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BOSTON MARATHON 2026

Brian Stiewing

Bib: 15009•M

CT

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 48%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
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
23:05
3.11 mi
Rank: #12199
Start → 5K
23:05 | 7:26/mi
10K
46:52
6.21 mi
Rank: #13205 (-1006)
5K → 10K
23:47 | 7:40/mi
15K
1:10:39
9.32 mi
Rank: #13494 (-289)
10K → 15K
23:47 | 7:40/mi
20K
1:34:40
12.43 mi
Rank: #13579 (-85)
15K → 20K
24:01 | 7:44/mi
HALF
1:39:54
13.11 mi
Rank: #13618 (-39)
20K → HALF
5:14 | 7:41/mi
25K
1:58:36
15.53 mi
Rank: #13525 (+93)
HALF → 25K
18:42 | 7:43/mi
30K
2:23:23
18.64 mi
Rank: #13468 (+57)
25K → 30K
24:47 | 7:59/mi
20M
2:34:15
20.00 mi
Rank: #13379 (+89)
30K → 20M
10:52 | 8:01/mi
21M
2:42:56
21.00 mi
Rank: #13418 (-39)
20M → 21M
8:41 | 8:41/mi
35K
2:48:54
21.75 mi
Rank: #13423 (-5)
21M → 35K
5:58 | 7:59/mi
23M
2:59:13
23.00 mi
Rank: #13447 (-24)
35K → 23M
10:19 | 8:15/mi
24M
3:07:37
24.00 mi
Rank: #13598 (-151)
23M → 24M
8:24 | 8:24/mi
40K
3:14:54
24.85 mi
Rank: #13686 (-88)
24M → 40K
7:17 | 8:32/mi
25.2M
3:18:12
25.20 mi
Rank: #13758 (-72)
40K → 25.2M
3:18 | 9:35/mi
FINISH
3:26:56
26.22 mi
Rank: #14002 (-244)
25.2M → FINISH
8:44 | 8:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:54
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:47:02
Pace8:10 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2323:057:2623:05
7:26
-
10K
6.21 mi11:18:1046:527:3323:47
7:40
+0:14
15K
9.32 mi11:41:571:10:397:3523:47
7:40
0:00
20K
12.43 mi12:05:581:34:407:3824:01
7:44
+0:04
HALF
13.11 mi12:11:121:39:547:385:14
7:41
-0:03
25K
15.53 mi12:29:541:58:367:3918:42
7:43
+0:02
30K
18.64 mi12:54:412:23:237:4224:47
7:59
+0:16
20M
20.00 mi13:05:332:34:157:4310:52
8:01
+0:02
21M
21.00 mi13:14:142:42:567:468:41
8:41
+0:40
35K
21.75 mi13:20:122:48:547:465:58
7:59
-0:42
23M
23.00 mi13:30:312:59:137:4810:19
8:15
+0:16
24M
24.00 mi13:38:553:07:377:508:24
8:24
+0:09
40K
24.85 mi13:46:123:14:547:517:17
8:32
+0:08
25.2M
25.20 mi13:49:303:18:127:523:18
9:35
+1:03
FINISH
26.22 mi13:58:143:26:567:548:44
8:35
-1:00

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

7:26 /mi

Average Pace

7:54 /mi

Slowest Pace

9:35 /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

1:15:53

37% of race

Time at Steady Pace

1:34:39

46% of race

Time at Slower Pace

36:24

18% of race

Average Pace: 7:54 /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 mi10:54:2323:057:2623:05
7:26
#12199
10K
6.21 mi11:18:1046:527:3323:47
7:40
#13205
15K
9.32 mi11:41:571:10:397:3523:47
7:40
#13494
20K
12.43 mi12:05:581:34:407:3824:01
7:44
#13579
HALF
13.11 mi12:11:121:39:547:385:14
7:41
#13618
25K
15.53 mi12:29:541:58:367:3918:42
7:43
#13525
30K
18.64 mi12:54:412:23:237:4224:47
7:59
#13468
20M
20.00 mi13:05:332:34:157:4310:52
8:01
#13379
21M
21.00 mi13:14:142:42:567:468:41
8:41
#13418
35K
21.75 mi13:20:122:48:547:465:58
7:59
#13423
23M
23.00 mi13:30:312:59:137:4810:19
8:15
#13447
24M
24.00 mi13:38:553:07:377:508:24
8:24
#13598
40K
24.85 mi13:46:123:14:547:517:17
8:32
#13686
25.2M
25.20 mi13:49:303:18:127:523:18
9:35
#13758
FINISH
26.22 mi13:58:143:26:567:548:44
8:35
#14002
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi121999125912514136(Top 49%)9858(Top 60%)9858(Top 528%)
10K6.21 mi3.10 mi13205-10069509-3849509-38414364(Top 49%)9977(Top 61%)9977(Top 534%)
15K9.32 mi3.11 mi13494-2899616-1079616-10714136(Top 49%)9858(Top 60%)9858(Top 528%)
20K12.43 mi3.11 mi13579-859631-159631-1513953(Top 48%)9704(Top 59%)9704(Top 519%)
HALF13.11 mi0.68 mi13618-399644-139644-1314482(Top 50%)9991(Top 61%)9991(Top 535%)
25K15.53 mi2.42 mi13525+939581+639581+6313125(Top 45%)9277(Top 57%)9277(Top 497%)
30K18.64 mi3.11 mi13468+579508+739508+7313322(Top 46%)9251(Top 57%)9251(Top 495%)
20M20.00 mi1.36 mi13379+899447+619447+6112828(Top 44%)8941(Top 55%)8941(Top 479%)
21M21.00 mi1.00 mi13418-399436+119436+1114264(Top 49%)9490(Top 58%)9490(Top 508%)
35K21.75 mi0.75 mi13423-59429+79429+714277(Top 49%)9443(Top 58%)9443(Top 506%)
23M23.00 mi1.25 mi13447-249415+149415+1414060(Top 48%)9275(Top 57%)9275(Top 497%)
24M24.00 mi1.00 mi13598-1519449-349449-3416283(Top 56%)10157(Top 62%)10157(Top 544%)
40K24.85 mi0.85 mi13686-889473-249473-2415764(Top 54%)9863(Top 60%)9863(Top 528%)
25.2M25.20 mi0.35 mi13758-729493-209493-2017545(Top 60%)10666(Top 65%)10666(Top 571%)
FINISH26.22 mi1.02 mi14002-2449571-789571-7818483(Top 64%)11113(Top 68%)11113(Top 595%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14136

Males

9858

M50-54

9858

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14364

Males

9977

M50-54

9977

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14136

Males

9858

M50-54

9858

15K→20K

9.3 - 12.4 mi

Top 48%
×5
+106ft-86ft

Overall

13953

Males

9704

M50-54

9704

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14482

Males

9991

M50-54

9991

HALF→25K

13.1 - 15.5 mi

Top 45%
×4
+66ft-88ft

Overall

13125

Males

9277

M50-54

9277

25K→30K

15.5 - 18.6 mi

Top 46%
×9
+181ft-148ft

Overall

13322

Males

9251

M50-54

9251

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12828

Males

8941

M50-54

8941

20M→21M

20.0 - 21.0 mi

Top 49%
×8
+106ft-24ft

Overall

14264

Males

9490

M50-54

9490

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14277

Males

9443

M50-54

9443

35K→23M

21.8 - 23.0 mi

Top 48%
×5
+23ft-63ft

Overall

14060

Males

9275

M50-54

9275

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16283

Males

10157

M50-54

10157

24M→40K

24.0 - 24.9 mi

Top 54%
×1
+6ft-20ft

Overall

15764

Males

9863

M50-54

9863

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1
+13ft-16ft

Overall

17545

Males

10666

M50-54

10666

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18483

Males

11113

M50-54

11113

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1157*
Passed By
1825
Net Change
-1803
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12199
5K → 10K38200-1006#12199#13205
10K → 15K115200-289#13205#13494
15K → 20K141200-85#13494#13579
20K → HALF1251-39#13579#13618
HALF → 25K17582+93#13618#13525
25K → 30K212*155+57#13525#13468
30K → 20M13546+89#13468#13379
20M → 21M71110-39#13379#13418
21M → 35K5863-5#13418#13423
35K → 23M84108-24#13423#13447
23M → 24M43194-151#13447#13598
24M → 40K37125-88#13598#13686
40K → 25.2M1991-72#13686#13758
25.2M → FINISH17200-244#13758#14002
TOTALS1157*1825-1803

* 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing