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BOSTON MARATHON 2026

Jakob Nielsen

Bib: 23546•M

WA

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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 (M60-64)
#0 / 1514
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
28:53
3.11 mi
Rank: #23776
Start → 5K
28:53 | 9:18/mi
10K
55:39
6.21 mi
Rank: #22520 (+1256)
5K → 10K
26:46 | 8:37/mi
15K
1:22:17
9.32 mi
Rank: #21916 (+604)
10K → 15K
26:38 | 8:35/mi
20K
1:49:11
12.43 mi
Rank: #21475 (+441)
15K → 20K
26:54 | 8:40/mi
HALF
1:54:55
13.11 mi
Rank: #21385 (+90)
20K → HALF
5:44 | 8:25/mi
25K
2:15:59
15.53 mi
Rank: #21103 (+282)
HALF → 25K
21:04 | 8:42/mi
30K
2:44:03
18.64 mi
Rank: #20846 (+257)
25K → 30K
28:04 | 9:03/mi
20M
2:56:28
20.00 mi
Rank: #20746 (+100)
30K → 20M
12:25 | 9:09/mi
21M
3:06:15
21.00 mi
Rank: #20664 (+82)
20M → 21M
9:47 | 9:47/mi
35K
3:12:53
21.75 mi
Rank: #20620 (+44)
21M → 35K
6:38 | 8:52/mi
23M
3:24:30
23.00 mi
Rank: #20566 (+54)
35K → 23M
11:37 | 9:17/mi
24M
3:33:28
24.00 mi
Rank: #20511 (+55)
23M → 24M
8:58 | 8:58/mi
40K
3:41:26
24.85 mi
Rank: #20482 (+29)
24M → 40K
7:58 | 9:20/mi
25.2M
3:45:12
25.20 mi
Rank: #20519 (-37)
40K → 25.2M
3:46 | 10:56/mi
FINISH
3:54:27
26.22 mi
Rank: #20550 (-31)
25.2M → FINISH
9:15 | 9:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:54:55
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time1:59:32
Pace9:08 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5828:539:1828:53
9:18
-
10K
6.21 mi12:17:4455:398:5826:46
8:37
-0:41
15K
9.32 mi12:44:221:22:178:5026:38
8:35
-0:02
20K
12.43 mi13:11:161:49:118:4826:54
8:40
+0:05
HALF
13.11 mi13:17:001:54:558:465:44
8:25
-0:15
25K
15.53 mi13:38:042:15:598:4621:04
8:42
+0:17
30K
18.64 mi14:06:082:44:038:4928:04
9:03
+0:21
20M
20.00 mi14:18:332:56:288:5012:25
9:09
+0:06
21M
21.00 mi14:28:203:06:158:539:47
9:47
+0:38
35K
21.75 mi14:34:583:12:538:536:38
8:52
-0:55
23M
23.00 mi14:46:353:24:308:5411:37
9:17
+0:25
24M
24.00 mi14:55:333:33:288:548:58
8:58
-0:19
40K
24.85 mi15:03:313:41:268:557:58
9:20
+0:22
25.2M
25.20 mi15:07:173:45:128:573:46
10:56
+1:36
FINISH
26.22 mi15:16:323:54:278:579:15
9:05
-1:51

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

8:25 /mi

Average Pace

8:57 /mi

Slowest Pace

10:56 /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

1:47:06

46% of race

Time at Steady Pace

1:53:48

49% of race

Time at Slower Pace

13:33

6% of race

Average Pace: 8:56 /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 mi11:50:5828:539:1828:53
9:18
#23776
10K
6.21 mi12:17:4455:398:5826:46
8:37
#22520
15K
9.32 mi12:44:221:22:178:5026:38
8:35
#21916
20K
12.43 mi13:11:161:49:118:4826:54
8:40
#21475
HALF
13.11 mi13:17:001:54:558:465:44
8:25
#21385
25K
15.53 mi13:38:042:15:598:4621:04
8:42
#21103
30K
18.64 mi14:06:082:44:038:4928:04
9:03
#20846
20M
20.00 mi14:18:332:56:288:5012:25
9:09
#20746
21M
21.00 mi14:28:203:06:158:539:47
9:47
#20664
35K
21.75 mi14:34:583:12:538:536:38
8:52
#20620
23M
23.00 mi14:46:353:24:308:5411:37
9:17
#20566
24M
24.00 mi14:55:333:33:288:548:58
8:58
#20511
40K
24.85 mi15:03:313:41:268:557:58
9:20
#20482
25.2M
25.20 mi15:07:173:45:128:573:46
10:56
#20519
FINISH
26.22 mi15:16:323:54:278:579:15
9:05
#20550
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi23776141211412120512(Top 71%)12575(Top 77%)12575(Top 831%)
10K6.21 mi3.10 mi22520+125613505+61613505+61620964(Top 72%)12767(Top 78%)12767(Top 843%)
15K9.32 mi3.11 mi21916+60413204+30113204+30120512(Top 71%)12575(Top 77%)12575(Top 831%)
20K12.43 mi3.11 mi21475+44112980+22412980+22420207(Top 70%)12376(Top 76%)12376(Top 817%)
HALF13.11 mi0.68 mi21385+9012932+4812932+4819705(Top 68%)12208(Top 75%)12208(Top 806%)
25K15.53 mi2.42 mi21103+28212795+13712795+13719630(Top 68%)12092(Top 74%)12092(Top 799%)
30K18.64 mi3.11 mi20846+25712662+13312662+13319736(Top 68%)12051(Top 74%)12051(Top 796%)
20M20.00 mi1.36 mi20746+10012603+5912603+5919591(Top 68%)11932(Top 73%)11932(Top 788%)
21M21.00 mi1.00 mi20664+8212559+4412559+4419675(Top 68%)11922(Top 73%)11922(Top 787%)
35K21.75 mi0.75 mi20620+4412527+3212527+3219454(Top 67%)11715(Top 72%)11715(Top 774%)
23M23.00 mi1.25 mi20566+5412487+4012487+4019774(Top 68%)11826(Top 72%)11826(Top 781%)
24M24.00 mi1.00 mi20511+5512444+4312444+4319301(Top 67%)11564(Top 71%)11564(Top 764%)
40K24.85 mi0.85 mi20482+2912411+3312411+3319726(Top 68%)11717(Top 72%)11717(Top 774%)
25.2M25.20 mi0.35 mi20519-3712422-1112422-1122152(Top 76%)12901(Top 79%)12901(Top 852%)
FINISH26.22 mi1.02 mi20550-3112432-1012432-1020820(Top 72%)12261(Top 75%)12261(Top 810%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20512

Males

12575

M60-64

12575

5K→10K

3.1 - 6.2 mi

Top 72%
×5
+79ft-138ft

Overall

20964

Males

12767

M60-64

12767

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20512

Males

12575

M60-64

12575

15K→20K

9.3 - 12.4 mi

Top 70%
×5
+106ft-86ft

Overall

20207

Males

12376

M60-64

12376

20K→HALF

12.4 - 13.1 mi

Top 68%
×2
+19ft-37ft

Overall

19705

Males

12208

M60-64

12208

HALF→25K

13.1 - 15.5 mi

Top 68%
×4
+66ft-88ft

Overall

19630

Males

12092

M60-64

12092

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19736

Males

12051

M60-64

12051

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19591

Males

11932

M60-64

11932

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19675

Males

11922

M60-64

11922

21M→35K

21.0 - 21.8 mi

Top 67%
×7
+17ft-86ft

Overall

19454

Males

11715

M60-64

11715

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19774

Males

11826

M60-64

11826

23M→24M

23.0 - 24.0 mi

Top 67%
×6
+12ft-82ft

Overall

19301

Males

11564

M60-64

11564

24M→40K

24.0 - 24.9 mi

Top 68%
×1
+6ft-20ft

Overall

19726

Males

11717

M60-64

11717

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1
+13ft-16ft

Overall

22152

Males

12901

M60-64

12901

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20820

Males

12261

M60-64

12261

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3672
Passed By
446
Net Change
+3226
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23776
5K → 10K127014+1256#23776#22520
10K → 15K62420+604#22520#21916
15K → 20K46120+441#21916#21475
20K → HALF944+90#21475#21385
HALF → 25K29816+282#21385#21103
25K → 30K29740+257#21103#20846
30K → 20M13030+100#20846#20746
20M → 21M11836+82#20746#20664
21M → 35K6016+44#20664#20620
35K → 23M10248+54#20620#20566
23M → 24M8227+55#20566#20511
24M → 40K6940+29#20511#20482
40K → 25.2M1451-37#20482#20519
25.2M → FINISH5384-31#20519#20550
TOTALS3672446+3226
📊

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