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BOSTON MARATHON 2024

Yan Liu

Bib: 19697•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 43%
Gender (Female)
#0 / 10924
Top 30%
Masters (Masters Women)
#0 / 6263
Top 17%
Division (F50-54)
#0 / 1187
Top 11%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:49
Rank: #14567
Start → 5K
7:59/mi
24:49 split
10K· 6.21 mi
49:34
Rank: #14246 (+321)
5K → 10K
7:58/mi
24:45 split
15K· 9.32 mi
1:14:51
Rank: #14267 (-21)
10K → 15K
8:08/mi
25:17 split
20K· 12.43 mi
1:40:07
Rank: #13802 (+465)
15K → 20K
8:08/mi
25:16 split
Half· 13.11 mi
1:45:36
Rank: #13738 (+64)
20K → Half
8:02/mi
5:29 split
25K· 15.53 mi
2:05:04
Rank: #13079 (+659)
Half → 25K
8:02/mi
19:28 split
30K· 18.64 mi
2:30:45
Rank: #12266 (+813)
25K → 30K
8:16/mi
25:41 split
20M
2:42:13
Rank: #11969 (+297)
30K → 20M
8:26/mi
11:28 split
21M
2:51:01
Rank: #11622 (+347)
20M → 21M
8:48/mi
8:48 split
35K· 21.75 mi
2:57:08
Rank: #11476 (+146)
21M → 35K
8:11/mi
6:07 split
23M
3:08:02
Rank: #11285 (+191)
35K → 23M
8:42/mi
10:54 split
24M
3:16:36
Rank: #11175 (+110)
23M → 24M
8:34/mi
8:34 split
40K· 24.85 mi
3:24:08
Rank: #11082 (+93)
24M → 40K
8:49/mi
7:32 split
25.2M
3:27:31
Rank: #11050 (+32)
40K → 25.2M
9:49/mi
3:23 split
Finish· 26.22 mi
3:36:15
Rank: #11050
25.2M → Finish
8:34/mi
8:44 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:36
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:50:39
Pace8:26 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0424:497:5924:49
7:59
-
10K
6.21 mi11:45:4949:347:5924:45
7:58
-0:01
15K
9.32 mi12:11:061:14:518:0225:17
8:08
+0:10
20K
12.43 mi12:36:221:40:078:0325:16
8:08
0:00
Half
13.11 mi12:41:511:45:368:035:29
8:02
-0:06
25K
15.53 mi13:01:192:05:048:0319:28
8:02
0:00
30K
18.64 mi13:27:002:30:458:0525:41
8:16
+0:14
20M
20.00 mi13:38:282:42:138:0711:28
8:26
+0:10
21M
21.00 mi13:47:162:51:018:098:48
8:48
+0:22
35K
21.75 mi13:53:232:57:088:096:07
8:11
-0:37
23M
23.00 mi14:04:173:08:028:1110:54
8:42
+0:31
24M
24.00 mi14:12:513:16:368:128:34
8:34
-0:08
40K
24.85 mi14:20:233:24:088:137:32
8:49
+0:15
25.2M
25.20 mi14:23:463:27:318:143:23
9:49
+1:00
Finish
26.22 mi14:32:303:36:158:158:44
8:34
-1:15

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

7:58 /mi

Average Pace

8:15 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:34

23% of race

Time at Steady Pace

1:58:46

55% of race

Time at Slower Pace

47:55

22% of race

Average Pace: 8:15 /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 mi11:21:0424:497:5924:49
7:59
#14567
10K
6.21 mi11:45:4949:347:5924:45
7:58
#14246
15K
9.32 mi12:11:061:14:518:0225:17
8:08
#14267
20K
12.43 mi12:36:221:40:078:0325:16
8:08
#13802
Half
13.11 mi12:41:511:45:368:035:29
8:02
#13738
25K
15.53 mi13:01:192:05:048:0319:28
8:02
#13079
30K
18.64 mi13:27:002:30:458:0525:41
8:16
#12266
20M
20.00 mi13:38:282:42:138:0711:28
8:26
#11969
21M
21.00 mi13:47:162:51:018:098:48
8:48
#11622
35K
21.75 mi13:53:232:57:088:096:07
8:11
#11476
23M
23.00 mi14:04:173:08:028:1110:54
8:42
#11285
24M
24.00 mi14:12:513:16:368:128:34
8:34
#11175
40K
24.85 mi14:20:233:24:088:137:32
8:49
#11082
25.2M
25.20 mi14:23:463:27:318:143:23
9:49
#11050
Finish
26.22 mi14:32:303:36:158:158:44
8:34
#11050
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi145674665466514329(Top 56%)4562(Top 42%)4562(Top 384%)
10K6.21 mi3.10 mi14246+3214480+1854480+18513944(Top 55%)4316(Top 40%)4316(Top 364%)
15K9.32 mi3.11 mi14267-214491-114491-1114329(Top 56%)4562(Top 42%)4562(Top 384%)
20K12.43 mi3.11 mi13802+4654245+2464245+24612745(Top 50%)3701(Top 34%)3701(Top 312%)
Half13.11 mi0.68 mi13738+644207+384207+3813020(Top 51%)3888(Top 36%)3888(Top 328%)
25K15.53 mi2.42 mi13079+6593853+3543853+35410389(Top 41%)2683(Top 25%)2683(Top 226%)
30K18.64 mi3.11 mi12266+8133497+3563497+3569396(Top 37%)2409(Top 22%)2409(Top 203%)
20M20.00 mi1.36 mi11969+2973392+1053392+1059141(Top 36%)2531(Top 23%)2531(Top 213%)
21M21.00 mi1.00 mi11622+3473261+1313261+1317650(Top 30%)2022(Top 19%)2022(Top 170%)
35K21.75 mi0.75 mi11476+1463218+433218+438887(Top 35%)2668(Top 24%)2668(Top 225%)
23M23.00 mi1.25 mi11285+1913184+343184+349600(Top 38%)3184(Top 29%)3184(Top 268%)
24M24.00 mi1.00 mi11175+1103175+93175+99870(Top 39%)3373(Top 31%)3373(Top 284%)
40K24.85 mi0.85 mi11082+93317531759960(Top 39%)3549(Top 32%)3549(Top 299%)
25.2M25.20 mi0.35 mi11050+323181-63181-610165(Top 40%)3695(Top 34%)3695(Top 311%)
Finish26.22 mi1.02 mi110503227-463227-4611913(Top 47%)4418(Top 40%)4418(Top 372%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14329

Females

4562

F50-54

4562

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

13944

Females

4316

F50-54

4316

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14329

Females

4562

F50-54

4562

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

12745

Females

3701

F50-54

3701

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13020

Females

3888

F50-54

3888

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10389

Females

2683

F50-54

2683

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9396

Females

2409

F50-54

2409

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9141

Females

2531

F50-54

2531

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

7650

Females

2022

F50-54

2022

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

8887

Females

2668

F50-54

2668

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

9600

Females

3184

F50-54

3184

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

9870

Females

3373

F50-54

3373

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

9960

Females

3549

F50-54

3549

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10165

Females

3695

F50-54

3695

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

11913

Females

4418

F50-54

4418

Passing Analysis

Category:
Athletes Passed
4285
Passed By
768
Net Change
+3517
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14567
5K → 10K466145+321#14567#14246
10K → 15K231252-21#14246#14267
15K → 20K51550+465#14267#13802
20K → Half7511+64#13802#13738
Half → 25K6667+659#13738#13079
25K → 30K82916+813#13079#12266
30K → 20M31518+297#12266#11969
20M → 21M35710+347#11969#11622
21M → 35K15913+146#11622#11476
35K → 23M23039+191#11476#11285
23M → 24M15747+110#11285#11175
24M → 40K14653+93#11175#11082
40K → 25.2M5220+32#11082#11050
25.2M → Finish87870#11050#11050
TOTALS4285768+3517
📊

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