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BOSTON MARATHON 2024

David Bell

Bib: 25258•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 40%
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:41
Rank: #9177
Start → 5K
22:41 | 7:18/mi
10K· 6.21 mi
46:09
Rank: #9828 (-651)
5K → 10K
23:28 | 7:33/mi
15K· 9.32 mi
1:10:00
Rank: #10253 (-425)
10K → 15K
23:51 | 7:41/mi
20K· 12.43 mi
1:34:20
Rank: #10318 (-65)
15K → 20K
24:20 | 7:50/mi
Half· 13.11 mi
1:39:48
Rank: #10433 (-115)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
1:59:56
Rank: #10689 (-256)
Half → 25K
20:08 | 8:18/mi
30K· 18.64 mi
2:27:02
Rank: #10848 (-159)
25K → 30K
27:06 | 8:43/mi
20M
2:38:47
Rank: #10754 (+94)
30K → 20M
11:45 | 8:39/mi
21M
2:48:29
Rank: #10744 (+10)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
2:54:31
Rank: #10630 (+114)
21M → 35K
6:02 | 8:04/mi
23M
3:05:05
Rank: #10408 (+222)
35K → 23M
10:34 | 8:26/mi
24M
3:13:33
Rank: #10323 (+85)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:20:51
Rank: #10236 (+87)
24M → 40K
7:18 | 8:32/mi
25.2M
3:24:14
Rank: #10222 (+14)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:32:15
Rank: #10094 (+128)
25.2M → Finish
8:01 | 7:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:48
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:52:27
Pace8:35 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:5122:417:1822:41
7:18
-
10K
6.21 mi12:02:1946:097:2623:28
7:33
+0:15
15K
9.32 mi12:26:101:10:007:3123:51
7:41
+0:08
20K
12.43 mi12:50:301:34:207:3524:20
7:50
+0:09
Half
13.11 mi12:55:581:39:487:375:28
8:01
+0:11
25K
15.53 mi13:16:061:59:567:4320:08
8:18
+0:17
30K
18.64 mi13:43:122:27:027:5327:06
8:43
+0:25
20M
20.00 mi13:54:572:38:477:5611:45
8:39
-0:04
21M
21.00 mi14:04:392:48:298:019:42
9:42
+1:03
35K
21.75 mi14:10:412:54:318:016:02
8:04
-1:38
23M
23.00 mi14:21:153:05:058:0310:34
8:26
+0:22
24M
24.00 mi14:29:433:13:338:048:28
8:28
+0:02
40K
24.85 mi14:37:013:20:518:057:18
8:32
+0:04
25.2M
25.20 mi14:40:243:24:148:063:23
9:49
+1:17
Finish
26.22 mi14:48:253:32:158:068:01
7:52
-1:57

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

7:18 /mi

Average Pace

8:06 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:21

48% of race

Time at Steady Pace

57:58

27% of race

Time at Slower Pace

51:56

24% of race

Average Pace: 8:06 /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 mi11:38:5122:417:1822:41
7:18
#9177
10K
6.21 mi12:02:1946:097:2623:28
7:33
#9828
15K
9.32 mi12:26:101:10:007:3123:51
7:41
#10253
20K
12.43 mi12:50:301:34:207:3524:20
7:50
#10318
Half
13.11 mi12:55:581:39:487:375:28
8:01
#10433
25K
15.53 mi13:16:061:59:567:4320:08
8:18
#10689
30K
18.64 mi13:43:122:27:027:5327:06
8:43
#10848
20M
20.00 mi13:54:572:38:477:5611:45
8:39
#10754
21M
21.00 mi14:04:392:48:298:019:42
9:42
#10744
35K
21.75 mi14:10:412:54:318:016:02
8:04
#10630
23M
23.00 mi14:21:153:05:058:0310:34
8:26
#10408
24M
24.00 mi14:29:433:13:338:048:28
8:28
#10323
40K
24.85 mi14:37:013:20:518:057:18
8:32
#10236
25.2M
25.20 mi14:40:243:24:148:063:23
9:49
#10222
Finish
26.22 mi14:48:253:32:158:068:01
7:52
#10094
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi91777503750311003(Top 43%)8282(Top 57%)8282(Top 171%)
10K6.21 mi3.10 mi9828-6517836-3337836-33310705(Top 42%)8199(Top 56%)8199(Top 169%)
15K9.32 mi3.11 mi10253-4258012-1768012-17611003(Top 43%)8282(Top 57%)8282(Top 171%)
20K12.43 mi3.11 mi10318-657976+367976+3610636(Top 42%)7971(Top 55%)7971(Top 164%)
Half13.11 mi0.68 mi10433-1158024-488024-4812772(Top 50%)8968(Top 62%)8968(Top 185%)
25K15.53 mi2.42 mi10689-2568093-698093-6911983(Top 47%)8444(Top 58%)8444(Top 174%)
30K18.64 mi3.11 mi10848-1598077+168077+1611804(Top 46%)8142(Top 56%)8142(Top 168%)
20M20.00 mi1.36 mi10754+947972+1057972+10510223(Top 40%)7142(Top 49%)7142(Top 147%)
21M21.00 mi1.00 mi10744+107911+617911+6111679(Top 46%)7547(Top 52%)7547(Top 156%)
35K21.75 mi0.75 mi10630+1147827+847827+848166(Top 32%)5848(Top 40%)5848(Top 121%)
23M23.00 mi1.25 mi10408+2227649+1787649+1788130(Top 32%)5671(Top 39%)5671(Top 117%)
24M24.00 mi1.00 mi10323+857555+947555+949251(Top 36%)6168(Top 42%)6168(Top 127%)
40K24.85 mi0.85 mi10236+877475+807475+808546(Top 33%)5687(Top 39%)5687(Top 117%)
25.2M25.20 mi0.35 mi10222+147448+277448+2710100(Top 40%)6407(Top 44%)6407(Top 132%)
Finish26.22 mi1.02 mi10094+1287351+977351+977723(Top 30%)5275(Top 36%)5275(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11003

Males

8282

M18-39

8282

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

10705

Males

8199

M18-39

8199

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11003

Males

8282

M18-39

8282

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

10636

Males

7971

M18-39

7971

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

12772

Males

8968

M18-39

8968

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

11983

Males

8444

M18-39

8444

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

11804

Males

8142

M18-39

8142

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10223

Males

7142

M18-39

7142

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

11679

Males

7547

M18-39

7547

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8166

Males

5848

M18-39

5848

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8130

Males

5671

M18-39

5671

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9251

Males

6168

M18-39

6168

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8546

Males

5687

M18-39

5687

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10100

Males

6407

M18-39

6407

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7723

Males

5275

M18-39

5275

Passing Analysis

Category:
Athletes Passed
1933*
Passed By
2848
Net Change
-917
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9177
5K → 10K77728-651#9177#9828
10K → 15K93516-425#9828#10253
15K → 20K208273-65#10253#10318
20K → Half15130-115#10318#10433
Half → 25K151407-256#10433#10689
25K → 30K239398-159#10689#10848
30K → 20M18793+94#10848#10754
20M → 21M135125+10#10754#10744
21M → 35K13117+114#10744#10630
35K → 23M25634+222#10630#10408
23M → 24M13146+85#10408#10323
24M → 40K126*39+87#10323#10236
40K → 25.2M4329+14#10236#10222
25.2M → Finish14113+128#10222#10094
TOTALS1933*2848-917

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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