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BOSTON MARATHON 2024

Yi Xiao

Bib: 18501•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:10
Rank: #22303
Start → 5K
30:10 | 9:43/mi
10K· 6.21 mi
1:00:45
Rank: #22263 (+40)
5K → 10K
30:35 | 9:51/mi
15K· 9.32 mi
1:31:56
Rank: #22171 (+92)
10K → 15K
31:11 | 10:02/mi
20K· 12.43 mi
2:04:11
Rank: #21944 (+227)
15K → 20K
32:15 | 10:23/mi
Half· 13.11 mi
2:11:12
Rank: #21950 (-6)
20K → Half
7:01 | 10:17/mi
25K· 15.53 mi
2:37:21
Rank: #21808 (+142)
Half → 25K
26:09 | 10:47/mi
30K· 18.64 mi
3:11:23
Rank: #21413 (+395)
25K → 30K
34:02 | 10:57/mi
20M
3:26:10
Rank: #21237 (+176)
30K → 20M
14:47 | 10:53/mi
21M
3:37:33
Rank: #21031 (+206)
20M → 21M
11:23 | 11:23/mi
35K· 21.75 mi
3:45:22
Rank: #20944 (+87)
21M → 35K
7:49 | 10:27/mi
23M
3:59:41
Rank: #20847 (+97)
35K → 23M
14:19 | 11:26/mi
24M
4:11:10
Rank: #20823 (+24)
23M → 24M
11:29 | 11:29/mi
40K· 24.85 mi
4:20:45
Rank: #20745 (+78)
24M → 40K
9:35 | 11:13/mi
25.2M
4:25:07
Rank: #20703 (+42)
40K → 25.2M
4:22 | 12:40/mi
Finish· 26.22 mi
4:36:04
Rank: #20686 (+17)
25.2M → Finish
10:57 | 10:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:12
Pace10:00 /mi
2nd Half
Distance13.11 mi
Time2:24:52
Pace11:03 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1330:109:4330:10
9:43
-
10K
6.21 mi11:55:481:00:459:4730:35
9:51
+0:08
15K
9.32 mi12:26:591:31:569:5231:11
10:02
+0:11
20K
12.43 mi12:59:142:04:1110:0032:15
10:23
+0:21
Half
13.11 mi13:06:152:11:1210:007:01
10:17
-0:06
25K
15.53 mi13:32:242:37:2110:0826:09
10:47
+0:30
30K
18.64 mi14:06:263:11:2310:1634:02
10:57
+0:10
20M
20.00 mi14:21:133:26:1010:1814:47
10:53
-0:04
21M
21.00 mi14:32:363:37:3310:2211:23
11:23
+0:30
35K
21.75 mi14:40:253:45:2210:227:49
10:27
-0:56
23M
23.00 mi14:54:443:59:4110:2514:19
11:26
+0:59
24M
24.00 mi15:06:134:11:1010:2811:29
11:29
+0:03
40K
24.85 mi15:15:484:20:4510:299:35
11:13
-0:16
25.2M
25.20 mi15:20:104:25:0710:314:22
12:40
+1:27
Finish
26.22 mi15:31:074:36:0410:3210:57
10:45
-1:55

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

9:43 /mi

Average Pace

10:32 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:12

48% of race

Time at Steady Pace

1:33:44

34% of race

Time at Slower Pace

51:08

19% of race

Average Pace: 10:32 /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 mi11:25:1330:109:4330:10
9:43
#22303
10K
6.21 mi11:55:481:00:459:4730:35
9:51
#22263
15K
9.32 mi12:26:591:31:569:5231:11
10:02
#22171
20K
12.43 mi12:59:142:04:1110:0032:15
10:23
#21944
Half
13.11 mi13:06:152:11:1210:007:01
10:17
#21950
25K
15.53 mi13:32:242:37:2110:0826:09
10:47
#21808
30K
18.64 mi14:06:263:11:2310:1634:02
10:57
#21413
20M
20.00 mi14:21:133:26:1010:1814:47
10:53
#21237
21M
21.00 mi14:32:363:37:3310:2211:23
11:23
#21031
35K
21.75 mi14:40:253:45:2210:227:49
10:27
#20944
23M
23.00 mi14:54:443:59:4110:2514:19
11:26
#20847
24M
24.00 mi15:06:134:11:1010:2811:29
11:29
#20823
40K
24.85 mi15:15:484:20:4510:299:35
11:13
#20745
25.2M
25.20 mi15:20:104:25:0710:314:22
12:40
#20703
Finish
26.22 mi15:31:074:36:0410:3210:57
10:45
#20686
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi223039056905622024(Top 86%)8891(Top 81%)8891(Top 1015%)
10K6.21 mi3.10 mi22263+409033+239033+2322207(Top 87%)9017(Top 83%)9017(Top 1029%)
15K9.32 mi3.11 mi22171+928987+468987+4622024(Top 86%)8891(Top 81%)8891(Top 1015%)
20K12.43 mi3.11 mi21944+2278871+1168871+11621422(Top 84%)8590(Top 79%)8590(Top 981%)
Half13.11 mi0.68 mi21950-68882-118882-1122225(Top 87%)9071(Top 83%)9071(Top 1036%)
25K15.53 mi2.42 mi21808+1428824+588824+5821053(Top 82%)8496(Top 78%)8496(Top 970%)
30K18.64 mi3.11 mi21413+3958655+1698655+16919899(Top 78%)8063(Top 74%)8063(Top 920%)
20M20.00 mi1.36 mi21237+1768587+688587+6818998(Top 74%)7713(Top 71%)7713(Top 880%)
21M21.00 mi1.00 mi21031+2068505+828505+8217381(Top 68%)7038(Top 64%)7038(Top 803%)
35K21.75 mi0.75 mi20944+878470+358470+3518467(Top 72%)7576(Top 69%)7576(Top 865%)
23M23.00 mi1.25 mi20847+978458+128458+1219498(Top 76%)8145(Top 75%)8145(Top 930%)
24M24.00 mi1.00 mi20823+248459-18459-120397(Top 80%)8635(Top 79%)8635(Top 986%)
40K24.85 mi0.85 mi20745+788433+268433+2618643(Top 73%)7830(Top 72%)7830(Top 894%)
25.2M25.20 mi0.35 mi20703+428413+208413+2018968(Top 74%)7998(Top 73%)7998(Top 913%)
Finish26.22 mi1.02 mi20686+178425-128425-1220691(Top 81%)8820(Top 81%)8820(Top 1007%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22024

Females

8891

F55-59

8891

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

22207

Females

9017

F55-59

9017

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22024

Females

8891

F55-59

8891

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

21422

Females

8590

F55-59

8590

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

22225

Females

9071

F55-59

9071

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21053

Females

8496

F55-59

8496

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

19899

Females

8063

F55-59

8063

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

18998

Females

7713

F55-59

7713

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

17381

Females

7038

F55-59

7038

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

18467

Females

7576

F55-59

7576

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

19498

Females

8145

F55-59

8145

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

20397

Females

8635

F55-59

8635

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

18643

Females

7830

F55-59

7830

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

18968

Females

7998

F55-59

7998

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

20691

Females

8820

F55-59

8820

Passing Analysis

Category:
Athletes Passed
2292
Passed By
675
Net Change
+1617
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22303
5K → 10K227187+40#22303#22263
10K → 15K221129+92#22263#22171
15K → 20K29366+227#22171#21944
20K → Half2228-6#21944#21950
Half → 25K21068+142#21950#21808
25K → 30K42631+395#21808#21413
30K → 20M18812+176#21413#21237
20M → 21M2137+206#21237#21031
21M → 35K9710+87#21031#20944
35K → 23M12831+97#20944#20847
23M → 24M6642+24#20847#20823
24M → 40K9214+78#20823#20745
40K → 25.2M475+42#20745#20703
25.2M → Finish6245+17#20703#20686
TOTALS2292675+1617
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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