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BOSTON MARATHON 2024

Yun Zhou

Bib: 21002•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
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
9:08/mi
28:22
↑ 97↓ 3451.5%
10K· 6.21 mi
9:18/mi
57:17
↑ 79↓ 1380.4%
15K· 9.32 mi
10:25/mi
1:29:39
↑ 67↓ 78
20K· 12.43 mi
10:31/mi
2:02:20
↑ 106↓ 860.1%
Half· 13.11 mi
9:29/mi
2:08:48
↑ 19↓ 370.5%
25K· 15.53 mi
10:44/mi
2:34:50
↑ 66↓ 880.2%
30K· 18.64 mi
10:42/mi
3:08:06
↑ 181↓ 1480.2%
20M
11:10/mi
3:23:16
↑ 64↓ 500.2%
21M
11:37/mi
3:34:53
↑ 106↓ 241.6%
35K· 21.75 mi
10:18/mi
3:42:35
↑ 17↓ 861.7%
23M
10:54/mi
3:56:14
↑ 23↓ 630.6%
24M
10:39/mi
4:06:53
↓ 821.3%
40K· 24.85 mi
10:50/mi
4:16:09
↓ 200.3%
25.2M
12:02/mi
4:20:18
↑ 13↓ 160.2%
Finish· 26.22 mi
10:12/mi
4:30:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:48
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:21:54
Pace10:49 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2528:229:0828:22
9:08
-
10K
6.21 mi11:54:2057:179:1328:55
9:18
+0:10
15K
9.32 mi12:26:421:29:399:3732:22
10:25
+1:07
20K
12.43 mi12:59:232:02:209:5132:41
10:31
+0:06
Half
13.11 mi13:05:512:08:489:496:28
9:29
-1:02
25K
15.53 mi13:31:532:34:509:5826:02
10:44
+1:15
30K
18.64 mi14:05:093:08:0610:0533:16
10:42
-0:02
20M
20.00 mi14:20:193:23:1610:1015:10
11:10
+0:28
21M
21.00 mi14:31:563:34:5310:1411:37
11:37
+0:27
35K
21.75 mi14:39:383:42:3510:147:42
10:18
-1:19
23M
23.00 mi14:53:173:56:1410:1613:39
10:54
+0:36
24M
24.00 mi15:03:564:06:5310:1710:39
10:39
-0:15
40K
24.85 mi15:13:124:16:0910:189:16
10:50
+0:11
25.2M
25.20 mi15:17:214:20:1810:204:09
12:02
+1:12
Finish
26.22 mi15:27:454:30:4210:2010:24
10:12
-1:50

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

9:08 /mi

Average Pace

10:20 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:09

27% of race

Time at Steady Pace

2:45:37

61% of race

Time at Slower Pace

30:56

11% of race

Average Pace: 10:19 /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 mi11:25:2528:229:0828:22
9:08
#20583
10K
6.21 mi11:54:2057:179:1328:55
9:18
#20689
15K
9.32 mi12:26:421:29:399:3732:22
10:25
#21552
20K
12.43 mi12:59:232:02:209:5132:41
10:31
#21599
Half
13.11 mi13:05:512:08:489:496:28
9:29
#21504
25K
15.53 mi13:31:532:34:509:5826:02
10:44
#21400
30K
18.64 mi14:05:093:08:0610:0533:16
10:42
#20990
20M
20.00 mi14:20:193:23:1610:1015:10
11:10
#20893
21M
21.00 mi14:31:563:34:5310:1411:37
11:37
#20706
35K
21.75 mi14:39:383:42:3510:147:42
10:18
#20623
23M
23.00 mi14:53:173:56:1410:1613:39
10:54
#20489
24M
24.00 mi15:03:564:06:5310:1710:39
10:39
#20389
40K
24.85 mi15:13:124:16:0910:189:16
10:50
#20282
25.2M
25.20 mi15:17:214:20:1810:204:09
12:02
#20219
Finish
26.22 mi15:27:454:30:4210:2010:24
10:12
#20184
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi205838189818922781(Top 89%)9308(Top 85%)9308(Top 531%)
10K6.21 mi3.10 mi20689-1068214-258214-2520812(Top 81%)8261(Top 76%)8261(Top 471%)
15K9.32 mi3.11 mi21552-8638658-4448658-44422781(Top 89%)9308(Top 85%)9308(Top 531%)
20K12.43 mi3.11 mi21599-478692-348692-3421720(Top 85%)8747(Top 80%)8747(Top 499%)
Half13.11 mi0.68 mi21504+958638+548638+5420040(Top 78%)7897(Top 72%)7897(Top 450%)
25K15.53 mi2.42 mi21400+1048595+438595+4320965(Top 82%)8444(Top 77%)8444(Top 482%)
30K18.64 mi3.11 mi20990+4108433+1628433+16219287(Top 75%)7734(Top 71%)7734(Top 441%)
20M20.00 mi1.36 mi20893+978404+298404+2919641(Top 77%)8042(Top 74%)8042(Top 459%)
21M21.00 mi1.00 mi20706+1878334+708334+7017957(Top 70%)7310(Top 67%)7310(Top 417%)
35K21.75 mi0.75 mi20623+838309+258309+2518034(Top 71%)7364(Top 67%)7364(Top 420%)
23M23.00 mi1.25 mi20489+1348258+518258+5118164(Top 71%)7487(Top 69%)7487(Top 427%)
24M24.00 mi1.00 mi20389+1008229+298229+2918305(Top 72%)7622(Top 70%)7622(Top 435%)
40K24.85 mi0.85 mi20282+1078184+458184+4517676(Top 69%)7358(Top 67%)7358(Top 420%)
25.2M25.20 mi0.35 mi20219+638158+268158+2617457(Top 68%)7285(Top 67%)7285(Top 416%)
Finish26.22 mi1.02 mi20184+358147+118147+1119119(Top 75%)8033(Top 74%)8033(Top 458%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

22781

Females

9308

F45-49

9308

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

20812

Females

8261

F45-49

8261

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

22781

Females

9308

F45-49

9308

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

21720

Females

8747

F45-49

8747

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20040

Females

7897

F45-49

7897

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

20965

Females

8444

F45-49

8444

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19287

Females

7734

F45-49

7734

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

19641

Females

8042

F45-49

8042

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

17957

Females

7310

F45-49

7310

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18034

Females

7364

F45-49

7364

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18164

Females

7487

F45-49

7487

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

18305

Females

7622

F45-49

7622

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

17676

Females

7358

F45-49

7358

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17457

Females

7285

F45-49

7285

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19119

Females

8033

F45-49

8033

Passing Analysis

Category:
Athletes Passed
2084
Passed By
1685
Net Change
+399
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20583
5K → 10K219325-106#20583#20689
10K → 15K37900-863#20689#21552
15K → 20K166213-47#21552#21599
20K → Half950+95#21599#21504
Half → 25K19288+104#21504#21400
25K → 30K42919+410#21400#20990
30K → 20M12528+97#20990#20893
20M → 21M20316+187#20893#20706
21M → 35K907+83#20706#20623
35K → 23M15622+134#20623#20489
23M → 24M11515+100#20489#20389
24M → 40K1169+107#20389#20282
40K → 25.2M685+63#20282#20219
25.2M → Finish7338+35#20219#20184
TOTALS20841685+399
📊

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