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BOSTON MARATHON 2024

David Spier

Bib: 17355•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Top 48%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:57
Rank: #9819
Start → 5K
22:57 | 7:23/mi
10K· 6.21 mi
45:53
Rank: #9506 (+313)
5K → 10K
22:56 | 7:23/mi
15K· 9.32 mi
1:09:00
Rank: #9371 (+135)
10K → 15K
23:07 | 7:26/mi
20K· 12.43 mi
1:33:09
Rank: #9598 (-227)
15K → 20K
24:09 | 7:46/mi
Half· 13.11 mi
1:38:29
Rank: #9680 (-82)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
1:58:10
Rank: #9853 (-173)
Half → 25K
19:41 | 8:07/mi
30K· 18.64 mi
2:28:44
Rank: #11505 (-1652)
25K → 30K
30:34 | 9:50/mi
20M
2:41:20
Rank: #11655 (-150)
30K → 20M
12:36 | 9:16/mi
21M
2:52:31
Rank: #12085 (-430)
20M → 21M
11:11 | 11:11/mi
35K· 21.75 mi
2:59:17
Rank: #12119 (-34)
21M → 35K
6:46 | 9:03/mi
23M
3:11:59
Rank: #12393 (-274)
35K → 23M
12:42 | 10:09/mi
24M
3:21:45
Rank: #12534 (-141)
23M → 24M
9:46 | 9:46/mi
40K· 24.85 mi
3:33:14
Rank: #13372 (-838)
24M → 40K
11:29 | 13:26/mi
25.2M
3:37:07
Rank: #13423 (-51)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
3:46:17
Rank: #13442 (-19)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:29
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time2:07:48
Pace9:45 /mi
📊Positive Split: 29.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:3722:577:2322:57
7:23
-
10K
6.21 mi11:36:3345:537:2322:56
7:23
0:00
15K
9.32 mi11:59:401:09:007:2423:07
7:26
+0:03
20K
12.43 mi12:23:491:33:097:3024:09
7:46
+0:20
Half
13.11 mi12:29:091:38:297:315:20
7:49
+0:03
25K
15.53 mi12:48:501:58:107:3619:41
8:07
+0:18
30K
18.64 mi13:19:242:28:447:5930:34
9:50
+1:43
20M
20.00 mi13:32:002:41:208:0412:36
9:16
-0:34
21M
21.00 mi13:43:112:52:318:1311:11
11:11
+1:55
35K
21.75 mi13:49:572:59:178:156:46
9:03
-2:08
23M
23.00 mi14:02:393:11:598:2112:42
10:09
+1:06
24M
24.00 mi14:12:253:21:458:249:46
9:46
-0:23
40K
24.85 mi14:23:543:33:148:3511:29
13:26
+3:40
25.2M
25.20 mi14:27:473:37:078:373:53
11:16
-2:10
Finish
26.22 mi14:36:573:46:178:389:10
9:00
-2:16

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

7:23 /mi

Average Pace

8:38 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:10

52% of race

Time at Steady Pace

1:08:52

30% of race

Time at Slower Pace

39:15

17% of race

Average Pace: 8:38 /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 mi11:13:3722:577:2322:57
7:23
#9819
10K
6.21 mi11:36:3345:537:2322:56
7:23
#9506
15K
9.32 mi11:59:401:09:007:2423:07
7:26
#9371
20K
12.43 mi12:23:491:33:097:3024:09
7:46
#9598
Half
13.11 mi12:29:091:38:297:315:20
7:49
#9680
25K
15.53 mi12:48:501:58:107:3619:41
8:07
#9853
30K
18.64 mi13:19:242:28:447:5930:34
9:50
#11505
20M
20.00 mi13:32:002:41:208:0412:36
9:16
#11655
21M
21.00 mi13:43:112:52:318:1311:11
11:11
#12085
35K
21.75 mi13:49:572:59:178:156:46
9:03
#12119
23M
23.00 mi14:02:393:11:598:2112:42
10:09
#12393
24M
24.00 mi14:12:253:21:458:249:46
9:46
#12534
40K
24.85 mi14:23:543:33:148:3511:29
13:26
#13372
25.2M
25.20 mi14:27:473:37:078:373:53
11:16
#13423
Finish
26.22 mi14:36:573:46:178:389:10
9:00
#13442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9819785778579205(Top 36%)7409(Top 51%)7409(Top 485%)
10K6.21 mi3.10 mi9506+3137662+1957662+1959286(Top 36%)7483(Top 51%)7483(Top 489%)
15K9.32 mi3.11 mi9371+1357560+1027560+1029205(Top 36%)7409(Top 51%)7409(Top 485%)
20K12.43 mi3.11 mi9598-2277633-737633-7310230(Top 40%)7763(Top 53%)7763(Top 508%)
Half13.11 mi0.68 mi9680-827667-347667-3411448(Top 45%)8387(Top 58%)8387(Top 549%)
25K15.53 mi2.42 mi9853-1737681-147681-1410903(Top 43%)7962(Top 55%)7962(Top 521%)
30K18.64 mi3.11 mi11505-16528386-7058386-70516770(Top 66%)10354(Top 71%)10354(Top 677%)
20M20.00 mi1.36 mi11655-1508421-358421-3513488(Top 53%)8621(Top 59%)8621(Top 564%)
21M21.00 mi1.00 mi12085-4308541-1208541-12016817(Top 66%)10022(Top 69%)10022(Top 655%)
35K21.75 mi0.75 mi12119-348522+198522+1913493(Top 53%)8397(Top 58%)8397(Top 549%)
23M23.00 mi1.25 mi12393-2748577-558577-5515919(Top 62%)9527(Top 65%)9527(Top 623%)
24M24.00 mi1.00 mi12534-1418593-168593-1615491(Top 61%)9258(Top 64%)9258(Top 605%)
40K24.85 mi0.85 mi13372-8388923-3308923-33022894(Top 90%)12971(Top 89%)12971(Top 848%)
25.2M25.20 mi0.35 mi13423-518926-38926-315300(Top 60%)9082(Top 62%)9082(Top 594%)
Finish26.22 mi1.02 mi13442-198898+288898+2814163(Top 55%)8568(Top 59%)8568(Top 560%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9205

Males

7409

M55-59

7409

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9286

Males

7483

M55-59

7483

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9205

Males

7409

M55-59

7409

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10230

Males

7763

M55-59

7763

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

11448

Males

8387

M55-59

8387

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

10903

Males

7962

M55-59

7962

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

16770

Males

10354

M55-59

10354

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

13488

Males

8621

M55-59

8621

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

16817

Males

10022

M55-59

10022

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

13493

Males

8397

M55-59

8397

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

15919

Males

9527

M55-59

9527

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

15491

Males

9258

M55-59

9258

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

22894

Males

12971

M55-59

12971

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15300

Males

9082

M55-59

9082

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14163

Males

8568

M55-59

8568

Passing Analysis

Category:
Athletes Passed
1498
Passed By
5118
Net Change
-3623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9819
5K → 10K423110+313#9819#9506
10K → 15K257122+135#9506#9371
15K → 20K150377-227#9371#9598
20K → Half1294-82#9598#9680
Half → 25K165337-173#9680#9853
25K → 30K391689-1652#9853#11505
30K → 20M95245-150#11505#11655
20M → 21M51481-430#11655#12085
21M → 35K5993-34#12085#12119
35K → 23M69343-274#12119#12393
23M → 24M58199-141#12393#12534
24M → 40K13851-838#12534#13372
40K → 25.2M3384-51#13372#13423
25.2M → Finish7493-19#13423#13442
TOTALS14985118-3623
📊

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