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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jiansong Shi

Bib: 5534 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 24%
Gender (Male)
#0 / 16340
Top 37%
Masters (Masters Men)
#0 / 10617
Top 23%
Age Group (M50-54)
#0 / 1868
Top 18%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Jiansong

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 · 6:39/mi at mile 13.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
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
20:46
3.11 mi
Rank: #5741
Start → 5K
20:46 | 6:42/mi
10K
41:49
6.21 mi
Rank: #6198 (-457)
5K → 10K
21:03 | 6:47/mi
15K
1:02:36
9.32 mi
Rank: #5992 (+206)
10K → 15K
20:47 | 6:42/mi
20K
1:24:17
12.43 mi
Rank: #6452 (-460)
15K → 20K
21:41 | 6:59/mi
HALF
1:28:49
13.11 mi
Rank: #6406 (+46)
20K → HALF
4:32 | 6:40/mi
25K
1:45:48
15.53 mi
Rank: #6581 (-175)
HALF → 25K
16:59 | 7:01/mi
30K
2:08:08
18.64 mi
Rank: #6730 (-149)
25K → 30K
22:20 | 7:12/mi
20M
2:17:55
20.00 mi
Rank: #6712 (+18)
30K → 20M
9:47 | 7:13/mi
21M
2:25:52
21.00 mi
Rank: #6850 (-138)
20M → 21M
7:57 | 7:57/mi
35K
2:31:00
21.75 mi
Rank: #6799 (+51)
21M → 35K
5:08 | 6:52/mi
23M
2:40:06
23.00 mi
Rank: #6755 (+44)
35K → 23M
9:06 | 7:17/mi
24M
2:47:19
24.00 mi
Rank: #6759 (-4)
23M → 24M
7:13 | 7:13/mi
40K
2:53:51
24.85 mi
Rank: #6800 (-41)
24M → 40K
6:32 | 7:39/mi
25.2M
2:56:41
25.20 mi
Rank: #6818 (-18)
40K → 25.2M
2:50 | 8:13/mi
FINISH
3:04:40
26.22 mi
Rank: #7036 (-218)
25.2M → FINISH
7:59 | 7:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:49
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:35:51
Pace7:19 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2220:466:4220:46
6:42
-
10K
6.21 mi10:45:2541:496:4421:03
6:47
+0:05
15K
9.32 mi11:06:121:02:366:4320:47
6:42
-0:05
20K
12.43 mi11:27:531:24:176:4721:41
6:59
+0:17
HALF
13.11 mi11:32:251:28:496:474:32
6:40
-0:19
25K
15.53 mi11:49:241:45:486:4916:59
7:01
+0:21
30K
18.64 mi12:11:442:08:086:5322:20
7:12
+0:11
20M
20.00 mi12:21:312:17:556:549:47
7:13
+0:01
21M
21.00 mi12:29:282:25:526:577:57
7:57
+0:44
35K
21.75 mi12:34:362:31:006:575:08
6:52
-1:05
23M
23.00 mi12:43:422:40:066:589:06
7:17
+0:25
24M
24.00 mi12:50:552:47:196:597:13
7:13
-0:04
40K
24.85 mi12:57:272:53:517:006:32
7:39
+0:26
25.2M
25.20 mi13:00:172:56:417:012:50
8:13
+0:34
FINISH
26.22 mi13:08:163:04:407:037:59
7:51
-0:22

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

6:40 /mi

Average Pace

7:03 /mi

Slowest Pace

8:13 /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

1:12:16

39% of race

Time at Steady Pace

1:27:06

47% of race

Time at Slower Pace

25:18

14% of race

Average Pace: 7:03 /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 mi10:24:2220:466:4220:46
6:42
#5741
10K
6.21 mi10:45:2541:496:4421:03
6:47
#6198
15K
9.32 mi11:06:121:02:366:4320:47
6:42
#5992
20K
12.43 mi11:27:531:24:176:4721:41
6:59
#6452
HALF
13.11 mi11:32:251:28:496:474:32
6:40
#6406
25K
15.53 mi11:49:241:45:486:4916:59
7:01
#6581
30K
18.64 mi12:11:442:08:086:5322:20
7:12
#6730
20M
20.00 mi12:21:312:17:556:549:47
7:13
#6712
21M
21.00 mi12:29:282:25:526:577:57
7:57
#6850
35K
21.75 mi12:34:362:31:006:575:08
6:52
#6799
23M
23.00 mi12:43:422:40:066:589:06
7:17
#6755
24M
24.00 mi12:50:552:47:196:597:13
7:13
#6759
40K
24.85 mi12:57:272:53:517:006:32
7:39
#6800
25.2M
25.20 mi13:00:172:56:417:012:50
8:13
#6818
FINISH
26.22 mi13:08:163:04:407:037:59
7:51
#7036
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5741527652765758(Top 20%)5257(Top 32%)5257(Top 281%)
10K6.21 mi3.10 mi6198-4575626-3505626-3506717(Top 23%)5987(Top 37%)5987(Top 321%)
15K9.32 mi3.11 mi5992+2065469+1575469+1575758(Top 20%)5257(Top 32%)5257(Top 281%)
20K12.43 mi3.11 mi6452-4605801-3325801-3327697(Top 27%)6637(Top 41%)6637(Top 355%)
HALF13.11 mi0.68 mi6406+465771+305771+305737(Top 20%)5215(Top 32%)5215(Top 279%)
25K15.53 mi2.42 mi6581-1755874-1035874-1037410(Top 26%)6388(Top 39%)6388(Top 342%)
30K18.64 mi3.11 mi6730-1495965-915965-917309(Top 25%)6197(Top 38%)6197(Top 332%)
20M20.00 mi1.36 mi6712+185940+255940+256968(Top 24%)5882(Top 36%)5882(Top 315%)
21M21.00 mi1.00 mi6850-1386024-846024-849512(Top 33%)7211(Top 44%)7211(Top 386%)
35K21.75 mi0.75 mi6799+515978+465978+466135(Top 21%)5269(Top 32%)5269(Top 282%)
23M23.00 mi1.25 mi6755+445931+475931+477234(Top 25%)5893(Top 36%)5893(Top 315%)
24M24.00 mi1.00 mi6759-45923+85923+87946(Top 27%)6213(Top 38%)6213(Top 333%)
40K24.85 mi0.85 mi6800-415936-135936-139846(Top 34%)7118(Top 44%)7118(Top 381%)
25.2M25.20 mi0.35 mi6818-185940-45940-49623(Top 33%)6912(Top 42%)6912(Top 370%)
FINISH26.22 mi1.02 mi7036-2186061-1216061-12113971(Top 48%)9010(Top 55%)9010(Top 482%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21
+97ft-345ft

Overall

5758

Males

5257

M50-54

5257

5K→10K

3.1 - 6.2 mi

Top 23%
×5
+79ft-138ft

Overall

6717

Males

5987

M50-54

5987

10K→15K

6.2 - 9.3 mi

Top 20%
×3
+67ft-78ft

Overall

5758

Males

5257

M50-54

5257

15K→20K

9.3 - 12.4 mi

Top 27%
×5
+106ft-86ft

Overall

7697

Males

6637

M50-54

6637

20K→HALF

12.4 - 13.1 mi

Top 20%
×2
+19ft-37ft

Overall

5737

Males

5215

M50-54

5215

HALF→25K

13.1 - 15.5 mi

Top 26%
×4
+66ft-88ft

Overall

7410

Males

6388

M50-54

6388

25K→30K

15.5 - 18.6 mi

Top 25%
×9
+181ft-148ft

Overall

7309

Males

6197

M50-54

6197

30K→20M

18.6 - 20.0 mi

Top 24%
×5
+64ft-50ft

Overall

6968

Males

5882

M50-54

5882

20M→21M

20.0 - 21.0 mi

Top 33%
×8
+106ft-24ft

Overall

9512

Males

7211

M50-54

7211

21M→35K

21.0 - 21.8 mi

Top 21%
×7
+17ft-86ft

Overall

6135

Males

5269

M50-54

5269

35K→23M

21.8 - 23.0 mi

Top 25%
×5
+23ft-63ft

Overall

7234

Males

5893

M50-54

5893

23M→24M

23.0 - 24.0 mi

Top 27%
×6
+12ft-82ft

Overall

7946

Males

6213

M50-54

6213

24M→40K

24.0 - 24.9 mi

Top 34%
×1
+6ft-20ft

Overall

9846

Males

7118

M50-54

7118

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1
+13ft-16ft

Overall

9623

Males

6912

M50-54

6912

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

13971

Males

9010

M50-54

9010

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
999*
Passed By
1544
Net Change
-1295
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5741
5K → 10K59200-457#5741#6198
10K → 15K262*56+206#6198#5992
15K → 20K60200-460#5992#6452
20K → HALF537+46#6452#6406
HALF → 25K58200-175#6406#6581
25K → 30K102200-149#6581#6730
30K → 20M8365+18#6730#6712
20M → 21M23161-138#6712#6850
21M → 35K6615+51#6850#6799
35K → 23M10460+44#6799#6755
23M → 24M5054-4#6755#6759
24M → 40K4384-41#6759#6800
40K → 25.2M2442-18#6800#6818
25.2M → FINISH12200-218#6818#7036
TOTALS999*1544-1295

* 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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