%)11045(Top 68%)11045(Top 741%)
40K24.85 mi0.85 mi19338+4111866+2811866+2817835(Top 61%)10818(Top 66%)10818(Top 726%)
25.2M25.20 mi0.35 mi19330+811853+1311853+1318048(Top 62%)10919(Top 67%)10919(Top 732%)
FINISH26.22 mi1.02 mi19278+5211813+4011813+4018186(Top 63%)10981(Top 67%)10981(Top 736%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

20757

Males

12686

M55-59

12686

5K→10K

3.1 - 6.2 mi

Top 68%
×5
+79ft-138ft

Overall

19876

Males

12264

M55-59

12264

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

20757

Males

12686

M55-59

12686

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

20983

Males

12761

M55-59

12761

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20674

Males

12622

M55-59

12622

HALF→25K

13.1 - 15.5 mi

Top 68%
×4
+66ft-88ft

Overall

19855

Males

12186

M55-59

12186

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18842

Males

11642

M55-59

11642

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18539

Males

11421

M55-59

11421

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16462

Males

10466

M55-59

10466

21M→35K

21.0 - 21.8 mi

Top 63%
×7
+17ft-86ft

Overall

18200

Males

11137

M55-59

11137

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17387

Males

10701

M55-59

10701

23M→24M

23.0 - 24.0 mi

Top 63%
×6
+12ft-82ft

Overall

18186

Males

11045

M55-59

11045

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17835

Males

10818

M55-59

10818

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

18048

Males

10919

M55-59

10919

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18186

Males

10981

M55-59

10981

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1676*
Passed By
998
Net Change
+131
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19409
5K → 10K178200-216#19409#19625
10K → 15K63200-355#19625#19980
15K → 20K103200-232#19980#20212
20K → HALF2443-19#20212#20231
HALF → 25K13599+36#20231#20195
25K → 30K320*44+276#20195#19919
30K → 20M12435+89#19919#19830
20M → 21M205*8+197#19830#19633
21M → 35K6623+43#19633#19590
35K → 23M16425+139#19590#19451
23M → 24M9523+72#19451#19379
24M → 40K8342+41#19379#19338
40K → 25.2M3022+8#19338#19330
25.2M → FINISH8634+52#19330#19278
TOTALS1676*998+131

* 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