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BOSTON MARATHON 2024

Feifei Xing

Bib: 12341•F

NY

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 48%
Gender (Female)
#0 / 10924
Top 35%
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:12
Rank: #13026
Start → 5K
24:12 | 7:47/mi
10K· 6.21 mi
48:22
Rank: #12747 (+279)
5K → 10K
24:10 | 7:47/mi
15K· 9.32 mi
1:12:57
Rank: #12751 (-4)
10K → 15K
24:35 | 7:55/mi
20K· 12.43 mi
1:38:23
Rank: #12761 (-10)
15K → 20K
25:26 | 8:11/mi
Half· 13.11 mi
1:43:52
Rank: #12779 (-18)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:04:08
Rank: #12626 (+153)
Half → 25K
20:16 | 8:22/mi
30K· 18.64 mi
2:31:23
Rank: #12476 (+150)
25K → 30K
27:15 | 8:46/mi
20M
2:43:32
Rank: #12381 (+95)
30K → 20M
12:09 | 8:56/mi
21M
2:53:13
Rank: #12293 (+88)
20M → 21M
9:41 | 9:41/mi
35K· 21.75 mi
3:00:05
Rank: #12350 (-57)
21M → 35K
6:52 | 9:11/mi
23M
3:11:53
Rank: #12371 (-21)
35K → 23M
11:48 | 9:25/mi
24M
3:20:56
Rank: #12328 (+43)
23M → 24M
9:03 | 9:03/mi
40K· 24.85 mi
3:28:44
Rank: #12265 (+63)
24M → 40K
7:48 | 9:07/mi
25.2M
3:32:11
Rank: #12232 (+33)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:40:49
Rank: #12163 (+69)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:52
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:56:57
Pace8:55 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5424:127:4724:12
7:47
-
10K
6.21 mi11:17:0448:227:4724:10
7:47
0:00
15K
9.32 mi11:41:391:12:577:5024:35
7:55
+0:08
20K
12.43 mi12:07:051:38:237:5525:26
8:11
+0:16
Half
13.11 mi12:12:341:43:527:555:29
8:02
-0:09
25K
15.53 mi12:32:502:04:087:5920:16
8:22
+0:20
30K
18.64 mi13:00:052:31:238:0727:15
8:46
+0:24
20M
20.00 mi13:12:142:43:328:1112:09
8:56
+0:10
21M
21.00 mi13:21:552:53:138:159:41
9:41
+0:45
35K
21.75 mi13:28:473:00:058:176:52
9:11
-0:30
23M
23.00 mi13:40:353:11:538:2111:48
9:25
+0:14
24M
24.00 mi13:49:383:20:568:229:03
9:03
-0:22
40K
24.85 mi13:57:263:28:448:247:48
9:07
+0:04
25.2M
25.20 mi14:00:533:32:118:253:27
10:00
+0:53
Finish
26.22 mi14:09:313:40:498:268:38
8:28
-1:32

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

7:47 /mi

Average Pace

8:26 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:08

56% of race

Time at Steady Pace

57:05

26% of race

Time at Slower Pace

39:36

18% of race

Average Pace: 8:25 /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 mi10:52:5424:127:4724:12
7:47
#13026
10K
6.21 mi11:17:0448:227:4724:10
7:47
#12747
15K
9.32 mi11:41:391:12:577:5024:35
7:55
#12751
20K
12.43 mi12:07:051:38:237:5525:26
8:11
#12761
Half
13.11 mi12:12:341:43:527:555:29
8:02
#12779
25K
15.53 mi12:32:502:04:087:5920:16
8:22
#12626
30K
18.64 mi13:00:052:31:238:0727:15
8:46
#12476
20M
20.00 mi13:12:142:43:328:1112:09
8:56
#12381
21M
21.00 mi13:21:552:53:138:159:41
9:41
#12293
35K
21.75 mi13:28:473:00:058:176:52
9:11
#12350
23M
23.00 mi13:40:353:11:538:2111:48
9:25
#12371
24M
24.00 mi13:49:383:20:568:229:03
9:03
#12328
40K
24.85 mi13:57:263:28:448:247:48
9:07
#12265
25.2M
25.20 mi14:00:533:32:118:253:27
10:00
#12232
Finish
26.22 mi14:09:313:40:498:268:38
8:28
#12163
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130263740374012797(Top 50%)3683(Top 34%)3683(Top 79%)
10K6.21 mi3.10 mi12747+2793591+1493591+14912495(Top 49%)3474(Top 32%)3474(Top 75%)
15K9.32 mi3.11 mi12751-43612-213612-2112797(Top 50%)3683(Top 34%)3683(Top 79%)
20K12.43 mi3.11 mi12761-103633-213633-2113062(Top 51%)3879(Top 36%)3879(Top 83%)
Half13.11 mi0.68 mi12779-183658-253658-2513047(Top 51%)3915(Top 36%)3915(Top 84%)
25K15.53 mi2.42 mi12626+1533606+523606+5212323(Top 48%)3688(Top 34%)3688(Top 79%)
30K18.64 mi3.11 mi12476+1503614-83614-812044(Top 47%)3759(Top 34%)3759(Top 81%)
20M20.00 mi1.36 mi12381+953612+23612+211818(Top 46%)3923(Top 36%)3923(Top 84%)
21M21.00 mi1.00 mi12293+883636-243636-2411636(Top 46%)4077(Top 37%)4077(Top 87%)
35K21.75 mi0.75 mi12350-573713-773713-7714167(Top 55%)5410(Top 50%)5410(Top 116%)
23M23.00 mi1.25 mi12371-213781-683781-6813188(Top 52%)4998(Top 46%)4998(Top 107%)
24M24.00 mi1.00 mi12328+433809-283809-2812429(Top 49%)4628(Top 42%)4628(Top 99%)
40K24.85 mi0.85 mi12265+633809380911435(Top 45%)4258(Top 39%)4258(Top 91%)
25.2M25.20 mi0.35 mi12232+333815-63815-610998(Top 43%)4096(Top 37%)4096(Top 88%)
Finish26.22 mi1.02 mi12163+693801+143801+1411370(Top 45%)4157(Top 38%)4157(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

12797

Females

3683

F18-39

3683

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12495

Females

3474

F18-39

3474

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

12797

Females

3683

F18-39

3683

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13062

Females

3879

F18-39

3879

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

13047

Females

3915

F18-39

3915

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12323

Females

3688

F18-39

3688

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12044

Females

3759

F18-39

3759

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

11818

Females

3923

F18-39

3923

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

11636

Females

4077

F18-39

4077

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14167

Females

5410

F18-39

5410

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13188

Females

4998

F18-39

4998

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12429

Females

4628

F18-39

4628

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11435

Females

4258

F18-39

4258

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

10998

Females

4096

F18-39

4096

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11370

Females

4157

F18-39

4157

Passing Analysis

Category:
Athletes Passed
2559
Passed By
1696
Net Change
+863
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13026
5K → 10K433154+279#13026#12747
10K → 15K220224-4#12747#12751
15K → 20K270280-10#12751#12761
20K → Half4058-18#12761#12779
Half → 25K312159+153#12779#12626
25K → 30K361211+150#12626#12476
30K → 20M17984+95#12476#12381
20M → 21M17082+88#12381#12293
21M → 35K61118-57#12293#12350
35K → 23M124145-21#12350#12371
23M → 24M12481+43#12371#12328
24M → 40K10845+63#12328#12265
40K → 25.2M5623+33#12265#12232
25.2M → Finish10132+69#12232#12163
TOTALS25591696+863
📊

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