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BOSTON MARATHON 2024

Mavis Zeng

Bib: 11754•F

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 23%
Division (F18-39)
#0 / 4660
Top 38%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:48
Rank: #9493
Start → 5K
7:20/mi
22:48 split
10K· 6.21 mi
45:39
Rank: #9253 (+240)
5K → 10K
7:21/mi
22:51 split
15K· 9.32 mi
1:08:39
Rank: #9078 (+175)
10K → 15K
7:24/mi
23:00 split
20K· 12.43 mi
1:32:32
Rank: #9225 (-147)
15K → 20K
7:41/mi
23:53 split
Half· 13.11 mi
1:37:46
Rank: #9273 (-48)
20K → Half
7:40/mi
5:14 split
25K· 15.53 mi
1:57:41
Rank: #9627 (-354)
Half → 25K
8:13/mi
19:55 split
30K· 18.64 mi
2:24:18
Rank: #9833 (-206)
25K → 30K
8:34/mi
26:37 split
20M
2:36:04
Rank: #9813 (+20)
30K → 20M
8:40/mi
11:46 split
21M
2:45:46
Rank: #9888 (-75)
20M → 21M
9:42/mi
9:42 split
35K· 21.75 mi
2:52:12
Rank: #9925 (-37)
21M → 35K
8:36/mi
6:26 split
23M
3:02:59
Rank: #9815 (+110)
35K → 23M
8:37/mi
10:47 split
24M
3:11:28
Rank: #9765 (+50)
23M → 24M
8:29/mi
8:29 split
40K· 24.85 mi
3:18:58
Rank: #9747 (+18)
24M → 40K
8:46/mi
7:30 split
25.2M
3:22:21
Rank: #9749 (-2)
40K → 25.2M
9:49/mi
3:23 split
Finish· 26.22 mi
3:30:13
Rank: #9621 (+128)
25.2M → Finish
7:43/mi
7:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:46
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:52:27
Pace8:35 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0622:487:2022:48
7:20
-
10K
6.21 mi11:12:5745:397:2122:51
7:21
+0:01
15K
9.32 mi11:35:571:08:397:2223:00
7:24
+0:03
20K
12.43 mi11:59:501:32:327:2723:53
7:41
+0:17
Half
13.11 mi12:05:041:37:467:275:14
7:40
-0:01
25K
15.53 mi12:24:591:57:417:3519:55
8:13
+0:33
30K
18.64 mi12:51:362:24:187:4426:37
8:34
+0:21
20M
20.00 mi13:03:222:36:047:4811:46
8:40
+0:06
21M
21.00 mi13:13:042:45:467:549:42
9:42
+1:02
35K
21.75 mi13:19:302:52:127:556:26
8:36
-1:06
23M
23.00 mi13:30:173:02:597:5710:47
8:37
+0:01
24M
24.00 mi13:38:463:11:287:598:29
8:29
-0:08
40K
24.85 mi13:46:163:18:588:007:30
8:46
+0:17
25.2M
25.20 mi13:49:393:22:218:023:23
9:49
+1:03
Finish
26.22 mi13:57:313:30:138:017:52
7:43
-2:06

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

7:20 /mi

Average Pace

8:01 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:38

50% of race

Time at Steady Pace

1:31:30

44% of race

Time at Slower Pace

13:05

6% of race

Average Pace: 8:01 /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 mi10:50:0622:487:2022:48
7:20
#9493
10K
6.21 mi11:12:5745:397:2122:51
7:21
#9253
15K
9.32 mi11:35:571:08:397:2223:00
7:24
#9078
20K
12.43 mi11:59:501:32:327:2723:53
7:41
#9225
Half
13.11 mi12:05:041:37:467:275:14
7:40
#9273
25K
15.53 mi12:24:591:57:417:3519:55
8:13
#9627
30K
18.64 mi12:51:362:24:187:4426:37
8:34
#9833
20M
20.00 mi13:03:222:36:047:4811:46
8:40
#9813
21M
21.00 mi13:13:042:45:467:549:42
9:42
#9888
35K
21.75 mi13:19:302:52:127:556:26
8:36
#9925
23M
23.00 mi13:30:173:02:597:5710:47
8:37
#9815
24M
24.00 mi13:38:463:11:287:598:29
8:29
#9765
40K
24.85 mi13:46:163:18:588:007:30
8:46
#9747
25.2M
25.20 mi13:49:393:22:218:023:23
9:49
#9749
Finish
26.22 mi13:57:313:30:138:017:52
7:43
#9621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9493179317938925(Top 35%)1664(Top 15%)1664(Top 36%)
10K6.21 mi3.10 mi9253+2401731+621731+629111(Top 36%)1696(Top 16%)1696(Top 36%)
15K9.32 mi3.11 mi9078+1751661+701661+708925(Top 35%)1664(Top 15%)1664(Top 36%)
20K12.43 mi3.11 mi9225-1471777-1161777-1169677(Top 38%)2164(Top 20%)2164(Top 46%)
Half13.11 mi0.68 mi9273-481795-181795-1810425(Top 41%)2515(Top 23%)2515(Top 54%)
25K15.53 mi2.42 mi9627-3542028-2332028-23311458(Top 45%)3209(Top 29%)3209(Top 69%)
30K18.64 mi3.11 mi9833-2062230-2022230-20210989(Top 43%)3172(Top 29%)3172(Top 68%)
20M20.00 mi1.36 mi9813+202283-532283-5310317(Top 40%)3103(Top 28%)3103(Top 67%)
21M21.00 mi1.00 mi9888-752376-932376-9311705(Top 46%)4106(Top 38%)4106(Top 88%)
35K21.75 mi0.75 mi9925-372431-552431-5511311(Top 44%)3915(Top 36%)3915(Top 84%)
23M23.00 mi1.25 mi9815+1102442-112442-119082(Top 36%)2914(Top 27%)2914(Top 63%)
24M24.00 mi1.00 mi9765+502463-212463-219369(Top 37%)3116(Top 29%)3116(Top 67%)
40K24.85 mi0.85 mi9747+182487-242487-249742(Top 38%)3436(Top 31%)3436(Top 74%)
25.2M25.20 mi0.35 mi9749-22506-192506-1910156(Top 40%)3686(Top 34%)3686(Top 79%)
Finish26.22 mi1.02 mi9621+1282474+322474+326886(Top 27%)2064(Top 19%)2064(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

8925

Females

1664

F18-39

1664

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9111

Females

1696

F18-39

1696

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

8925

Females

1664

F18-39

1664

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

9677

Females

2164

F18-39

2164

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10425

Females

2515

F18-39

2515

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11458

Females

3209

F18-39

3209

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

10989

Females

3172

F18-39

3172

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10317

Females

3103

F18-39

3103

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

11705

Females

4106

F18-39

4106

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11311

Females

3915

F18-39

3915

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9082

Females

2914

F18-39

2914

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9369

Females

3116

F18-39

3116

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

9742

Females

3436

F18-39

3436

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10156

Females

3686

F18-39

3686

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

6886

Females

2064

F18-39

2064

Passing Analysis

Category:
Athletes Passed
2043*
Passed By
2167
Net Change
-128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9493
5K → 10K370130+240#9493#9253
10K → 15K26186+175#9253#9078
15K → 20K160307-147#9078#9225
20K → Half2270-48#9225#9273
Half → 25K119472-354#9273#9627
25K → 30K197402-206#9627#9833
30K → 20M159138+20#9833#9813
20M → 21M104178-75#9813#9888
21M → 35K66103-37#9888#9925
35K → 23M18979+110#9925#9815
23M → 24M126*76+50#9815#9765
24M → 40K8163+18#9765#9747
40K → 25.2M4345-2#9747#9749
25.2M → Finish14618+128#9749#9621
TOTALS2043*2167-128

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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