Boston Marathon logo
BOSTON MARATHON 2024

Qiongqiong Zhang

Bib: 18793•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 45%
Gender (Female)
#0 / 10924
Top 32%
Masters (Masters Women)
#0 / 6263
Top 19%
Division (F45-49)
#0 / 1753
Top 23%
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
7:53/mi
24:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
48:54
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:13:57
↑ 67↓ 78
20K· 12.43 mi
8:33/mi
1:40:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:46:01
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:06:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:42/mi
2:33:16
↑ 181↓ 1480.2%
20M
8:48/mi
2:45:14
↑ 64↓ 500.2%
21M
9:28/mi
2:54:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
3:00:52
↑ 17↓ 861.7%
23M
8:32/mi
3:11:33
↑ 23↓ 630.6%
24M
8:02/mi
3:19:35
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:26:48
↓ 200.3%
25.2M
9:23/mi
3:30:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:38:14
↑ 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
Time1:46:01
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:52:13
Pace8:34 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0424:307:5324:30
7:53
-
10K
6.21 mi11:41:2848:547:5224:24
7:51
-0:02
15K
9.32 mi12:06:311:13:577:5625:03
8:04
+0:13
20K
12.43 mi12:33:061:40:328:0526:35
8:33
+0:29
Half
13.11 mi12:38:351:46:018:055:29
8:02
-0:31
25K
15.53 mi12:58:472:06:138:0820:12
8:20
+0:18
30K
18.64 mi13:25:502:33:168:1327:03
8:42
+0:22
20M
20.00 mi13:37:482:45:148:1611:58
8:48
+0:06
21M
21.00 mi13:47:162:54:428:199:28
9:28
+0:40
35K
21.75 mi13:53:263:00:528:196:10
8:15
-1:13
23M
23.00 mi14:04:073:11:338:2010:41
8:32
+0:17
24M
24.00 mi14:12:093:19:358:198:02
8:02
-0:30
40K
24.85 mi14:19:223:26:488:197:13
8:26
+0:24
25.2M
25.20 mi14:22:363:30:028:203:14
9:23
+0:57
Finish
26.22 mi14:30:483:38:148:208:12
8:03
-1:20

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

7:51 /mi

Average Pace

8:20 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:40

44% of race

Time at Steady Pace

1:10:51

32% of race

Time at Slower Pace

51:43

24% of race

Average Pace: 8:19 /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 mi11:17:0424:307:5324:30
7:53
#13782
10K
6.21 mi11:41:2848:547:5224:24
7:51
#13386
15K
9.32 mi12:06:311:13:577:5625:03
8:04
#13579
20K
12.43 mi12:33:061:40:328:0526:35
8:33
#14002
Half
13.11 mi12:38:351:46:018:055:29
8:02
#13934
25K
15.53 mi12:58:472:06:138:0820:12
8:20
#13593
30K
18.64 mi13:25:502:33:168:1327:03
8:42
#13108
20M
20.00 mi13:37:482:45:148:1611:58
8:48
#12887
21M
21.00 mi13:47:162:54:428:199:28
9:28
#12724
35K
21.75 mi13:53:263:00:528:196:10
8:15
#12561
23M
23.00 mi14:04:073:11:338:2010:41
8:32
#12268
24M
24.00 mi14:12:093:19:358:198:02
8:02
#12010
40K
24.85 mi14:19:223:26:488:197:13
8:26
#11806
25.2M
25.20 mi14:22:363:30:028:203:14
9:23
#11717
Finish
26.22 mi14:30:483:38:148:208:12
8:03
#11546
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi137824166416613869(Top 54%)4281(Top 39%)4281(Top 244%)
10K6.21 mi3.10 mi13386+3963958+2083958+20813105(Top 51%)3825(Top 35%)3825(Top 218%)
15K9.32 mi3.11 mi13579-1934105-1474105-14713869(Top 54%)4281(Top 39%)4281(Top 244%)
20K12.43 mi3.11 mi14002-4234363-2584363-25815110(Top 59%)5070(Top 46%)5070(Top 289%)
Half13.11 mi0.68 mi13934+684323+404323+4013030(Top 51%)3898(Top 36%)3898(Top 222%)
25K15.53 mi2.42 mi13593+3414148+1754148+17512161(Top 48%)3601(Top 33%)3601(Top 205%)
30K18.64 mi3.11 mi13108+4853978+1703978+17011725(Top 46%)3591(Top 33%)3591(Top 205%)
20M20.00 mi1.36 mi12887+2213910+683910+6811127(Top 44%)3544(Top 32%)3544(Top 202%)
21M21.00 mi1.00 mi12724+1633873+373873+3710712(Top 42%)3585(Top 33%)3585(Top 205%)
35K21.75 mi0.75 mi12561+1633814+593814+599269(Top 36%)2855(Top 26%)2855(Top 163%)
23M23.00 mi1.25 mi12268+2933725+893725+898673(Top 34%)2716(Top 25%)2716(Top 155%)
24M24.00 mi1.00 mi12010+2583625+1003625+1006856(Top 27%)1944(Top 18%)1944(Top 111%)
40K24.85 mi0.85 mi11806+2043566+593566+598081(Top 32%)2636(Top 24%)2636(Top 150%)
25.2M25.20 mi0.35 mi11717+893537+293537+298297(Top 32%)2810(Top 26%)2810(Top 160%)
Finish26.22 mi1.02 mi11546+1713487+503487+508848(Top 35%)2989(Top 27%)2989(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

13869

Females

4281

F45-49

4281

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13105

Females

3825

F45-49

3825

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

13869

Females

4281

F45-49

4281

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15110

Females

5070

F45-49

5070

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13030

Females

3898

F45-49

3898

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12161

Females

3601

F45-49

3601

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

11725

Females

3591

F45-49

3591

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11127

Females

3544

F45-49

3544

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

10712

Females

3585

F45-49

3585

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9269

Females

2855

F45-49

2855

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8673

Females

2716

F45-49

2716

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

6856

Females

1944

F45-49

1944

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8081

Females

2636

F45-49

2636

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8297

Females

2810

F45-49

2810

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

8848

Females

2989

F45-49

2989

Passing Analysis

Category:
Athletes Passed
3566
Passed By
1330
Net Change
+2236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13782
5K → 10K545149+396#13782#13386
10K → 15K151344-193#13386#13579
15K → 20K142565-423#13579#14002
20K → Half8214+68#14002#13934
Half → 25K39049+341#13934#13593
25K → 30K55873+485#13593#13108
30K → 20M25534+221#13108#12887
20M → 21M21350+163#12887#12724
21M → 35K1718+163#12724#12561
35K → 23M3029+293#12561#12268
23M → 24M2602+258#12268#12010
24M → 40K21814+204#12010#11806
40K → 25.2M967+89#11806#11717
25.2M → Finish18312+171#11717#11546
TOTALS35661330+2236
📊

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