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BOSTON MARATHON 2026

Brent Shirley

Bib: 5777•M

OR

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 20%
Gender (Male)
#0 / 16340
Top 32%
Masters (Masters Men)
#0 / 10617
Top 17%
Age Group (M40-44)
#0 / 2198
Top 44%
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
20:58
3.11 mi
Rank: #6365
Start → 5K
20:58 | 6:45/mi
10K
41:49
6.21 mi
Rank: #6193 (+172)
5K → 10K
20:51 | 6:43/mi
15K
1:03:58
9.32 mi
Rank: #7485 (-1292)
10K → 15K
22:09 | 7:08/mi
20K
1:26:44
12.43 mi
Rank: #8210 (-725)
15K → 20K
22:46 | 7:20/mi
HALF
1:31:09
13.11 mi
Rank: #8041 (+169)
20K → HALF
4:25 | 6:29/mi
25K
1:47:28
15.53 mi
Rank: #7541 (+500)
HALF → 25K
16:19 | 6:44/mi
30K
2:08:28
18.64 mi
Rank: #6882 (+659)
25K → 30K
21:00 | 6:46/mi
20M
2:17:44
20.00 mi
Rank: #6640 (+242)
30K → 20M
9:16 | 6:50/mi
21M
2:24:46
21.00 mi
Rank: #6426 (+214)
20M → 21M
7:02 | 7:02/mi
35K
2:29:50
21.75 mi
Rank: #6370 (+56)
21M → 35K
5:04 | 6:47/mi
23M
2:38:18
23.00 mi
Rank: #6191 (+179)
35K → 23M
8:28 | 6:46/mi
24M
2:45:00
24.00 mi
Rank: #6085 (+106)
23M → 24M
6:42 | 6:42/mi
40K
2:50:49
24.85 mi
Rank: #5965 (+120)
24M → 40K
5:49 | 6:49/mi
25.2M
2:53:21
25.20 mi
Rank: #5920 (+45)
40K → 25.2M
2:32 | 7:21/mi
FINISH
2:59:57
26.22 mi
Rank: #5841 (+79)
25.2M → FINISH
6:36 | 6:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:31:09
Pace6:58 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:48
Pace6:47 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0720:586:4520:58
6:45
-
10K
6.21 mi10:45:5841:496:4420:51
6:43
-0:02
15K
9.32 mi11:08:071:03:586:5222:09
7:08
+0:25
20K
12.43 mi11:30:531:26:446:5922:46
7:20
+0:12
HALF
13.11 mi11:35:181:31:096:584:25
6:29
-0:51
25K
15.53 mi11:51:371:47:286:5616:19
6:44
+0:15
30K
18.64 mi12:12:372:08:286:5421:00
6:46
+0:02
20M
20.00 mi12:21:532:17:446:549:16
6:50
+0:04
21M
21.00 mi12:28:552:24:466:547:02
7:02
+0:12
35K
21.75 mi12:33:592:29:506:545:04
6:47
-0:15
23M
23.00 mi12:42:272:38:186:538:28
6:46
-0:01
24M
24.00 mi12:49:092:45:006:536:42
6:42
-0:04
40K
24.85 mi12:54:582:50:496:535:49
6:49
+0:07
25.2M
25.20 mi12:57:302:53:216:532:32
7:21
+0:32
FINISH
26.22 mi13:04:062:59:576:536:36
6:29
-0:52

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

6:29 /mi

Average Pace

6:52 /mi

Slowest Pace

7:21 /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

2:12:30

74% of race

Time at Steady Pace

47:27

26% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:25:0720:586:4520:58
6:45
#6365
10K
6.21 mi10:45:5841:496:4420:51
6:43
#6193
15K
9.32 mi11:08:071:03:586:5222:09
7:08
#7485
20K
12.43 mi11:30:531:26:446:5922:46
7:20
#8210
HALF
13.11 mi11:35:181:31:096:584:25
6:29
#8041
25K
15.53 mi11:51:371:47:286:5616:19
6:44
#7541
30K
18.64 mi12:12:372:08:286:5421:00
6:46
#6882
20M
20.00 mi12:21:532:17:446:549:16
6:50
#6640
21M
21.00 mi12:28:552:24:466:547:02
7:02
#6426
35K
21.75 mi12:33:592:29:506:545:04
6:47
#6370
23M
23.00 mi12:42:272:38:186:538:28
6:46
#6191
24M
24.00 mi12:49:092:45:006:536:42
6:42
#6085
40K
24.85 mi12:54:582:50:496:535:49
6:49
#5965
25.2M
25.20 mi12:57:302:53:216:532:32
7:21
#5920
FINISH
26.22 mi13:04:062:59:576:536:36
6:29
#5841
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 mi6365575657569500(Top 33%)7761(Top 47%)7761(Top 353%)
10K6.21 mi3.10 mi6193+1725621+1355621+1356070(Top 21%)5517(Top 34%)5517(Top 251%)
15K9.32 mi3.11 mi7485-12926543-9226543-9229500(Top 33%)7761(Top 47%)7761(Top 353%)
20K12.43 mi3.11 mi8210-7257005-4627005-46210413(Top 36%)8115(Top 50%)8115(Top 369%)
HALF13.11 mi0.68 mi8041+1696901+1046901+1044300(Top 15%)4067(Top 25%)4067(Top 185%)
25K15.53 mi2.42 mi7541+5006552+3496552+3495145(Top 18%)4707(Top 29%)4707(Top 214%)
30K18.64 mi3.11 mi6882+6596072+4806072+4804074(Top 14%)3782(Top 23%)3782(Top 172%)
20M20.00 mi1.36 mi6640+2425891+1815891+1814333(Top 15%)3947(Top 24%)3947(Top 180%)
21M21.00 mi1.00 mi6426+2145717+1745717+1743675(Top 13%)3362(Top 21%)3362(Top 153%)
35K21.75 mi0.75 mi6370+565663+545663+545468(Top 19%)4793(Top 29%)4793(Top 218%)
23M23.00 mi1.25 mi6191+1795522+1415522+1413894(Top 13%)3516(Top 22%)3516(Top 160%)
24M24.00 mi1.00 mi6085+1065432+905432+904463(Top 15%)3935(Top 24%)3935(Top 179%)
40K24.85 mi0.85 mi5965+1205337+955337+954257(Top 15%)3727(Top 23%)3727(Top 170%)
25.2M25.20 mi0.35 mi5920+455291+465291+464358(Top 15%)3751(Top 23%)3751(Top 171%)
FINISH26.22 mi1.02 mi5841+795224+675224+674004(Top 14%)3477(Top 21%)3477(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21
+97ft-345ft

Overall

9500

Males

7761

M40-44

7761

5K→10K

3.1 - 6.2 mi

Top 21%
×5
+79ft-138ft

Overall

6070

Males

5517

M40-44

5517

10K→15K

6.2 - 9.3 mi

Top 33%
×3
+67ft-78ft

Overall

9500

Males

7761

M40-44

7761

15K→20K

9.3 - 12.4 mi

Top 36%
×5
+106ft-86ft

Overall

10413

Males

8115

M40-44

8115

20K→HALF

12.4 - 13.1 mi

Top 15%
×2
+19ft-37ft

Overall

4300

Males

4067

M40-44

4067

HALF→25K

13.1 - 15.5 mi

Top 18%
×4
+66ft-88ft

Overall

5145

Males

4707

M40-44

4707

25K→30K

15.5 - 18.6 mi

Top 14%
×9
+181ft-148ft

Overall

4074

Males

3782

M40-44

3782

30K→20M

18.6 - 20.0 mi

Top 15%
×5
+64ft-50ft

Overall

4333

Males

3947

M40-44

3947

20M→21M

20.0 - 21.0 mi

Top 13%
×8
+106ft-24ft

Overall

3675

Males

3362

M40-44

3362

21M→35K

21.0 - 21.8 mi

Top 19%
×7
+17ft-86ft

Overall

5468

Males

4793

M40-44

4793

35K→23M

21.8 - 23.0 mi

Top 13%
×5
+23ft-63ft

Overall

3894

Males

3516

M40-44

3516

23M→24M

23.0 - 24.0 mi

Top 15%
×6
+12ft-82ft

Overall

4463

Males

3935

M40-44

3935

24M→40K

24.0 - 24.9 mi

Top 15%
×1
+6ft-20ft

Overall

4257

Males

3727

M40-44

3727

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1
+13ft-16ft

Overall

4358

Males

3751

M40-44

3751

25.2M→FINISH

25.2 - 26.2 mi

Top 14%
×2
+22ft-21ft

Overall

4004

Males

3477

M40-44

3477

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2767
Passed By
2243
Net Change
+524
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6365
5K → 10K279107+172#6365#6193
10K → 15K91301-1292#6193#7485
15K → 20K30755-725#7485#8210
20K → HALF1701+169#8210#8041
HALF → 25K5000+500#8041#7541
25K → 30K6601+659#7541#6882
30K → 20M2431+242#6882#6640
20M → 21M2151+214#6640#6426
21M → 35K7115+56#6426#6370
35K → 23M1823+179#6370#6191
23M → 24M12014+106#6191#6085
24M → 40K13212+120#6085#5965
40K → 25.2M5611+45#5965#5920
25.2M → FINISH10021+79#5920#5841
TOTALS27672243+524
📊

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