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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Shengfang Jin

Bib: 22599 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Masters (Masters Women)
#0 / 6862
Top 35%
Age Group (F55-59)
#0 / 951
Top 13%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Shengfang

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 · 8:00/mi at mile 6.2

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
25:40
3.11 mi
Rank: #18627
Start → 5K
25:40 | 8:16/mi
10K
50:31
6.21 mi
Rank: #17953 (+674)
5K → 10K
24:51 | 8:00/mi
15K
1:15:22
9.32 mi
Rank: #17678 (+275)
10K → 15K
24:51 | 8:00/mi
20K
1:40:36
12.43 mi
Rank: #17485 (+193)
15K → 20K
25:14 | 8:08/mi
HALF
1:46:06
13.11 mi
Rank: #17497 (-12)
20K → HALF
5:30 | 8:05/mi
25K
2:06:03
15.53 mi
Rank: #17368 (+129)
HALF → 25K
19:57 | 8:14/mi
30K
2:32:24
18.64 mi
Rank: #17222 (+146)
25K → 30K
26:21 | 8:29/mi
20M
2:44:17
20.00 mi
Rank: #17235 (-13)
30K → 20M
11:53 | 8:45/mi
21M
2:53:18
21.00 mi
Rank: #17149 (+86)
20M → 21M
9:01 | 9:01/mi
35K
2:59:20
21.75 mi
Rank: #17051 (+98)
21M → 35K
6:02 | 8:04/mi
23M
3:09:58
23.00 mi
Rank: #16956 (+95)
35K → 23M
10:38 | 8:30/mi
24M
3:18:24
24.00 mi
Rank: #16898 (+58)
23M → 24M
8:26 | 8:26/mi
40K
3:25:42
24.85 mi
Rank: #16867 (+31)
24M → 40K
7:18 | 8:33/mi
25.2M
3:28:54
25.20 mi
Rank: #16841 (+26)
40K → 25.2M
3:12 | 9:17/mi
FINISH
3:37:22
26.22 mi
Rank: #16827 (+14)
25.2M → FINISH
8:28 | 8:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:46:06
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:51:16
Pace8:30 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:1725:408:1625:40
8:16
-
10K
6.21 mi11:52:0850:318:0824:51
8:00
-0:16
15K
9.32 mi12:16:591:15:228:0624:51
8:00
0:00
20K
12.43 mi12:42:131:40:368:0625:14
8:08
+0:08
HALF
13.11 mi12:47:431:46:068:065:30
8:05
-0:03
25K
15.53 mi13:07:402:06:038:0719:57
8:14
+0:09
30K
18.64 mi13:34:012:32:248:1126:21
8:29
+0:15
20M
20.00 mi13:45:542:44:178:1311:53
8:45
+0:16
21M
21.00 mi13:54:552:53:188:169:01
9:01
+0:16
35K
21.75 mi14:00:572:59:208:156:02
8:04
-0:57
23M
23.00 mi14:11:353:09:588:1610:38
8:30
+0:26
24M
24.00 mi14:20:013:18:248:178:26
8:26
-0:04
40K
24.85 mi14:27:193:25:428:177:18
8:33
+0:07
25.2M
25.20 mi14:30:313:28:548:183:12
9:17
+0:44
FINISH
26.22 mi14:38:593:37:228:188:28
8:19
-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

8:00 /mi

Average Pace

8:18 /mi

Slowest Pace

9:17 /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

3:25:09

94% of race

Time at Steady Pace

12:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi11:27:1725:408:1625:40
8:16
#18627
10K
6.21 mi11:52:0850:318:0824:51
8:00
#17953
15K
9.32 mi12:16:591:15:228:0624:51
8:00
#17678
20K
12.43 mi12:42:131:40:368:0625:14
8:08
#17485
HALF
13.11 mi12:47:431:46:068:065:30
8:05
#17497
25K
15.53 mi13:07:402:06:038:0719:57
8:14
#17368
30K
18.64 mi13:34:012:32:248:1126:21
8:29
#17222
20M
20.00 mi13:45:542:44:178:1311:53
8:45
#17235
21M
21.00 mi13:54:552:53:188:169:01
9:01
#17149
35K
21.75 mi14:00:572:59:208:156:02
8:04
#17051
23M
23.00 mi14:11:353:09:588:1610:38
8:30
#16956
24M
24.00 mi14:20:013:18:248:178:26
8:26
#16898
40K
24.85 mi14:27:193:25:428:177:18
8:33
#16867
25.2M
25.20 mi14:30:313:28:548:183:12
9:17
#16841
FINISH
26.22 mi14:38:593:37:228:188:28
8:19
#16827
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi186276862686217019(Top 59%)5923(Top 47%)5923(Top 623%)
10K6.21 mi3.10 mi17953+6746469+3936469+39317235(Top 59%)6050(Top 48%)6050(Top 636%)
15K9.32 mi3.11 mi17678+2756311+1586311+15817019(Top 59%)5923(Top 47%)5923(Top 623%)
20K12.43 mi3.11 mi17485+1936204+1076204+10717016(Top 59%)5949(Top 47%)5949(Top 626%)
HALF13.11 mi0.68 mi17497-126211-76211-717614(Top 61%)6261(Top 50%)6261(Top 658%)
25K15.53 mi2.42 mi17368+1296142+696142+6916975(Top 58%)5968(Top 47%)5968(Top 628%)
30K18.64 mi3.11 mi17222+1466088+546088+5416818(Top 58%)6004(Top 48%)6004(Top 631%)
20M20.00 mi1.36 mi17235-136104-166104-1617676(Top 61%)6566(Top 52%)6566(Top 690%)
21M21.00 mi1.00 mi17149+866078+266078+2616248(Top 56%)5833(Top 46%)5833(Top 613%)
35K21.75 mi0.75 mi17051+986044+346044+3414980(Top 52%)5185(Top 41%)5185(Top 545%)
23M23.00 mi1.25 mi16956+956013+316013+3115724(Top 54%)5686(Top 45%)5686(Top 598%)
24M24.00 mi1.00 mi16898+586006+76006+716518(Top 57%)6197(Top 49%)6197(Top 652%)
40K24.85 mi0.85 mi16867+316005+16005+115944(Top 55%)5937(Top 47%)5937(Top 624%)
25.2M25.20 mi0.35 mi16841+266000+56000+516270(Top 56%)6106(Top 49%)6106(Top 642%)
FINISH26.22 mi1.02 mi16827+146016-166016-1617113(Top 59%)6577(Top 52%)6577(Top 692%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

17019

Females

5923

F55-59

5923

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17235

Females

6050

F55-59

6050

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

17019

Females

5923

F55-59

5923

15K→20K

9.3 - 12.4 mi

Top 59%
×5
+106ft-86ft

Overall

17016

Females

5949

F55-59

5949

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17614

Females

6261

F55-59

6261

HALF→25K

13.1 - 15.5 mi

Top 58%
×4
+66ft-88ft

Overall

16975

Females

5968

F55-59

5968

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16818

Females

6004

F55-59

6004

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17676

Females

6566

F55-59

6566

20M→21M

20.0 - 21.0 mi

Top 56%
×8
+106ft-24ft

Overall

16248

Females

5833

F55-59

5833

21M→35K

21.0 - 21.8 mi

Top 52%
×7
+17ft-86ft

Overall

14980

Females

5185

F55-59

5185

35K→23M

21.8 - 23.0 mi

Top 54%
×5
+23ft-63ft

Overall

15724

Females

5686

F55-59

5686

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16518

Females

6197

F55-59

6197

24M→40K

24.0 - 24.9 mi

Top 55%
×1
+6ft-20ft

Overall

15944

Females

5937

F55-59

5937

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16270

Females

6106

F55-59

6106

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17113

Females

6577

F55-59

6577

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2622*
Passed By
822
Net Change
+1800
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18627
5K → 10K754*80+674#18627#17953
10K → 15K342*67+275#17953#17678
15K → 20K271*78+193#17678#17485
20K → HALF2739-12#17485#17497
HALF → 25K19768+129#17497#17368
25K → 30K274*128+146#17368#17222
30K → 20M8194-13#17222#17235
20M → 21M13751+86#17235#17149
21M → 35K11416+98#17149#17051
35K → 23M13843+95#17051#16956
23M → 24M10143+58#16956#16898
24M → 40K7241+31#16898#16867
40K → 25.2M4519+26#16867#16841
25.2M → FINISH6955+14#16841#16827
TOTALS2622*822+1800

* 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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