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BOSTON MARATHON 2026

Daniel Buckelew

Bib: P138β€’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
51Β°/41Β°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
31:04
3.11 mi
Rank: #25953
Start β†’ 5K
31:04 | 10:00/mi
10K
1:02:14
6.21 mi
Rank: #25928 (+25)
5K β†’ 10K
31:10 | 10:02/mi
15K
1:33:20
9.32 mi
Rank: #25852 (+76)
10K β†’ 15K
31:06 | 10:01/mi
20K
2:04:36
12.43 mi
Rank: #25656 (+196)
15K β†’ 20K
31:16 | 10:04/mi
HALF
2:11:25
13.11 mi
Rank: #25660 (-4)
20K β†’ HALF
6:49 | 10:01/mi
25K
2:36:06
15.53 mi
Rank: #25507 (+153)
HALF β†’ 25K
24:41 | 10:11/mi
30K
3:08:40
18.64 mi
Rank: #25256 (+251)
25K β†’ 30K
32:34 | 10:29/mi
20M
3:22:42
20.00 mi
Rank: #25123 (+133)
30K β†’ 20M
14:02 | 10:20/mi
21M
3:33:22
21.00 mi
Rank: #24974 (+149)
20M β†’ 21M
10:40 | 10:40/mi
35K
3:40:19
21.75 mi
Rank: #24841 (+133)
21M β†’ 35K
6:57 | 9:18/mi
23M
3:52:15
23.00 mi
Rank: #24630 (+211)
35K β†’ 23M
11:56 | 9:33/mi
24M
4:01:38
24.00 mi
Rank: #24501 (+129)
23M β†’ 24M
9:23 | 9:23/mi
40K
4:09:56
24.85 mi
Rank: #24362 (+139)
24M β†’ 40K
8:18 | 9:43/mi
25.2M
4:13:39
25.20 mi
Rank: #24323 (+39)
40K β†’ 25.2M
3:43 | 10:47/mi
FINISH
4:24:46
26.22 mi
Rank: #24400 (-77)
25.2M β†’ FINISH
11:07 | 10:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:11:25
Pace10:02 /mi
2nd Half
Distance13.11 mi
Time2:13:21
Pace10:11 /mi
πŸ“ŠPositive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0631:0410:0031:04
10:00
-
10K
6.21 mi10:52:161:02:1410:0131:10
10:02
+0:02
15K
9.32 mi11:23:221:33:2010:0131:06
10:01
-0:01
20K
12.43 mi11:54:382:04:3610:0231:16
10:04
+0:03
HALF
13.11 mi12:01:272:11:2510:026:49
10:01
-0:03
25K
15.53 mi12:26:082:36:0610:0324:41
10:11
+0:10
30K
18.64 mi12:58:423:08:4010:0832:34
10:29
+0:18
20M
20.00 mi13:12:443:22:4210:0914:02
10:20
-0:09
21M
21.00 mi13:23:243:33:2210:1010:40
10:40
+0:20
35K
21.75 mi13:30:213:40:1910:086:57
9:18
-1:22
23M
23.00 mi13:42:173:52:1510:0611:56
9:33
+0:15
24M
24.00 mi13:51:404:01:3810:059:23
9:23
-0:10
40K
24.85 mi13:59:584:09:5610:048:18
9:43
+0:20
25.2M
25.20 mi14:03:414:13:3910:043:43
10:47
+1:04
FINISH
26.22 mi14:14:484:24:4610:0711:07
10:55
+0:08

