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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Bjorn Waldron

Bib: 4909 β€’M β€’Age: N/A

VA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 7%
Gender (Male)
#0 / 16340
Top 13%
Age Group (M18-39)
#0 / 5723
Top 30%
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
19:53
3.11 mi
Rank: #3437
Start β†’ 5K
19:53 | 6:24/mi
10K
39:16
6.21 mi
Rank: #2879 (+558)
5K β†’ 10K
19:23 | 6:15/mi
15K
58:47
9.32 mi
Rank: #2829 (+50)
10K β†’ 15K
19:31 | 6:17/mi
20K
1:18:26
12.43 mi
Rank: #2770 (+59)
15K β†’ 20K
19:39 | 6:20/mi
HALF
1:22:42
13.11 mi
Rank: #2762 (+8)
20K β†’ HALF
4:16 | 6:16/mi
25K
1:38:02
15.53 mi
Rank: #2685 (+77)
HALF β†’ 25K
15:20 | 6:20/mi
30K
1:57:59
18.64 mi
Rank: #2558 (+127)
25K β†’ 30K
19:57 | 6:26/mi
20M
2:06:33
20.00 mi
Rank: #2459 (+99)
30K β†’ 20M
8:34 | 6:19/mi
21M
2:13:10
21.00 mi
Rank: #2399 (+60)
20M β†’ 21M
6:37 | 6:37/mi
35K
2:17:44
21.75 mi
Rank: #2336 (+63)
21M β†’ 35K
4:34 | 6:07/mi
23M
2:25:41
23.00 mi
Rank: #2264 (+72)
35K β†’ 23M
7:57 | 6:22/mi
24M
2:31:53
24.00 mi
Rank: #2209 (+55)
23M β†’ 24M
6:12 | 6:12/mi
40K
2:37:16
24.85 mi
Rank: #2172 (+37)
24M β†’ 40K
5:23 | 6:18/mi
25.2M
2:39:40
25.20 mi
Rank: #2164 (+8)
40K β†’ 25.2M
2:24 | 6:58/mi
FINISH
2:45:53
26.22 mi
Rank: #2138 (+26)
25.2M β†’ FINISH
6:13 | 6:07/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time1:22:42
Pace6:19 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time1:23:11
Pace6:21 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5919:536:2419:53
6:24
-
10K
6.21 mi10:42:2239:166:2019:23
6:15
-0:09
15K
9.32 mi11:01:5358:476:1919:31
6:17
+0:02
20K
12.43 mi11:21:321:18:266:1919:39
6:20
+0:03
HALF
13.11 mi11:25:481:22:426:194:16
6:16
-0:04
25K
15.53 mi11:41:081:38:026:1915:20
6:20
+0:04
30K
18.64 mi12:01:051:57:596:2019:57
6:26
+0:06
20M
20.00 mi12:09:392:06:336:208:34
6:19
-0:07
21M
21.00 mi12:16:162:13:106:216:37
6:37
+0:18
35K
21.75 mi12:20:502:17:446:204:34
6:07
-0:30
23M
23.00 mi12:28:472:25:416:217:57
6:22
+0:15
24M
24.00 mi12:34:592:31:536:206:12
6:12
-0:10
40K
24.85 mi12:40:222:37:166:205:23
6:18
+0:06
25.2M
25.20 mi12:42:462:39:406:212:24
6:58
+0:40
FINISH
26.22 mi12:48:592:45:536:206:13
6:07
-0:51

