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BOSTON MARATHON 2023

Dan Holland

Bib: 29848•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 39%
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
7:55/mi
24:35
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:12:07
↑ 67↓ 78
20K· 12.43 mi
7:33/mi
1:35:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:40:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
1:59:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:23:56
↑ 181↓ 1480.2%
20M
7:52/mi
2:34:38
↑ 64↓ 500.2%
21M
8:05/mi
2:42:43
↑ 106↓ 241.6%
35K· 21.75 mi
7:13/mi
2:48:07
↑ 17↓ 861.7%
23M
7:51/mi
2:57:57
↑ 23↓ 630.6%
24M
8:03/mi
3:06:00
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:13:13
↓ 200.3%
25.2M
8:56/mi
3:16:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:24:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:50
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:43:20
Pace7:53 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:0824:357:5524:35
7:55
-
10K
6.21 mi12:06:0748:347:4923:59
7:43
-0:12
15K
9.32 mi12:29:401:12:077:4423:33
7:35
-0:08
20K
12.43 mi12:53:081:35:357:4123:28
7:33
-0:02
Half
13.11 mi12:58:231:40:507:415:15
7:42
+0:09
25K
15.53 mi13:17:181:59:457:4318:55
7:48
+0:06
30K
18.64 mi13:41:292:23:567:4324:11
7:47
-0:01
20M
20.00 mi13:52:112:34:387:4410:42
7:52
+0:05
21M
21.00 mi14:00:162:42:437:458:05
8:05
+0:13
35K
21.75 mi14:05:402:48:077:445:24
7:13
-0:52
23M
23.00 mi14:15:302:57:577:449:50
7:51
+0:38
24M
24.00 mi14:23:333:06:007:458:03
8:03
+0:12
40K
24.85 mi14:30:463:13:137:467:13
8:26
+0:23
25.2M
25.20 mi14:33:513:16:187:473:05
8:56
+0:30
Finish
26.22 mi14:41:433:24:107:487:52
7:43
-1:13

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

7:13 /mi

Average Pace

7:48 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:25

26% of race

Time at Steady Pace

2:05:19

61% of race

Time at Slower Pace

26:26

13% of race

Average Pace: 7:47 /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 mi11:42:0824:357:5524:35
7:55
#13334
10K
6.21 mi12:06:0748:347:4923:59
7:43
#12837
15K
9.32 mi12:29:401:12:077:4423:33
7:35
#12120
20K
12.43 mi12:53:081:35:357:4123:28
7:33
#11453
Half
13.11 mi12:58:231:40:507:415:15
7:42
#11468
25K
15.53 mi13:17:181:59:457:4318:55
7:48
#11375
30K
18.64 mi13:41:292:23:567:4324:11
7:47
#10929
20M
20.00 mi13:52:112:34:387:4410:42
7:52
#10775
21M
21.00 mi14:00:162:42:437:458:05
8:05
#10601
35K
21.75 mi14:05:402:48:077:445:24
7:13
#10423
23M
23.00 mi14:15:302:57:577:449:50
7:51
#10302
24M
24.00 mi14:23:333:06:007:458:03
8:03
#10337
40K
24.85 mi14:30:463:13:137:467:13
8:26
#10426
25.2M
25.20 mi14:33:513:16:187:473:05
8:56
#10447
Finish
26.22 mi14:41:433:24:107:487:52
7:43
#10403
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi133349681968110823(Top 41%)8561(Top 56%)8561(Top 162%)
10K6.21 mi3.10 mi12837+4979478+2039478+20312412(Top 47%)9292(Top 61%)9292(Top 176%)
15K9.32 mi3.11 mi12120+7179140+3389140+33810823(Top 41%)8561(Top 56%)8561(Top 162%)
20K12.43 mi3.11 mi11453+6678847+2938847+2939723(Top 37%)7919(Top 52%)7919(Top 150%)
Half13.11 mi0.68 mi11468-158845+28845+211767(Top 44%)8952(Top 59%)8952(Top 169%)
25K15.53 mi2.42 mi11375+938781+648781+6411090(Top 42%)8545(Top 56%)8545(Top 162%)
30K18.64 mi3.11 mi10929+4468551+2308551+2309231(Top 35%)7414(Top 49%)7414(Top 140%)
20M20.00 mi1.36 mi10775+1548438+1138438+1139384(Top 35%)7412(Top 49%)7412(Top 140%)
21M21.00 mi1.00 mi10601+1748334+1048334+1047899(Top 30%)6429(Top 42%)6429(Top 122%)
35K21.75 mi0.75 mi10423+1788226+1088226+1086651(Top 25%)5688(Top 37%)5688(Top 108%)
23M23.00 mi1.25 mi10302+1218141+858141+858761(Top 33%)6842(Top 45%)6842(Top 129%)
24M24.00 mi1.00 mi10337-358129+128129+1211554(Top 43%)8177(Top 54%)8177(Top 155%)
40K24.85 mi0.85 mi10426-898140-118140-1112939(Top 49%)8745(Top 58%)8745(Top 165%)
25.2M25.20 mi0.35 mi10447-218136+48136+412103(Top 45%)8297(Top 55%)8297(Top 157%)
Finish26.22 mi1.02 mi10403+448092+448092+4410079(Top 38%)7333(Top 48%)7333(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10823

Males

8561

M18-39

8561

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12412

Males

9292

M18-39

9292

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10823

Males

8561

M18-39

8561

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9723

Males

7919

M18-39

7919

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11767

Males

8952

M18-39

8952

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11090

Males

8545

M18-39

8545

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9231

Males

7414

M18-39

7414

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9384

Males

7412

M18-39

7412

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

7899

Males

6429

M18-39

6429

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6651

Males

5688

M18-39

5688

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8761

Males

6842

M18-39

6842

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11554

Males

8177

M18-39

8177

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12939

Males

8745

M18-39

8745

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12103

Males

8297

M18-39

8297

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10079

Males

7333

M18-39

7333

Passing Analysis

Category:
Athletes Passed
3587*
Passed By
656
Net Change
+2931
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13334
5K → 10K628131+497#13334#12837
10K → 15K73720+717#12837#12120
15K → 20K6747+667#12120#11453
20K → Half2540-15#11453#11468
Half → 25K16168+93#11468#11375
25K → 30K46721+446#11375#10929
30K → 20M171*17+154#10929#10775
20M → 21M18410+174#10775#10601
21M → 35K1791+178#10601#10423
35K → 23M14625+121#10423#10302
23M → 24M4681-35#10302#10337
24M → 40K43132-89#10337#10426
40K → 25.2M2950-21#10426#10447
25.2M → Finish9753+44#10447#10403
TOTALS3587*656+2931

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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