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BOSTON MARATHON 2026

Per Ahlström

Bib: 11349•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 33%
Gender (Male)
#0 / 16340
Top 46%
Masters (Masters Men)
#0 / 10617
Top 35%
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
21:52
3.11 mi
Rank: #8855
Start → 5K
21:52 | 7:03/mi
10K
43:56
6.21 mi
Rank: #9122 (-267)
5K → 10K
22:04 | 7:07/mi
15K
1:05:53
9.32 mi
Rank: #9056 (+66)
10K → 15K
21:57 | 7:04/mi
20K
1:27:55
12.43 mi
Rank: #8904 (+152)
15K → 20K
22:02 | 7:06/mi
HALF
1:32:43
13.11 mi
Rank: #8906 (-2)
20K → HALF
4:48 | 7:03/mi
25K
1:50:15
15.53 mi
Rank: #8896 (+10)
HALF → 25K
17:32 | 7:14/mi
30K
2:12:57
18.64 mi
Rank: #8690 (+206)
25K → 30K
22:42 | 7:19/mi
20M
2:23:01
20.00 mi
Rank: #8621 (+69)
30K → 20M
10:04 | 7:25/mi
21M
2:30:52
21.00 mi
Rank: #8584 (+37)
20M → 21M
7:51 | 7:51/mi
35K
2:36:21
21.75 mi
Rank: #8570 (+14)
21M → 35K
5:29 | 7:20/mi
23M
2:46:29
23.00 mi
Rank: #8837 (-267)
35K → 23M
10:08 | 8:06/mi
24M
2:54:20
24.00 mi
Rank: #8973 (-136)
23M → 24M
7:51 | 7:51/mi
40K
3:01:59
24.85 mi
Rank: #9297 (-324)
24M → 40K
7:39 | 8:57/mi
25.2M
3:05:11
25.20 mi
Rank: #9420 (-123)
40K → 25.2M
3:12 | 9:17/mi
FINISH
3:13:30
26.22 mi
Rank: #9706 (-286)
25.2M → FINISH
8:19 | 8:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:43
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:40:47
Pace7:42 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:5021:527:0321:52
7:03
-
10K
6.21 mi11:01:5443:567:0522:04
7:07
+0:04
15K
9.32 mi11:23:511:05:537:0521:57
7:04
-0:03
20K
12.43 mi11:45:531:27:557:0522:02
7:06
+0:02
HALF
13.11 mi11:50:411:32:437:054:48
7:03
-0:03
25K
15.53 mi12:08:131:50:157:0617:32
7:14
+0:11
30K
18.64 mi12:30:552:12:577:0822:42
7:19
+0:05
20M
20.00 mi12:40:592:23:017:1010:04
7:25
+0:06
21M
21.00 mi12:48:502:30:527:127:51
7:51
+0:26
35K
21.75 mi12:54:192:36:217:125:29
7:20
-0:31
23M
23.00 mi13:04:272:46:297:1510:08
8:06
+0:46
24M
24.00 mi13:12:182:54:207:167:51
7:51
-0:15
40K
24.85 mi13:19:573:01:597:207:39
8:57
+1:06
25.2M
25.20 mi13:23:093:05:117:213:12
9:17
+0:20
FINISH
26.22 mi13:31:283:13:307:248:19
8:10
-1:07

