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BOSTON MARATHON 2026

Nicholas Keller

Bib: 12881•M

CA

Boston Marathon logo
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 (M45-49)
#0 / 2413
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
23:19
3.11 mi
Rank: #12808
Start → 5K
23:19 | 7:31/mi
10K
47:30
6.21 mi
Rank: #14125 (-1317)
5K → 10K
24:11 | 7:48/mi
15K
1:11:44
9.32 mi
Rank: #14506 (-381)
10K → 15K
24:14 | 7:48/mi
20K
1:36:00
12.43 mi
Rank: #14503 (+3)
15K → 20K
24:16 | 7:49/mi
HALF
1:41:17
13.11 mi
Rank: #14548 (-45)
20K → HALF
5:17 | 7:46/mi
25K
2:00:12
15.53 mi
Rank: #14408 (+140)
HALF → 25K
18:55 | 7:49/mi
30K
2:25:14
18.64 mi
Rank: #14282 (+126)
25K → 30K
25:02 | 8:04/mi
20M
2:36:15
20.00 mi
Rank: #14208 (+74)
30K → 20M
11:01 | 8:07/mi
21M
2:44:52
21.00 mi
Rank: #14158 (+50)
20M → 21M
8:37 | 8:37/mi
35K
2:50:47
21.75 mi
Rank: #14124 (+34)
21M → 35K
5:55 | 7:55/mi
23M
3:00:53
23.00 mi
Rank: #14020 (+104)
35K → 23M
10:06 | 8:05/mi
24M
3:08:45
24.00 mi
Rank: #13963 (+57)
23M → 24M
7:52 | 7:52/mi
40K
3:15:39
24.85 mi
Rank: #13914 (+49)
24M → 40K
6:54 | 8:05/mi
25.2M
3:18:43
25.20 mi
Rank: #13916 (-2)
40K → 25.2M
3:04 | 8:54/mi
FINISH
3:26:47
26.22 mi
Rank: #13948 (-32)
25.2M → FINISH
8:04 | 7:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:45:30
Pace8:03 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3523:197:3123:19
7:31
-
10K
6.21 mi11:15:4647:307:3924:11
7:48
+0:17
15K
9.32 mi11:40:001:11:447:4224:14
7:48
0:00
20K
12.43 mi12:04:161:36:007:4424:16
7:49
+0:01
HALF
13.11 mi12:09:331:41:177:445:17
7:46
-0:03
25K
15.53 mi12:28:282:00:127:4518:55
7:49
+0:03
30K
18.64 mi12:53:302:25:147:4825:02
8:04
+0:15
20M
20.00 mi13:04:312:36:157:4911:01
8:07
+0:03
21M
21.00 mi13:13:082:44:527:528:37
8:37
+0:30
35K
21.75 mi13:19:032:50:477:525:55
7:55
-0:42
23M
23.00 mi13:29:093:00:537:5210:06
8:05
+0:10
24M
24.00 mi13:37:013:08:457:527:52
7:52
-0:13
40K
24.85 mi13:43:553:15:397:536:54
8:05
+0:13
25.2M
25.20 mi13:46:593:18:437:543:04
8:54
+0:49
FINISH
26.22 mi13:55:033:26:477:548:04
7:55
-0:59

