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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Feifei Dong

Bib: 10104 •F •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 48%
Gender (Female)
#0 / 12578
Top 34%
Masters (Masters Women)
#0 / 6862
Top 18%
Age Group (F40-44)
#0 / 1737
Top 39%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Feifei

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 · 7:28/mi at mile 26.2

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
24:08
3.11 mi
Rank: #15152
Start → 5K
24:08 | 7:47/mi
10K
48:22
6.21 mi
Rank: #15341 (-189)
5K → 10K
24:14 | 7:48/mi
15K
1:12:45
9.32 mi
Rank: #15462 (-121)
10K → 15K
24:23 | 7:51/mi
20K
1:37:15
12.43 mi
Rank: #15379 (+83)
15K → 20K
24:30 | 7:54/mi
HALF
1:42:29
13.11 mi
Rank: #15323 (+56)
20K → HALF
5:14 | 7:41/mi
25K
2:01:48
15.53 mi
Rank: #15261 (+62)
HALF → 25K
19:19 | 7:58/mi
30K
2:26:45
18.64 mi
Rank: #14952 (+309)
25K → 30K
24:57 | 8:02/mi
20M
2:37:33
20.00 mi
Rank: #14734 (+218)
30K → 20M
10:48 | 7:58/mi
21M
2:45:53
21.00 mi
Rank: #14547 (+187)
20M → 21M
8:20 | 8:20/mi
35K
2:51:41
21.75 mi
Rank: #14457 (+90)
21M → 35K
5:48 | 7:46/mi
23M
3:01:36
23.00 mi
Rank: #14279 (+178)
35K → 23M
9:55 | 7:56/mi
24M
3:09:19
24.00 mi
Rank: #14145 (+134)
23M → 24M
7:43 | 7:43/mi
40K
3:16:02
24.85 mi
Rank: #14044 (+101)
24M → 40K
6:43 | 7:52/mi
25.2M
3:18:56
25.20 mi
Rank: #13989 (+55)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:26:33
26.22 mi
Rank: #13874 (+115)
25.2M → FINISH
7:37 | 7:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:29
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:44:04
Pace7:57 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:41:1424:087:4724:08
7:47
-
10K
6.21 mi11:05:2848:227:4824:14
7:48
+0:01
15K
9.32 mi11:29:511:12:457:4924:23
7:51
+0:03
20K
12.43 mi11:54:211:37:157:5024:30
7:54
+0:03
HALF
13.11 mi11:59:351:42:297:505:14
7:41
-0:13
25K
15.53 mi12:18:542:01:487:5119:19
7:58
+0:17
30K
18.64 mi12:43:512:26:457:5324:57
8:02
+0:04
20M
20.00 mi12:54:392:37:337:5310:48
7:58
-0:04
21M
21.00 mi13:02:592:45:537:548:20
8:20
+0:22
35K
21.75 mi13:08:472:51:417:545:48
7:46
-0:34
23M
23.00 mi13:18:423:01:367:549:55
7:56
+0:10
24M
24.00 mi13:26:253:09:197:547:43
7:43
-0:13
40K
24.85 mi13:33:083:16:027:546:43
7:52
+0:09
25.2M
25.20 mi13:36:023:18:567:542:54
8:25
+0:33
FINISH
26.22 mi13:43:393:26:337:547:37
7:29
-0:56