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:18 /mi

Average Pace

10:06 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

3:12:40

73% of race

Time at Steady Pace

1:12:06

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:06 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:21:0631:0410:0031:04
10:00
#25953
10K
6.21 mi10:52:161:02:1410:0131:10
10:02
#25928
15K
9.32 mi11:23:221:33:2010:0131:06
10:01
#25852
20K
12.43 mi11:54:382:04:3610:0231:16
10:04
#25656
HALF
13.11 mi12:01:272:11:2510:026:49
10:01
#25660
25K
15.53 mi12:26:082:36:0610:0324:41
10:11
#25507
30K
18.64 mi12:58:423:08:4010:0832:34
10:29
#25256
20M
20.00 mi13:12:443:22:4210:0914:02
10:20
#25123
21M
21.00 mi13:23:243:33:2210:1010:40
10:40
#24974
35K
21.75 mi13:30:213:40:1910:086:57
9:18
#24841
23M
23.00 mi13:42:173:52:1510:0611:56
9:33
#24630
24M
24.00 mi13:51:404:01:3810:059:23
9:23
#24501
40K
24.85 mi13:59:584:09:5610:048:18
9:43
#24362
25.2M
25.20 mi14:03:414:13:3910:043:43
10:47
#24323
FINISH
26.22 mi14:14:484:24:4610:0711:07
10:55
#24400
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 mi25953151781517825703(Top 89%)15046(Top 92%)15046(Top 685%)
10K6.21 mi3.10 mi25928+2515146+3215146+3225922(Top 89%)15139(Top 93%)15139(Top 689%)
15K9.32 mi3.11 mi25852+7615116+3015116+3025703(Top 89%)15046(Top 92%)15046(Top 685%)
20K12.43 mi3.11 mi25656+19615026+9015026+9025189(Top 87%)14796(Top 91%)14796(Top 673%)
HALF13.11 mi0.68 mi25660-4150261502625681(Top 88%)14988(Top 92%)14988(Top 682%)
25K15.53 mi2.42 mi25507+15314950+7614950+7624714(Top 85%)14535(Top 89%)14535(Top 661%)
30K18.64 mi3.11 mi25256+25114800+15014800+15024264(Top 84%)14186(Top 87%)14186(Top 645%)
20M20.00 mi1.36 mi25123+13314718+8214718+8223432(Top 81%)13738(Top 84%)13738(Top 625%)
21M21.00 mi1.00 mi24974+14914638+8014638+8022346(Top 77%)13195(Top 81%)13195(Top 600%)
35K21.75 mi0.75 mi24841+13314570+6814570+6821118(Top 73%)12553(Top 77%)12553(Top 571%)
23M23.00 mi1.25 mi24630+21114453+11714453+11720700(Top 71%)12320(Top 75%)12320(Top 561%)
24M24.00 mi1.00 mi24501+12914372+8114372+8120927(Top 72%)12351(Top 76%)12351(Top 562%)
40K24.85 mi0.85 mi24362+13914280+9214280+9221074(Top 73%)12387(Top 76%)12387(Top 564%)
25.2M25.20 mi0.35 mi24323+3914256+2414256+2421829(Top 75%)12767(Top 78%)12767(Top 581%)
FINISH26.22 mi1.02 mi24400-7714283-2714283-2725941(Top 89%)14728(Top 90%)14728(Top 670%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
Γ—21
+97ft-345ft

Overall

25703

Males

15046

M40-44

15046

5K→10K

3.1 - 6.2 mi

Top 89%
Γ—5
+79ft-138ft

Overall

25922

Males

15139

M40-44

15139

10K→15K

6.2 - 9.3 mi

Top 89%
Γ—3
+67ft-78ft

Overall

25703

Males

15046

M40-44

15046

15K→20K

9.3 - 12.4 mi

Top 87%
Γ—5
+106ft-86ft

Overall

25189

Males

14796

M40-44

14796

20K→HALF

12.4 - 13.1 mi

Top 88%
Γ—2
+19ft-37ft

Overall

25681

Males

14988

M40-44

14988

HALF→25K

13.1 - 15.5 mi

Top 85%
Γ—4
+66ft-88ft

Overall

24714

Males

14535

M40-44

14535

25K→30K

15.5 - 18.6 mi

Top 84%
Γ—9
+181ft-148ft

Overall

24264

Males

14186

M40-44

14186

30K→20M

18.6 - 20.0 mi

Top 81%
Γ—5
+64ft-50ft

Overall

23432

Males

13738

M40-44

13738

20M→21M

20.0 - 21.0 mi

Top 77%
Γ—8
+106ft-24ft

Overall

22346

Males

13195

M40-44

13195

21M→35K

21.0 - 21.8 mi

Top 73%
Γ—7
+17ft-86ft

Overall

21118

Males

12553

M40-44

12553

35K→23M

21.8 - 23.0 mi

Top 71%
Γ—5
+23ft-63ft

Overall

20700

Males

12320

M40-44

12320

23M→24M

23.0 - 24.0 mi

Top 72%
Γ—6
+12ft-82ft

Overall

20927

Males

12351

M40-44

12351

24M→40K

24.0 - 24.9 mi

Top 73%
Γ—1
+6ft-20ft

Overall

21074

Males

12387

M40-44

12387

40K→25.2M

24.9 - 25.2 mi

Top 75%
Γ—1
+13ft-16ft

Overall

21829

Males

12767

M40-44

12767

25.2M→FINISH

25.2 - 26.2 mi

Top 89%
Γ—2
+22ft-21ft

Overall

25941

Males

14728

M40-44

14728

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2048*
Passed By
495
Net Change
+1553
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25953
5K β†’ 10K216*191+25#25953#25928
10K β†’ 15K15680+76#25928#25852
15K β†’ 20K231*35+196#25852#25656
20K β†’ HALF2024-4#25656#25660
HALF β†’ 25K17522+153#25660#25507
25K β†’ 30K268*17+251#25507#25256
30K β†’ 20M14310+133#25256#25123
20M β†’ 21M1567+149#25123#24974
21M β†’ 35K1341+133#24974#24841
35K β†’ 23M213*2+211#24841#24630
23M β†’ 24M1301+129#24630#24501
24M β†’ 40K1423+139#24501#24362
40K β†’ 25.2M412+39#24362#24323
25.2M β†’ FINISH23100-77#24323#24400
TOTALS2048*495+1553

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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