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BOSTON MARATHON 2024

Chao Gao

Bib: 5775•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 27%
Gender (Female)
#0 / 10924
Top 11%
Division (F18-39)
#0 / 4660
Top 21%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:13
Rank: #5898
Start → 5K
21:13 | 6:50/mi
10K· 6.21 mi
43:49
Rank: #7154 (-1256)
5K → 10K
22:36 | 7:16/mi
15K· 9.32 mi
1:07:23
Rank: #8070 (-916)
10K → 15K
23:34 | 7:35/mi
20K· 12.43 mi
1:31:55
Rank: #8828 (-758)
15K → 20K
24:32 | 7:54/mi
Half· 13.11 mi
1:37:00
Rank: #8827 (+1)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:55:30
Rank: #8599 (+228)
Half → 25K
18:30 | 7:38/mi
30K· 18.64 mi
2:19:59
Rank: #8220 (+379)
25K → 30K
24:29 | 7:53/mi
20M
2:30:47
Rank: #8012 (+208)
30K → 20M
10:48 | 7:57/mi
21M
2:39:23
Rank: #7835 (+177)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:45:05
Rank: #7696 (+139)
21M → 35K
5:42 | 7:37/mi
23M
2:55:13
Rank: #7498 (+198)
35K → 23M
10:08 | 8:06/mi
24M
3:03:05
Rank: #7353 (+145)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:09:41
Rank: #7168 (+185)
24M → 40K
6:36 | 7:43/mi
25.2M
3:12:38
Rank: #7084 (+84)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:19:49
Rank: #6849 (+235)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:00
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:42:49
Pace7:51 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1221:136:5021:13
6:50
-
10K
6.21 mi10:47:4843:497:0322:36
7:16
+0:26
15K
9.32 mi11:11:221:07:237:1423:34
7:35
+0:19
20K
12.43 mi11:35:541:31:557:2424:32
7:54
+0:19
Half
13.11 mi11:40:591:37:007:245:05
7:27
-0:27
25K
15.53 mi11:59:291:55:307:2618:30
7:38
+0:11
30K
18.64 mi12:23:582:19:597:3124:29
7:53
+0:15
20M
20.00 mi12:34:462:30:477:3210:48
7:57
+0:04
21M
21.00 mi12:43:222:39:237:358:36
8:36
+0:39
35K
21.75 mi12:49:042:45:057:355:42
7:37
-0:59
23M
23.00 mi12:59:122:55:137:3710:08
8:06
+0:29
24M
24.00 mi13:07:043:03:057:387:52
7:52
-0:14
40K
24.85 mi13:13:403:09:417:386:36
7:43
-0:09
25.2M
25.20 mi13:16:373:12:387:392:57
8:33
+0:50
Finish
26.22 mi13:23:483:19:497:387:11
7:03
-1:30

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

6:50 /mi

Average Pace

7:38 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:05

28% of race

Time at Steady Pace

2:02:03

61% of race

Time at Slower Pace

21:41

11% of race

Average Pace: 7:37 /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 mi10:25:1221:136:5021:13
6:50
#5898
10K
6.21 mi10:47:4843:497:0322:36
7:16
#7154
15K
9.32 mi11:11:221:07:237:1423:34
7:35
#8070
20K
12.43 mi11:35:541:31:557:2424:32
7:54
#8828
Half
13.11 mi11:40:591:37:007:245:05
7:27
#8827
25K
15.53 mi11:59:291:55:307:2618:30
7:38
#8599
30K
18.64 mi12:23:582:19:597:3124:29
7:53
#8220
20M
20.00 mi12:34:462:30:477:3210:48
7:57
#8012
21M
21.00 mi12:43:222:39:237:358:36
8:36
#7835
35K
21.75 mi12:49:042:45:057:355:42
7:37
#7696
23M
23.00 mi12:59:122:55:137:3710:08
8:06
#7498
24M
24.00 mi13:07:043:03:057:387:52
7:52
#7353
40K
24.85 mi13:13:403:09:417:386:36
7:43
#7168
25.2M
25.20 mi13:16:373:12:387:392:57
8:33
#7084
Finish
26.22 mi13:23:483:19:497:387:11
7:03
#6849
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi589852552510326(Top 40%)2339(Top 21%)2339(Top 50%)
10K6.21 mi3.10 mi7154-1256889-364889-3648475(Top 33%)1426(Top 13%)1426(Top 31%)
15K9.32 mi3.11 mi8070-9161255-3661255-36610326(Top 40%)2339(Top 21%)2339(Top 50%)
20K12.43 mi3.11 mi8828-7581589-3341589-33411107(Top 43%)2864(Top 26%)2864(Top 61%)
Half13.11 mi0.68 mi8827+11596-71596-78768(Top 34%)1689(Top 15%)1689(Top 36%)
25K15.53 mi2.42 mi8599+2281542+541542+547834(Top 31%)1486(Top 14%)1486(Top 32%)
30K18.64 mi3.11 mi8220+3791483+591483+597181(Top 28%)1433(Top 13%)1433(Top 31%)
20M20.00 mi1.36 mi8012+2081446+371446+376475(Top 25%)1318(Top 12%)1318(Top 28%)
21M21.00 mi1.00 mi7835+1771417+291417+296714(Top 26%)1584(Top 15%)1584(Top 34%)
35K21.75 mi0.75 mi7696+1391386+311386+315705(Top 22%)1177(Top 11%)1177(Top 25%)
23M23.00 mi1.25 mi7498+1981356+301356+306244(Top 24%)1554(Top 14%)1554(Top 33%)
24M24.00 mi1.00 mi7353+1451346+101346+105925(Top 23%)1488(Top 14%)1488(Top 32%)
40K24.85 mi0.85 mi7168+1851316+301316+304455(Top 17%)964(Top 9%)964(Top 21%)
25.2M25.20 mi0.35 mi7084+841299+171299+174727(Top 19%)1127(Top 10%)1127(Top 24%)
Finish26.22 mi1.02 mi6849+2351242+571242+573380(Top 13%)589(Top 5%)589(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10326

Females

2339

F18-39

2339

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8475

Females

1426

F18-39

1426

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10326

Females

2339

F18-39

2339

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11107

Females

2864

F18-39

2864

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

8768

Females

1689

F18-39

1689

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

7834

Females

1486

F18-39

1486

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7181

Females

1433

F18-39

1433

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6475

Females

1318

F18-39

1318

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6714

Females

1584

F18-39

1584

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5705

Females

1177

F18-39

1177

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6244

Females

1554

F18-39

1554

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

5925

Females

1488

F18-39

1488

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4455

Females

964

F18-39

964

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4727

Females

1127

F18-39

1127

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3380

Females

589

F18-39

589

Passing Analysis

Category:
Athletes Passed
2427
Passed By
3378
Net Change
-951
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5898
5K → 10K161272-1256#5898#7154
10K → 15K29945-916#7154#8070
15K → 20K52810-758#8070#8828
20K → Half3534+1#8828#8827
Half → 25K30476+228#8827#8599
25K → 30K47394+379#8599#8220
30K → 20M23628+208#8220#8012
20M → 21M21235+177#8012#7835
21M → 35K15011+139#7835#7696
35K → 23M23436+198#7696#7498
23M → 24M17227+145#7498#7353
24M → 40K1927+185#7353#7168
40K → 25.2M862+84#7168#7084
25.2M → Finish2361+235#7084#6849
TOTALS24273378-951
📊

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