Boston Marathon logo
BOSTON MARATHON 2024

Larry Blackmore

Bib: 23020•M

NS

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
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
9:09/mi
28:26
↑ 97↓ 3451.5%
10K· 6.21 mi
9:17/mi
57:17
↑ 79↓ 1380.4%
15K· 9.32 mi
9:33/mi
1:26:56
↑ 67↓ 78
20K· 12.43 mi
10:06/mi
1:58:20
↑ 106↓ 860.1%
Half· 13.11 mi
9:55/mi
2:05:06
↑ 19↓ 370.5%
25K· 15.53 mi
13:53/mi
2:38:45
↑ 66↓ 880.2%
30K· 18.64 mi
16:10/mi
3:28:58
↑ 181↓ 1480.2%
20M
17:08/mi
3:52:15
↑ 64↓ 500.2%
21M
17:58/mi
4:10:13
↑ 106↓ 241.6%
35K· 21.75 mi
17:05/mi
4:23:00
↑ 17↓ 861.7%
23M
17:19/mi
4:44:41
↑ 23↓ 630.6%
24M
17:17/mi
5:01:58
↓ 821.3%
40K· 24.85 mi
17:49/mi
5:17:12
↓ 200.3%
25.2M
19:31/mi
5:23:56
↑ 13↓ 160.2%
Finish· 26.22 mi
17:04/mi
5:41:19
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:06
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time3:36:13
Pace16:30 /mi
📊Positive Split: 72.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:4728:269:0928:26
9:09
-
10K
6.21 mi11:57:3857:179:1328:51
9:17
+0:08
15K
9.32 mi12:27:171:26:569:2029:39
9:33
+0:16
20K
12.43 mi12:58:411:58:209:3131:24
10:06
+0:33
Half
13.11 mi13:05:272:05:069:336:46
9:55
-0:11
25K
15.53 mi13:39:062:38:4510:1333:39
13:53
+3:58
30K
18.64 mi14:29:193:28:5811:1350:13
16:10
+2:17
20M
20.00 mi14:52:363:52:1511:3723:17
17:08
+0:58
21M
21.00 mi15:10:344:10:1311:5517:58
17:58
+0:50
35K
21.75 mi15:23:214:23:0012:0612:47
17:05
-0:53
23M
23.00 mi15:45:024:44:4112:2321:41
17:19
+0:14
24M
24.00 mi16:02:195:01:5812:3517:17
17:17
-0:02
40K
24.85 mi16:17:335:17:1212:4615:14
17:49
+0:32
25.2M
25.20 mi16:24:175:23:5612:516:44
19:31
+1:42
Finish
26.22 mi16:41:405:41:1913:0217:23
17:04
-2:27

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

9:09 /mi

Average Pace

13:02 /mi

Slowest Pace

19:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:45

47% of race

Time at Steady Pace

2:55:50

52% of race

Time at Slower Pace

6:44

2% of race

Average Pace: 13:01 /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 mi11:28:4728:269:0928:26
9:09
#20643
10K
6.21 mi11:57:3857:179:1328:51
9:17
#20687
15K
9.32 mi12:27:171:26:569:2029:39
9:33
#20728
20K
12.43 mi12:58:411:58:209:3131:24
10:06
#20759
Half
13.11 mi13:05:272:05:069:336:46
9:55
#20765
25K
15.53 mi13:39:062:38:4510:1333:39
13:53
#22024
30K
18.64 mi14:29:193:28:5811:1350:13
16:10
#23349
20M
20.00 mi14:52:363:52:1511:3723:17
17:08
#23716
21M
21.00 mi15:10:344:10:1311:5517:58
17:58
#23873
35K
21.75 mi15:23:214:23:0012:0612:47
17:05
#24000
23M
23.00 mi15:45:024:44:4112:2321:41
17:19
#24229
24M
24.00 mi16:02:195:01:5812:3517:17
17:17
#24404
40K
24.85 mi16:17:335:17:1212:4615:14
17:49
#24544
25.2M
25.20 mi16:24:175:23:5612:516:44
19:31
#24602
Finish
26.22 mi16:41:405:41:1913:0217:23
17:04
#24777
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20643123711237120791(Top 81%)12535(Top 86%)12535(Top 2032%)
10K6.21 mi3.10 mi20687-4412431-6012431-6020744(Top 81%)12480(Top 86%)12480(Top 2023%)
15K9.32 mi3.11 mi20728-4112475-4412475-4420791(Top 81%)12535(Top 86%)12535(Top 2032%)
20K12.43 mi3.11 mi20759-3112493-1812493-1820806(Top 81%)12519(Top 86%)12519(Top 2029%)
Half13.11 mi0.68 mi20765-612492+112492+121270(Top 83%)12683(Top 87%)12683(Top 2056%)
25K15.53 mi2.42 mi22024-125913034-54213034-54224857(Top 97%)14258(Top 98%)14258(Top 2311%)
30K18.64 mi3.11 mi23349-132513625-59113625-59125359(Top 99%)14468(Top 99%)14468(Top 2345%)
20M20.00 mi1.36 mi23716-36713795-17013795-17025382(Top 99%)14471(Top 99%)14471(Top 2345%)
21M21.00 mi1.00 mi23873-15713844-4913844-4925278(Top 99%)14397(Top 99%)14397(Top 2333%)
35K21.75 mi0.75 mi24000-12713898-5413898-5425341(Top 99%)14440(Top 99%)14440(Top 2340%)
23M23.00 mi1.25 mi24229-22914000-10214000-10225358(Top 99%)14448(Top 99%)14448(Top 2342%)
24M24.00 mi1.00 mi24404-17514076-7614076-7625351(Top 99%)14428(Top 99%)14428(Top 2338%)
40K24.85 mi0.85 mi24544-14014124-4814124-4825327(Top 99%)14413(Top 99%)14413(Top 2336%)
25.2M25.20 mi0.35 mi24602-5814142-1814142-1825316(Top 99%)14412(Top 99%)14412(Top 2336%)
Finish26.22 mi1.02 mi24777-17514210-6814210-6825416(Top 99%)14473(Top 99%)14473(Top 2346%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

20791

Males

12535

M65-69

12535

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

20744

Males

12480

M65-69

12480

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

20791

Males

12535

M65-69

12535

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

20806

Males

12519

M65-69

12519

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

21270

Males

12683

M65-69

12683

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

24857

Males

14258

M65-69

14258

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

25359

Males

14468

M65-69

14468

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

25382

Males

14471

M65-69

14471

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

25278

Males

14397

M65-69

14397

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

25341

Males

14440

M65-69

14440

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

25358

Males

14448

M65-69

14448

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

25351

Males

14428

M65-69

14428

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

25327

Males

14413

M65-69

14413

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

25316

Males

14412

M65-69

14412

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

25416

Males

14473

M65-69

14473

Passing Analysis

Category:
Athletes Passed
724
Passed By
4858
Net Change
-4134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20643
5K → 10K241285-44#20643#20687
10K → 15K194235-41#20687#20728
15K → 20K169200-31#20728#20759
20K → Half3440-6#20759#20765
Half → 25K161275-1259#20765#22024
25K → 30K71332-1325#22024#23349
30K → 20M15382-367#23349#23716
20M → 21M18175-157#23716#23873
21M → 35K9136-127#23873#24000
35K → 23M10239-229#24000#24229
23M → 24M1176-175#24229#24404
24M → 40K6146-140#24404#24544
40K → 25.2M058-58#24544#24602
25.2M → Finish4179-175#24602#24777
TOTALS7244858-4134
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing