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BOSTON MARATHON 2024

Zachary Bailey

MA

Bib: 28278 M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 37%
Gender (Male)
#0 / 14578
Top 48%
Division (M18-39)
#0 / 4849
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
7:07/mi
22:08
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:33/mi
42:28
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:07/mi
1:04:34
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:39/mi
1:28:19
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:46/mi
1:33:37
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:57/mi
1:52:53
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:44/mi
2:20:00
↑ 181↓ 1480.2%
138 ft elev
20M
8:59/mi
2:32:13
↑ 64↓ 500.2%
148 ft elev
21M
9:34/mi
2:41:47
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:55/mi
2:48:27
↑ 17↓ 861.7%
156 ft elev
23M
9:02/mi
2:59:45
↑ 23↓ 630.6%
116 ft elev
24M
9:04/mi
3:08:49
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:13/mi
3:17:33
↓ 200.3%
20 ft elev
25.2M
10:29/mi
3:21:10
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:20/mi
3:29:40
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:37
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:56:03
Pace8:51 /mi
📊Positive Split: 24.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3122:087:0722:08
7:07
-
10K
6.21 mi12:04:5142:286:5020:20
6:33
-0:34
15K
9.32 mi12:26:571:04:346:5622:06
7:07
+0:34
20K
12.43 mi12:50:421:28:197:0623:45
7:39
+0:32
Half
13.11 mi12:56:001:33:377:085:18
7:46
+0:07
25K
15.53 mi13:15:161:52:537:1619:16
7:57
+0:11
30K
18.64 mi13:42:232:20:007:3127:07
8:44
+0:47
20M
20.00 mi13:54:362:32:137:3712:13
8:59
+0:15
21M
21.00 mi14:04:102:41:477:429:34
9:34
+0:35
35K
21.75 mi14:10:502:48:277:456:40
8:55
-0:39
23M
23.00 mi14:22:082:59:457:4911:18
9:02
+0:07
24M
24.00 mi14:31:123:08:497:529:04
9:04
+0:02
40K
24.85 mi14:39:563:17:337:578:44
10:13
+1:09
25.2M
25.20 mi14:43:333:21:107:593:37
10:29
+0:16
Finish
26.22 mi14:52:033:29:408:008:30
8:20
-2:09

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

6:33 /mi

Average Pace

8:00 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:53

54% of race

Time at Steady Pace

1:14:52

36% of race

Time at Slower Pace

21:55

10% of race

Average Pace: 8:00 /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 mi11:44:3122:087:0722:08
7:07
#7836
10K
6.21 mi12:04:5142:286:5020:20
6:33
#5687
15K
9.32 mi12:26:571:04:346:5622:06
7:07
#6118
20K
12.43 mi12:50:421:28:197:0623:45
7:39
#6833
Half
13.11 mi12:56:001:33:377:085:18
7:46
#7010
25K
15.53 mi13:15:161:52:537:1619:16
7:57
#7375
30K
18.64 mi13:42:232:20:007:3127:07
8:44
#8225
20M
20.00 mi13:54:362:32:137:3712:13
8:59
#8501
21M
21.00 mi14:04:102:41:477:429:34
9:34
#8596
35K
21.75 mi14:10:502:48:277:456:40
8:55
#8713
23M
23.00 mi14:22:082:59:457:4911:18
9:02
#8801
24M
24.00 mi14:31:123:08:497:529:04
9:04
#8962
40K
24.85 mi14:39:563:17:337:578:44
10:13
#9343
25.2M
25.20 mi14:43:333:21:107:593:37
10:29
#9421
Finish
26.22 mi14:52:033:29:408:008:30
8:20
#9481
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7836671867186877(Top 27%)5992(Top 41%)5992(Top 124%)
10K6.21 mi3.10 mi5687+21495195+15235195+15233288(Top 13%)3127(Top 21%)3127(Top 64%)
15K9.32 mi3.11 mi6118-4315515-3205515-3206877(Top 27%)5992(Top 41%)5992(Top 124%)
20K12.43 mi3.11 mi6833-7155987-4725987-4729356(Top 37%)7339(Top 50%)7339(Top 151%)
Half13.11 mi0.68 mi7010-1776093-1066093-10611030(Top 43%)8175(Top 56%)8175(Top 169%)
25K15.53 mi2.42 mi7375-3656299-2066299-2069839(Top 39%)7411(Top 51%)7411(Top 153%)
30K18.64 mi3.11 mi8225-8506718-4196718-41911830(Top 46%)8158(Top 56%)8158(Top 168%)
20M20.00 mi1.36 mi8501-2766829-1116829-11112051(Top 47%)7968(Top 55%)7968(Top 164%)
21M21.00 mi1.00 mi8596-956830-16830-111131(Top 44%)7289(Top 50%)7289(Top 150%)
35K21.75 mi0.75 mi8713-1176852-226852-2212829(Top 50%)8073(Top 55%)8073(Top 166%)
23M23.00 mi1.25 mi8801-886838+146838+1411286(Top 44%)7212(Top 49%)7212(Top 149%)
24M24.00 mi1.00 mi8962-1616882-446882-4412487(Top 49%)7793(Top 53%)7793(Top 161%)
40K24.85 mi0.85 mi9343-3817028-1467028-14615734(Top 62%)9324(Top 64%)9324(Top 192%)
25.2M25.20 mi0.35 mi9421-787045-177045-1712720(Top 50%)7723(Top 53%)7723(Top 159%)
Finish26.22 mi1.02 mi9481-607049-47049-410585(Top 41%)6778(Top 46%)6778(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

6877

Males

5992

M18-39

5992

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3288

Males

3127

M18-39

3127

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

6877

Males

5992

M18-39

5992

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9356

Males

7339

M18-39

7339

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11030

Males

8175

M18-39

8175

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

9839

Males

7411

M18-39

7411

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

11830

Males

8158

M18-39

8158

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12051

Males

7968

M18-39

7968

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11131

Males

7289

M18-39

7289

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

12829

Males

8073

M18-39

8073

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11286

Males

7212

M18-39

7212

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

12487

Males

7793

M18-39

7793

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15734

Males

9324

M18-39

9324

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

12720

Males

7723

M18-39

7723

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10585

Males

6778

M18-39

6778

Passing Analysis

Category:
Athletes Passed
2851
Passed By
4496
Net Change
-1645
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7836
5K → 10K21490+2149#7836#5687
10K → 15K42473-431#5687#6118
15K → 20K38753-715#6118#6833
20K → Half3180-177#6833#7010
Half → 25K95460-365#7010#7375
25K → 30K72922-850#7375#8225
30K → 20M58334-276#8225#8501
20M → 21M87182-95#8501#8596
21M → 35K48165-117#8596#8713
35K → 23M112200-88#8713#8801
23M → 24M36197-161#8801#8962
24M → 40K29410-381#8962#9343
40K → 25.2M22100-78#9343#9421
25.2M → Finish60120-60#9421#9481
TOTALS28514496-1645
📊

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