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BOSTON MARATHON 2023

Martin Karad

TX

Bib: 12861 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:57/mi
24:43
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:02/mi
49:41
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:12/mi
1:15:10
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:35/mi
1:41:49
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:17/mi
1:47:28
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:27/mi
2:07:58
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:55/mi
2:35:40
↑ 181↓ 1480.2%
138 ft elev
20M
8:57/mi
2:47:50
↑ 64↓ 500.2%
148 ft elev
21M
10:33/mi
2:58:23
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:37/mi
3:04:50
↑ 17↓ 861.7%
156 ft elev
23M
10:01/mi
3:17:23
↑ 23↓ 630.6%
116 ft elev
24M
10:05/mi
3:27:28
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:27/mi
3:36:24
↓ 200.3%
20 ft elev
25.2M
12:17/mi
3:40:38
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:06/mi
3:49:54
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:28
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time2:02:26
Pace9:20 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3324:437:5724:43
7:57
-
10K
6.21 mi11:20:3149:418:0024:58
8:02
+0:05
15K
9.32 mi11:46:001:15:108:0425:29
8:12
+0:10
20K
12.43 mi12:12:391:41:498:1226:39
8:35
+0:23
Half
13.11 mi12:18:181:47:288:125:39
8:17
-0:18
25K
15.53 mi12:38:482:07:588:1420:30
8:27
+0:10
30K
18.64 mi13:06:302:35:408:2127:42
8:55
+0:28
20M
20.00 mi13:18:402:47:508:2312:10
8:57
+0:02
21M
21.00 mi13:29:132:58:238:3010:33
10:33
+1:36
35K
21.75 mi13:35:403:04:508:306:27
8:37
-1:56
23M
23.00 mi13:48:133:17:238:3512:33
10:01
+1:24
24M
24.00 mi13:58:183:27:288:3910:05
10:05
+0:04
40K
24.85 mi14:07:143:36:248:428:56
10:27
+0:22
25.2M
25.20 mi14:11:283:40:388:454:14
12:17
+1:50
Finish
26.22 mi14:20:443:49:548:469:16
9:06
-3:11

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

7:57 /mi

Average Pace

8:46 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:49

35% of race

Time at Steady Pace

1:42:44

45% of race

Time at Slower Pace

46:21

20% of race

Average Pace: 8:46 /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 mi10:55:3324:437:5724:43
7:57
#13685
10K
6.21 mi11:20:3149:418:0024:58
8:02
#14357
15K
9.32 mi11:46:001:15:108:0425:29
8:12
#14855
20K
12.43 mi12:12:391:41:498:1226:39
8:35
#15524
Half
13.11 mi12:18:181:47:288:125:39
8:17
#15563
25K
15.53 mi12:38:482:07:588:1420:30
8:27
#15602
30K
18.64 mi13:06:302:35:408:2127:42
8:55
#15811
20M
20.00 mi13:18:402:47:508:2312:10
8:57
#15843
21M
21.00 mi13:29:132:58:238:3010:33
10:33
#16145
35K
21.75 mi13:35:403:04:508:306:27
8:37
#16130
23M
23.00 mi13:48:133:17:238:3512:33
10:01
#16467
24M
24.00 mi13:58:183:27:288:3910:05
10:05
#16776
40K
24.85 mi14:07:143:36:248:428:56
10:27
#17042
25.2M
25.20 mi14:11:283:40:388:454:14
12:17
#17237
Finish
26.22 mi14:20:443:49:548:469:16
9:06
#17324
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi136859836983615874(Top 60%)10644(Top 70%)10644(Top 473%)
10K6.21 mi3.10 mi14357-67210078-24210078-24215059(Top 57%)10333(Top 68%)10333(Top 459%)
15K9.32 mi3.11 mi14855-49810266-18810266-18815874(Top 60%)10644(Top 70%)10644(Top 473%)
20K12.43 mi3.11 mi15524-66910501-23510501-23517333(Top 65%)11187(Top 74%)11187(Top 497%)
Half13.11 mi0.68 mi15563-3910508-710508-716340(Top 61%)10826(Top 71%)10826(Top 481%)
25K15.53 mi2.42 mi15602-3910490+1810490+1815929(Top 60%)10514(Top 69%)10514(Top 467%)
30K18.64 mi3.11 mi15811-20910533-4310533-4316731(Top 63%)10799(Top 71%)10799(Top 480%)
20M20.00 mi1.36 mi15843-3210516+1710516+1716281(Top 61%)10527(Top 69%)10527(Top 467%)
21M21.00 mi1.00 mi16145-30210623-10710623-10719726(Top 74%)11922(Top 79%)11922(Top 529%)
35K21.75 mi0.75 mi16130+1510594+2910594+2915955(Top 60%)10278(Top 68%)10278(Top 456%)
23M23.00 mi1.25 mi16467-33710735-14110735-14120043(Top 75%)12036(Top 79%)12036(Top 534%)
24M24.00 mi1.00 mi16776-30910846-11110846-11121009(Top 79%)12431(Top 82%)12431(Top 552%)
40K24.85 mi0.85 mi17042-26610936-9010936-9021075(Top 79%)12391(Top 82%)12391(Top 550%)
25.2M25.20 mi0.35 mi17237-19511017-8111017-8122912(Top 86%)13270(Top 87%)13270(Top 589%)
Finish26.22 mi1.02 mi17324-8711048-3111048-3118422(Top 69%)11273(Top 74%)11273(Top 501%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15874

Males

10644

M45-49

10644

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15059

Males

10333

M45-49

10333

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15874

Males

10644

M45-49

10644

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17333

Males

11187

M45-49

11187

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16340

Males

10826

M45-49

10826

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15929

Males

10514

M45-49

10514

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16731

Males

10799

M45-49

10799

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16281

Males

10527

M45-49

10527

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19726

Males

11922

M45-49

11922

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15955

Males

10278

M45-49

10278

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

20043

Males

12036

M45-49

12036

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

21009

Males

12431

M45-49

12431

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21075

Males

12391

M45-49

12391

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22912

Males

13270

M45-49

13270

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18422

Males

11273

M45-49

11273

Passing Analysis

Category:
Athletes Passed
681
Passed By
4320
Net Change
-3639
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13685
5K → 10K80752-672#13685#14357
10K → 15K62560-498#14357#14855
15K → 20K46715-669#14855#15524
20K → Half1655-39#15524#15563
Half → 25K138177-39#15563#15602
25K → 30K100309-209#15602#15811
30K → 20M83115-32#15811#15843
20M → 21M22324-302#15843#16145
21M → 35K5944+15#16145#16130
35K → 23M17354-337#16130#16467
23M → 24M13322-309#16467#16776
24M → 40K14280-266#16776#17042
40K → 25.2M1196-195#17042#17237
25.2M → Finish30117-87#17237#17324
TOTALS6814320-3639
📊

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