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BOSTON MARATHON 2024

Jiong Kang

Bib: 19668•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 27%
Masters (Masters Women)
#0 / 6263
Top 15%
Division (F45-49)
#0 / 1753
Top 17%
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
7:58/mi
24:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
49:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:14:34
↑ 67↓ 78
20K· 12.43 mi
8:07/mi
1:39:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:45:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:04:49
↑ 66↓ 880.2%
30K· 18.64 mi
8:22/mi
2:30:49
↑ 181↓ 1480.2%
20M
8:27/mi
2:42:18
↑ 64↓ 500.2%
21M
8:51/mi
2:51:09
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
2:56:57
↑ 17↓ 861.7%
23M
8:12/mi
3:07:13
↑ 23↓ 630.6%
24M
8:24/mi
3:15:37
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:22:46
↓ 200.3%
25.2M
8:45/mi
3:25:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:33:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:20
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:48:39
Pace8:17 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1824:457:5824:45
7:58
-
10K
6.21 mi11:42:1749:448:0024:59
8:02
+0:04
15K
9.32 mi12:07:071:14:348:0024:50
8:00
-0:02
20K
12.43 mi12:32:191:39:468:0225:12
8:07
+0:07
Half
13.11 mi12:37:531:45:208:025:34
8:10
+0:03
25K
15.53 mi12:57:222:04:498:0219:29
8:02
-0:08
30K
18.64 mi13:23:222:30:498:0526:00
8:22
+0:20
20M
20.00 mi13:34:512:42:188:0711:29
8:27
+0:05
21M
21.00 mi13:43:422:51:098:098:51
8:51
+0:24
35K
21.75 mi13:49:302:56:578:085:48
7:45
-1:06
23M
23.00 mi13:59:463:07:138:0810:16
8:12
+0:27
24M
24.00 mi14:08:103:15:378:098:24
8:24
+0:12
40K
24.85 mi14:15:193:22:468:097:09
8:22
-0:02
25.2M
25.20 mi14:18:203:25:478:103:01
8:45
+0:23
Finish
26.22 mi14:26:323:33:598:108:12
8:03
-0:42

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

7:45 /mi

Average Pace

8:10 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:07

94% of race

Time at Steady Pace

11:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:17:1824:457:5824:45
7:58
#14402
10K
6.21 mi11:42:1749:448:0024:59
8:02
#14433
15K
9.32 mi12:07:071:14:348:0024:50
8:00
#14061
20K
12.43 mi12:32:191:39:468:0225:12
8:07
#13626
Half
13.11 mi12:37:531:45:208:025:34
8:10
#13623
25K
15.53 mi12:57:222:04:498:0219:29
8:02
#12965
30K
18.64 mi13:23:222:30:498:0526:00
8:22
#12293
20M
20.00 mi13:34:512:42:188:0711:29
8:27
#12006
21M
21.00 mi13:43:422:51:098:098:51
8:51
#11673
35K
21.75 mi13:49:302:56:578:085:48
7:45
#11419
23M
23.00 mi13:59:463:07:138:0810:16
8:12
#11067
24M
24.00 mi14:08:103:15:378:098:24
8:24
#10911
40K
24.85 mi14:15:193:22:468:097:09
8:22
#10738
25.2M
25.20 mi14:18:203:25:478:103:01
8:45
#10618
Finish
26.22 mi14:26:323:33:598:108:12
8:03
#10517
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi144024557455713421(Top 53%)4038(Top 37%)4038(Top 230%)
10K6.21 mi3.10 mi14433-314593-364593-3614491(Top 57%)4620(Top 42%)4620(Top 264%)
15K9.32 mi3.11 mi14061+3724376+2174376+21713421(Top 53%)4038(Top 37%)4038(Top 230%)
20K12.43 mi3.11 mi13626+4354133+2434133+24312599(Top 49%)3625(Top 33%)3625(Top 207%)
Half13.11 mi0.68 mi13623+34139-64139-613784(Top 54%)4331(Top 40%)4331(Top 247%)
25K15.53 mi2.42 mi12965+6583786+3533786+35310431(Top 41%)2702(Top 25%)2702(Top 154%)
30K18.64 mi3.11 mi12293+6723515+2713515+2719939(Top 39%)2683(Top 25%)2683(Top 153%)
20M20.00 mi1.36 mi12006+2873408+1073408+1079193(Top 36%)2553(Top 23%)2553(Top 146%)
21M21.00 mi1.00 mi11673+3333292+1163292+1167873(Top 31%)2122(Top 19%)2122(Top 121%)
35K21.75 mi0.75 mi11419+2543185+1073185+1076403(Top 25%)1489(Top 14%)1489(Top 85%)
23M23.00 mi1.25 mi11067+3523068+1173068+1176835(Top 27%)1826(Top 17%)1826(Top 104%)
24M24.00 mi1.00 mi10911+1563032+363032+368868(Top 35%)2884(Top 26%)2884(Top 165%)
40K24.85 mi0.85 mi10738+1732999+332999+337692(Top 30%)2462(Top 23%)2462(Top 140%)
25.2M25.20 mi0.35 mi10618+1202962+372962+375534(Top 22%)1528(Top 14%)1528(Top 87%)
Finish26.22 mi1.02 mi10517+1012945+172945+178841(Top 35%)2982(Top 27%)2982(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

13421

Females

4038

F45-49

4038

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

14491

Females

4620

F45-49

4620

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

13421

Females

4038

F45-49

4038

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12599

Females

3625

F45-49

3625

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

13784

Females

4331

F45-49

4331

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10431

Females

2702

F45-49

2702

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

9939

Females

2683

F45-49

2683

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9193

Females

2553

F45-49

2553

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

7873

Females

2122

F45-49

2122

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6403

Females

1489

F45-49

1489

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

6835

Females

1826

F45-49

1826

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

8868

Females

2884

F45-49

2884

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7692

Females

2462

F45-49

2462

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5534

Females

1528

F45-49

1528

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

8841

Females

2982

F45-49

2982

Passing Analysis

Category:
Athletes Passed
4500
Passed By
615
Net Change
+3885
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14402
5K → 10K280311-31#14402#14433
10K → 15K44371+372#14433#14061
15K → 20K49156+435#14061#13626
20K → Half4643+3#13626#13623
Half → 25K6679+658#13623#12965
25K → 30K69725+672#12965#12293
30K → 20M30316+287#12293#12006
20M → 21M34512+333#12006#11673
21M → 35K2540+254#11673#11419
35K → 23M3531+352#11419#11067
23M → 24M18226+156#11067#10911
24M → 40K18512+173#10911#10738
40K → 25.2M1211+120#10738#10618
25.2M → Finish13332+101#10618#10517
TOTALS4500615+3885
📊

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