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BOSTON MARATHON 2023

Evan Stark

Bib: 4678•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Division (M18-39)
#0 / 5285
Top 42%
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
6:45/mi
20:57
↑ 97↓ 3451.5%
10K· 6.21 mi
6:38/mi
41:33
↑ 79↓ 1380.4%
15K· 9.32 mi
6:39/mi
1:02:12
↑ 67↓ 78
20K· 12.43 mi
6:44/mi
1:23:07
↑ 106↓ 860.1%
Half· 13.11 mi
6:34/mi
1:27:36
↑ 19↓ 370.5%
25K· 15.53 mi
6:39/mi
1:43:44
↑ 66↓ 880.2%
30K· 18.64 mi
6:51/mi
2:05:00
↑ 181↓ 1480.2%
20M
6:54/mi
2:14:23
↑ 64↓ 500.2%
21M
7:14/mi
2:21:37
↑ 106↓ 241.6%
35K· 21.75 mi
6:26/mi
2:26:26
↑ 17↓ 861.7%
23M
6:47/mi
2:34:56
↑ 23↓ 630.6%
24M
6:45/mi
2:41:41
↓ 821.3%
40K· 24.85 mi
6:53/mi
2:47:34
↓ 200.3%
25.2M
7:15/mi
2:50:04
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
2:56:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:36
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:29:10
Pace6:48 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4220:576:4520:57
6:45
-
10K
6.21 mi10:43:1841:336:4120:36
6:38
-0:07
15K
9.32 mi11:03:571:02:126:4020:39
6:39
+0:01
20K
12.43 mi11:24:521:23:076:4120:55
6:44
+0:05
Half
13.11 mi11:29:211:27:366:414:29
6:34
-0:10
25K
15.53 mi11:45:291:43:446:4116:08
6:39
+0:05
30K
18.64 mi12:06:452:05:006:4221:16
6:51
+0:12
20M
20.00 mi12:16:082:14:236:439:23
6:54
+0:03
21M
21.00 mi12:23:222:21:376:457:14
7:14
+0:20
35K
21.75 mi12:28:112:26:266:444:49
6:26
-0:48
23M
23.00 mi12:36:412:34:566:448:30
6:47
+0:21
24M
24.00 mi12:43:262:41:416:446:45
6:45
-0:02
40K
24.85 mi12:49:192:47:346:455:53
6:53
+0:08
25.2M
25.20 mi12:51:492:50:046:452:30
7:15
+0:22
Finish
26.22 mi12:58:312:56:466:456:42
6:34
-0:41

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

6:26 /mi

Average Pace

6:45 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:02

94% of race

Time at Steady Pace

9:44

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:22:4220:576:4520:57
6:45
#4051
10K
6.21 mi10:43:1841:336:4120:36
6:38
#3834
15K
9.32 mi11:03:571:02:126:4020:39
6:39
#3744
20K
12.43 mi11:24:521:23:076:4120:55
6:44
#3749
Half
13.11 mi11:29:211:27:366:414:29
6:34
#3716
25K
15.53 mi11:45:291:43:446:4116:08
6:39
#3577
30K
18.64 mi12:06:452:05:006:4221:16
6:51
#3481
20M
20.00 mi12:16:082:14:236:439:23
6:54
#3449
21M
21.00 mi12:23:222:21:376:457:14
7:14
#3391
35K
21.75 mi12:28:112:26:266:444:49
6:26
#3318
23M
23.00 mi12:36:412:34:566:448:30
6:47
#3243
24M
24.00 mi12:43:262:41:416:446:45
6:45
#3227
40K
24.85 mi12:49:192:47:346:455:53
6:53
#3207
25.2M
25.20 mi12:51:492:50:046:452:30
7:15
#3185
Finish
26.22 mi12:58:312:56:466:456:42
6:34
#3135
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4051379837983662(Top 14%)3453(Top 23%)3453(Top 65%)
10K6.21 mi3.10 mi3834+2173609+1893609+1893714(Top 14%)3509(Top 23%)3509(Top 66%)
15K9.32 mi3.11 mi3744+903533+763533+763662(Top 14%)3453(Top 23%)3453(Top 65%)
20K12.43 mi3.11 mi3749-53543-103543-103805(Top 14%)3587(Top 24%)3587(Top 68%)
Half13.11 mi0.68 mi3716+333513+303513+303220(Top 12%)3070(Top 20%)3070(Top 58%)
25K15.53 mi2.42 mi3577+1393386+1273386+1273027(Top 11%)2885(Top 19%)2885(Top 55%)
30K18.64 mi3.11 mi3481+963295+913295+913275(Top 12%)3085(Top 20%)3085(Top 58%)
20M20.00 mi1.36 mi3449+323263+323263+323434(Top 13%)3206(Top 21%)3206(Top 61%)
21M21.00 mi1.00 mi3391+583212+513212+513274(Top 12%)3054(Top 20%)3054(Top 58%)
35K21.75 mi0.75 mi3318+733143+693143+692159(Top 8%)2052(Top 14%)2052(Top 39%)
23M23.00 mi1.25 mi3243+753072+713072+712600(Top 10%)2441(Top 16%)2441(Top 46%)
24M24.00 mi1.00 mi3227+163055+173055+173357(Top 13%)3094(Top 20%)3094(Top 59%)
40K24.85 mi0.85 mi3207+203034+213034+213211(Top 12%)2941(Top 19%)2941(Top 56%)
25.2M25.20 mi0.35 mi3185+223015+193015+192708(Top 10%)2494(Top 16%)2494(Top 47%)
Finish26.22 mi1.02 mi3135+502966+492966+492849(Top 11%)2586(Top 17%)2586(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

3662

Males

3453

M18-39

3453

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

3714

Males

3509

M18-39

3509

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

3662

Males

3453

M18-39

3453

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3805

Males

3587

M18-39

3587

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3220

Males

3070

M18-39

3070

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

3027

Males

2885

M18-39

2885

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3275

Males

3085

M18-39

3085

30K→20M

18.6 - 20.0 mi

Top 13%
×5story building
+64ft-50ft

Overall

3434

Males

3206

M18-39

3206

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3274

Males

3054

M18-39

3054

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2159

Males

2052

M18-39

2052

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2600

Males

2441

M18-39

2441

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3357

Males

3094

M18-39

3094

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3211

Males

2941

M18-39

2941

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2708

Males

2494

M18-39

2494

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2849

Males

2586

M18-39

2586

Passing Analysis

Category:
Athletes Passed
1483
Passed By
567
Net Change
+916
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4051
5K → 10K349132+217#4051#3834
10K → 15K15868+90#3834#3744
15K → 20K96101-5#3744#3749
20K → Half385+33#3749#3716
Half → 25K15516+139#3716#3577
25K → 30K15660+96#3577#3481
30K → 20M7240+32#3481#3449
20M → 21M8931+58#3449#3391
21M → 35K763+73#3391#3318
35K → 23M9318+75#3318#3243
23M → 24M4630+16#3243#3227
24M → 40K4727+20#3227#3207
40K → 25.2M3614+22#3207#3185
25.2M → Finish7222+50#3185#3135
TOTALS1483567+916
📊

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