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

6:07 /mi

Average Pace

6:20 /mi

Slowest Pace

6:58 /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

2:43:29

99% of race

Time at Steady Pace

2:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /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 mi10:22:5919:536:2419:53
6:24
#3437
10K
6.21 mi10:42:2239:166:2019:23
6:15
#2879
15K
9.32 mi11:01:5358:476:1919:31
6:17
#2829
20K
12.43 mi11:21:321:18:266:1919:39
6:20
#2770
HALF
13.11 mi11:25:481:22:426:194:16
6:16
#2762
25K
15.53 mi11:41:081:38:026:1915:20
6:20
#2685
30K
18.64 mi12:01:051:57:596:2019:57
6:26
#2558
20M
20.00 mi12:09:392:06:336:208:34
6:19
#2459
21M
21.00 mi12:16:162:13:106:216:37
6:37
#2399
35K
21.75 mi12:20:502:17:446:204:34
6:07
#2336
23M
23.00 mi12:28:472:25:416:217:57
6:22
#2264
24M
24.00 mi12:34:592:31:536:206:12
6:12
#2209
40K
24.85 mi12:40:222:37:166:205:23
6:18
#2172
25.2M
25.20 mi12:42:462:39:406:212:24
6:58
#2164
FINISH
26.22 mi12:48:592:45:536:206:13
6:07
#2138
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3437327332732748(Top 9%)2641(Top 16%)2641(Top 46%)
10K6.21 mi3.10 mi2879+5582763+5102763+5102472(Top 9%)2380(Top 15%)2380(Top 42%)
15K9.32 mi3.11 mi2829+502715+482715+482748(Top 9%)2641(Top 16%)2641(Top 46%)
20K12.43 mi3.11 mi2770+592664+512664+512694(Top 9%)2591(Top 16%)2591(Top 45%)
HALF13.11 mi0.68 mi2762+82655+92655+92774(Top 10%)2668(Top 16%)2668(Top 47%)
25K15.53 mi2.42 mi2685+772583+722583+722439(Top 8%)2347(Top 14%)2347(Top 41%)
30K18.64 mi3.11 mi2558+1272460+1232460+1232187(Top 8%)2098(Top 13%)2098(Top 37%)
20M20.00 mi1.36 mi2459+992365+952365+951579(Top 5%)1511(Top 9%)1511(Top 26%)
21M21.00 mi1.00 mi2399+602305+602305+601692(Top 6%)1621(Top 10%)1621(Top 28%)
35K21.75 mi0.75 mi2336+632246+592246+591623(Top 6%)1554(Top 10%)1554(Top 27%)
23M23.00 mi1.25 mi2264+722177+692177+691778(Top 6%)1693(Top 10%)1693(Top 30%)
24M24.00 mi1.00 mi2209+552122+552122+551757(Top 6%)1668(Top 10%)1668(Top 29%)
40K24.85 mi0.85 mi2172+372085+372085+371720(Top 6%)1619(Top 10%)1619(Top 28%)
25.2M25.20 mi0.35 mi2164+82077+82077+82415(Top 8%)2208(Top 14%)2208(Top 39%)
FINISH26.22 mi1.02 mi2138+262048+292048+292045(Top 7%)1887(Top 12%)1887(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
Γ—21
+97ft-345ft

Overall

2748

Males

2641

M18-39

2641

5K→10K

3.1 - 6.2 mi

Top 9%
Γ—5
+79ft-138ft

Overall

2472

Males

2380

M18-39

2380

10K→15K

6.2 - 9.3 mi

Top 9%
Γ—3
+67ft-78ft

Overall

2748

Males

2641

M18-39

2641

15K→20K

9.3 - 12.4 mi

Top 9%
Γ—5
+106ft-86ft

Overall

2694

Males

2591

M18-39

2591

20K→HALF

12.4 - 13.1 mi

Top 10%
Γ—2
+19ft-37ft

Overall

2774

Males

2668

M18-39

2668

HALF→25K

13.1 - 15.5 mi

Top 8%
Γ—4
+66ft-88ft

Overall

2439

Males

2347

M18-39

2347

25K→30K

15.5 - 18.6 mi

Top 8%
Γ—9
+181ft-148ft

Overall

2187

Males

2098

M18-39

2098

30K→20M

18.6 - 20.0 mi

Top 5%
Γ—5
+64ft-50ft

Overall

1579

Males

1511

M18-39

1511

20M→21M

20.0 - 21.0 mi

Top 6%
Γ—8
+106ft-24ft

Overall

1692

Males

1621

M18-39

1621

21M→35K

21.0 - 21.8 mi

Top 6%
Γ—7
+17ft-86ft

Overall

1623

Males

1554

M18-39

1554

35K→23M

21.8 - 23.0 mi

Top 6%
Γ—5
+23ft-63ft

Overall

1778

Males

1693

M18-39

1693

23M→24M

23.0 - 24.0 mi

Top 6%
Γ—6
+12ft-82ft

Overall

1757

Males

1668

M18-39

1668

24M→40K

24.0 - 24.9 mi

Top 6%
Γ—1
+6ft-20ft

Overall

1720

Males

1619

M18-39

1619

40K→25.2M

24.9 - 25.2 mi

Top 8%
Γ—1
+13ft-16ft

Overall

2415

Males

2208

M18-39

2208

25.2M→FINISH

25.2 - 26.2 mi

Top 7%
Γ—2
+22ft-21ft

Overall

2045

Males

1887

M18-39

1887

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1531*
Passed By
232
Net Change
+1299
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#3437
5K β†’ 10K566*8+558#3437#2879
10K β†’ 15K9545+50#2879#2829
15K β†’ 20K10041+59#2829#2770
20K β†’ HALF179+8#2770#2762
HALF β†’ 25K9922+77#2762#2685
25K β†’ 30K16134+127#2685#2558
30K β†’ 20M1023+99#2558#2459
20M β†’ 21M699+60#2459#2399
21M β†’ 35K674+63#2399#2336
35K β†’ 23M8311+72#2336#2264
23M β†’ 24M6510+55#2264#2209
24M β†’ 40K458+37#2209#2172
40K β†’ 25.2M179+8#2172#2164
25.2M β†’ FINISH4519+26#2164#2138
TOTALS1531*232+1299

* 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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