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BOSTON MARATHON 2026

Jarl Nelson

Bib: 15452•M

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M55-59)
#0 / 1491
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
24:36
3.11 mi
Rank: #16316
Start → 5K
24:36 | 7:56/mi
10K
49:23
6.21 mi
Rank: #16693 (-377)
5K → 10K
24:47 | 7:59/mi
15K
1:14:00
9.32 mi
Rank: #16606 (+87)
10K → 15K
24:37 | 7:56/mi
20K
1:38:45
12.43 mi
Rank: #16411 (+195)
15K → 20K
24:45 | 7:58/mi
HALF
1:44:10
13.11 mi
Rank: #16406 (+5)
20K → HALF
5:25 | 7:57/mi
25K
2:03:50
15.53 mi
Rank: #16351 (+55)
HALF → 25K
19:40 | 8:07/mi
30K
2:29:51
18.64 mi
Rank: #16261 (+90)
25K → 30K
26:01 | 8:23/mi
20M
2:41:31
20.00 mi
Rank: #16297 (-36)
30K → 20M
11:40 | 8:36/mi
21M
2:50:28
21.00 mi
Rank: #16218 (+79)
20M → 21M
8:57 | 8:57/mi
35K
2:56:43
21.75 mi
Rank: #16226 (-8)
21M → 35K
6:15 | 8:22/mi
23M
3:07:44
23.00 mi
Rank: #16286 (-60)
35K → 23M
11:01 | 8:49/mi
24M
3:16:20
24.00 mi
Rank: #16315 (-29)
23M → 24M
8:36 | 8:36/mi
40K
3:23:47
24.85 mi
Rank: #16319 (-4)
24M → 40K
7:27 | 8:43/mi
25.2M
3:26:57
25.20 mi
Rank: #16303 (+16)
40K → 25.2M
3:10 | 9:11/mi
FINISH
3:35:31
26.22 mi
Rank: #16356 (-53)
25.2M → FINISH
8:34 | 8:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:10
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:51:21
Pace8:30 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5724:367:5624:36
7:56
-
10K
6.21 mi11:20:4449:237:5724:47
7:59
+0:03
15K
9.32 mi11:45:211:14:007:5724:37
7:56
-0:03
20K
12.43 mi12:10:061:38:457:5724:45
7:58
+0:02
HALF
13.11 mi12:15:311:44:107:575:25
7:57
-0:01
25K
15.53 mi12:35:112:03:507:5919:40
8:07
+0:10
30K
18.64 mi13:01:122:29:518:0326:01
8:23
+0:16
20M
20.00 mi13:12:522:41:318:0511:40
8:36
+0:13
21M
21.00 mi13:21:492:50:288:088:57
8:57
+0:21
35K
21.75 mi13:28:042:56:438:086:15
8:22
-0:35
23M
23.00 mi13:39:053:07:448:1011:01
8:49
+0:27
24M
24.00 mi13:47:413:16:208:118:36
8:36
-0:13
40K
24.85 mi13:55:083:23:478:127:27
8:43
+0:07
25.2M
25.20 mi13:58:183:26:578:133:10
9:11
+0:28
FINISH
26.22 mi14:06:523:35:318:148:34
8:25
-0:46

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

7:56 /mi

Average Pace

8:14 /mi

Slowest Pace

9:11 /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

3:12:23

89% of race

Time at Steady Pace

23:08

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi10:55:5724:367:5624:36
7:56
#16316
10K
6.21 mi11:20:4449:237:5724:47
7:59
#16693
15K
9.32 mi11:45:211:14:007:5724:37
7:56
#16606
20K
12.43 mi12:10:061:38:457:5724:45
7:58
#16411
HALF
13.11 mi12:15:311:44:107:575:25
7:57
#16406
25K
15.53 mi12:35:112:03:507:5919:40
8:07
#16351
30K
18.64 mi13:01:122:29:518:0326:01
8:23
#16261
20M
20.00 mi13:12:522:41:318:0511:40
8:36
#16297
21M
21.00 mi13:21:492:50:288:088:57
8:57
#16218
35K
21.75 mi13:28:042:56:438:086:15
8:22
#16226
23M
23.00 mi13:39:053:07:448:1011:01
8:49
#16286
24M
24.00 mi13:47:413:16:208:118:36
8:36
#16315
40K
24.85 mi13:55:083:23:478:127:27
8:43
#16319
25.2M
25.20 mi13:58:183:26:578:133:10
9:11
#16303
FINISH
26.22 mi14:06:523:35:318:148:34
8:25
#16356
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16316107351073516391(Top 56%)10760(Top 66%)10760(Top 722%)
10K6.21 mi3.10 mi16693-37710873-13810873-13817058(Top 59%)11039(Top 68%)11039(Top 740%)
15K9.32 mi3.11 mi16606+8710846+2710846+2716391(Top 56%)10760(Top 66%)10760(Top 722%)
20K12.43 mi3.11 mi16411+19510758+8810758+8815871(Top 55%)10500(Top 64%)10500(Top 704%)
HALF13.11 mi0.68 mi16406+510749+910749+916660(Top 57%)10874(Top 67%)10874(Top 729%)
25K15.53 mi2.42 mi16351+5510711+3810711+3816182(Top 56%)10592(Top 65%)10592(Top 710%)
30K18.64 mi3.11 mi16261+9010631+8010631+8016106(Top 55%)10464(Top 64%)10464(Top 702%)
20M20.00 mi1.36 mi16297-3610634-310634-316693(Top 58%)10596(Top 65%)10596(Top 711%)
21M21.00 mi1.00 mi16218+7910577+5710577+5715841(Top 55%)10190(Top 62%)10190(Top 683%)
35K21.75 mi0.75 mi16226-810569+810569+816727(Top 58%)10501(Top 64%)10501(Top 704%)
23M23.00 mi1.25 mi16286-6010585-1610585-1617442(Top 60%)10719(Top 66%)10719(Top 719%)
24M24.00 mi1.00 mi16315-2910568+1710568+1717450(Top 60%)10673(Top 65%)10673(Top 716%)
40K24.85 mi0.85 mi16319-410552+1610552+1616895(Top 58%)10370(Top 63%)10370(Top 696%)
25.2M25.20 mi0.35 mi16303+1610536+1610536+1615645(Top 54%)9816(Top 60%)9816(Top 658%)
FINISH26.22 mi1.02 mi16356-5310534+210534+217620(Top 61%)10712(Top 66%)10712(Top 718%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21
+97ft-345ft

Overall

16391

Males

10760

M55-59

10760

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17058

Males

11039

M55-59

11039

10K→15K

6.2 - 9.3 mi

Top 56%
×3
+67ft-78ft

Overall

16391

Males

10760

M55-59

10760

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

15871

Males

10500

M55-59

10500

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16660

Males

10874

M55-59

10874

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16182

Males

10592

M55-59

10592

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

16106

Males

10464

M55-59

10464

30K→20M

18.6 - 20.0 mi

Top 58%
×5
+64ft-50ft

Overall

16693

Males

10596

M55-59

10596

20M→21M

20.0 - 21.0 mi

Top 55%
×8
+106ft-24ft

Overall

15841

Males

10190

M55-59

10190

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16727

Males

10501

M55-59

10501

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17442

Males

10719

M55-59

10719

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17450

Males

10673

M55-59

10673

24M→40K

24.0 - 24.9 mi

Top 58%
×1
+6ft-20ft

Overall

16895

Males

10370

M55-59

10370

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1
+13ft-16ft

Overall

15645

Males

9816

M55-59

9816

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17620

Males

10712

M55-59

10712

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1641
Passed By
1681
Net Change
-40
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16316
5K → 10K137514-377#16316#16693
10K → 15K240153+87#16693#16606
15K → 20K28085+195#16606#16411
20K → HALF4035+5#16411#16406
HALF → 25K163108+55#16406#16351
25K → 30K232142+90#16351#16261
30K → 20M81117-36#16261#16297
20M → 21M13051+79#16297#16218
21M → 35K5563-8#16218#16226
35K → 23M75135-60#16226#16286
23M → 24M6493-29#16286#16315
24M → 40K6670-4#16315#16319
40K → 25.2M3014+16#16319#16303
25.2M → FINISH48101-53#16303#16356
TOTALS16411681-40
📊

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