All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sander Bonestroo

Bib: 3258 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 7%
Gender (Male)
#0 / 16340
Top 12%
Age Group (M18-39)
#0 / 5723
Top 28%
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
18:42
3.11 mi
Rank: #1256
Start → 5K
18:42 | 6:02/mi
10K
37:31
6.21 mi
Rank: #1410 (-154)
5K → 10K
18:49 | 6:04/mi
15K
56:27
9.32 mi
Rank: #1528 (-118)
10K → 15K
18:56 | 6:06/mi
20K
1:15:35
12.43 mi
Rank: #1606 (-78)
15K → 20K
19:08 | 6:10/mi
HALF
1:19:44
13.11 mi
Rank: #1622 (-16)
20K → HALF
4:09 | 6:06/mi
25K
1:34:58
15.53 mi
Rank: #1697 (-75)
HALF → 25K
15:14 | 6:17/mi
30K
1:55:01
18.64 mi
Rank: #1757 (-60)
25K → 30K
20:03 | 6:28/mi
20M
2:04:00
20.00 mi
Rank: #1802 (-45)
30K → 20M
8:59 | 6:37/mi
21M
2:10:54
21.00 mi
Rank: #1834 (-32)
20M → 21M
6:54 | 6:54/mi
35K
2:15:44
21.75 mi
Rank: #1859 (-25)
21M → 35K
4:50 | 6:28/mi
23M
2:24:06
23.00 mi
Rank: #1914 (-55)
35K → 23M
8:22 | 6:42/mi
24M
2:30:43
24.00 mi
Rank: #1957 (-43)
23M → 24M
6:37 | 6:37/mi
40K
2:36:21
24.85 mi
Rank: #1974 (-17)
24M → 40K
5:38 | 6:36/mi
25.2M
2:38:48
25.20 mi
Rank: #1984 (-10)
40K → 25.2M
2:27 | 7:07/mi
FINISH
2:45:12
26.22 mi
Rank: #1997 (-13)
25.2M → FINISH
6:24 | 6:17/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:19:44
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:25:28
Pace6:32 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5118:426:0218:42
6:02
-
10K
6.21 mi10:39:4037:316:0318:49
6:04
+0:02
15K
9.32 mi10:58:3656:276:0418:56
6:06
+0:02
20K
12.43 mi11:17:441:15:356:0519:08
6:10
+0:04
HALF
13.11 mi11:21:531:19:446:054:09
6:06
-0:04
25K
15.53 mi11:37:071:34:586:0715:14
6:17
+0:11
30K
18.64 mi11:57:101:55:016:1120:03
6:28
+0:11
20M
20.00 mi12:06:092:04:006:138:59
6:37
+0:09
21M
21.00 mi12:13:032:10:546:156:54
6:54
+0:17
35K
21.75 mi12:17:532:15:446:154:50
6:28
-0:26
23M
23.00 mi12:26:152:24:066:168:22
6:42
+0:14
24M
24.00 mi12:32:522:30:436:176:37
6:37
-0:05
40K
24.85 mi12:38:302:36:216:185:38
6:36
-0:01
25.2M
25.20 mi12:40:572:38:486:192:27
7:07
+0:31
FINISH
26.22 mi12:47:212:45:126:196:24
6:17
-0:50

