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BOSTON MARATHON 2023

Daniel Walker

Bib: 6320•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:23
Rank: #15219
Start → 5K
25:23 | 8:10/mi
10K· 6.21 mi
51:30
Rank: #16413 (-1194)
5K → 10K
26:07 | 8:24/mi
15K· 9.32 mi
1:17:54
Rank: #16900 (-487)
10K → 15K
26:24 | 8:30/mi
20K· 12.43 mi
1:44:05
Rank: #16766 (+134)
15K → 20K
26:11 | 8:26/mi
Half· 13.11 mi
1:49:44
Rank: #16766
20K → Half
5:39 | 8:17/mi
25K· 15.53 mi
2:09:55
Rank: #16493 (+273)
Half → 25K
20:11 | 8:19/mi
30K· 18.64 mi
2:36:39
Rank: #16180 (+313)
25K → 30K
26:44 | 8:36/mi
20M
2:48:34
Rank: #16085 (+95)
30K → 20M
11:55 | 8:46/mi
21M
2:58:01
Rank: #16038 (+47)
20M → 21M
9:27 | 9:27/mi
35K· 21.75 mi
3:04:24
Rank: #16001 (+37)
21M → 35K
6:23 | 8:32/mi
23M
3:15:24
Rank: #15929 (+72)
35K → 23M
11:00 | 8:47/mi
24M
3:24:09
Rank: #15915 (+14)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:31:44
Rank: #15890 (+25)
24M → 40K
7:35 | 8:52/mi
25.2M
3:35:05
Rank: #15883 (+7)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:44:11
Rank: #15975 (-92)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:44
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:54:27
Pace8:44 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:4425:238:1025:23
8:10
-
10K
6.21 mi10:54:5151:308:1726:07
8:24
+0:14
15K
9.32 mi11:21:151:17:548:2126:24
8:30
+0:06
20K
12.43 mi11:47:261:44:058:2326:11
8:26
-0:04
Half
13.11 mi11:53:051:49:448:225:39
8:17
-0:09
25K
15.53 mi12:13:162:09:558:2220:11
8:19
+0:02
30K
18.64 mi12:40:002:36:398:2426:44
8:36
+0:17
20M
20.00 mi12:51:552:48:348:2611:55
8:46
+0:10
21M
21.00 mi13:01:222:58:018:299:27
9:27
+0:41
35K
21.75 mi13:07:453:04:248:296:23
8:32
-0:55
23M
23.00 mi13:18:453:15:248:3011:00
8:47
+0:15
24M
24.00 mi13:27:303:24:098:308:45
8:45
-0:02
40K
24.85 mi13:35:053:31:448:317:35
8:52
+0:07
25.2M
25.20 mi13:38:263:35:058:323:21
9:43
+0:51
Finish
26.22 mi13:47:323:44:118:339:06
8:56
-0:47

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

8:10 /mi

Average Pace

8:33 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:23

94% of race

Time at Steady Pace

9:27

4% of race

Time at Slower Pace

3:21

1% of race

Average Pace: 8:33 /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 mi10:28:4425:238:1025:23
8:10
#15219
10K
6.21 mi10:54:5151:308:1726:07
8:24
#16413
15K
9.32 mi11:21:151:17:548:2126:24
8:30
#16900
20K
12.43 mi11:47:261:44:058:2326:11
8:26
#16766
Half
13.11 mi11:53:051:49:448:225:39
8:17
#16766
25K
15.53 mi12:13:162:09:558:2220:11
8:19
#16493
30K
18.64 mi12:40:002:36:398:2426:44
8:36
#16180
20M
20.00 mi12:51:552:48:348:2611:55
8:46
#16085
21M
21.00 mi13:01:222:58:018:299:27
9:27
#16038
35K
21.75 mi13:07:453:04:248:296:23
8:32
#16001
23M
23.00 mi13:18:453:15:248:3011:00
8:47
#15929
24M
24.00 mi13:27:303:24:098:308:45
8:45
#15915
40K
24.85 mi13:35:053:31:448:317:35
8:52
#15890
25.2M
25.20 mi13:38:263:35:058:323:21
9:43
#15883
Finish
26.22 mi13:47:323:44:118:339:06
8:56
#15975
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi15219104151041517778(Top 67%)11375(Top 75%)11375(Top 508%)
10K6.21 mi3.10 mi16413-119410858-44310858-44317610(Top 66%)11342(Top 75%)11342(Top 506%)
15K9.32 mi3.11 mi16900-48711027-16911027-16917778(Top 67%)11375(Top 75%)11375(Top 508%)
20K12.43 mi3.11 mi16766+13410963+6410963+6416400(Top 62%)10789(Top 71%)10789(Top 481%)
Half13.11 mi0.68 mi1676610964-110964-116321(Top 61%)10807(Top 71%)10807(Top 482%)
25K15.53 mi2.42 mi16493+27310840+12410840+12415095(Top 57%)10174(Top 67%)10174(Top 454%)
30K18.64 mi3.11 mi16180+31310670+17010670+17014950(Top 56%)10038(Top 66%)10038(Top 448%)
20M20.00 mi1.36 mi16085+9510622+4810622+4815241(Top 57%)10089(Top 66%)10089(Top 450%)
21M21.00 mi1.00 mi16038+4710580+4210580+4215709(Top 59%)10227(Top 67%)10227(Top 456%)
35K21.75 mi0.75 mi16001+3710544+3610544+3615463(Top 58%)10059(Top 66%)10059(Top 449%)
23M23.00 mi1.25 mi15929+7210488+5610488+5614897(Top 56%)9767(Top 64%)9767(Top 436%)
24M24.00 mi1.00 mi15915+1410470+1810470+1815914(Top 60%)10132(Top 67%)10132(Top 452%)
40K24.85 mi0.85 mi15890+2510451+1910451+1915441(Top 58%)9874(Top 65%)9874(Top 441%)
25.2M25.20 mi0.35 mi15883+710446+510446+516122(Top 61%)10166(Top 67%)10166(Top 454%)
Finish26.22 mi1.02 mi15975-9210479-3310479-3317596(Top 66%)10867(Top 72%)10867(Top 485%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17778

Males

11375

M40-44

11375

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17610

Males

11342

M40-44

11342

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17778

Males

11375

M40-44

11375

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16400

Males

10789

M40-44

10789

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16321

Males

10807

M40-44

10807

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15095

Males

10174

M40-44

10174

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14950

Males

10038

M40-44

10038

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15241

Males

10089

M40-44

10089

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15709

Males

10227

M40-44

10227

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15463

Males

10059

M40-44

10059

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14897

Males

9767

M40-44

9767

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

15914

Males

10132

M40-44

10132

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15441

Males

9874

M40-44

9874

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16122

Males

10166

M40-44

10166

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17596

Males

10867

M40-44

10867

Passing Analysis

Category:
Athletes Passed
1651
Passed By
2407
Net Change
-756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15219
5K → 10K391233-1194#15219#16413
10K → 15K64551-487#16413#16900
15K → 20K243109+134#16900#16766
20K → Half22220#16766#16766
Half → 25K29219+273#16766#16493
25K → 30K36148+313#16493#16180
30K → 20M12732+95#16180#16085
20M → 21M10255+47#16085#16038
21M → 35K6831+37#16038#16001
35K → 23M12250+72#16001#15929
23M → 24M7864+14#15929#15915
24M → 40K7045+25#15915#15890
40K → 25.2M3124+7#15890#15883
25.2M → Finish32124-92#15883#15975
TOTALS16512407-756
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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