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BOSTON MARATHON 2024

Jennifer Cho

Bib: 14604•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 27%
Gender (Female)
#0 / 10924
Top 11%
Masters (Masters Women)
#0 / 6263
Top 4%
Division (F45-49)
#0 / 1753
Top 4%
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
7:31/mi
23:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
46:51
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:10:25
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:34:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:39:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
1:58:00
↑ 66↓ 880.2%
30K· 18.64 mi
7:54/mi
2:22:33
↑ 181↓ 1480.2%
20M
7:44/mi
2:33:03
↑ 64↓ 500.2%
21M
8:12/mi
2:41:15
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:46:48
↑ 17↓ 861.7%
23M
7:33/mi
2:56:15
↑ 23↓ 630.6%
24M
7:15/mi
3:03:30
↓ 821.3%
40K· 24.85 mi
7:12/mi
3:09:39
↓ 200.3%
25.2M
8:16/mi
3:12:30
↑ 13↓ 160.2%
Finish· 26.22 mi
6:59/mi
3:19:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:20
Pace7:35 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:40:17
Pace7:39 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4023:217:3123:21
7:31
-
10K
6.21 mi11:18:1046:517:3223:30
7:34
+0:03
15K
9.32 mi11:41:441:10:257:3323:34
7:35
+0:01
20K
12.43 mi12:05:321:34:137:3523:48
7:40
+0:05
Half
13.11 mi12:10:391:39:207:355:07
7:30
-0:10
25K
15.53 mi12:29:191:58:007:3618:40
7:42
+0:12
30K
18.64 mi12:53:522:22:337:3924:33
7:54
+0:12
20M
20.00 mi13:04:222:33:037:3910:30
7:44
-0:10
21M
21.00 mi13:12:342:41:157:418:12
8:12
+0:28
35K
21.75 mi13:18:072:46:487:405:33
7:25
-0:47
23M
23.00 mi13:27:342:56:157:409:27
7:33
+0:08
24M
24.00 mi13:34:493:03:307:397:15
7:15
-0:18
40K
24.85 mi13:40:583:09:397:386:09
7:12
-0:03
25.2M
25.20 mi13:43:493:12:307:382:51
8:16
+1:04
Finish
26.22 mi13:50:563:19:377:377:07
6:59
-1:17

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

6:59 /mi

Average Pace

7:37 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:51

68% of race

Time at Steady Pace

1:01:55

31% of race

Time at Slower Pace

2:51

1% of race

Average Pace: 7:37 /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 mi10:54:4023:217:3123:21
7:31
#10898
10K
6.21 mi11:18:1046:517:3223:30
7:34
#10820
15K
9.32 mi11:41:441:10:257:3323:34
7:35
#10604
20K
12.43 mi12:05:321:34:137:3523:48
7:40
#10257
Half
13.11 mi12:10:391:39:207:355:07
7:30
#10189
25K
15.53 mi12:29:191:58:007:3618:40
7:42
#9764
30K
18.64 mi12:53:522:22:337:3924:33
7:54
#9180
20M
20.00 mi13:04:222:33:037:3910:30
7:44
#8779
21M
21.00 mi13:12:342:41:157:418:12
8:12
#8447
35K
21.75 mi13:18:072:46:487:405:33
7:25
#8223
23M
23.00 mi13:27:342:56:157:409:27
7:33
#7803
24M
24.00 mi13:34:493:03:307:397:15
7:15
#7474
40K
24.85 mi13:40:583:09:397:386:09
7:12
#7153
25.2M
25.20 mi13:43:493:12:307:382:51
8:16
#7053
Finish
26.22 mi13:50:563:19:377:377:07
6:59
#6804
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi108982502250210325(Top 40%)2338(Top 21%)2338(Top 133%)
10K6.21 mi3.10 mi10820+782515-132515-1310800(Top 42%)2527(Top 23%)2527(Top 144%)
15K9.32 mi3.11 mi10604+2162410+1052410+10510325(Top 40%)2338(Top 21%)2338(Top 133%)
20K12.43 mi3.11 mi10257+3472283+1272283+1279474(Top 37%)2058(Top 19%)2058(Top 117%)
Half13.11 mi0.68 mi10189+682256+272256+279128(Top 36%)1860(Top 17%)1860(Top 106%)
25K15.53 mi2.42 mi9764+4252101+1552101+1558269(Top 32%)1671(Top 15%)1671(Top 95%)
30K18.64 mi3.11 mi9180+5841892+2091892+2097323(Top 29%)1483(Top 14%)1483(Top 85%)
20M20.00 mi1.36 mi8779+4011776+1161776+1165369(Top 21%)875(Top 8%)875(Top 50%)
21M21.00 mi1.00 mi8447+3321681+951681+954952(Top 19%)871(Top 8%)871(Top 50%)
35K21.75 mi0.75 mi8223+2241619+621619+624739(Top 19%)787(Top 7%)787(Top 45%)
23M23.00 mi1.25 mi7803+4201496+1231496+1233822(Top 15%)553(Top 5%)553(Top 32%)
24M24.00 mi1.00 mi7474+3291401+951401+953205(Top 13%)433(Top 4%)433(Top 25%)
40K24.85 mi0.85 mi7153+3211309+921309+922489(Top 10%)307(Top 3%)307(Top 18%)
25.2M25.20 mi0.35 mi7053+1001286+231286+233664(Top 14%)705(Top 6%)705(Top 40%)
Finish26.22 mi1.02 mi6804+2491225+611225+613089(Top 12%)502(Top 5%)502(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10325

Females

2338

F45-49

2338

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

10800

Females

2527

F45-49

2527

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10325

Females

2338

F45-49

2338

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9474

Females

2058

F45-49

2058

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9128

Females

1860

F45-49

1860

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8269

Females

1671

F45-49

1671

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7323

Females

1483

F45-49

1483

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5369

Females

875

F45-49

875

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

4952

Females

871

F45-49

871

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

4739

Females

787

F45-49

787

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

3822

Females

553

F45-49

553

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3205

Females

433

F45-49

433

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2489

Females

307

F45-49

307

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3664

Females

705

F45-49

705

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3089

Females

502

F45-49

502

Passing Analysis

Category:
Athletes Passed
4579
Passed By
485
Net Change
+4094
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10898
5K → 10K329251+78#10898#10820
10K → 15K317101+216#10820#10604
15K → 20K41265+347#10604#10257
20K → Half757+68#10257#10189
Half → 25K44924+425#10189#9764
25K → 30K61026+584#9764#9180
30K → 20M4032+401#9180#8779
20M → 21M3364+332#8779#8447
21M → 35K2273+224#8447#8223
35K → 23M4211+420#8223#7803
23M → 24M3290+329#7803#7474
24M → 40K3210+321#7474#7153
40K → 25.2M1011+100#7153#7053
25.2M → Finish2490+249#7053#6804
TOTALS4579485+4094
📊

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