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BOSTON MARATHON 2024

Madison Lam

Bib: 16419•F

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
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
8:41/mi
26:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:46/mi
54:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:56/mi
1:21:58
↑ 67↓ 78
20K· 12.43 mi
8:59/mi
1:49:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:55:52
↑ 19↓ 370.5%
25K· 15.53 mi
8:58/mi
2:17:36
↑ 66↓ 880.2%
30K· 18.64 mi
9:33/mi
2:47:15
↑ 181↓ 1480.2%
20M
9:48/mi
3:00:34
↑ 64↓ 500.2%
21M
10:08/mi
3:10:42
↑ 106↓ 241.6%
35K· 21.75 mi
9:15/mi
3:17:37
↑ 17↓ 861.7%
23M
9:25/mi
3:29:25
↑ 23↓ 630.6%
24M
9:18/mi
3:38:43
↓ 821.3%
40K· 24.85 mi
9:16/mi
3:46:38
↓ 200.3%
25.2M
9:49/mi
3:50:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
3:58:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:52
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:02:51
Pace9:22 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:4426:588:4126:58
8:41
-
10K
6.21 mi12:09:5854:128:4327:14
8:46
+0:05
15K
9.32 mi12:37:441:21:588:4827:46
8:56
+0:10
20K
12.43 mi13:05:381:49:528:5027:54
8:59
+0:03
Half
13.11 mi13:11:381:55:528:506:00
8:48
-0:11
25K
15.53 mi13:33:222:17:368:5121:44
8:58
+0:10
30K
18.64 mi14:03:012:47:158:5829:39
9:33
+0:35
20M
20.00 mi14:16:203:00:349:0213:19
9:48
+0:15
21M
21.00 mi14:26:283:10:429:0510:08
10:08
+0:20
35K
21.75 mi14:33:233:17:379:056:55
9:15
-0:53
23M
23.00 mi14:45:113:29:259:0611:48
9:25
+0:10
24M
24.00 mi14:54:293:38:439:079:18
9:18
-0:07
40K
24.85 mi15:02:243:46:389:077:55
9:16
-0:02
25.2M
25.20 mi15:05:473:50:019:083:23
9:49
+0:33
Finish
26.22 mi15:14:293:58:439:078:42
8:32
-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

8:32 /mi

Average Pace

9:07 /mi

Slowest Pace

10:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:26

71% of race

Time at Steady Pace

58:09

24% of race

Time at Slower Pace

10:08

4% of race

Average Pace: 9:06 /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 mi11:42:4426:588:4126:58
8:41
#18744
10K
6.21 mi12:09:5854:128:4327:14
8:46
#18712
15K
9.32 mi12:37:441:21:588:4827:46
8:56
#18671
20K
12.43 mi13:05:381:49:528:5027:54
8:59
#18210
Half
13.11 mi13:11:381:55:528:506:00
8:48
#18163
25K
15.53 mi13:33:222:17:368:5121:44
8:58
#17624
30K
18.64 mi14:03:012:47:158:5829:39
9:33
#17236
20M
20.00 mi14:16:203:00:349:0213:19
9:48
#17122
21M
21.00 mi14:26:283:10:429:0510:08
10:08
#16911
35K
21.75 mi14:33:233:17:379:056:55
9:15
#16803
23M
23.00 mi14:45:113:29:259:0611:48
9:25
#16598
24M
24.00 mi14:54:293:38:439:079:18
9:18
#16448
40K
24.85 mi15:02:243:46:389:077:55
9:16
#16253
25.2M
25.20 mi15:05:473:50:019:083:23
9:49
#16151
Finish
26.22 mi15:14:293:58:439:078:42
8:32
#15994
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi187447192719218622(Top 73%)7033(Top 64%)7033(Top 151%)
10K6.21 mi3.10 mi18712+327167+257167+2518698(Top 73%)7136(Top 65%)7136(Top 153%)
15K9.32 mi3.11 mi18671+417118+497118+4918622(Top 73%)7033(Top 64%)7033(Top 151%)
20K12.43 mi3.11 mi18210+4616847+2716847+27117260(Top 68%)6304(Top 58%)6304(Top 135%)
Half13.11 mi0.68 mi18163+476832+156832+1517325(Top 68%)6403(Top 59%)6403(Top 137%)
25K15.53 mi2.42 mi17624+5396557+2756557+27515371(Top 60%)5378(Top 49%)5378(Top 115%)
30K18.64 mi3.11 mi17236+3886393+1646393+16415639(Top 61%)5762(Top 53%)5762(Top 124%)
20M20.00 mi1.36 mi17122+1146357+366357+3615748(Top 62%)6077(Top 56%)6077(Top 130%)
21M21.00 mi1.00 mi16911+2116278+796278+7913516(Top 53%)5056(Top 46%)5056(Top 108%)
35K21.75 mi0.75 mi16803+1086231+476231+4714496(Top 57%)5585(Top 51%)5585(Top 120%)
23M23.00 mi1.25 mi16598+2056133+986133+9813205(Top 52%)5015(Top 46%)5015(Top 108%)
24M24.00 mi1.00 mi16448+1506093+406093+4013559(Top 53%)5212(Top 48%)5212(Top 112%)
40K24.85 mi0.85 mi16253+1956014+796014+7912094(Top 47%)4591(Top 42%)4591(Top 99%)
25.2M25.20 mi0.35 mi16151+1025969+455969+4510238(Top 40%)3768(Top 34%)3768(Top 81%)
Finish26.22 mi1.02 mi15994+1575900+695900+6911762(Top 46%)4364(Top 40%)4364(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

18622

Females

7033

F18-39

7033

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

18698

Females

7136

F18-39

7136

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

18622

Females

7033

F18-39

7033

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

17260

Females

6304

F18-39

6304

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

17325

Females

6403

F18-39

6403

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15371

Females

5378

F18-39

5378

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

15639

Females

5762

F18-39

5762

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

15748

Females

6077

F18-39

6077

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

13516

Females

5056

F18-39

5056

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

14496

Females

5585

F18-39

5585

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13205

Females

5015

F18-39

5015

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

13559

Females

5212

F18-39

5212

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12094

Females

4591

F18-39

4591

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10238

Females

3768

F18-39

3768

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

11762

Females

4364

F18-39

4364

Passing Analysis

Category:
Athletes Passed
3500
Passed By
750
Net Change
+2750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18744
5K → 10K300268+32#18744#18712
10K → 15K235194+41#18712#18671
15K → 20K51251+461#18671#18210
20K → Half6720+47#18210#18163
Half → 25K5478+539#18163#17624
25K → 30K47082+388#17624#17236
30K → 20M16349+114#17236#17122
20M → 21M22514+211#17122#16911
21M → 35K12214+108#16911#16803
35K → 23M22116+205#16803#16598
23M → 24M16818+150#16598#16448
24M → 40K1994+195#16448#16253
40K → 25.2M1031+102#16253#16151
25.2M → Finish16811+157#16151#15994
TOTALS3500750+2750
📊

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