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BOSTON MARATHON 2026

Mei-Fen Chou

Bib: 25733β€’F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F60-64)
#0 / 782
Race Day Weather
51Β°/41Β°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
27:06
3.11 mi
Rank: #21330
Start β†’ 5K
27:06 | 8:44/mi
10K
56:51
6.21 mi
Rank: #23376 (-2046)
5K β†’ 10K
29:45 | 9:35/mi
15K
1:25:31
9.32 mi
Rank: #23470 (-94)
10K β†’ 15K
28:40 | 9:14/mi
20K
1:56:39
12.43 mi
Rank: #23970 (-500)
15K β†’ 20K
31:08 | 10:02/mi
HALF
2:03:11
13.11 mi
Rank: #24003 (-33)
20K β†’ HALF
6:32 | 9:36/mi
25K
2:27:47
15.53 mi
Rank: #24138 (-135)
HALF β†’ 25K
24:36 | 10:09/mi
30K
3:00:34
18.64 mi
Rank: #24169 (-31)
25K β†’ 30K
32:47 | 10:34/mi
20M
3:15:36
20.00 mi
Rank: #24240 (-71)
30K β†’ 20M
15:02 | 11:05/mi
21M
3:27:23
21.00 mi
Rank: #24276 (-36)
20M β†’ 21M
11:47 | 11:47/mi
35K
3:35:15
21.75 mi
Rank: #24289 (-13)
21M β†’ 35K
7:52 | 10:31/mi
23M
3:48:49
23.00 mi
Rank: #24273 (+16)
35K β†’ 23M
13:34 | 10:51/mi
24M
4:01:27
24.00 mi
Rank: #24485 (-212)
23M β†’ 24M
12:38 | 12:38/mi
40K
4:11:33
24.85 mi
Rank: #24528 (-43)
24M β†’ 40K
10:06 | 11:49/mi
25.2M
4:15:33
25.20 mi
Rank: #24517 (+11)
40K β†’ 25.2M
4:00 | 11:36/mi
FINISH
4:26:15
26.22 mi
Rank: #24548 (-31)
25.2M β†’ FINISH
10:42 | 10:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:03:11
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:23:04
Pace10:55 /mi
πŸ“ŠPositive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:2127:068:4427:06
8:44
-
10K
6.21 mi12:03:0656:519:0929:45
9:35
+0:51
15K
9.32 mi12:31:461:25:319:1128:40
9:14
-0:21
20K
12.43 mi13:02:541:56:399:2431:08
10:02
+0:48
HALF
13.11 mi13:09:262:03:119:246:32
9:36
-0:26
25K
15.53 mi13:34:022:27:479:3124:36
10:09
+0:33
30K
18.64 mi14:06:493:00:349:4232:47
10:34
+0:25
20M
20.00 mi14:21:513:15:369:4715:02
11:05
+0:31
21M
21.00 mi14:33:383:27:239:5311:47
11:47
+0:42
35K
21.75 mi14:41:303:35:159:547:52
10:31
-1:16
23M
23.00 mi14:55:043:48:499:5713:34
10:51
+0:20
24M
24.00 mi15:07:424:01:2710:0412:38
12:38
+1:47
40K
24.85 mi15:17:484:11:3310:0810:06
11:49
-0:49
25.2M
25.20 mi15:21:484:15:3310:094:00
11:36
-0:13
FINISH
26.22 mi15:32:304:26:1510:1010:42
10:30
-1:06