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

6:02 /mi

Average Pace

6:18 /mi

Slowest Pace

7:07 /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

2:27:29

89% of race

Time at Steady Pace

17:43

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:18 /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 mi10:20:5118:426:0218:42
6:02
#1256
10K
6.21 mi10:39:4037:316:0318:49
6:04
#1410
15K
9.32 mi10:58:3656:276:0418:56
6:06
#1528
20K
12.43 mi11:17:441:15:356:0519:08
6:10
#1606
HALF
13.11 mi11:21:531:19:446:054:09
6:06
#1622
25K
15.53 mi11:37:071:34:586:0715:14
6:17
#1697
30K
18.64 mi11:57:101:55:016:1120:03
6:28
#1757
20M
20.00 mi12:06:092:04:006:138:59
6:37
#1802
21M
21.00 mi12:13:032:10:546:156:54
6:54
#1834
35K
21.75 mi12:17:532:15:446:154:50
6:28
#1859
23M
23.00 mi12:26:152:24:066:168:22
6:42
#1914
24M
24.00 mi12:32:522:30:436:176:37
6:37
#1957
40K
24.85 mi12:38:302:36:216:185:38
6:36
#1974
25.2M
25.20 mi12:40:572:38:486:192:27
7:07
#1984
FINISH
26.22 mi12:47:212:45:126:196:24
6:17
#1997
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 mi1256120112011796(Top 6%)1730(Top 11%)1730(Top 30%)
10K6.21 mi3.10 mi1410-1541355-1541355-1541603(Top 6%)1541(Top 9%)1541(Top 27%)
15K9.32 mi3.11 mi1528-1181471-1161471-1161796(Top 6%)1730(Top 11%)1730(Top 30%)
20K12.43 mi3.11 mi1606-781545-741545-741824(Top 6%)1758(Top 11%)1758(Top 31%)
HALF13.11 mi0.68 mi1622-161561-161561-161895(Top 7%)1832(Top 11%)1832(Top 32%)
25K15.53 mi2.42 mi1697-751635-741635-742199(Top 8%)2117(Top 13%)2117(Top 37%)
30K18.64 mi3.11 mi1757-601693-581693-582320(Top 8%)2222(Top 14%)2222(Top 39%)
20M20.00 mi1.36 mi1802-451735-421735-422969(Top 10%)2790(Top 17%)2790(Top 49%)
21M21.00 mi1.00 mi1834-321767-321767-322877(Top 10%)2684(Top 16%)2684(Top 47%)
35K21.75 mi0.75 mi1859-251791-241791-243287(Top 11%)3047(Top 19%)3047(Top 53%)
23M23.00 mi1.25 mi1914-551842-511842-513358(Top 12%)3069(Top 19%)3069(Top 54%)
24M24.00 mi1.00 mi1957-431880-381880-383815(Top 13%)3421(Top 21%)3421(Top 60%)
40K24.85 mi0.85 mi1974-171895-151895-152956(Top 10%)2685(Top 16%)2685(Top 47%)
25.2M25.20 mi0.35 mi1984-101903-81903-83036(Top 10%)2706(Top 17%)2706(Top 47%)
FINISH26.22 mi1.02 mi1997-131918-151918-152895(Top 10%)2591(Top 16%)2591(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21
+97ft-345ft

Overall

1796

Males

1730

M18-39

1730

5K→10K

3.1 - 6.2 mi

Top 6%
×5
+79ft-138ft

Overall

1603

Males

1541

M18-39

1541

10K→15K

6.2 - 9.3 mi

Top 6%
×3
+67ft-78ft

Overall

1796

Males

1730

M18-39

1730

15K→20K

9.3 - 12.4 mi

Top 6%
×5
+106ft-86ft

Overall

1824

Males

1758

M18-39

1758

20K→HALF

12.4 - 13.1 mi

Top 7%
×2
+19ft-37ft

Overall

1895

Males

1832

M18-39

1832

HALF→25K

13.1 - 15.5 mi

Top 8%
×4
+66ft-88ft

Overall

2199

Males

2117

M18-39

2117

25K→30K

15.5 - 18.6 mi

Top 8%
×9
+181ft-148ft

Overall

2320

Males

2222

M18-39

2222

30K→20M

18.6 - 20.0 mi

Top 10%
×5
+64ft-50ft

Overall

2969

Males

2790

M18-39

2790

20M→21M

20.0 - 21.0 mi

Top 10%
×8
+106ft-24ft

Overall

2877

Males

2684

M18-39

2684

21M→35K

21.0 - 21.8 mi

Top 11%
×7
+17ft-86ft

Overall

3287

Males

3047

M18-39

3047

35K→23M

21.8 - 23.0 mi

Top 12%
×5
+23ft-63ft

Overall

3358

Males

3069

M18-39

3069

23M→24M

23.0 - 24.0 mi

Top 13%
×6
+12ft-82ft

Overall

3815

Males

3421

M18-39

3421

24M→40K

24.0 - 24.9 mi

Top 10%
×1
+6ft-20ft

Overall

2956

Males

2685

M18-39

2685

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1
+13ft-16ft

Overall

3036

Males

2706

M18-39

2706

25.2M→FINISH

25.2 - 26.2 mi

Top 10%
×2
+22ft-21ft

Overall

2895

Males

2591

M18-39

2591

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
292
Passed By
1033
Net Change
-741
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1256
5K → 10K27181-154#1256#1410
10K → 15K10128-118#1410#1528
15K → 20K27105-78#1528#1606
20K → HALF218-16#1606#1622
HALF → 25K2095-75#1622#1697
25K → 30K42102-60#1697#1757
30K → 20M2671-45#1757#1802
20M → 21M2052-32#1802#1834
21M → 35K1540-25#1834#1859
35K → 23M1873-55#1859#1914
23M → 24M2164-43#1914#1957
24M → 40K2845-17#1957#1974
40K → 25.2M1222-10#1974#1984
25.2M → FINISH2437-13#1984#1997
TOTALS2921033-741
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

AI Key Insights

Powered by MyRace AI

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback