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BOSTON MARATHON 2024

James Jacobi

Bib: 20776•M

IN

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:33/mi
26:34
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:43/mi
1:20:31
↑ 67↓ 78
20K· 12.43 mi
9:02/mi
1:48:35
↑ 106↓ 860.1%
Half· 13.11 mi
9:08/mi
1:54:49
↑ 19↓ 370.5%
25K· 15.53 mi
9:31/mi
2:17:54
↑ 66↓ 880.2%
30K· 18.64 mi
10:01/mi
2:49:00
↑ 181↓ 1480.2%
20M
10:34/mi
3:03:21
↑ 64↓ 500.2%
21M
11:42/mi
3:15:03
↑ 106↓ 241.6%
35K· 21.75 mi
10:54/mi
3:23:12
↑ 17↓ 861.7%
23M
12:06/mi
3:38:21
↑ 23↓ 630.6%
24M
11:26/mi
3:49:47
↓ 821.3%
40K· 24.85 mi
11:59/mi
4:00:02
↓ 200.3%
25.2M
13:32/mi
4:04:42
↑ 13↓ 160.2%
Finish· 26.22 mi
10:55/mi
4:15:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:49
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:21:00
Pace10:45 /mi
📊Positive Split: 22.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5726:348:3326:34
8:33
-
10K
6.21 mi11:47:4853:258:3626:51
8:39
+0:06
15K
9.32 mi12:14:541:20:318:3827:06
8:43
+0:04
20K
12.43 mi12:42:581:48:358:4428:04
9:02
+0:19
Half
13.11 mi12:49:121:54:498:456:14
9:08
+0:06
25K
15.53 mi13:12:172:17:548:5323:05
9:31
+0:23
30K
18.64 mi13:43:232:49:009:0431:06
10:01
+0:30
20M
20.00 mi13:57:443:03:219:1014:21
10:34
+0:33
21M
21.00 mi14:09:263:15:039:1711:42
11:42
+1:08
35K
21.75 mi14:17:353:23:129:218:09
10:54
-0:48
23M
23.00 mi14:32:443:38:219:3015:09
12:06
+1:12
24M
24.00 mi14:44:103:49:479:3411:26
11:26
-0:40
40K
24.85 mi14:54:254:00:029:3910:15
11:59
+0:33
25.2M
25.20 mi14:59:054:04:429:434:40
13:32
+1:33
Finish
26.22 mi15:10:124:15:499:4611:07
10:55
-2:37

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

8:33 /mi

Average Pace

9:46 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:54

54% of race

Time at Steady Pace

1:04:43

25% of race

Time at Slower Pace

53:12

21% of race

Average Pace: 9:45 /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 mi11:20:5726:348:3326:34
8:33
#18050
10K
6.21 mi11:47:4853:258:3626:51
8:39
#18053
15K
9.32 mi12:14:541:20:318:3827:06
8:43
#17869
20K
12.43 mi12:42:581:48:358:4428:04
9:02
#17707
Half
13.11 mi12:49:121:54:498:456:14
9:08
#17772
25K
15.53 mi13:12:172:17:548:5323:05
9:31
#17724
30K
18.64 mi13:43:232:49:009:0431:06
10:01
#17658
20M
20.00 mi13:57:443:03:219:1014:21
10:34
#17741
21M
21.00 mi14:09:263:15:039:1711:42
11:42
#17804
35K
21.75 mi14:17:353:23:129:218:09
10:54
#17902
23M
23.00 mi14:32:443:38:219:3015:09
12:06
#18128
24M
24.00 mi14:44:103:49:479:3411:26
11:26
#18242
40K
24.85 mi14:54:254:00:029:3910:15
11:59
#18353
25.2M
25.20 mi14:59:054:04:429:434:40
13:32
#18389
Finish
26.22 mi15:10:124:15:499:4611:07
10:55
#18457
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18050112231122317600(Top 69%)11075(Top 76%)11075(Top 944%)
10K6.21 mi3.10 mi18053-311241-1811241-1818074(Top 71%)11266(Top 77%)11266(Top 960%)
15K9.32 mi3.11 mi17869+18411172+6911172+6917600(Top 69%)11075(Top 76%)11075(Top 944%)
20K12.43 mi3.11 mi17707+16211090+8211090+8217479(Top 68%)11025(Top 76%)11025(Top 940%)
Half13.11 mi0.68 mi17772-6511113-2311113-2318814(Top 74%)11544(Top 79%)11544(Top 984%)
25K15.53 mi2.42 mi17724+4811071+4211071+4217625(Top 69%)10978(Top 75%)10978(Top 936%)
30K18.64 mi3.11 mi17658+6610988+8310988+8317373(Top 68%)10621(Top 73%)10621(Top 905%)
20M20.00 mi1.36 mi17741-8310989-110989-118129(Top 71%)10819(Top 74%)10819(Top 922%)
21M21.00 mi1.00 mi17804-6310974+1510974+1518119(Top 71%)10699(Top 73%)10699(Top 912%)
35K21.75 mi0.75 mi17902-9811002-2811002-2819553(Top 77%)11402(Top 78%)11402(Top 972%)
23M23.00 mi1.25 mi18128-22611095-9311095-9320928(Top 82%)12031(Top 83%)12031(Top 1026%)
24M24.00 mi1.00 mi18242-11411118-2311118-2320271(Top 79%)11661(Top 80%)11661(Top 994%)
40K24.85 mi0.85 mi18353-11111160-4211160-4220411(Top 80%)11647(Top 80%)11647(Top 993%)
25.2M25.20 mi0.35 mi18389-3611169-911169-920752(Top 81%)11819(Top 81%)11819(Top 1008%)
Finish26.22 mi1.02 mi18457-6811170-111170-121112(Top 83%)12044(Top 83%)12044(Top 1027%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

17600

Males

11075

M60-64

11075

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18074

Males

11266

M60-64

11266

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

17600

Males

11075

M60-64

11075

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

17479

Males

11025

M60-64

11025

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

18814

Males

11544

M60-64

11544

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

17625

Males

10978

M60-64

10978

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

17373

Males

10621

M60-64

10621

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18129

Males

10819

M60-64

10819

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18119

Males

10699

M60-64

10699

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

19553

Males

11402

M60-64

11402

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

20928

Males

12031

M60-64

12031

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

20271

Males

11661

M60-64

11661

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

20411

Males

11647

M60-64

11647

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

20752

Males

11819

M60-64

11819

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

21112

Males

12044

M60-64

12044

Passing Analysis

Category:
Athletes Passed
1868
Passed By
2275
Net Change
-407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18050
5K → 10K276279-3#18050#18053
10K → 15K327143+184#18053#17869
15K → 20K327165+162#17869#17707
20K → Half2287-65#17707#17772
Half → 25K223175+48#17772#17724
25K → 30K278212+66#17724#17658
30K → 20M97180-83#17658#17741
20M → 21M81144-63#17741#17804
21M → 35K40138-98#17804#17902
35K → 23M54280-226#17902#18128
23M → 24M39153-114#18128#18242
24M → 40K28139-111#18242#18353
40K → 25.2M2763-36#18353#18389
25.2M → Finish49117-68#18389#18457
TOTALS18682275-407
📊

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