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

8:44 /mi

Average Pace

10:10 /mi

Slowest Pace

12:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:32:03

35% of race

Time at Steady Pace

2:00:39

45% of race

Time at Slower Pace

53:33

20% of race

Average Pace: 10:09 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:33:2127:068:4427:06
8:44
#21330
10K
6.21 mi12:03:0656:519:0929:45
9:35
#23376
15K
9.32 mi12:31:461:25:319:1128:40
9:14
#23470
20K
12.43 mi13:02:541:56:399:2431:08
10:02
#23970
HALF
13.11 mi13:09:262:03:119:246:32
9:36
#24003
25K
15.53 mi13:34:022:27:479:3124:36
10:09
#24138
30K
18.64 mi14:06:493:00:349:4232:47
10:34
#24169
20M
20.00 mi14:21:513:15:369:4715:02
11:05
#24240
21M
21.00 mi14:33:383:27:239:5311:47
11:47
#24276
35K
21.75 mi14:41:303:35:159:547:52
10:31
#24289
23M
23.00 mi14:55:043:48:499:5713:34
10:51
#24273
24M
24.00 mi15:07:424:01:2710:0412:38
12:38
#24485
40K
24.85 mi15:17:484:11:3310:0810:06
11:49
#24528
25.2M
25.20 mi15:21:484:15:3310:094:00
11:36
#24517
FINISH
26.22 mi15:32:304:26:1510:1010:42
10:30
#24548
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi213308355835523600(Top 81%)9458(Top 75%)9458(Top 1209%)
10K6.21 mi3.10 mi23376-20469347-9929347-99224781(Top 85%)10069(Top 80%)10069(Top 1288%)
15K9.32 mi3.11 mi23470-949397-509397-5023600(Top 81%)9458(Top 75%)9458(Top 1209%)
20K12.43 mi3.11 mi23970-5009650-2539650-25325098(Top 86%)10242(Top 81%)10242(Top 1310%)
HALF13.11 mi0.68 mi24003-339663-139663-1324622(Top 85%)10011(Top 80%)10011(Top 1280%)
25K15.53 mi2.42 mi24138-1359743-809743-8024640(Top 85%)10047(Top 80%)10047(Top 1285%)
30K18.64 mi3.11 mi24169-319786-439786-4324424(Top 84%)10070(Top 80%)10070(Top 1288%)
20M20.00 mi1.36 mi24240-719835-499835-4925050(Top 86%)10465(Top 83%)10465(Top 1338%)
21M21.00 mi1.00 mi24276-369869-349869-3424707(Top 85%)10348(Top 82%)10348(Top 1323%)
35K21.75 mi0.75 mi24289-139887-189887-1824349(Top 84%)10172(Top 81%)10172(Top 1301%)
23M23.00 mi1.25 mi24273+169900-139900-1324149(Top 83%)10133(Top 81%)10133(Top 1296%)
24M24.00 mi1.00 mi24485-21210025-12510025-12527325(Top 94%)11776(Top 94%)11776(Top 1506%)
40K24.85 mi0.85 mi24528-4310059-3410059-3425611(Top 88%)10948(Top 87%)10948(Top 1400%)
25.2M25.20 mi0.35 mi24517+11100591005923724(Top 82%)9998(Top 79%)9998(Top 1279%)
FINISH26.22 mi1.02 mi24548-3110098-3910098-3925064(Top 86%)10661(Top 85%)10661(Top 1363%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
Γ—21
+97ft-345ft

Overall

23600

Females

9458

F60-64

9458

5K→10K

3.1 - 6.2 mi

Top 85%
Γ—5
+79ft-138ft

Overall

24781

Females

10069

F60-64

10069

10K→15K

6.2 - 9.3 mi

Top 81%
Γ—3
+67ft-78ft

Overall

23600

Females

9458

F60-64

9458

15K→20K

9.3 - 12.4 mi

Top 86%
Γ—5
+106ft-86ft

Overall

25098

Females

10242

F60-64

10242

20K→HALF

12.4 - 13.1 mi

Top 85%
Γ—2
+19ft-37ft

Overall

24622

Females

10011

F60-64

10011

HALF→25K

13.1 - 15.5 mi

Top 85%
Γ—4
+66ft-88ft

Overall

24640

Females

10047

F60-64

10047

25K→30K

15.5 - 18.6 mi

Top 84%
Γ—9
+181ft-148ft

Overall

24424

Females

10070

F60-64

10070

30K→20M

18.6 - 20.0 mi

Top 86%
Γ—5
+64ft-50ft

Overall

25050

Females

10465

F60-64

10465

20M→21M

20.0 - 21.0 mi

Top 85%
Γ—8
+106ft-24ft

Overall

24707

Females

10348

F60-64

10348

21M→35K

21.0 - 21.8 mi

Top 84%
Γ—7
+17ft-86ft

Overall

24349

Females

10172

F60-64

10172

35K→23M

21.8 - 23.0 mi

Top 83%
Γ—5
+23ft-63ft

Overall

24149

Females

10133

F60-64

10133

23M→24M

23.0 - 24.0 mi

Top 94%
Γ—6
+12ft-82ft

Overall

27325

Females

11776

F60-64

11776

24M→40K

24.0 - 24.9 mi

Top 88%
Γ—1
+6ft-20ft

Overall

25611

Females

10948

F60-64

10948

40K→25.2M

24.9 - 25.2 mi

Top 82%
Γ—1
+13ft-16ft

Overall

23724

Females

9998

F60-64

9998

25.2M→FINISH

25.2 - 26.2 mi

Top 86%
Γ—2
+22ft-21ft

Overall

25064

Females

10661

F60-64

10661

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
694
Passed By
1673
Net Change
-3218
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#21330
5K β†’ 10K8200-2046#21330#23376
10K β†’ 15K124200-94#23376#23470
15K β†’ 20K38200-500#23470#23970
20K β†’ HALF1750-33#23970#24003
HALF β†’ 25K73200-135#24003#24138
25K β†’ 30K140171-31#24138#24169
30K β†’ 20M43114-71#24169#24240
20M β†’ 21M4985-36#24240#24276
21M β†’ 35K3043-13#24276#24289
35K β†’ 23M6852+16#24289#24273
23M β†’ 24M9200-212#24273#24485
24M β†’ 40K3578-43#24485#24528
40K β†’ 25.2M2211+11#24528#24517
25.2M β†’ FINISH3869-31#24517#24548
TOTALS6941673-3218
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing