Boston Marathon logo
BOSTON MARATHON 2024

Hui Zheng

Bib: 17662•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 43%
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:25/mi
26:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:28/mi
52:27
↑ 79↓ 1380.4%
15K· 9.32 mi
8:37/mi
1:19:14
↑ 67↓ 78
20K· 12.43 mi
8:50/mi
1:46:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:52:33
↑ 19↓ 370.5%
25K· 15.53 mi
9:05/mi
2:14:34
↑ 66↓ 880.2%
30K· 18.64 mi
9:24/mi
2:43:47
↑ 181↓ 1480.2%
20M
9:27/mi
2:56:38
↑ 64↓ 500.2%
21M
10:10/mi
3:06:48
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:13:38
↑ 17↓ 861.7%
23M
9:29/mi
3:25:31
↑ 23↓ 630.6%
24M
9:26/mi
3:34:57
↓ 821.3%
40K· 24.85 mi
9:11/mi
3:42:48
↓ 200.3%
25.2M
10:47/mi
3:46:31
↑ 13↓ 160.2%
Finish· 26.22 mi
8:59/mi
3:55:40
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:33
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:03:07
Pace9:24 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1326:098:2526:09
8:25
-
10K
6.21 mi11:48:3152:278:2626:18
8:28
+0:03
15K
9.32 mi12:15:181:19:148:3026:47
8:37
+0:09
20K
12.43 mi12:42:441:46:408:3527:26
8:50
+0:13
Half
13.11 mi12:48:371:52:338:355:53
8:37
-0:13
25K
15.53 mi13:10:382:14:348:4022:01
9:05
+0:28
30K
18.64 mi13:39:512:43:478:4729:13
9:24
+0:19
20M
20.00 mi13:52:422:56:388:5012:51
9:27
+0:03
21M
21.00 mi14:02:523:06:488:5410:10
10:10
+0:43
35K
21.75 mi14:09:423:13:388:546:50
9:08
-1:02
23M
23.00 mi14:21:353:25:318:5611:53
9:29
+0:21
24M
24.00 mi14:31:013:34:578:579:26
9:26
-0:03
40K
24.85 mi14:38:523:42:488:587:51
9:11
-0:15
25.2M
25.20 mi14:42:353:46:318:593:43
10:47
+1:36
Finish
26.22 mi14:51:443:55:409:009:09
8:59
-1:48

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

8:25 /mi

Average Pace

9:00 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:07

36% of race

Time at Steady Pace

1:51:56

47% of race

Time at Slower Pace

38:37

16% of race

Average Pace: 8:59 /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 mi11:22:1326:098:2526:09
8:25
#17319
10K
6.21 mi11:48:3152:278:2626:18
8:28
#17163
15K
9.32 mi12:15:181:19:148:3026:47
8:37
#17094
20K
12.43 mi12:42:441:46:408:3527:26
8:50
#16899
Half
13.11 mi12:48:371:52:338:355:53
8:37
#16862
25K
15.53 mi13:10:382:14:348:4022:01
9:05
#16640
30K
18.64 mi13:39:512:43:478:4729:13
9:24
#16331
20M
20.00 mi13:52:422:56:388:5012:51
9:27
#16183
21M
21.00 mi14:02:523:06:488:5410:10
10:10
#16044
35K
21.75 mi14:09:423:13:388:546:50
9:08
#15956
23M
23.00 mi14:21:353:25:318:5611:53
9:29
#15799
24M
24.00 mi14:31:013:34:578:579:26
9:26
#15708
40K
24.85 mi14:38:523:42:488:587:51
9:11
#15550
25.2M
25.20 mi14:42:353:46:318:593:43
10:47
#15504
Finish
26.22 mi14:51:443:55:409:009:09
8:59
#15423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi173196355635517085(Top 67%)6187(Top 57%)6187(Top 384%)
10K6.21 mi3.10 mi17163+1566243+1126243+11217064(Top 67%)6162(Top 56%)6162(Top 382%)
15K9.32 mi3.11 mi17094+696208+356208+3517085(Top 67%)6187(Top 57%)6187(Top 384%)
20K12.43 mi3.11 mi16899+1956107+1016107+10116563(Top 65%)5933(Top 54%)5933(Top 368%)
Half13.11 mi0.68 mi16862+376087+206087+2016425(Top 64%)5884(Top 54%)5884(Top 365%)
25K15.53 mi2.42 mi16640+2225986+1015986+10115891(Top 62%)5654(Top 52%)5654(Top 351%)
30K18.64 mi3.11 mi16331+3095871+1155871+11515066(Top 59%)5453(Top 50%)5453(Top 338%)
20M20.00 mi1.36 mi16183+1485815+565815+5614355(Top 56%)5327(Top 49%)5327(Top 330%)
21M21.00 mi1.00 mi16044+1395776+395776+3913629(Top 53%)5118(Top 47%)5118(Top 317%)
35K21.75 mi0.75 mi15956+885751+255751+2513987(Top 55%)5323(Top 49%)5323(Top 330%)
23M23.00 mi1.25 mi15799+1575699+525699+5213491(Top 53%)5152(Top 47%)5152(Top 319%)
24M24.00 mi1.00 mi15708+915684+155684+1514205(Top 56%)5539(Top 51%)5539(Top 343%)
40K24.85 mi0.85 mi15550+1585631+535631+5311734(Top 46%)4415(Top 40%)4415(Top 274%)
25.2M25.20 mi0.35 mi15504+465621+105621+1013797(Top 54%)5458(Top 50%)5458(Top 338%)
Finish26.22 mi1.02 mi15423+815604+175604+1714118(Top 55%)5538(Top 51%)5538(Top 343%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17085

Females

6187

F40-44

6187

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17064

Females

6162

F40-44

6162

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17085

Females

6187

F40-44

6187

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

16563

Females

5933

F40-44

5933

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

16425

Females

5884

F40-44

5884

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

15891

Females

5654

F40-44

5654

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15066

Females

5453

F40-44

5453

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14355

Females

5327

F40-44

5327

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

13629

Females

5118

F40-44

5118

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

13987

Females

5323

F40-44

5323

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

13491

Females

5152

F40-44

5152

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14205

Females

5539

F40-44

5539

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

11734

Females

4415

F40-44

4415

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

13797

Females

5458

F40-44

5458

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14118

Females

5538

F40-44

5538

Passing Analysis

Category:
Athletes Passed
2899
Passed By
1003
Net Change
+1896
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17319
5K → 10K356200+156#17319#17163
10K → 15K274205+69#17163#17094
15K → 20K347152+195#17094#16899
20K → Half5316+37#16899#16862
Half → 25K325103+222#16862#16640
25K → 30K39889+309#16640#16331
30K → 20M18537+148#16331#16183
20M → 21M18445+139#16183#16044
21M → 35K10618+88#16044#15956
35K → 23M20548+157#15956#15799
23M → 24M12635+91#15799#15708
24M → 40K1646+158#15708#15550
40K → 25.2M6620+46#15550#15504
25.2M → Finish11029+81#15504#15423
TOTALS28991003+1896
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing