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BOSTON MARATHON 2024

Lynton Karfor

Bib: 10676•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M45-49)
#0 / 2218
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
8:28/mi
26:18
↑ 97↓ 3451.5%
10K· 6.21 mi
8:31/mi
52:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:19:24
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:46:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:30/mi
1:52:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:13:45
↑ 66↓ 880.2%
30K· 18.64 mi
9:16/mi
2:42:33
↑ 181↓ 1480.2%
20M
10:40/mi
2:57:03
↑ 64↓ 500.2%
21M
13:10/mi
3:10:13
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
3:17:04
↑ 17↓ 861.7%
23M
12:13/mi
3:32:22
↑ 23↓ 630.6%
24M
9:42/mi
3:42:04
↓ 821.3%
40K· 24.85 mi
10:02/mi
3:50:39
↓ 200.3%
25.2M
10:47/mi
3:54:22
↑ 13↓ 160.2%
Finish· 26.22 mi
9:22/mi
4:03:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:03
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:11:52
Pace10:04 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3026:188:2826:18
8:28
-
10K
6.21 mi11:19:5852:468:3026:28
8:31
+0:03
15K
9.32 mi11:46:361:19:248:3126:38
8:34
+0:03
20K
12.43 mi12:13:271:46:158:3326:51
8:39
+0:05
Half
13.11 mi12:19:151:52:038:335:48
8:30
-0:09
25K
15.53 mi12:40:572:13:458:3721:42
8:57
+0:27
30K
18.64 mi13:09:452:42:338:4328:48
9:16
+0:19
20M
20.00 mi13:24:152:57:038:5114:30
10:40
+1:24
21M
21.00 mi13:37:253:10:139:0313:10
13:10
+2:30
35K
21.75 mi13:44:163:17:049:046:51
9:09
-4:01
23M
23.00 mi13:59:343:32:229:1415:18
12:13
+3:04
24M
24.00 mi14:09:163:42:049:159:42
9:42
-2:31
40K
24.85 mi14:17:513:50:399:178:35
10:02
+0:20
25.2M
25.20 mi14:21:343:54:229:183:43
10:47
+0:45
Finish
26.22 mi14:31:074:03:559:199:33
9:22
-1:25

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

8:28 /mi

Average Pace

9:19 /mi

Slowest Pace

13:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:12

35% of race

Time at Steady Pace

1:43:27

42% of race

Time at Slower Pace

55:16

23% of race

Average Pace: 9:18 /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 mi10:53:3026:188:2826:18
8:28
#17577
10K
6.21 mi11:19:5852:468:3026:28
8:31
#17476
15K
9.32 mi11:46:361:19:248:3126:38
8:34
#17203
20K
12.43 mi12:13:271:46:158:3326:51
8:39
#16706
Half
13.11 mi12:19:151:52:038:335:48
8:30
#16645
25K
15.53 mi12:40:572:13:458:3721:42
8:57
#16345
30K
18.64 mi13:09:452:42:338:4328:48
9:16
#16009
20M
20.00 mi13:24:152:57:038:5114:30
10:40
#16266
21M
21.00 mi13:37:253:10:139:0313:10
13:10
#16812
35K
21.75 mi13:44:163:17:049:046:51
9:09
#16688
23M
23.00 mi13:59:343:32:229:1415:18
12:13
#17146
24M
24.00 mi14:09:163:42:049:159:42
9:42
#17073
40K
24.85 mi14:17:513:50:399:178:35
10:02
#16986
25.2M
25.20 mi14:21:343:54:229:183:43
10:47
#16911
Finish
26.22 mi14:31:074:03:559:199:33
9:22
#16846
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi17577110241102416789(Top 66%)10732(Top 74%)10732(Top 484%)
10K6.21 mi3.10 mi17476+10111001+2311001+2317389(Top 68%)10988(Top 75%)10988(Top 495%)
15K9.32 mi3.11 mi17203+27310894+10710894+10716789(Top 66%)10732(Top 74%)10732(Top 484%)
20K12.43 mi3.11 mi16706+49710673+22110673+22115531(Top 61%)10184(Top 70%)10184(Top 459%)
Half13.11 mi0.68 mi16645+6110652+2110652+2115710(Top 61%)10215(Top 70%)10215(Top 461%)
25K15.53 mi2.42 mi16345+30010501+15110501+15115294(Top 60%)9929(Top 68%)9929(Top 448%)
30K18.64 mi3.11 mi16009+33610298+20310298+20314488(Top 57%)9326(Top 64%)9326(Top 420%)
20M20.00 mi1.36 mi16266-25710364-6610364-6618481(Top 72%)10996(Top 75%)10996(Top 496%)
21M21.00 mi1.00 mi16812-54610558-19410558-19421018(Top 82%)12169(Top 83%)12169(Top 549%)
35K21.75 mi0.75 mi16688+12410485+7310485+7314065(Top 55%)8683(Top 60%)8683(Top 391%)
23M23.00 mi1.25 mi17146-45810654-16910654-16921181(Top 83%)12162(Top 83%)12162(Top 548%)
24M24.00 mi1.00 mi17073+7310599+5510599+5515260(Top 60%)9143(Top 63%)9143(Top 412%)
40K24.85 mi0.85 mi16986+8710519+8010519+8015127(Top 59%)9028(Top 62%)9028(Top 407%)
25.2M25.20 mi0.35 mi16911+7510469+5010469+5013750(Top 54%)8299(Top 57%)8299(Top 374%)
Finish26.22 mi1.02 mi16846+6510412+5710412+5715934(Top 62%)9424(Top 65%)9424(Top 425%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

16789

Males

10732

M45-49

10732

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

17389

Males

10988

M45-49

10988

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

16789

Males

10732

M45-49

10732

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

15531

Males

10184

M45-49

10184

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

15710

Males

10215

M45-49

10215

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15294

Males

9929

M45-49

9929

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

14488

Males

9326

M45-49

9326

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

18481

Males

10996

M45-49

10996

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21018

Males

12169

M45-49

12169

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14065

Males

8683

M45-49

8683

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

21181

Males

12162

M45-49

12162

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

15260

Males

9143

M45-49

9143

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15127

Males

9028

M45-49

9028

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

13750

Males

8299

M45-49

8299

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

15934

Males

9424

M45-49

9424

Passing Analysis

Category:
Athletes Passed
2790
Passed By
2059
Net Change
+731
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17577
5K → 10K333232+101#17577#17476
10K → 15K395122+273#17476#17203
15K → 20K54952+497#17203#16706
20K → Half7716+61#16706#16645
Half → 25K36666+300#16645#16345
25K → 30K42791+336#16345#16009
30K → 20M57314-257#16009#16266
20M → 21M9555-546#16266#16812
21M → 35K1339+124#16812#16688
35K → 23M27485-458#16688#17146
23M → 24M11946+73#17146#17073
24M → 40K12134+87#17073#16986
40K → 25.2M794+75#16986#16911
25.2M → Finish9833+65#16911#16846
TOTALS27902059+731
📊

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