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BOSTON MARATHON 2026

Daniel Aerni

Bib: 26236 •M •Age: N/A

OH

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0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M75-79)
#0 / 68
Top 15%
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
27:46
3.11 mi
Rank: #22344
Start → 5K
27:46 | 8:57/mi
10K
55:01
6.21 mi
Rank: #22069 (+275)
5K → 10K
27:15 | 8:47/mi
15K
1:23:28
9.32 mi
Rank: #22534 (-465)
10K → 15K
28:27 | 9:10/mi
20K
1:52:04
12.43 mi
Rank: #22568 (-34)
15K → 20K
28:36 | 9:13/mi
HALF
1:58:00
13.11 mi
Rank: #22500 (+68)
20K → HALF
5:56 | 8:43/mi
25K
2:20:19
15.53 mi
Rank: #22397 (+103)
HALF → 25K
22:19 | 9:13/mi
30K
2:50:53
18.64 mi
Rank: #22497 (-100)
25K → 30K
30:34 | 9:51/mi
20M
3:04:23
20.00 mi
Rank: #22483 (+14)
30K → 20M
13:30 | 9:57/mi
21M
3:15:25
21.00 mi
Rank: #22541 (-58)
20M → 21M
11:02 | 11:02/mi
35K
3:22:34
21.75 mi
Rank: #22512 (+29)
21M → 35K
7:09 | 9:34/mi
23M
3:35:20
23.00 mi
Rank: #22515 (-3)
35K → 23M
12:46 | 10:13/mi
24M
3:45:21
24.00 mi
Rank: #22544 (-29)
23M → 24M
10:01 | 10:01/mi
40K
3:55:03
24.85 mi
Rank: #22648 (-104)
24M → 40K
9:42 | 11:21/mi
25.2M
3:59:14
25.20 mi
Rank: #22688 (-40)
40K → 25.2M
4:11 | 12:08/mi
FINISH
4:10:36
26.22 mi
Rank: #22856 (-168)
25.2M → FINISH
11:22 | 11:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:00
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:12:36
Pace10:07 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:0527:468:5727:46
8:57
-
10K
6.21 mi12:03:2055:018:5227:15
8:47
-0:10
15K
9.32 mi12:31:471:23:288:5828:27
9:10
+0:23
20K
12.43 mi13:00:231:52:049:0228:36
9:13
+0:03
HALF
13.11 mi13:06:191:58:009:015:56
8:43
-0:30
25K
15.53 mi13:28:382:20:199:0222:19
9:13
+0:30
30K
18.64 mi13:59:122:50:539:1130:34
9:51
+0:38
20M
20.00 mi14:12:423:04:239:1413:30
9:57
+0:06
21M
21.00 mi14:23:443:15:259:1911:02
11:02
+1:05
35K
21.75 mi14:30:533:22:349:197:09
9:34
-1:28
23M
23.00 mi14:43:393:35:209:2212:46
10:13
+0:39
24M
24.00 mi14:53:403:45:219:2410:01
10:01
-0:12
40K
24.85 mi15:03:223:55:039:289:42
11:21
+1:20
25.2M
25.20 mi15:07:333:59:149:304:11
12:08
+0:47
FINISH
26.22 mi15:18:554:10:369:3411:22
11:10
-0:58

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

8:43 /mi

Average Pace

9:34 /mi

Slowest Pace

12:08 /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

2:20:19

56% of race

Time at Steady Pace

1:14:00

30% of race

Time at Slower Pace

36:17

14% of race

Average Pace: 9:33 /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 mi11:36:0527:468:5727:46
8:57
#22344
10K
6.21 mi12:03:2055:018:5227:15
8:47
#22069
15K
9.32 mi12:31:471:23:288:5828:27
9:10
#22534
20K
12.43 mi13:00:231:52:049:0228:36
9:13
#22568
HALF
13.11 mi13:06:191:58:009:015:56
8:43
#22500
25K
15.53 mi13:28:382:20:199:0222:19
9:13
#22397
30K
18.64 mi13:59:122:50:539:1130:34
9:51
#22497
20M
20.00 mi14:12:423:04:239:1413:30
9:57
#22483
21M
21.00 mi14:23:443:15:259:1911:02
11:02
#22541
35K
21.75 mi14:30:533:22:349:197:09
9:34
#22512
23M
23.00 mi14:43:393:35:209:2212:46
10:13
#22515
24M
24.00 mi14:53:403:45:219:2410:01
10:01
#22544
40K
24.85 mi15:03:223:55:039:289:42
11:21
#22648
25.2M
25.20 mi15:07:333:59:149:304:11
12:08
#22688
FINISH
26.22 mi15:18:554:10:369:3411:22
11:10
#22856
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM75-79Seg. OverallSeg. MalesSeg. M75-79
5K3.11 mi3.11 mi22344134011340123343(Top 80%)13929(Top 85%)13929(Top 20484%)
10K6.21 mi3.10 mi22069+27513271+13013271+13021761(Top 75%)13144(Top 80%)13144(Top 19329%)
15K9.32 mi3.11 mi22534-46513517-24613517-24623343(Top 80%)13929(Top 85%)13929(Top 20484%)
20K12.43 mi3.11 mi22568-3413544-2713544-2722773(Top 78%)13625(Top 83%)13625(Top 20037%)
HALF13.11 mi0.68 mi22500+6813500+4413500+4421337(Top 74%)12970(Top 79%)12970(Top 19074%)
25K15.53 mi2.42 mi22397+10313447+5313447+5322045(Top 76%)13259(Top 81%)13259(Top 19499%)
30K18.64 mi3.11 mi22497-10013453-613453-622673(Top 78%)13473(Top 82%)13473(Top 19813%)
20M20.00 mi1.36 mi22483+1413442+1113442+1122405(Top 77%)13260(Top 81%)13260(Top 19500%)
21M21.00 mi1.00 mi22541-5813450-813450-823182(Top 80%)13568(Top 83%)13568(Top 19953%)
35K21.75 mi0.75 mi22512+2913436+1413436+1421936(Top 76%)12932(Top 79%)12932(Top 19018%)
23M23.00 mi1.25 mi22515-313414+2213414+2222652(Top 78%)13230(Top 81%)13230(Top 19456%)
24M24.00 mi1.00 mi22544-2913410+413410+422837(Top 79%)13287(Top 81%)13287(Top 19540%)
40K24.85 mi0.85 mi22648-10413440-3013440-3024851(Top 86%)14199(Top 87%)14199(Top 20881%)
25.2M25.20 mi0.35 mi22688-4013455-1513455-1524666(Top 85%)14091(Top 86%)14091(Top 20722%)
FINISH26.22 mi1.02 mi22856-16813539-8413539-8426352(Top 91%)14932(Top 91%)14932(Top 21959%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21
+97ft-345ft

Overall

23343

Males

13929

M75-79

13929

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21761

Males

13144

M75-79

13144

10K→15K

6.2 - 9.3 mi

Top 80%
×3
+67ft-78ft

Overall

23343

Males

13929

M75-79

13929

15K→20K

9.3 - 12.4 mi

Top 78%
×5
+106ft-86ft

Overall

22773

Males

13625

M75-79

13625

20K→HALF

12.4 - 13.1 mi

Top 74%
×2
+19ft-37ft

Overall

21337

Males

12970

M75-79

12970

HALF→25K

13.1 - 15.5 mi

Top 76%
×4
+66ft-88ft

Overall

22045

Males

13259

M75-79

13259

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22673

Males

13473

M75-79

13473

30K→20M

18.6 - 20.0 mi

Top 77%
×5
+64ft-50ft

Overall

22405

Males

13260

M75-79

13260

20M→21M

20.0 - 21.0 mi

Top 80%
×8
+106ft-24ft

Overall

23182

Males

13568

M75-79

13568

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

21936

Males

12932

M75-79

12932

35K→23M

21.8 - 23.0 mi

Top 78%
×5
+23ft-63ft

Overall

22652

Males

13230

M75-79

13230

23M→24M

23.0 - 24.0 mi

Top 79%
×6
+12ft-82ft

Overall

22837

Males

13287

M75-79

13287

24M→40K

24.0 - 24.9 mi

Top 86%
×1
+6ft-20ft

Overall

24851

Males

14199

M75-79

14199

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1
+13ft-16ft

Overall

24666

Males

14091

M75-79

14091

25.2M→FINISH

25.2 - 26.2 mi

Top 91%
×2
+22ft-21ft

Overall

26352

Males

14932

M75-79

14932

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1385*
Passed By
1527
Net Change
-512
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22344
5K → 10K422*147+275#22344#22069
10K → 15K51200-465#22069#22534
15K → 20K157191-34#22534#22568
20K → HALF768+68#22568#22500
HALF → 25K16865+103#22500#22397
25K → 30K154200-100#22397#22497
30K → 20M8773+14#22497#22483
20M → 21M53111-58#22483#22541
21M → 35K5223+29#22541#22512
35K → 23M7982-3#22512#22515
23M → 24M4473-29#22515#22544
24M → 40K28132-104#22544#22648
40K → 25.2M545-40#22648#22688
25.2M → FINISH9177-168#22688#22856
TOTALS1385*1527-512

* 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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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