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BOSTON MARATHON 2023

Ali Arsan

Bib: 6638•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:28/mi
23:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
48:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:35/mi
1:15:28
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:42:19
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:48:04
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:09:47
↑ 66↓ 880.2%
30K· 18.64 mi
9:02/mi
2:37:52
↑ 181↓ 1480.2%
20M
9:05/mi
2:50:12
↑ 64↓ 500.2%
21M
9:51/mi
3:00:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
3:06:13
↑ 17↓ 861.7%
23M
8:48/mi
3:17:14
↑ 23↓ 630.6%
24M
8:37/mi
3:25:51
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:33:23
↓ 200.3%
25.2M
9:34/mi
3:36:41
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:45:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:04
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:57:07
Pace8:56 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2023:117:2823:11
7:28
-
10K
6.21 mi10:51:5748:487:5125:37
8:15
+0:47
15K
9.32 mi11:18:371:15:288:0626:40
8:35
+0:20
20K
12.43 mi11:45:281:42:198:1426:51
8:39
+0:04
Half
13.11 mi11:51:131:48:048:155:45
8:26
-0:13
25K
15.53 mi12:12:562:09:478:2121:43
8:57
+0:31
30K
18.64 mi12:41:012:37:528:2828:05
9:02
+0:05
20M
20.00 mi12:53:212:50:128:3112:20
9:05
+0:03
21M
21.00 mi13:03:123:00:038:349:51
9:51
+0:46
35K
21.75 mi13:09:223:06:138:346:10
8:15
-1:36
23M
23.00 mi13:20:233:17:148:3511:01
8:48
+0:33
24M
24.00 mi13:29:003:25:518:358:37
8:37
-0:11
40K
24.85 mi13:36:323:33:238:357:32
8:49
+0:12
25.2M
25.20 mi13:39:503:36:418:363:18
9:34
+0:45
Finish
26.22 mi13:48:203:45:118:368:30
8:20
-1:14

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

7:28 /mi

Average Pace

8:36 /mi

Slowest Pace

9:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:28

28% of race

Time at Steady Pace

1:26:26

38% of race

Time at Slower Pace

1:15:17

33% of race

Average Pace: 8:35 /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 mi10:26:2023:117:2823:11
7:28
#9317
10K
6.21 mi10:51:5748:487:5125:37
8:15
#13213
15K
9.32 mi11:18:371:15:288:0626:40
8:35
#15105
20K
12.43 mi11:45:281:42:198:1426:51
8:39
#15803
Half
13.11 mi11:51:131:48:048:155:45
8:26
#15874
25K
15.53 mi12:12:562:09:478:2121:43
8:57
#16435
30K
18.64 mi12:41:012:37:528:2828:05
9:02
#16584
20M
20.00 mi12:53:212:50:128:3112:20
9:05
#16596
21M
21.00 mi13:03:123:00:038:349:51
9:51
#16650
35K
21.75 mi13:09:223:06:138:346:10
8:15
#16532
23M
23.00 mi13:20:233:17:148:3511:01
8:48
#16418
24M
24.00 mi13:29:003:25:518:358:37
8:37
#16359
40K
24.85 mi13:36:323:33:238:357:32
8:49
#16284
25.2M
25.20 mi13:39:503:36:418:363:18
9:34
#16268
Finish
26.22 mi13:48:203:45:118:368:30
8:20
#16215
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi93177769776918319(Top 69%)11609(Top 76%)11609(Top 566%)
10K6.21 mi3.10 mi13213-38969626-18579626-185716552(Top 62%)10921(Top 72%)10921(Top 532%)
15K9.32 mi3.11 mi15105-189210358-73210358-73218319(Top 69%)11609(Top 76%)11609(Top 566%)
20K12.43 mi3.11 mi15803-69810601-24310601-24317744(Top 67%)11353(Top 75%)11353(Top 553%)
Half13.11 mi0.68 mi15874-7110622-2110622-2117249(Top 65%)11180(Top 74%)11180(Top 545%)
25K15.53 mi2.42 mi16435-56110815-19310815-19318731(Top 70%)11728(Top 77%)11728(Top 572%)
30K18.64 mi3.11 mi16584-14910829-1410829-1417377(Top 65%)11064(Top 73%)11064(Top 539%)
20M20.00 mi1.36 mi16596-1210822+710822+716904(Top 63%)10786(Top 71%)10786(Top 526%)
21M21.00 mi1.00 mi16650-5410841-1910841-1917423(Top 65%)10958(Top 72%)10958(Top 534%)
35K21.75 mi0.75 mi16532+11810776+6510776+6513740(Top 52%)9313(Top 61%)9313(Top 454%)
23M23.00 mi1.25 mi16418+11410716+6010716+6014976(Top 56%)9804(Top 65%)9804(Top 478%)
24M24.00 mi1.00 mi16359+5910674+4210674+4215147(Top 57%)9819(Top 65%)9819(Top 479%)
40K24.85 mi0.85 mi16284+7510618+5610618+5615123(Top 57%)9744(Top 64%)9744(Top 475%)
25.2M25.20 mi0.35 mi16268+1610606+1210606+1215461(Top 58%)9882(Top 65%)9882(Top 482%)
Finish26.22 mi1.02 mi16215+5310581+2510581+2514337(Top 54%)9409(Top 62%)9409(Top 459%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18319

Males

11609

M50-54

11609

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16552

Males

10921

M50-54

10921

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18319

Males

11609

M50-54

11609

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17744

Males

11353

M50-54

11353

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17249

Males

11180

M50-54

11180

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18731

Males

11728

M50-54

11728

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17377

Males

11064

M50-54

11064

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16904

Males

10786

M50-54

10786

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17423

Males

10958

M50-54

10958

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13740

Males

9313

M50-54

9313

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14976

Males

9804

M50-54

9804

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15147

Males

9819

M50-54

9819

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15123

Males

9744

M50-54

9744

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15461

Males

9882

M50-54

9882

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14337

Males

9409

M50-54

9409

Passing Analysis

Category:
Athletes Passed
993
Passed By
7889
Net Change
-6898
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9317
5K → 10K33897-3896#9317#13213
10K → 15K91901-1892#13213#15105
15K → 20K46744-698#15105#15803
20K → Half1788-71#15803#15874
Half → 25K40601-561#15874#16435
25K → 30K141290-149#16435#16584
30K → 20M7890-12#16584#16596
20M → 21M65119-54#16596#16650
21M → 35K1235+118#16650#16532
35K → 23M14127+114#16532#16418
23M → 24M9637+59#16418#16359
24M → 40K11035+75#16359#16284
40K → 25.2M3822+16#16284#16268
25.2M → Finish8633+53#16268#16215
TOTALS9937889-6898
📊

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