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

7:31 /mi

Average Pace

7:54 /mi

Slowest Pace

8:54 /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

3:15:06

94% of race

Time at Steady Pace

8:37

4% of race

Time at Slower Pace

3:04

1% of race

Average Pace: 7:53 /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 mi10:51:3523:197:3123:19
7:31
#12808
10K
6.21 mi11:15:4647:307:3924:11
7:48
#14125
15K
9.32 mi11:40:001:11:447:4224:14
7:48
#14506
20K
12.43 mi12:04:161:36:007:4424:16
7:49
#14503
HALF
13.11 mi12:09:331:41:177:445:17
7:46
#14548
25K
15.53 mi12:28:282:00:127:4518:55
7:49
#14408
30K
18.64 mi12:53:302:25:147:4825:02
8:04
#14282
20M
20.00 mi13:04:312:36:157:4911:01
8:07
#14208
21M
21.00 mi13:13:082:44:527:528:37
8:37
#14158
35K
21.75 mi13:19:032:50:477:525:55
7:55
#14124
23M
23.00 mi13:29:093:00:537:5210:06
8:05
#14020
24M
24.00 mi13:37:013:08:457:527:52
7:52
#13963
40K
24.85 mi13:43:553:15:397:536:54
8:05
#13914
25.2M
25.20 mi13:46:593:18:437:543:04
8:54
#13916
FINISH
26.22 mi13:55:033:26:477:548:04
7:55
#13948
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi128089384938415328(Top 53%)10322(Top 63%)10322(Top 428%)
10K6.21 mi3.10 mi14125-13179896-5129896-51215466(Top 53%)10407(Top 64%)10407(Top 431%)
15K9.32 mi3.11 mi14506-38110019-12310019-12315328(Top 53%)10322(Top 63%)10322(Top 428%)
20K12.43 mi3.11 mi14503+310011+810011+814601(Top 50%)9976(Top 61%)9976(Top 413%)
HALF13.11 mi0.68 mi14548-4510033-2210033-2215089(Top 52%)10234(Top 63%)10234(Top 424%)
25K15.53 mi2.42 mi14408+1409944+899944+8913822(Top 48%)9578(Top 59%)9578(Top 397%)
30K18.64 mi3.11 mi14282+1269857+879857+8713915(Top 48%)9515(Top 58%)9515(Top 394%)
20M20.00 mi1.36 mi14208+749804+539804+5313591(Top 47%)9260(Top 57%)9260(Top 384%)
21M21.00 mi1.00 mi14158+509759+459759+4513834(Top 48%)9289(Top 57%)9289(Top 385%)
35K21.75 mi0.75 mi14124+349728+319728+3113819(Top 48%)9241(Top 57%)9241(Top 383%)
23M23.00 mi1.25 mi14020+1049656+729656+7212926(Top 45%)8782(Top 54%)8782(Top 364%)
24M24.00 mi1.00 mi13963+579610+469610+4612783(Top 44%)8609(Top 53%)8609(Top 357%)
40K24.85 mi0.85 mi13914+499562+489562+4812949(Top 45%)8604(Top 53%)8604(Top 357%)
25.2M25.20 mi0.35 mi13916-29548+149548+1414005(Top 48%)9049(Top 55%)9049(Top 375%)
FINISH26.22 mi1.02 mi13948-329544+49544+414581(Top 50%)9308(Top 57%)9308(Top 386%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15328

Males

10322

M45-49

10322

5K→10K

3.1 - 6.2 mi

Top 53%
×5
+79ft-138ft

Overall

15466

Males

10407

M45-49

10407

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15328

Males

10322

M45-49

10322

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14601

Males

9976

M45-49

9976

20K→HALF

12.4 - 13.1 mi

Top 52%
×2
+19ft-37ft

Overall

15089

Males

10234

M45-49

10234

HALF→25K

13.1 - 15.5 mi

Top 48%
×4
+66ft-88ft

Overall

13822

Males

9578

M45-49

9578

25K→30K

15.5 - 18.6 mi

Top 48%
×9
+181ft-148ft

Overall

13915

Males

9515

M45-49

9515

30K→20M

18.6 - 20.0 mi

Top 47%
×5
+64ft-50ft

Overall

13591

Males

9260

M45-49

9260

20M→21M

20.0 - 21.0 mi

Top 48%
×8
+106ft-24ft

Overall

13834

Males

9289

M45-49

9289

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

13819

Males

9241

M45-49

9241

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

12926

Males

8782

M45-49

8782

23M→24M

23.0 - 24.0 mi

Top 44%
×6
+12ft-82ft

Overall

12783

Males

8609

M45-49

8609

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

12949

Males

8604

M45-49

8604

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1
+13ft-16ft

Overall

14005

Males

9049

M45-49

9049

25.2M→FINISH

25.2 - 26.2 mi

Top 50%
×2
+22ft-21ft

Overall

14581

Males

9308

M45-49

9308

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1497
Passed By
2637
Net Change
-1140
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12808
5K → 10K311348-1317#12808#14125
10K → 15K101482-381#14125#14506
15K → 20K167164+3#14506#14503
20K → HALF1257-45#14503#14548
HALF → 25K20565+140#14548#14408
25K → 30K250124+126#14408#14282
30K → 20M13561+74#14282#14208
20M → 21M11767+50#14208#14158
21M → 35K7036+34#14158#14124
35K → 23M14642+104#14124#14020
23M → 24M8326+57#14020#13963
24M → 40K9445+49#13963#13914
40K → 25.2M2729-2#13914#13916
25.2M → FINISH5991-32#13916#13948
TOTALS14972637-1140
📊

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