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

7:03 /mi

Average Pace

7:23 /mi

Slowest Pace

9:17 /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

0:00

0% of race

Time at Steady Pace

2:28:30

77% of race

Time at Slower Pace

45:00

23% of race

Average Pace: 7:23 /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 mi10:39:5021:527:0321:52
7:03
#8855
10K
6.21 mi11:01:5443:567:0522:04
7:07
#9122
15K
9.32 mi11:23:511:05:537:0521:57
7:04
#9056
20K
12.43 mi11:45:531:27:557:0522:02
7:06
#8904
HALF
13.11 mi11:50:411:32:437:054:48
7:03
#8906
25K
15.53 mi12:08:131:50:157:0617:32
7:14
#8896
30K
18.64 mi12:30:552:12:577:0822:42
7:19
#8690
20M
20.00 mi12:40:592:23:017:1010:04
7:25
#8621
21M
21.00 mi12:48:502:30:527:127:51
7:51
#8584
35K
21.75 mi12:54:192:36:217:125:29
7:20
#8570
23M
23.00 mi13:04:272:46:297:1510:08
8:06
#8837
24M
24.00 mi13:12:182:54:207:167:51
7:51
#8973
40K
24.85 mi13:19:573:01:597:207:39
8:57
#9297
25.2M
25.20 mi13:23:093:05:117:213:12
9:17
#9420
FINISH
26.22 mi13:31:283:13:307:248:19
8:10
#9706
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 mi8855747074709001(Top 31%)7489(Top 46%)7489(Top 310%)
10K6.21 mi3.10 mi9122-2677607-1377607-1379411(Top 32%)7741(Top 47%)7741(Top 321%)
15K9.32 mi3.11 mi9056+667546+617546+619001(Top 31%)7489(Top 46%)7489(Top 310%)
20K12.43 mi3.11 mi8904+1527436+1107436+1108534(Top 29%)7153(Top 44%)7153(Top 296%)
HALF13.11 mi0.68 mi8906-27438-27438-28980(Top 31%)7459(Top 46%)7459(Top 309%)
25K15.53 mi2.42 mi8896+107407+317407+319110(Top 31%)7388(Top 45%)7388(Top 306%)
30K18.64 mi3.11 mi8690+2067246+1617246+1618146(Top 28%)6700(Top 41%)6700(Top 278%)
20M20.00 mi1.36 mi8621+697169+777169+778453(Top 29%)6754(Top 41%)6754(Top 280%)
21M21.00 mi1.00 mi8584+377120+497120+498849(Top 30%)6860(Top 42%)6860(Top 284%)
35K21.75 mi0.75 mi8570+147087+337087+339511(Top 33%)7227(Top 44%)7227(Top 300%)
23M23.00 mi1.25 mi8837-2677204-1177204-11713095(Top 45%)8828(Top 54%)8828(Top 366%)
24M24.00 mi1.00 mi8973-1367257-537257-5312646(Top 44%)8532(Top 52%)8532(Top 354%)
40K24.85 mi0.85 mi9297-3247422-1657422-16518097(Top 62%)10929(Top 67%)10929(Top 453%)
25.2M25.20 mi0.35 mi9420-1237475-537475-5316109(Top 56%)10002(Top 61%)10002(Top 415%)
FINISH26.22 mi1.02 mi9706-2867590-1157590-11516151(Top 56%)10048(Top 61%)10048(Top 416%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21
+97ft-345ft

Overall

9001

Males

7489

M45-49

7489

5K→10K

3.1 - 6.2 mi

Top 32%
×5
+79ft-138ft

Overall

9411

Males

7741

M45-49

7741

10K→15K

6.2 - 9.3 mi

Top 31%
×3
+67ft-78ft

Overall

9001

Males

7489

M45-49

7489

15K→20K

9.3 - 12.4 mi

Top 29%
×5
+106ft-86ft

Overall

8534

Males

7153

M45-49

7153

20K→HALF

12.4 - 13.1 mi

Top 31%
×2
+19ft-37ft

Overall

8980

Males

7459

M45-49

7459

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

9110

Males

7388

M45-49

7388

25K→30K

15.5 - 18.6 mi

Top 28%
×9
+181ft-148ft

Overall

8146

Males

6700

M45-49

6700

30K→20M

18.6 - 20.0 mi

Top 29%
×5
+64ft-50ft

Overall

8453

Males

6754

M45-49

6754

20M→21M

20.0 - 21.0 mi

Top 30%
×8
+106ft-24ft

Overall

8849

Males

6860

M45-49

6860

21M→35K

21.0 - 21.8 mi

Top 33%
×7
+17ft-86ft

Overall

9511

Males

7227

M45-49

7227

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

13095

Males

8828

M45-49

8828

23M→24M

23.0 - 24.0 mi

Top 44%
×6
+12ft-82ft

Overall

12646

Males

8532

M45-49

8532

24M→40K

24.0 - 24.9 mi

Top 62%
×1
+6ft-20ft

Overall

18097

Males

10929

M45-49

10929

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16109

Males

10002

M45-49

10002

25.2M→FINISH

25.2 - 26.2 mi

Top 56%
×2
+22ft-21ft

Overall

16151

Males

10048

M45-49

10048

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1309*
Passed By
1614
Net Change
-851
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8855
5K → 10K128200-267#8855#9122
10K → 15K171105+66#9122#9056
15K → 20K205*53+152#9056#8904
20K → HALF2224-2#8904#8906
HALF → 25K113103+10#8906#8896
25K → 30K279*73+206#8896#8690
30K → 20M12051+69#8690#8621
20M → 21M8952+37#8621#8584
21M → 35K6450+14#8584#8570
35K → 23M39200-267#8570#8837
23M → 24M32168-136#8837#8973
24M → 40K16200-324#8973#9297
40K → 25.2M12135-123#9297#9420
25.2M → FINISH19200-286#9420#9706
TOTALS1309*1614-851

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing