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BOSTON MARATHON 2024

Bibo Gao

Bib: 5399•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 21%
Gender (Female)
#0 / 10924
Top 7%
Masters (Masters Women)
#0 / 6263
Top 2%
Division (F45-49)
#0 / 1753
Top 2%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:32
Rank: #6614
Start → 5K
21:32 | 6:56/mi
10K· 6.21 mi
43:04
Rank: #6383 (+231)
5K → 10K
21:32 | 6:56/mi
15K· 9.32 mi
1:05:08
Rank: #6531 (-148)
10K → 15K
22:04 | 7:06/mi
20K· 12.43 mi
1:28:03
Rank: #6701 (-170)
15K → 20K
22:55 | 7:23/mi
Half· 13.11 mi
1:33:00
Rank: #6714 (-13)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:51:09
Rank: #6675 (+39)
Half → 25K
18:09 | 7:29/mi
30K· 18.64 mi
2:15:12
Rank: #6495 (+180)
25K → 30K
24:03 | 7:44/mi
20M
2:25:48
Rank: #6350 (+145)
30K → 20M
10:36 | 7:48/mi
21M
2:34:02
Rank: #6177 (+173)
20M → 21M
8:14 | 8:14/mi
35K· 21.75 mi
2:39:36
Rank: #6061 (+116)
21M → 35K
5:34 | 7:26/mi
23M
2:49:22
Rank: #5885 (+176)
35K → 23M
9:46 | 7:48/mi
24M
2:56:56
Rank: #5747 (+138)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
3:03:29
Rank: #5597 (+150)
24M → 40K
6:33 | 7:40/mi
25.2M
3:06:23
Rank: #5532 (+65)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:14:06
Rank: #5480 (+52)
25.2M → Finish
7:43 | 7:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:00
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:41:06
Pace7:43 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:5121:326:5621:32
6:56
-
10K
6.21 mi10:48:2343:046:5621:32
6:56
0:00
15K
9.32 mi11:10:271:05:086:5922:04
7:06
+0:10
20K
12.43 mi11:33:221:28:037:0522:55
7:23
+0:17
Half
13.11 mi11:38:191:33:007:064:57
7:15
-0:08
25K
15.53 mi11:56:281:51:097:0918:09
7:29
+0:14
30K
18.64 mi12:20:312:15:127:1524:03
7:44
+0:15
20M
20.00 mi12:31:072:25:487:1710:36
7:48
+0:04
21M
21.00 mi12:39:212:34:027:208:14
8:14
+0:26
35K
21.75 mi12:44:552:39:367:205:34
7:26
-0:48
23M
23.00 mi12:54:412:49:227:229:46
7:48
+0:22
24M
24.00 mi13:02:152:56:567:227:34
7:34
-0:14
40K
24.85 mi13:08:483:03:297:236:33
7:40
+0:06
25.2M
25.20 mi13:11:423:06:237:242:54
8:25
+0:45
Finish
26.22 mi13:19:253:14:067:257:43
7:34
-0:51

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

6:56 /mi

Average Pace

7:25 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:05

36% of race

Time at Steady Pace

1:32:31

48% of race

Time at Slower Pace

31:30

16% of race

Average Pace: 7:24 /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 mi10:26:5121:326:5621:32
6:56
#6614
10K
6.21 mi10:48:2343:046:5621:32
6:56
#6383
15K
9.32 mi11:10:271:05:086:5922:04
7:06
#6531
20K
12.43 mi11:33:221:28:037:0522:55
7:23
#6701
Half
13.11 mi11:38:191:33:007:064:57
7:15
#6714
25K
15.53 mi11:56:281:51:097:0918:09
7:29
#6675
30K
18.64 mi12:20:312:15:127:1524:03
7:44
#6495
20M
20.00 mi12:31:072:25:487:1710:36
7:48
#6350
21M
21.00 mi12:39:212:34:027:208:14
8:14
#6177
35K
21.75 mi12:44:552:39:367:205:34
7:26
#6061
23M
23.00 mi12:54:412:49:227:229:46
7:48
#5885
24M
24.00 mi13:02:152:56:567:227:34
7:34
#5747
40K
24.85 mi13:08:483:03:297:236:33
7:40
#5597
25.2M
25.20 mi13:11:423:06:237:242:54
8:25
#5532
Finish
26.22 mi13:19:253:14:067:257:43
7:34
#5480
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi66147117116818(Top 27%)858(Top 8%)858(Top 49%)
10K6.21 mi3.10 mi6383+231667+44667+446232(Top 24%)641(Top 6%)641(Top 37%)
15K9.32 mi3.11 mi6531-148727-60727-606818(Top 27%)858(Top 8%)858(Top 49%)
20K12.43 mi3.11 mi6701-170791-64791-647468(Top 29%)1169(Top 11%)1169(Top 67%)
Half13.11 mi0.68 mi6714-137917917375(Top 29%)1110(Top 10%)1110(Top 63%)
25K15.53 mi2.42 mi6675+39825-34825-346893(Top 27%)1125(Top 10%)1125(Top 64%)
30K18.64 mi3.11 mi6495+180827-2827-26374(Top 25%)1108(Top 10%)1108(Top 63%)
20M20.00 mi1.36 mi6350+145823+4823+45718(Top 22%)1019(Top 9%)1019(Top 58%)
21M21.00 mi1.00 mi6177+173808+15808+155074(Top 20%)912(Top 8%)912(Top 52%)
35K21.75 mi0.75 mi6061+116793+15793+154817(Top 19%)815(Top 7%)815(Top 46%)
23M23.00 mi1.25 mi5885+176779+14779+144812(Top 19%)929(Top 9%)929(Top 53%)
24M24.00 mi1.00 mi5747+138763+16763+164416(Top 17%)843(Top 8%)843(Top 48%)
40K24.85 mi0.85 mi5597+150752+11752+114186(Top 16%)847(Top 8%)847(Top 48%)
25.2M25.20 mi0.35 mi5532+65749+3749+34131(Top 16%)868(Top 8%)868(Top 50%)
Finish26.22 mi1.02 mi5480+52759-10759-106022(Top 24%)1659(Top 15%)1659(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

6818

Females

858

F45-49

858

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6232

Females

641

F45-49

641

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

6818

Females

858

F45-49

858

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7468

Females

1169

F45-49

1169

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7375

Females

1110

F45-49

1110

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

6893

Females

1125

F45-49

1125

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6374

Females

1108

F45-49

1108

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5718

Females

1019

F45-49

1019

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5074

Females

912

F45-49

912

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

4817

Females

815

F45-49

815

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

4812

Females

929

F45-49

929

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4416

Females

843

F45-49

843

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4186

Females

847

F45-49

847

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4131

Females

868

F45-49

868

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6022

Females

1659

F45-49

1659

Passing Analysis

Category:
Athletes Passed
2233
Passed By
1099
Net Change
+1134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6614
5K → 10K32392+231#6614#6383
10K → 15K97245-148#6383#6531
15K → 20K119289-170#6531#6701
20K → Half1932-13#6701#6714
Half → 25K177138+39#6714#6675
25K → 30K294114+180#6675#6495
30K → 20M19247+145#6495#6350
20M → 21M19724+173#6350#6177
21M → 35K12913+116#6177#6061
35K → 23M20529+176#6061#5885
23M → 24M14911+138#5885#5747
24M → 40K16313+150#5747#5597
40K → 25.2M7510+65#5597#5532
25.2M → Finish9442+52#5532#5480
TOTALS22331099+1134
📊

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