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BOSTON MARATHON 2024

Junko Matsuura

Bib: 17113•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 43%
Gender (Female)
#0 / 10924
Top 29%
Masters (Masters Women)
#0 / 6263
Top 17%
Division (F50-54)
#0 / 1187
Top 11%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:43/mi
23:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
47:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:12:09
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:37:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:42:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:02:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:35/mi
2:29:33
↑ 181↓ 1480.2%
20M
8:45/mi
2:41:26
↑ 64↓ 500.2%
21M
9:14/mi
2:50:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
2:57:09
↑ 17↓ 861.7%
23M
8:44/mi
3:08:05
↑ 23↓ 630.6%
24M
8:36/mi
3:16:41
↓ 821.3%
40K· 24.85 mi
8:44/mi
3:24:09
↓ 200.3%
25.2M
9:31/mi
3:27:26
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
3:35:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:57
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:52:48
Pace8:36 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4723:597:4323:59
7:43
-
10K
6.21 mi11:38:2947:417:4023:42
7:38
-0:05
15K
9.32 mi12:02:571:12:097:4424:28
7:53
+0:15
20K
12.43 mi12:28:141:37:267:5025:17
8:08
+0:15
Half
13.11 mi12:33:451:42:577:515:31
8:05
-0:03
25K
15.53 mi12:53:412:02:537:5519:56
8:13
+0:08
30K
18.64 mi13:20:212:29:338:0126:40
8:35
+0:22
20M
20.00 mi13:32:142:41:268:0411:53
8:45
+0:10
21M
21.00 mi13:41:282:50:408:089:14
9:14
+0:29
35K
21.75 mi13:47:572:57:098:096:29
8:40
-0:34
23M
23.00 mi13:58:533:08:058:1110:56
8:44
+0:04
24M
24.00 mi14:07:293:16:418:128:36
8:36
-0:08
40K
24.85 mi14:14:573:24:098:137:28
8:44
+0:08
25.2M
25.20 mi14:18:143:27:268:143:17
9:31
+0:47
Finish
26.22 mi14:26:333:35:458:148:19
8:10
-1:21

Checkpoints & Pacing

📈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

7:38 /mi

Average Pace

8:14 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:12

61% of race

Time at Steady Pace

1:12:02

33% of race

Time at Slower Pace

12:31

6% of race

Average Pace: 8:14 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:14:4723:597:4323:59
7:43
#12463
10K
6.21 mi11:38:2947:417:4023:42
7:38
#11868
15K
9.32 mi12:02:571:12:097:4424:28
7:53
#12063
20K
12.43 mi12:28:141:37:267:5025:17
8:08
#12196
Half
13.11 mi12:33:451:42:577:515:31
8:05
#12251
25K
15.53 mi12:53:412:02:537:5519:56
8:13
#12062
30K
18.64 mi13:20:212:29:338:0126:40
8:35
#11830
20M
20.00 mi13:32:142:41:268:0411:53
8:45
#11705
21M
21.00 mi13:41:282:50:408:089:14
9:14
#11505
35K
21.75 mi13:47:572:57:098:096:29
8:40
#11480
23M
23.00 mi13:58:533:08:058:1110:56
8:44
#11295
24M
24.00 mi14:07:293:16:418:128:36
8:36
#11198
40K
24.85 mi14:14:573:24:098:137:28
8:44
#11086
25.2M
25.20 mi14:18:143:27:268:143:17
9:31
#11032
Finish
26.22 mi14:26:333:35:458:148:19
8:10
#10941
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi124633387338712503(Top 49%)3513(Top 32%)3513(Top 296%)
10K6.21 mi3.10 mi11868+5953099+2883099+28811303(Top 44%)2815(Top 26%)2815(Top 237%)
15K9.32 mi3.11 mi12063-1953238-1393238-13912503(Top 49%)3513(Top 32%)3513(Top 296%)
20K12.43 mi3.11 mi12196-1333331-933331-9312770(Top 50%)3716(Top 34%)3716(Top 313%)
Half13.11 mi0.68 mi12251-553357-263357-2613301(Top 52%)4065(Top 37%)4065(Top 342%)
25K15.53 mi2.42 mi12062+1893292+653292+6511511(Top 45%)3239(Top 30%)3239(Top 273%)
30K18.64 mi3.11 mi11830+2323253+393253+3911093(Top 43%)3236(Top 30%)3236(Top 273%)
20M20.00 mi1.36 mi11705+1253235+183235+1810812(Top 42%)3373(Top 31%)3373(Top 284%)
21M21.00 mi1.00 mi11505+2003201+343201+349663(Top 38%)3046(Top 28%)3046(Top 257%)
35K21.75 mi0.75 mi11480+253220-193220-1911643(Top 46%)4090(Top 37%)4090(Top 345%)
23M23.00 mi1.25 mi11295+1853188+323188+329749(Top 38%)3263(Top 30%)3263(Top 275%)
24M24.00 mi1.00 mi11198+973187+13187+110055(Top 39%)3467(Top 32%)3467(Top 292%)
40K24.85 mi0.85 mi11086+1123177+103177+109576(Top 37%)3355(Top 31%)3355(Top 283%)
25.2M25.20 mi0.35 mi11032+543170+73170+78876(Top 35%)3094(Top 28%)3094(Top 261%)
Finish26.22 mi1.02 mi10941+913164+63164+69575(Top 37%)3311(Top 30%)3311(Top 279%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12503

Females

3513

F50-54

3513

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11303

Females

2815

F50-54

2815

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12503

Females

3513

F50-54

3513

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

12770

Females

3716

F50-54

3716

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13301

Females

4065

F50-54

4065

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11511

Females

3239

F50-54

3239

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11093

Females

3236

F50-54

3236

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

10812

Females

3373

F50-54

3373

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

9663

Females

3046

F50-54

3046

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

11643

Females

4090

F50-54

4090

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

9749

Females

3263

F50-54

3263

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10055

Females

3467

F50-54

3467

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9576

Females

3355

F50-54

3355

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

8876

Females

3094

F50-54

3094

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9575

Females

3311

F50-54

3311

Passing Analysis

Category:
Athletes Passed
3070
Passed By
1548
Net Change
+1522
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12463
5K → 10K68590+595#12463#11868
10K → 15K172367-195#11868#12063
15K → 20K195328-133#12063#12196
20K → Half2277-55#12196#12251
Half → 25K331142+189#12251#12062
25K → 30K413181+232#12062#11830
30K → 20M19772+125#11830#11705
20M → 21M23838+200#11705#11505
21M → 35K9267+25#11505#11480
35K → 23M22742+185#11480#11295
23M → 24M14952+97#11295#11198
24M → 40K15745+112#11198#11086
40K → 25.2M6511+54#11086#11032
25.2M → Finish12736+91#11032#10941
TOTALS30701548+1522
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing