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BOSTON MARATHON 2023

Stuart Daniel

Bib: 19621•M

KY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
8:16/mi
25:42
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
50:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:16:15
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:41:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:47:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:07:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:31/mi
2:33:51
↑ 181↓ 1480.2%
20M
8:51/mi
2:45:53
↑ 64↓ 500.2%
21M
9:21/mi
2:55:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
3:02:05
↑ 17↓ 861.7%
23M
9:21/mi
3:13:48
↑ 23↓ 630.6%
24M
9:13/mi
3:23:01
↓ 821.3%
40K· 24.85 mi
10:08/mi
3:31:41
↓ 200.3%
25.2M
11:10/mi
3:35:32
↑ 13↓ 160.2%
Finish· 26.22 mi
8:52/mi
3:44:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:24
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:57:10
Pace8:56 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4825:428:1625:42
8:16
-
10K
6.21 mi11:43:0250:568:1225:14
8:07
-0:09
15K
9.32 mi12:08:211:16:158:1125:19
8:09
+0:02
20K
12.43 mi12:33:591:41:538:1225:38
8:15
+0:06
Half
13.11 mi12:39:301:47:248:125:31
8:05
-0:10
25K
15.53 mi12:59:302:07:248:1220:00
8:15
+0:10
30K
18.64 mi13:25:572:33:518:1526:27
8:31
+0:16
20M
20.00 mi13:37:592:45:538:1812:02
8:51
+0:20
21M
21.00 mi13:47:202:55:148:219:21
9:21
+0:30
35K
21.75 mi13:54:113:02:058:226:51
9:09
-0:12
23M
23.00 mi14:05:543:13:488:2611:43
9:21
+0:12
24M
24.00 mi14:15:073:23:018:289:13
9:13
-0:08
40K
24.85 mi14:23:473:31:418:318:40
10:08
+0:55
25.2M
25.20 mi14:27:383:35:328:333:51
11:10
+1:02
Finish
26.22 mi14:36:403:44:348:349:02
8:52
-2:18

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

8:05 /mi

Average Pace

8:34 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:24

57% of race

Time at Steady Pace

1:03:35

28% of race

Time at Slower Pace

33:35

15% of race

Average Pace: 8:34 /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 mi11:17:4825:428:1625:42
8:16
#15961
10K
6.21 mi11:43:0250:568:1225:14
8:07
#15798
15K
9.32 mi12:08:211:16:158:1125:19
8:09
#15670
20K
12.43 mi12:33:591:41:538:1225:38
8:15
#15550
Half
13.11 mi12:39:301:47:248:125:31
8:05
#15527
25K
15.53 mi12:59:302:07:248:1220:00
8:15
#15358
30K
18.64 mi13:25:572:33:518:1526:27
8:31
#15153
20M
20.00 mi13:37:592:45:538:1812:02
8:51
#15193
21M
21.00 mi13:47:202:55:148:219:21
9:21
#15170
35K
21.75 mi13:54:113:02:058:226:51
9:09
#15287
23M
23.00 mi14:05:543:13:488:2611:43
9:21
#15469
24M
24.00 mi14:15:073:23:018:289:13
9:13
#15595
40K
24.85 mi14:23:473:31:418:318:40
10:08
#15868
25.2M
25.20 mi14:27:383:35:328:333:51
11:10
#15996
Finish
26.22 mi14:36:403:44:348:349:02
8:52
#16065
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15961106871068715485(Top 58%)10499(Top 69%)10499(Top 738%)
10K6.21 mi3.10 mi15798+16310623+6410623+6415666(Top 59%)10586(Top 70%)10586(Top 744%)
15K9.32 mi3.11 mi15670+12810570+5310570+5315485(Top 58%)10499(Top 69%)10499(Top 738%)
20K12.43 mi3.11 mi15550+12010508+6210508+6215266(Top 57%)10373(Top 68%)10373(Top 729%)
Half13.11 mi0.68 mi15527+2310496+1210496+1215015(Top 56%)10315(Top 68%)10315(Top 725%)
25K15.53 mi2.42 mi15358+16910402+9410402+9414573(Top 55%)9993(Top 66%)9993(Top 703%)
30K18.64 mi3.11 mi15153+20510280+12210280+12214404(Top 54%)9824(Top 65%)9824(Top 691%)
20M20.00 mi1.36 mi15193-4010273+710273+715732(Top 59%)10303(Top 68%)10303(Top 725%)
21M21.00 mi1.00 mi15170+2310243+3010243+3015242(Top 57%)10035(Top 66%)10035(Top 706%)
35K21.75 mi0.75 mi15287-11710270-2710270-2718537(Top 70%)11379(Top 75%)11379(Top 800%)
23M23.00 mi1.25 mi15469-18210305-3510305-3517740(Top 67%)11004(Top 73%)11004(Top 774%)
24M24.00 mi1.00 mi15595-12610336-3110336-3118099(Top 68%)11122(Top 73%)11122(Top 782%)
40K24.85 mi0.85 mi15868-27310444-10810444-10820319(Top 76%)12060(Top 79%)12060(Top 848%)
25.2M25.20 mi0.35 mi15996-12810497-5310497-5320783(Top 78%)12283(Top 81%)12283(Top 864%)
Finish26.22 mi1.02 mi16065-6910520-2310520-2317318(Top 65%)10749(Top 71%)10749(Top 756%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15485

Males

10499

M55-59

10499

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15666

Males

10586

M55-59

10586

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15485

Males

10499

M55-59

10499

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15266

Males

10373

M55-59

10373

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15015

Males

10315

M55-59

10315

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14573

Males

9993

M55-59

9993

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14404

Males

9824

M55-59

9824

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15732

Males

10303

M55-59

10303

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15242

Males

10035

M55-59

10035

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18537

Males

11379

M55-59

11379

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17740

Males

11004

M55-59

11004

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

18099

Males

11122

M55-59

11122

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20319

Males

12060

M55-59

12060

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20783

Males

12283

M55-59

12283

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17318

Males

10749

M55-59

10749

Passing Analysis

Category:
Athletes Passed
1734
Passed By
1838
Net Change
-104
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15961
5K → 10K381218+163#15961#15798
10K → 15K251123+128#15798#15670
15K → 20K230110+120#15670#15550
20K → Half3714+23#15550#15527
Half → 25K22657+169#15527#15358
25K → 30K28479+205#15358#15153
30K → 20M69109-40#15153#15193
20M → 21M9673+23#15193#15170
21M → 35K18135-117#15170#15287
35K → 23M45227-182#15287#15469
23M → 24M35161-126#15469#15595
24M → 40K17290-273#15595#15868
40K → 25.2M10138-128#15868#15996
25.2M → Finish35104-69#15996#16065
TOTALS17341838-104
📊

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