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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Bo Di Chen

Bib: 29240 •M •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
Race Day Weather
51°/41°F
overcast clouds
Personalized for Bo

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 6:57/mi at mile 9.3

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
22:32
3.11 mi
Rank: #10648
Start → 5K
22:32 | 7:16/mi
10K
44:11
6.21 mi
Rank: #9413 (+1235)
5K → 10K
21:39 | 6:59/mi
15K
1:05:46
9.32 mi
Rank: #8970 (+443)
10K → 15K
21:35 | 6:57/mi
20K
1:27:27
12.43 mi
Rank: #8632 (+338)
15K → 20K
21:41 | 6:59/mi
HALF
1:32:16
13.11 mi
Rank: #8646 (-14)
20K → HALF
4:49 | 7:04/mi
25K
1:50:25
15.53 mi
Rank: #8978 (-332)
HALF → 25K
18:09 | 7:30/mi
30K
2:17:22
18.64 mi
Rank: #10687 (-1709)
25K → 30K
26:57 | 8:41/mi
20M
2:29:30
20.00 mi
Rank: #11438 (-751)
30K → 20M
12:08 | 8:56/mi
21M
2:39:15
21.00 mi
Rank: #12025 (-587)
20M → 21M
9:45 | 9:45/mi
35K
2:45:45
21.75 mi
Rank: #12298 (-273)
21M → 35K
6:30 | 8:42/mi
23M
2:58:11
23.00 mi
Rank: #13111 (-813)
35K → 23M
12:26 | 9:57/mi
24M
3:08:27
24.00 mi
Rank: #13871 (-760)
23M → 24M
10:16 | 10:16/mi
40K
3:18:48
24.85 mi
Rank: #14918 (-1047)
24M → 40K
10:21 | 12:07/mi
25.2M
3:23:01
25.20 mi
Rank: #15263 (-345)
40K → 25.2M
4:13 | 12:14/mi
FINISH
3:33:38
26.22 mi
Rank: #15881 (-618)
25.2M → FINISH
10:37 | 10:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:16
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time2:01:22
Pace9:16 /mi
📊Positive Split: 31.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5522:327:1622:32
7:16
-
10K
6.21 mi12:11:3444:117:0721:39
6:59
-0:17
15K
9.32 mi12:33:091:05:467:0421:35
6:57
-0:02
20K
12.43 mi12:54:501:27:277:0321:41
6:59
+0:02
HALF
13.11 mi12:59:391:32:167:034:49
7:04
+0:05
25K
15.53 mi13:17:481:50:257:0718:09
7:30
+0:26
30K
18.64 mi13:44:452:17:227:2326:57
8:41
+1:11
20M
20.00 mi13:56:532:29:307:2912:08
8:56
+0:15
21M
21.00 mi14:06:382:39:157:369:45
9:45
+0:49
35K
21.75 mi14:13:082:45:457:386:30
8:42
-1:03
23M
23.00 mi14:25:342:58:117:4512:26
9:57
+1:15
24M
24.00 mi14:35:503:08:277:5210:16
10:16
+0:19
40K
24.85 mi14:46:113:18:488:0010:21
12:07
+1:51
25.2M
25.20 mi14:50:243:23:018:044:13
12:14
+0:07
FINISH
26.22 mi15:01:013:33:388:1010:37
10:26
-1:48

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

6:57 /mi

Average Pace

8:09 /mi

Slowest Pace

12:14 /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

1:50:25

52% of race

Time at Steady Pace

45:35

21% of race

Time at Slower Pace

57:38

27% of race

Average Pace: 8:09 /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 mi11:49:5522:327:1622:32
7:16
#10648
10K
6.21 mi12:11:3444:117:0721:39
6:59
#9413
15K
9.32 mi12:33:091:05:467:0421:35
6:57
#8970
20K
12.43 mi12:54:501:27:277:0321:41
6:59
#8632
HALF
13.11 mi12:59:391:32:167:034:49
7:04
#8646
25K
15.53 mi13:17:481:50:257:0718:09
7:30
#8978
30K
18.64 mi13:44:452:17:227:2326:57
8:41
#10687
20M
20.00 mi13:56:532:29:307:2912:08
8:56
#11438
21M
21.00 mi14:06:382:39:157:369:45
9:45
#12025
35K
21.75 mi14:13:082:45:457:386:30
8:42
#12298
23M
23.00 mi14:25:342:58:117:4512:26
9:57
#13111
24M
24.00 mi14:35:503:08:277:5210:16
10:16
#13871
40K
24.85 mi14:46:113:18:488:0010:21
12:07
#14918
25.2M
25.20 mi14:50:243:23:018:044:13
12:14
#15263
FINISH
26.22 mi15:01:013:33:388:1010:37
10:26
#15881
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 mi10648841084108193(Top 28%)6997(Top 43%)6997(Top 122%)
10K6.21 mi3.10 mi9413+12357783+6277783+6278455(Top 29%)7178(Top 44%)7178(Top 125%)
15K9.32 mi3.11 mi8970+4437493+2907493+2908193(Top 28%)6997(Top 43%)6997(Top 122%)
20K12.43 mi3.11 mi8632+3387268+2257268+2257718(Top 27%)6658(Top 41%)6658(Top 116%)
HALF13.11 mi0.68 mi8646-147269-17269-19181(Top 32%)7587(Top 46%)7587(Top 133%)
25K15.53 mi2.42 mi8978-3327450-1817450-18111290(Top 39%)8467(Top 52%)8467(Top 148%)
30K18.64 mi3.11 mi10687-17098265-8158265-81517864(Top 62%)11196(Top 69%)11196(Top 196%)
20M20.00 mi1.36 mi11438-7518606-3418606-34118584(Top 64%)11437(Top 70%)11437(Top 200%)
21M21.00 mi1.00 mi12025-5878849-2438849-24319544(Top 67%)11854(Top 73%)11854(Top 207%)
35K21.75 mi0.75 mi12298-2738946-978946-9718536(Top 64%)11283(Top 69%)11283(Top 197%)
23M23.00 mi1.25 mi13111-8139272-3269272-32621936(Top 76%)12891(Top 79%)12891(Top 225%)
24M24.00 mi1.00 mi13871-7609572-3009572-30023510(Top 81%)13611(Top 83%)13611(Top 238%)
40K24.85 mi0.85 mi14918-10479975-4039975-40326039(Top 90%)14779(Top 90%)14779(Top 258%)
25.2M25.20 mi0.35 mi15263-34510114-13910114-13924818(Top 86%)14165(Top 87%)14165(Top 248%)
FINISH26.22 mi1.02 mi15881-61810344-23010344-23024880(Top 86%)14204(Top 87%)14204(Top 248%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21
+97ft-345ft

Overall

8193

Males

6997

M18-39

6997

5K→10K

3.1 - 6.2 mi

Top 29%
×5
+79ft-138ft

Overall

8455

Males

7178

M18-39

7178

10K→15K

6.2 - 9.3 mi

Top 28%
×3
+67ft-78ft

Overall

8193

Males

6997

M18-39

6997

15K→20K

9.3 - 12.4 mi

Top 27%
×5
+106ft-86ft

Overall

7718

Males

6658

M18-39

6658

20K→HALF

12.4 - 13.1 mi

Top 32%
×2
+19ft-37ft

Overall

9181

Males

7587

M18-39

7587

HALF→25K

13.1 - 15.5 mi

Top 39%
×4
+66ft-88ft

Overall

11290

Males

8467

M18-39

8467

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

17864

Males

11196

M18-39

11196

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18584

Males

11437

M18-39

11437

20M→21M

20.0 - 21.0 mi

Top 67%
×8
+106ft-24ft

Overall

19544

Males

11854

M18-39

11854

21M→35K

21.0 - 21.8 mi

Top 64%
×7
+17ft-86ft

Overall

18536

Males

11283

M18-39

11283

35K→23M

21.8 - 23.0 mi

Top 76%
×5
+23ft-63ft

Overall

21936

Males

12891

M18-39

12891

23M→24M

23.0 - 24.0 mi

Top 81%
×6
+12ft-82ft

Overall

23510

Males

13611

M18-39

13611

24M→40K

24.0 - 24.9 mi

Top 90%
×1
+6ft-20ft

Overall

26039

Males

14779

M18-39

14779

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1
+13ft-16ft

Overall

24818

Males

14165

M18-39

14165

25.2M→FINISH

25.2 - 26.2 mi

Top 86%
×2
+22ft-21ft

Overall

24880

Males

14204

M18-39

14204

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2210*
Passed By
2077
Net Change
-5233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10648
5K → 10K1253*18+1235#10648#9413
10K → 15K455*12+443#9413#8970
15K → 20K353*15+338#8970#8632
20K → HALF1832-14#8632#8646
HALF → 25K47200-332#8646#8978
25K → 30K19200-1709#8978#10687
30K → 20M11200-751#10687#11438
20M → 21M12200-587#11438#12025
21M → 35K15200-273#12025#12298
35K → 23M9200-813#12298#13111
23M → 24M10200-760#13111#13871
24M → 40K3200-1047#13871#14918
40K → 25.2M3200-345#14918#15263
25.2M → FINISH2200-618#15263#15881
TOTALS2210*2077-5233

* 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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