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BOSTON MARATHON 2024

Rachel Leung

Bib: 19144•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 45%
Masters (Masters Women)
#0 / 6263
Top 34%
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:34
Rank: #13942
Start → 5K
7:54/mi
24:34 split
10K· 6.21 mi
49:30
Rank: #14169 (-227)
5K → 10K
8:02/mi
24:56 split
15K· 9.32 mi
1:15:10
Rank: #14484 (-315)
10K → 15K
8:16/mi
25:40 split
20K· 12.43 mi
1:41:58
Rank: #14755 (-271)
15K → 20K
8:38/mi
26:48 split
Half· 13.11 mi
1:47:45
Rank: #14800 (-45)
20K → Half
8:29/mi
5:47 split
25K· 15.53 mi
2:09:34
Rank: #14870 (-70)
Half → 25K
9:00/mi
21:49 split
30K· 18.64 mi
2:39:02
Rank: #14977 (-107)
25K → 30K
9:29/mi
29:28 split
20M
2:51:42
Rank: #14895 (+82)
30K → 20M
9:19/mi
12:40 split
21M
3:01:22
Rank: #14669 (+226)
20M → 21M
9:40/mi
9:40 split
35K· 21.75 mi
3:07:49
Rank: #14517 (+152)
21M → 35K
8:37/mi
6:27 split
23M
3:19:25
Rank: #14358 (+159)
35K → 23M
9:16/mi
11:36 split
24M
3:28:27
Rank: #14244 (+114)
23M → 24M
9:02/mi
9:02 split
40K· 24.85 mi
3:36:58
Rank: #14287 (-43)
24M → 40K
9:58/mi
8:31 split
25.2M
3:40:26
Rank: #14213 (+74)
40K → 25.2M
10:03/mi
3:28 split
Finish· 26.22 mi
3:49:17
Rank: #14119 (+94)
25.2M → Finish
8:41/mi
8:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:45
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:01:32
Pace9:16 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0024:347:5424:34
7:54
-
10K
6.21 mi11:41:5649:307:5824:56
8:02
+0:08
15K
9.32 mi12:07:361:15:108:0425:40
8:16
+0:14
20K
12.43 mi12:34:241:41:588:1226:48
8:38
+0:22
Half
13.11 mi12:40:111:47:458:135:47
8:29
-0:09
25K
15.53 mi13:02:002:09:348:2021:49
9:00
+0:31
30K
18.64 mi13:31:282:39:028:3229:28
9:29
+0:29
20M
20.00 mi13:44:082:51:428:3512:40
9:19
-0:10
21M
21.00 mi13:53:483:01:228:389:40
9:40
+0:21
35K
21.75 mi14:00:153:07:498:386:27
8:37
-1:03
23M
23.00 mi14:11:513:19:258:4011:36
9:16
+0:39
24M
24.00 mi14:20:533:28:278:419:02
9:02
-0:14
40K
24.85 mi14:29:243:36:588:448:31
9:58
+0:56
25.2M
25.20 mi14:32:523:40:268:453:28
10:03
+0:05
Finish
26.22 mi14:41:433:49:178:458:51
8:41
-1:22

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

7:54 /mi

Average Pace

8:45 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:12

50% of race

Time at Steady Pace

1:03:58

28% of race

Time at Slower Pace

51:07

22% of race

Average Pace: 8:45 /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 mi11:17:0024:347:5424:34
7:54
#13942
10K
6.21 mi11:41:5649:307:5824:56
8:02
#14169
15K
9.32 mi12:07:361:15:108:0425:40
8:16
#14484
20K
12.43 mi12:34:241:41:588:1226:48
8:38
#14755
Half
13.11 mi12:40:111:47:458:135:47
8:29
#14800
25K
15.53 mi13:02:002:09:348:2021:49
9:00
#14870
30K
18.64 mi13:31:282:39:028:3229:28
9:29
#14977
20M
20.00 mi13:44:082:51:428:3512:40
9:19
#14895
21M
21.00 mi13:53:483:01:228:389:40
9:40
#14669
35K
21.75 mi14:00:153:07:498:386:27
8:37
#14517
23M
23.00 mi14:11:513:19:258:4011:36
9:16
#14358
24M
24.00 mi14:20:533:28:278:419:02
9:02
#14244
40K
24.85 mi14:29:243:36:588:448:31
9:58
#14287
25.2M
25.20 mi14:32:523:40:268:453:28
10:03
#14213
Finish
26.22 mi14:41:433:49:178:458:51
8:41
#14119
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi139424275427515077(Top 59%)5006(Top 46%)5006(Top 310%)
10K6.21 mi3.10 mi14169-2274440-1654440-16514390(Top 56%)4566(Top 42%)4566(Top 283%)
15K9.32 mi3.11 mi14484-3154622-1824622-18215077(Top 59%)5006(Top 46%)5006(Top 310%)
20K12.43 mi3.11 mi14755-2714808-1864808-18615473(Top 61%)5282(Top 48%)5282(Top 327%)
Half13.11 mi0.68 mi14800-454838-304838-3015588(Top 61%)5388(Top 49%)5388(Top 334%)
25K15.53 mi2.42 mi14870-704919-814919-8115505(Top 61%)5449(Top 50%)5449(Top 338%)
30K18.64 mi3.11 mi14977-1075070-1515070-15115403(Top 60%)5642(Top 52%)5642(Top 350%)
20M20.00 mi1.36 mi14895+825059+115059+1113725(Top 54%)4973(Top 46%)4973(Top 308%)
21M21.00 mi1.00 mi14669+2264976+834976+8311585(Top 45%)4056(Top 37%)4056(Top 251%)
35K21.75 mi0.75 mi14517+1524912+644912+6411460(Top 45%)4012(Top 37%)4012(Top 249%)
23M23.00 mi1.25 mi14358+1594888+244888+2412462(Top 49%)4650(Top 43%)4650(Top 288%)
24M24.00 mi1.00 mi14244+1144870+184870+1812359(Top 48%)4602(Top 42%)4602(Top 285%)
40K24.85 mi0.85 mi14287-434931-614931-6114869(Top 58%)5950(Top 54%)5950(Top 369%)
25.2M25.20 mi0.35 mi14213+744905+264905+2611219(Top 44%)4212(Top 39%)4212(Top 261%)
Finish26.22 mi1.02 mi14119+944881+244881+2412577(Top 49%)4763(Top 44%)4763(Top 295%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15077

Females

5006

F40-44

5006

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14390

Females

4566

F40-44

4566

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15077

Females

5006

F40-44

5006

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

15473

Females

5282

F40-44

5282

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

15588

Females

5388

F40-44

5388

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

15505

Females

5449

F40-44

5449

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15403

Females

5642

F40-44

5642

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

13725

Females

4973

F40-44

4973

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11585

Females

4056

F40-44

4056

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

11460

Females

4012

F40-44

4012

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

12462

Females

4650

F40-44

4650

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12359

Females

4602

F40-44

4602

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

14869

Females

5950

F40-44

5950

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11219

Females

4212

F40-44

4212

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

12577

Females

4763

F40-44

4763

Passing Analysis

Category:
Athletes Passed
2181
Passed By
2358
Net Change
-177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13942
5K → 10K206433-227#13942#14169
10K → 15K139454-315#14169#14484
15K → 20K152423-271#14484#14755
20K → Half3075-45#14755#14800
Half → 25K198268-70#14800#14870
25K → 30K229336-107#14870#14977
30K → 20M16886+82#14977#14895
20M → 21M25529+226#14895#14669
21M → 35K16715+152#14669#14517
35K → 23M21354+159#14517#14358
23M → 24M15137+114#14358#14244
24M → 40K65108-43#14244#14287
40K → 25.2M839+74#14287#14213
25.2M → Finish12531+94#14213#14119
TOTALS21812358-177
📊

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