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BOSTON MARATHON 2024

David Bailis

NY

Bib: 9125 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 22%
Gender (Male)
#0 / 14578
Top 33%
Masters (Masters Men)
#0 / 9729
Top 21%
Division (M45-49)
#0 / 2218
Top 30%
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
6:37/mi
20:34
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:39/mi
41:14
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:39/mi
1:01:53
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:52/mi
1:23:13
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:46/mi
1:27:50
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:08/mi
1:45:08
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:44/mi
2:09:11
↑ 181↓ 1480.2%
138 ft elev
20M
8:06/mi
2:20:11
↑ 64↓ 500.2%
148 ft elev
21M
8:50/mi
2:29:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:55/mi
2:34:56
↑ 17↓ 861.7%
156 ft elev
23M
8:30/mi
2:45:35
↑ 23↓ 630.6%
116 ft elev
24M
8:38/mi
2:54:13
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:50/mi
3:01:46
↓ 200.3%
20 ft elev
25.2M
10:15/mi
3:05:18
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:17/mi
3:14:46
↑ 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
Time1:27:50
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:46:56
Pace8:09 /mi
📊Positive Split: 21.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1420:346:3720:34
6:37
-
10K
6.21 mi11:06:5441:146:3820:40
6:39
+0:02
15K
9.32 mi11:27:331:01:536:3820:39
6:39
0:00
20K
12.43 mi11:48:531:23:136:4221:20
6:52
+0:13
Half
13.11 mi11:53:301:27:506:424:37
6:46
-0:06
25K
15.53 mi12:10:481:45:086:4617:18
7:08
+0:22
30K
18.64 mi12:34:512:09:116:5624:03
7:44
+0:36
20M
20.00 mi12:45:512:20:117:0111:00
8:06
+0:22
21M
21.00 mi12:54:412:29:017:068:50
8:50
+0:44
35K
21.75 mi13:00:362:34:567:075:55
7:55
-0:55
23M
23.00 mi13:11:152:45:357:1210:39
8:30
+0:35
24M
24.00 mi13:19:532:54:137:168:38
8:38
+0:08
40K
24.85 mi13:27:263:01:467:197:33
8:50
+0:12
25.2M
25.20 mi13:30:583:05:187:213:32
10:15
+1:25
Finish
26.22 mi13:40:263:14:467:269:28
9:17
-0:58

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

6:37 /mi

Average Pace

7:26 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:08

54% of race

Time at Steady Pace

40:58

21% of race

Time at Slower Pace

48:40

25% of race

Average Pace: 7:26 /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 mi10:46:1420:346:3720:34
6:37
#4181
10K
6.21 mi11:06:5441:146:3820:40
6:39
#4041
15K
9.32 mi11:27:331:01:536:3820:39
6:39
#3853
20K
12.43 mi11:48:531:23:136:4221:20
6:52
#3929
Half
13.11 mi11:53:301:27:506:424:37
6:46
#3940
25K
15.53 mi12:10:481:45:086:4617:18
7:08
#4134
30K
18.64 mi12:34:512:09:116:5624:03
7:44
#4604
20M
20.00 mi12:45:512:20:117:0111:00
8:06
#4750
21M
21.00 mi12:54:412:29:017:068:50
8:50
#4829
35K
21.75 mi13:00:362:34:567:075:55
7:55
#4875
23M
23.00 mi13:11:152:45:357:1210:39
8:30
#4959
24M
24.00 mi13:19:532:54:137:168:38
8:38
#5097
40K
24.85 mi13:27:263:01:467:197:33
8:50
#5198
25.2M
25.20 mi13:30:583:05:187:213:32
10:15
#5280
Finish
26.22 mi13:40:263:14:467:269:28
9:17
#5642
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4181394839483562(Top 14%)3375(Top 23%)3375(Top 152%)
10K6.21 mi3.10 mi4041+1403811+1373811+1373970(Top 16%)3738(Top 26%)3738(Top 169%)
15K9.32 mi3.11 mi3853+1883643+1683643+1683562(Top 14%)3375(Top 23%)3375(Top 152%)
20K12.43 mi3.11 mi3929-763703-603703-604382(Top 17%)4065(Top 28%)4065(Top 183%)
Half13.11 mi0.68 mi3940-113713-103713-104291(Top 17%)3995(Top 27%)3995(Top 180%)
25K15.53 mi2.42 mi4134-1943873-1603873-1604992(Top 20%)4478(Top 31%)4478(Top 202%)
30K18.64 mi3.11 mi4604-4704241-3684241-3686353(Top 25%)5231(Top 36%)5231(Top 236%)
20M20.00 mi1.36 mi4750-1464344-1034344-1037270(Top 28%)5588(Top 38%)5588(Top 252%)
21M21.00 mi1.00 mi4829-794385-414385-417750(Top 30%)5670(Top 39%)5670(Top 256%)
35K21.75 mi0.75 mi4875-464401-164401-167166(Top 28%)5308(Top 36%)5308(Top 239%)
23M23.00 mi1.25 mi4959-844430-294430-298487(Top 33%)5844(Top 40%)5844(Top 263%)
24M24.00 mi1.00 mi5097-1384508-784508-7810184(Top 40%)6614(Top 45%)6614(Top 298%)
40K24.85 mi0.85 mi5198-1014551-434551-4310006(Top 39%)6400(Top 44%)6400(Top 289%)
25.2M25.20 mi0.35 mi5280-824592-414592-4111838(Top 46%)7276(Top 50%)7276(Top 328%)
Finish26.22 mi1.02 mi5642-3624817-2254817-22515511(Top 61%)9204(Top 63%)9204(Top 415%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

3562

Males

3375

M45-49

3375

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

3970

Males

3738

M45-49

3738

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

3562

Males

3375

M45-49

3375

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4382

Males

4065

M45-49

4065

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4291

Males

3995

M45-49

3995

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

4992

Males

4478

M45-49

4478

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6353

Males

5231

M45-49

5231

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7270

Males

5588

M45-49

5588

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

7750

Males

5670

M45-49

5670

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7166

Males

5308

M45-49

5308

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8487

Males

5844

M45-49

5844

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10184

Males

6614

M45-49

6614

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10006

Males

6400

M45-49

6400

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

11838

Males

7276

M45-49

7276

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

15511

Males

9204

M45-49

9204

Passing Analysis

Category:
Athletes Passed
1152
Passed By
2613
Net Change
-1461
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4181
5K → 10K247107+140#4181#4041
10K → 15K23547+188#4041#3853
15K → 20K122198-76#3853#3929
20K → Half2031-11#3929#3940
Half → 25K84278-194#3940#4134
25K → 30K82552-470#4134#4604
30K → 20M58204-146#4604#4750
20M → 21M67146-79#4750#4829
21M → 35K4086-46#4829#4875
35K → 23M72156-84#4875#4959
23M → 24M34172-138#4959#5097
24M → 40K54155-101#5097#5198
40K → 25.2M21103-82#5198#5280
25.2M → Finish16378-362#5280#5642
TOTALS11522613-1461
📊

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