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BOSTON MARATHON 2024

Jianqin Tong

Bib: 29921•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
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
10:27/mi
32:27
↑ 97↓ 3451.5%
10K· 6.21 mi
10:22/mi
1:04:39
↑ 79↓ 1380.4%
15K· 9.32 mi
10:30/mi
1:37:16
↑ 67↓ 78
20K· 12.43 mi
11:15/mi
2:12:12
↑ 106↓ 860.1%
Half· 13.11 mi
10:33/mi
2:19:24
↑ 19↓ 370.5%
25K· 15.53 mi
11:31/mi
2:47:20
↑ 66↓ 880.2%
30K· 18.64 mi
11:45/mi
3:23:49
↑ 181↓ 1480.2%
20M
12:35/mi
3:40:55
↑ 64↓ 500.2%
21M
13:46/mi
3:54:41
↑ 106↓ 241.6%
35K· 21.75 mi
12:29/mi
4:04:01
↑ 17↓ 861.7%
23M
12:39/mi
4:19:51
↑ 23↓ 630.6%
24M
12:17/mi
4:32:08
↓ 821.3%
40K· 24.85 mi
11:52/mi
4:42:17
↓ 200.3%
25.2M
13:58/mi
4:47:06
↑ 13↓ 160.2%
Finish· 26.22 mi
9:36/mi
4:56:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:24
Pace10:38 /mi
2nd Half
Distance13.11 mi
Time2:37:29
Pace12:01 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3132:2710:2732:27
10:27
-
10K
6.21 mi12:20:431:04:3910:2432:12
10:22
-0:05
15K
9.32 mi12:53:201:37:1610:2632:37
10:30
+0:08
20K
12.43 mi13:28:162:12:1210:3834:56
11:15
+0:45
Half
13.11 mi13:35:282:19:2410:387:12
10:33
-0:42
25K
15.53 mi14:03:242:47:2010:4627:56
11:31
+0:58
30K
18.64 mi14:39:533:23:4910:5636:29
11:45
+0:14
20M
20.00 mi14:56:593:40:5511:0317:06
12:35
+0:50
21M
21.00 mi15:10:453:54:4111:1113:46
13:46
+1:11
35K
21.75 mi15:20:054:04:0111:139:20
12:29
-1:17
23M
23.00 mi15:35:554:19:5111:1815:50
12:39
+0:10
24M
24.00 mi15:48:124:32:0811:2012:17
12:17
-0:22
40K
24.85 mi15:58:214:42:1711:2110:09
11:52
-0:25
25.2M
25.20 mi16:03:104:47:0611:244:49
13:58
+2:06
Finish
26.22 mi16:12:574:56:5311:209:47
9:36
-4:22

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

9:36 /mi

Average Pace

11:20 /mi

Slowest Pace

13:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:15

38% of race

Time at Steady Pace

2:01:47

41% of race

Time at Slower Pace

1:00:51

20% of race

Average Pace: 11:19 /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 mi11:48:3132:2710:2732:27
10:27
#23985
10K
6.21 mi12:20:431:04:3910:2432:12
10:22
#23572
15K
9.32 mi12:53:201:37:1610:2632:37
10:30
#23362
20K
12.43 mi13:28:162:12:1210:3834:56
11:15
#23303
Half
13.11 mi13:35:282:19:2410:387:12
10:33
#23285
25K
15.53 mi14:03:242:47:2010:4627:56
11:31
#23143
30K
18.64 mi14:39:533:23:4910:5636:29
11:45
#22842
20M
20.00 mi14:56:593:40:5511:0317:06
12:35
#22821
21M
21.00 mi15:10:453:54:4111:1113:46
13:46
#22801
35K
21.75 mi15:20:054:04:0111:139:20
12:29
#22803
23M
23.00 mi15:35:554:19:5111:1815:50
12:39
#22774
24M
24.00 mi15:48:124:32:0811:2012:17
12:17
#22735
40K
24.85 mi15:58:214:42:1711:2110:09
11:52
#22662
25.2M
25.20 mi16:03:104:47:0611:244:49
13:58
#22652
Finish
26.22 mi16:12:574:56:5311:209:47
9:36
#22527
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi239859946994622927(Top 90%)9388(Top 86%)9388(Top 791%)
10K6.21 mi3.10 mi23572+4139712+2349712+23423303(Top 91%)9581(Top 88%)9581(Top 807%)
15K9.32 mi3.11 mi23362+2109598+1149598+11422927(Top 90%)9388(Top 86%)9388(Top 791%)
20K12.43 mi3.11 mi23303+599592+69592+623053(Top 90%)9477(Top 87%)9477(Top 798%)
Half13.11 mi0.68 mi23285+189584+89584+822761(Top 89%)9363(Top 86%)9363(Top 789%)
25K15.53 mi2.42 mi23143+1429533+519533+5122447(Top 88%)9247(Top 85%)9247(Top 779%)
30K18.64 mi3.11 mi22842+3019406+1279406+12721500(Top 84%)8901(Top 81%)8901(Top 750%)
20M20.00 mi1.36 mi22821+219422-169422-1622293(Top 87%)9399(Top 86%)9399(Top 792%)
21M21.00 mi1.00 mi22801+209431-99431-922009(Top 86%)9298(Top 85%)9298(Top 783%)
35K21.75 mi0.75 mi22803-29443-129443-1222559(Top 88%)9610(Top 88%)9610(Top 810%)
23M23.00 mi1.25 mi22774+299438+59438+521959(Top 86%)9354(Top 86%)9354(Top 788%)
24M24.00 mi1.00 mi22735+399431+79431+721984(Top 86%)9428(Top 86%)9428(Top 794%)
40K24.85 mi0.85 mi22662+739403+289403+2820200(Top 79%)8630(Top 79%)8630(Top 727%)
25.2M25.20 mi0.35 mi22652+109404-19404-121570(Top 84%)9257(Top 85%)9257(Top 780%)
Finish26.22 mi1.02 mi22527+1259359+459359+4516973(Top 66%)6999(Top 64%)6999(Top 590%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

22927

Females

9388

F50-54

9388

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

23303

Females

9581

F50-54

9581

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

22927

Females

9388

F50-54

9388

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23053

Females

9477

F50-54

9477

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

22761

Females

9363

F50-54

9363

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

22447

Females

9247

F50-54

9247

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

21500

Females

8901

F50-54

8901

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

22293

Females

9399

F50-54

9399

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22009

Females

9298

F50-54

9298

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

22559

Females

9610

F50-54

9610

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

21959

Females

9354

F50-54

9354

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

21984

Females

9428

F50-54

9428

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20200

Females

8630

F50-54

8630

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

21570

Females

9257

F50-54

9257

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

16973

Females

6999

F50-54

6999

Passing Analysis

Category:
Athletes Passed
2031
Passed By
573
Net Change
+1458
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23985
5K → 10K45845+413#23985#23572
10K → 15K26656+210#23572#23362
15K → 20K180121+59#23362#23303
20K → Half3719+18#23303#23285
Half → 25K19149+142#23285#23143
25K → 30K33029+301#23143#22842
30K → 20M8867+21#22842#22821
20M → 21M7050+20#22821#22801
21M → 35K3436-2#22801#22803
35K → 23M7041+29#22803#22774
23M → 24M6728+39#22774#22735
24M → 40K829+73#22735#22662
40K → 25.2M2818+10#22662#22652
25.2M → Finish1305+125#22652#22527
TOTALS2031573+1458
📊

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