Boston Marathon logo
BOSTON MARATHON 2024

Qing Shi

Bib: 14316 F CN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 43%
Gender (Female)
#0 / 10924
Top 29%
Division (F18-39)
#0 / 4660
Top 46%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:09/mi
22:13
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:36/mi
45:51
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:08/mi
1:11:06
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:22/mi
1:37:06
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:05/mi
1:42:37
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:33/mi
2:03:22
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:25/mi
2:29:32
↑ 181↓ 1480.2%
138 ft elev
20M
8:51/mi
2:41:34
↑ 64↓ 500.2%
148 ft elev
21M
10:09/mi
2:51:43
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:33/mi
2:57:22
↑ 17↓ 861.7%
156 ft elev
23M
8:42/mi
3:08:16
↑ 23↓ 630.6%
116 ft elev
24M
8:43/mi
3:16:59
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:03/mi
3:23:52
↓ 200.3%
20 ft elev
25.2M
9:43/mi
3:27:13
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:34/mi
3:35:57
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:42:377:50 /mi⚡ faster
2nd Half
1:53:208:39 /mi+10.4%
Positive split — 10.4% slower in the second half
Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0922:137:0922:13
7:09
-
10K
6.21 mi11:16:4745:517:2323:38
7:36
+0:27
15K
9.32 mi11:42:021:11:067:3825:15
8:08
+0:32
20K
12.43 mi12:08:021:37:067:4926:00
8:22
+0:14
Half
13.11 mi12:13:331:42:377:505:31
8:05
-0:17
25K
15.53 mi12:34:182:03:227:5620:45
8:33
+0:28
30K
18.64 mi13:00:282:29:328:0126:10
8:25
-0:08
20M
20.00 mi13:12:302:41:348:0512:02
8:51
+0:26
21M
21.00 mi13:22:392:51:438:1110:09
10:09
+1:18
35K
21.75 mi13:28:182:57:228:095:39
7:33
-2:36
23M
23.00 mi13:39:123:08:168:1110:54
8:42
+1:09
24M
24.00 mi13:47:553:16:598:128:43
8:43
+0:01
40K
24.85 mi13:54:483:23:528:126:53
8:03
-0:40
25.2M
25.20 mi13:58:093:27:138:133:21
9:43
+1:40
Finish
26.22 mi14:06:533:35:578:158:44
8:34
-1:09

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

7:09 /mi

Average Pace

8:15 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:30

24% of race

Time at Steady Pace

2:18:55

64% of race

Time at Slower Pace

25:32

12% of race

Average Pace: 8:14 /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 mi10:53:0922:137:0922:13
7:09
#8053
10K
6.21 mi11:16:4745:517:2323:38
7:36
#9488
15K
9.32 mi11:42:021:11:067:3825:15
8:08
#11191
20K
12.43 mi12:08:021:37:067:4926:00
8:22
#12013
Half
13.11 mi12:13:331:42:377:505:31
8:05
#12077
25K
15.53 mi12:34:182:03:227:5620:45
8:33
#12284
30K
18.64 mi13:00:282:29:328:0126:10
8:25
#11823
20M
20.00 mi13:12:302:41:348:0512:02
8:51
#11743
21M
21.00 mi13:22:392:51:438:1110:09
10:09
#11839
35K
21.75 mi13:28:182:57:228:095:39
7:33
#11546
23M
23.00 mi13:39:123:08:168:1110:54
8:42
#11352
24M
24.00 mi13:47:553:16:598:128:43
8:43
#11287
40K
24.85 mi13:54:483:23:528:126:53
8:03
#11028
25.2M
25.20 mi13:58:093:27:138:133:21
9:43
#10979
Finish
26.22 mi14:06:533:35:578:158:44
8:34
#10983
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8053119011901426245244524
10K6.21 mi3.10 mi9488-14351821-6311821-6311115127322732
15K9.32 mi3.11 mi11191-17032739-9182739-9181426245244524
20K12.43 mi3.11 mi12013-8223224-4853224-4851407644744474
Half13.11 mi0.68 mi12077-643268-443268-441330440684068
25K15.53 mi2.42 mi12284-2073420-1523420-1521336742484248
30K18.64 mi3.11 mi11823+4613249+1713249+1711024628202820
20M20.00 mi1.36 mi11743+803259-103259-101137336823682
21M21.00 mi1.00 mi11839-963380-1213380-1211356150715071
35K21.75 mi0.75 mi11546+2933256+1243256+124537010591059
23M23.00 mi1.25 mi11352+1943230+263230+26959931833183
24M24.00 mi1.00 mi11287+653238-83238-81068937713771
40K24.85 mi0.85 mi11028+2593140+983140+98609517121712
25.2M25.20 mi0.35 mi10979+493139+13139+1972634993499
Finish26.22 mi1.02 mi10983-43189-503189-501191244174417

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14262

Females

4524

F18-39

4524

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11151

Females

2732

F18-39

2732

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14262

Females

4524

F18-39

4524

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14076

Females

4474

F18-39

4474

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13304

Females

4068

F18-39

4068

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13367

Females

4248

F18-39

4248

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10246

Females

2820

F18-39

2820

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11373

Females

3682

F18-39

3682

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

13561

Females

5071

F18-39

5071

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5370

Females

1059

F18-39

1059

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

9599

Females

3183

F18-39

3183

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

10689

Females

3771

F18-39

3771

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6095

Females

1712

F18-39

1712

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9726

Females

3499

F18-39

3499

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

11912

Females

4417

F18-39

4417

Passing Analysis

Category:
Athletes Passed
2223
Passed By
5151
Net Change
-2930
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8053
5K → 10K281463-1435#8053#9488
10K → 15K151716-1703#9488#11191
15K → 20K62884-822#11191#12013
20K → Half1882-64#12013#12077
Half → 25K186393-207#12077#12284
25K → 30K54988+461#12284#11823
30K → 20M181101+80#11823#11743
20M → 21M106202-96#11743#11839
21M → 35K2930+293#11839#11546
35K → 23M24147+194#11546#11352
23M → 24M13166+65#11352#11287
24M → 40K2590+259#11287#11028
40K → 25.2M7122+49#11028#10979
25.2M → Finish8387-4#10979#10983
TOTALS22235151-2930

Passing Charts

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