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BOSTON MARATHON 2024

Winnie Lai

ON

Bib: 17711 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 33%
Gender (Female)
#0 / 10924
Top 18%
Masters (Masters Women)
#0 / 6263
Top 8%
Division (F45-49)
#0 / 1753
Top 8%
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:42/mi
23:56
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:44/mi
47:59
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:46/mi
1:12:07
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:53/mi
1:36:37
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:55/mi
1:42:01
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:54/mi
2:01:11
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:55/mi
2:25:47
↑ 181↓ 1480.2%
138 ft elev
20M
7:54/mi
2:36:31
↑ 64↓ 500.2%
148 ft elev
21M
8:14/mi
2:44:45
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:42/mi
2:50:31
↑ 17↓ 861.7%
156 ft elev
23M
7:56/mi
3:00:27
↑ 23↓ 630.6%
116 ft elev
24M
7:44/mi
3:08:11
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:55/mi
3:14:57
↓ 200.3%
20 ft elev
25.2M
8:45/mi
3:17:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:53/mi
3:26:00
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:42:017:47 /mi⚡ faster
2nd Half
1:43:597:56 /mi+1.9%
Positive split — 1.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:567:423.11 mi23:56
7:42
-
10K
47:597:433.10 mi24:03
7:44
+0:02
15K
1:12:077:443.11 mi24:08
7:46
+0:02
20K
1:36:377:463.11 mi24:30
7:53
+0:07
Half(13.11 mi)
1:42:017:470.68 mi5:24
7:55
+0:02
25K
2:01:117:482.42 mi19:10
7:54
-0:01
30K
2:25:477:493.11 mi24:36
7:55
+0:01
20M
2:36:317:501.36 mi10:44
7:54
-0:01
21M
2:44:457:511.00 mi8:14
8:14
+0:20
35K
2:50:317:500.75 mi5:46
7:42
-0:32
23M
3:00:277:511.25 mi9:56
7:56
+0:14
24M
3:08:117:501.00 mi7:44
7:44
-0:12
40K
3:14:577:510.85 mi6:46
7:55
+0:11
25.2M
3:17:587:510.35 mi3:01
8:45
+0:50
Finish(26.22 mi)
3:26:007:521.02 mi8:02
7:53
-0:52
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:42 /mi

Average Pace

7:52 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:22:59

99% of race

Time at Steady Pace

3:01

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:51 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi12351332633261168230583058
10K3.10 mi12266+853321+53321+51217732833283
15K3.11 mi12033+2333219+1023219+1021168230583058
20K3.11 mi11709+3243057+1623057+1621103628242824
Half(13.11 mi)0.68 mi11722-133072-153072-151214733853385
25K2.42 mi11283+4392875+1972875+197957322712271
30K3.11 mi10400+8832528+3472528+347741315231523
20M1.36 mi9963+4372353+1752353+175623912321232
21M1.00 mi9539+4242199+1542199+1545088926926
35K0.75 mi9362+1772151+482151+48615813731373
23M1.25 mi8996+3662035+1162035+116544712061206
24M1.00 mi8778+2181977+581977+58523811851185
40K0.85 mi8582+1961936+411936+41541313901390
25.2M0.35 mi8492+901920+161920+16550314971497
Finish(26.22 mi)1.02 mi8414+781921-11921-1784724892489

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

11682

Females

3058

F45-49

3058

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12177

Females

3283

F45-49

3283

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

11682

Females

3058

F45-49

3058

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11036

Females

2824

F45-49

2824

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12147

Females

3385

F45-49

3385

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9573

Females

2271

F45-49

2271

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7413

Females

1523

F45-49

1523

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6239

Females

1232

F45-49

1232

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5088

Females

926

F45-49

926

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6158

Females

1373

F45-49

1373

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5447

Females

1206

F45-49

1206

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5238

Females

1185

F45-49

1185

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5413

Females

1390

F45-49

1390

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5503

Females

1497

F45-49

1497

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

7847

Females

2489

F45-49

2489

Passing Analysis

Category:
Passed
4506
Passed By
569
Net Change
+3937
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12351
5K → 10K332247+85#12351#12266
10K → 15K340107+233#12266#12033
15K → 20K39369+324#12033#11709
20K → Half3750-13#11709#11722
Half → 25K45415+439#11722#11283
25K → 30K8874+883#11283#10400
30K → 20M4392+437#10400#9963
20M → 21M4262+424#9963#9539
21M → 35K1825+177#9539#9362
35K → 23M3748+366#9362#8996
23M → 24M2246+218#8996#8778
24M → 40K2037+196#8778#8582
40K → 25.2M988+90#8582#8492
25.2M → Finish11739+78#8492#8414
TOTALS4506569+3937

Passing Charts

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