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BOSTON MARATHON 2024

David Sanford

Bib: 20753•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M60-64)
#0 / 1173
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:10
Rank: #17334
Start → 5K
8:25/mi
26:10 split
10K· 6.21 mi
52:38
Rank: #17356 (-22)
5K → 10K
8:31/mi
26:28 split
15K· 9.32 mi
1:19:25
Rank: #17220 (+136)
10K → 15K
8:37/mi
26:47 split
20K· 12.43 mi
1:47:53
Rank: #17405 (-185)
15K → 20K
9:10/mi
28:28 split
Half· 13.11 mi
1:54:08
Rank: #17492 (-87)
20K → Half
9:10/mi
6:15 split
25K· 15.53 mi
2:17:44
Rank: #17669 (-177)
Half → 25K
9:44/mi
23:36 split
30K· 18.64 mi
2:51:21
Rank: #18219 (-550)
25K → 30K
10:49/mi
33:37 split
20M
3:07:02
Rank: #18495 (-276)
30K → 20M
11:32/mi
15:41 split
21M
3:19:50
Rank: #18641 (-146)
20M → 21M
12:48/mi
12:48 split
35K· 21.75 mi
3:28:34
Rank: #18783 (-142)
21M → 35K
11:40/mi
8:44 split
23M
3:43:25
Rank: #18859 (-76)
35K → 23M
11:52/mi
14:51 split
24M
3:55:15
Rank: #18968 (-109)
23M → 24M
11:50/mi
11:50 split
40K· 24.85 mi
4:05:28
Rank: #19021 (-53)
24M → 40K
11:57/mi
10:13 split
25.2M
4:10:02
Rank: #19041 (-20)
40K → 25.2M
13:15/mi
4:34 split
Finish· 26.22 mi
4:21:19
Rank: #19130 (-89)
25.2M → Finish
11:04/mi
11:17 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:08
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:27:11
Pace11:14 /mi
📊Positive Split: 29.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2826:108:2526:10
8:25
-
10K
6.21 mi11:47:5652:388:2826:28
8:31
+0:06
15K
9.32 mi12:14:431:19:258:3126:47
8:37
+0:06
20K
12.43 mi12:43:111:47:538:4128:28
9:10
+0:33
Half
13.11 mi12:49:261:54:088:426:15
9:10
0:00
25K
15.53 mi13:13:022:17:448:5223:36
9:44
+0:34
30K
18.64 mi13:46:392:51:219:1233:37
10:49
+1:05
20M
20.00 mi14:02:203:07:029:2115:41
11:32
+0:43
21M
21.00 mi14:15:083:19:509:3112:48
12:48
+1:16
35K
21.75 mi14:23:523:28:349:358:44
11:40
-1:08
23M
23.00 mi14:38:433:43:259:4314:51
11:52
+0:12
24M
24.00 mi14:50:333:55:159:4811:50
11:50
-0:02
40K
24.85 mi15:00:464:05:289:5310:13
11:57
+0:07
25.2M
25.20 mi15:05:204:10:029:554:34
13:15
+1:18
Finish
26.22 mi15:16:374:21:199:5811:17
11:04
-2:11

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

8:25 /mi

Average Pace

9:58 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:44

53% of race

Time at Steady Pace

1:21:09

31% of race

Time at Slower Pace

42:26

16% of race

Average Pace: 9:58 /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 mi11:21:2826:108:2526:10
8:25
#17334
10K
6.21 mi11:47:5652:388:2826:28
8:31
#17356
15K
9.32 mi12:14:431:19:258:3126:47
8:37
#17220
20K
12.43 mi12:43:111:47:538:4128:28
9:10
#17405
Half
13.11 mi12:49:261:54:088:426:15
9:10
#17492
25K
15.53 mi13:13:022:17:448:5223:36
9:44
#17669
30K
18.64 mi13:46:392:51:219:1233:37
10:49
#18219
20M
20.00 mi14:02:203:07:029:2115:41
11:32
#18495
21M
21.00 mi14:15:083:19:509:3112:48
12:48
#18641
35K
21.75 mi14:23:523:28:349:358:44
11:40
#18783
23M
23.00 mi14:38:433:43:259:4314:51
11:52
#18859
24M
24.00 mi14:50:333:55:159:4811:50
11:50
#18968
40K
24.85 mi15:00:464:05:289:5310:13
11:57
#19021
25.2M
25.20 mi15:05:204:10:029:554:34
13:15
#19041
Finish
26.22 mi15:16:374:21:199:5811:17
11:04
#19130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17334109301093017073(Top 67%)10855(Top 74%)10855(Top 925%)
10K6.21 mi3.10 mi17356-2210956-2610956-2617394(Top 68%)10993(Top 75%)10993(Top 937%)
15K9.32 mi3.11 mi17220+13610904+5210904+5217073(Top 67%)10855(Top 74%)10855(Top 925%)
20K12.43 mi3.11 mi17405-18510953-4910953-4918044(Top 71%)11284(Top 77%)11284(Top 962%)
Half13.11 mi0.68 mi17492-8710982-2910982-2918912(Top 74%)11589(Top 79%)11589(Top 988%)
25K15.53 mi2.42 mi17669-17711048-6611048-6618328(Top 72%)11282(Top 77%)11282(Top 962%)
30K18.64 mi3.11 mi18219-55011220-17211220-17219567(Top 77%)11641(Top 80%)11641(Top 992%)
20M20.00 mi1.36 mi18495-27611326-10611326-10620480(Top 80%)11956(Top 82%)11956(Top 1019%)
21M21.00 mi1.00 mi18641-14611373-4711373-4720382(Top 80%)11820(Top 81%)11820(Top 1008%)
35K21.75 mi0.75 mi18783-14211415-4211415-4221203(Top 83%)12208(Top 84%)12208(Top 1041%)
23M23.00 mi1.25 mi18859-7611435-2011435-2020429(Top 80%)11777(Top 81%)11777(Top 1004%)
24M24.00 mi1.00 mi18968-10911463-2811463-2821074(Top 82%)12055(Top 83%)12055(Top 1028%)
40K24.85 mi0.85 mi19021-5311466-311466-320336(Top 80%)11607(Top 80%)11607(Top 990%)
25.2M25.20 mi0.35 mi19041-2011476-1011476-1020173(Top 79%)11524(Top 79%)11524(Top 982%)
Finish26.22 mi1.02 mi19130-8911496-2011496-2021505(Top 84%)12248(Top 84%)12248(Top 1044%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17073

Males

10855

M60-64

10855

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

17394

Males

10993

M60-64

10993

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17073

Males

10855

M60-64

10855

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18044

Males

11284

M60-64

11284

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

18912

Males

11589

M60-64

11589

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

18328

Males

11282

M60-64

11282

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

19567

Males

11641

M60-64

11641

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

20480

Males

11956

M60-64

11956

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

20382

Males

11820

M60-64

11820

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

21203

Males

12208

M60-64

12208

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

20429

Males

11777

M60-64

11777

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21074

Males

12055

M60-64

12055

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

20336

Males

11607

M60-64

11607

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20173

Males

11524

M60-64

11524

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

21505

Males

12248

M60-64

12248

Passing Analysis

Category:
Athletes Passed
1420
Passed By
3216
Net Change
-1796
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17334
5K → 10K267289-22#17334#17356
10K → 15K321185+136#17356#17220
15K → 20K201386-185#17220#17405
20K → Half26113-87#17405#17492
Half → 25K143320-177#17492#17669
25K → 30K111661-550#17669#18219
30K → 20M41317-276#18219#18495
20M → 21M56202-146#18495#18641
21M → 35K30172-142#18641#18783
35K → 23M79155-76#18783#18859
23M → 24M38147-109#18859#18968
24M → 40K4598-53#18968#19021
40K → 25.2M2343-20#19021#19041
25.2M → Finish39128-89#19041#19130
TOTALS14203216-1796
📊

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