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

7:29 /mi

Average Pace

7:53 /mi

Slowest Pace

8:25 /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

3:15:19

95% of race

Time at Steady Pace

11:14

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi10:41:1424:087:4724:08
7:47
#15152
10K
6.21 mi11:05:2848:227:4824:14
7:48
#15341
15K
9.32 mi11:29:511:12:457:4924:23
7:51
#15462
20K
12.43 mi11:54:211:37:157:5024:30
7:54
#15379
HALF
13.11 mi11:59:351:42:297:505:14
7:41
#15323
25K
15.53 mi12:18:542:01:487:5119:19
7:58
#15261
30K
18.64 mi12:43:512:26:457:5324:57
8:02
#14952
20M
20.00 mi12:54:392:37:337:5310:48
7:58
#14734
21M
21.00 mi13:02:592:45:537:548:20
8:20
#14547
35K
21.75 mi13:08:472:51:417:545:48
7:46
#14457
23M
23.00 mi13:18:423:01:367:549:55
7:56
#14279
24M
24.00 mi13:26:253:09:197:547:43
7:43
#14145
40K
24.85 mi13:33:083:16:027:546:43
7:52
#14044
25.2M
25.20 mi13:36:023:18:567:542:54
8:25
#13989
FINISH
26.22 mi13:43:393:26:337:547:37
7:29
#13874
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi151524783478315747(Top 54%)5189(Top 41%)5189(Top 299%)
10K6.21 mi3.10 mi15341-1894925-1424925-14215649(Top 54%)5106(Top 41%)5106(Top 294%)
15K9.32 mi3.11 mi15462-1215020-955020-9515747(Top 54%)5189(Top 41%)5189(Top 299%)
20K12.43 mi3.11 mi15379+834974+464974+4615201(Top 52%)4915(Top 39%)4915(Top 283%)
HALF13.11 mi0.68 mi15323+564940+344940+3414607(Top 50%)4494(Top 36%)4494(Top 259%)
25K15.53 mi2.42 mi15261+624916+244916+2415143(Top 52%)4939(Top 39%)4939(Top 284%)
30K18.64 mi3.11 mi14952+3094763+1534763+15313715(Top 47%)4241(Top 34%)4241(Top 244%)
20M20.00 mi1.36 mi14734+2184665+984665+9812507(Top 43%)3682(Top 29%)3682(Top 212%)
21M21.00 mi1.00 mi14547+1874571+944571+9412123(Top 42%)3602(Top 29%)3602(Top 207%)
35K21.75 mi0.75 mi14457+904534+374534+3712755(Top 44%)3955(Top 31%)3955(Top 228%)
23M23.00 mi1.25 mi14279+1784463+714463+7111963(Top 41%)3587(Top 29%)3587(Top 207%)
24M24.00 mi1.00 mi14145+1344404+594404+5911714(Top 40%)3560(Top 28%)3560(Top 205%)
40K24.85 mi0.85 mi14044+1014379+254379+2511503(Top 40%)3526(Top 28%)3526(Top 203%)
25.2M25.20 mi0.35 mi13989+554356+234356+2311139(Top 38%)3430(Top 27%)3430(Top 197%)
FINISH26.22 mi1.02 mi13874+1154309+474309+4711252(Top 39%)3487(Top 28%)3487(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21
+97ft-345ft

Overall

15747

Females

5189

F40-44

5189

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15649

Females

5106

F40-44

5106

10K→15K

6.2 - 9.3 mi

Top 54%
×3
+67ft-78ft

Overall

15747

Females

5189

F40-44

5189

15K→20K

9.3 - 12.4 mi

Top 52%
×5
+106ft-86ft

Overall

15201

Females

4915

F40-44

4915

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14607

Females

4494

F40-44

4494

HALF→25K

13.1 - 15.5 mi

Top 52%
×4
+66ft-88ft

Overall

15143

Females

4939

F40-44

4939

25K→30K

15.5 - 18.6 mi

Top 47%
×9
+181ft-148ft

Overall

13715

Females

4241

F40-44

4241

30K→20M

18.6 - 20.0 mi

Top 43%
×5
+64ft-50ft

Overall

12507

Females

3682

F40-44

3682

20M→21M

20.0 - 21.0 mi

Top 42%
×8
+106ft-24ft

Overall

12123

Females

3602

F40-44

3602

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12755

Females

3955

F40-44

3955

35K→23M

21.8 - 23.0 mi

Top 41%
×5
+23ft-63ft

Overall

11963

Females

3587

F40-44

3587

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11714

Females

3560

F40-44

3560

24M→40K

24.0 - 24.9 mi

Top 40%
×1
+6ft-20ft

Overall

11503

Females

3526

F40-44

3526

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1
+13ft-16ft

Overall

11139

Females

3430

F40-44

3430

25.2M→FINISH

25.2 - 26.2 mi

Top 39%
×2
+22ft-21ft

Overall

11252

Females

3487

F40-44

3487

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2375*
Passed By
830
Net Change
+1278
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15152
5K → 10K198200-189#15152#15341
10K → 15K159200-121#15341#15462
15K → 20K207*124+83#15462#15379
20K → HALF6913+56#15379#15323
HALF → 25K162100+62#15323#15261
25K → 30K377*68+309#15261#14952
30K → 20M230*12+218#14952#14734
20M → 21M203*16+187#14734#14547
21M → 35K11323+90#14547#14457
35K → 23M19315+178#14457#14279
23M → 24M15420+134#14279#14145
24M → 40K11615+101#14145#14044
40K → 25.2M627+55#14044#13989
25.2M → FINISH13217+115#13989#13874
TOTALS2375*830+1278

* 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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