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BOSTON MARATHON 2023

David Astrue

Bib: 6234•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
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
7:24/mi
23:00
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
45:47
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:10:47
↑ 67↓ 78
20K· 12.43 mi
9:03/mi
1:38:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:44:41
↑ 19↓ 370.5%
25K· 15.53 mi
11:44/mi
2:13:08
↑ 66↓ 880.2%
30K· 18.64 mi
15:15/mi
3:00:31
↑ 181↓ 1480.2%
20M
16:33/mi
3:23:01
↑ 64↓ 500.2%
21M
17:30/mi
3:40:31
↑ 106↓ 241.6%
35K· 21.75 mi
12:41/mi
3:50:00
↑ 17↓ 861.7%
23M
15:29/mi
4:09:23
↑ 23↓ 630.6%
24M
14:13/mi
4:23:36
↓ 821.3%
40K· 24.85 mi
13:31/mi
4:35:09
↓ 200.3%
25.2M
12:40/mi
4:39:31
↑ 13↓ 160.2%
Finish· 26.22 mi
10:02/mi
4:49:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:41
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time3:05:03
Pace14:07 /mi
📊Positive Split: 76.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2923:007:2423:00
7:24
-
10K
6.21 mi10:49:1645:477:2222:47
7:20
-0:04
15K
9.32 mi11:14:161:10:477:3625:00
8:03
+0:43
20K
12.43 mi11:42:231:38:547:5728:07
9:03
+1:00
Half
13.11 mi11:48:101:44:417:595:47
8:29
-0:34
25K
15.53 mi12:16:372:13:088:3428:27
11:44
+3:15
30K
18.64 mi13:04:003:00:319:4147:23
15:15
+3:31
20M
20.00 mi13:26:303:23:0110:0922:30
16:33
+1:18
21M
21.00 mi13:44:003:40:3110:3017:30
17:30
+0:57
35K
21.75 mi13:53:293:50:0010:359:29
12:41
-4:49
23M
23.00 mi14:12:524:09:2310:5119:23
15:29
+2:48
24M
24.00 mi14:27:054:23:3610:5914:13
14:13
-1:16
40K
24.85 mi14:38:384:35:0911:0411:33
13:31
-0:42
25.2M
25.20 mi14:43:004:39:3111:064:22
12:40
-0:51
Finish
26.22 mi14:53:134:49:4411:0410:13
10:02
-2:38

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

7:20 /mi

Average Pace

11:04 /mi

Slowest Pace

17:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:54

40% of race

Time at Steady Pace

1:08:04

23% of race

Time at Slower Pace

1:46:46

37% of race

Average Pace: 11:03 /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 mi10:26:2923:007:2423:00
7:24
#8852
10K
6.21 mi10:49:1645:477:2222:47
7:20
#8956
15K
9.32 mi11:14:161:10:477:3625:00
8:03
#10886
20K
12.43 mi11:42:231:38:547:5728:07
9:03
#13765
Half
13.11 mi11:48:101:44:417:595:47
8:29
#13986
25K
15.53 mi12:16:372:13:088:3428:27
11:44
#17751
30K
18.64 mi13:04:003:00:319:4147:23
15:15
#22012
20M
20.00 mi13:26:303:23:0110:0922:30
16:33
#22985
21M
21.00 mi13:44:003:40:3110:3017:30
17:30
#23487
35K
21.75 mi13:53:293:50:0010:359:29
12:41
#23588
23M
23.00 mi14:12:524:09:2310:5119:23
15:29
#23985
24M
24.00 mi14:27:054:23:3610:5914:13
14:13
#24156
40K
24.85 mi14:38:384:35:0911:0411:33
13:31
#24240
25.2M
25.20 mi14:43:004:39:3111:064:22
12:40
#24231
Finish
26.22 mi14:53:134:49:4411:0410:13
10:02
#24158
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi88527511751114772(Top 55%)10208(Top 67%)10208(Top 193%)
10K6.21 mi3.10 mi8956-1047555-447555-449105(Top 34%)7645(Top 50%)7645(Top 145%)
15K9.32 mi3.11 mi10886-19308602-10478602-104714772(Top 55%)10208(Top 67%)10208(Top 193%)
20K12.43 mi3.11 mi13765-28799803-12019803-120119930(Top 75%)12275(Top 81%)12275(Top 232%)
Half13.11 mi0.68 mi13986-2219892-899892-8917581(Top 66%)11342(Top 75%)11342(Top 215%)
25K15.53 mi2.42 mi17751-376511349-145711349-145724918(Top 94%)14424(Top 95%)14424(Top 273%)
30K18.64 mi3.11 mi22012-426113150-180113150-180126483(Top 99%)15110(Top 100%)15110(Top 286%)
20M20.00 mi1.36 mi22985-97313573-42313573-42326524(Top 100%)15123(Top 100%)15123(Top 286%)
21M21.00 mi1.00 mi23487-50213812-23913812-23926515(Top 100%)15126(Top 100%)15126(Top 286%)
35K21.75 mi0.75 mi23588-10113850-3813850-3825323(Top 95%)14473(Top 95%)14473(Top 274%)
23M23.00 mi1.25 mi23985-39714016-16614016-16626404(Top 99%)15050(Top 99%)15050(Top 285%)
24M24.00 mi1.00 mi24156-17114082-6614082-6626151(Top 98%)14896(Top 98%)14896(Top 282%)
40K24.85 mi0.85 mi24240-8414116-3414116-3425349(Top 95%)14482(Top 95%)14482(Top 274%)
25.2M25.20 mi0.35 mi24231+914105+1114105+1123516(Top 88%)13559(Top 89%)13559(Top 257%)
Finish26.22 mi1.02 mi24158+7314066+3914066+3921826(Top 82%)12786(Top 84%)12786(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14772

Males

10208

M18-39

10208

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9105

Males

7645

M18-39

7645

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14772

Males

10208

M18-39

10208

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19930

Males

12275

M18-39

12275

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17581

Males

11342

M18-39

11342

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

24918

Males

14424

M18-39

14424

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26483

Males

15110

M18-39

15110

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

26524

Males

15123

M18-39

15123

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

26515

Males

15126

M18-39

15126

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25323

Males

14473

M18-39

14473

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26404

Males

15050

M18-39

15050

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

26151

Males

14896

M18-39

14896

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25349

Males

14482

M18-39

14482

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23516

Males

13559

M18-39

13559

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21826

Males

12786

M18-39

12786

Passing Analysis

Category:
Athletes Passed
357
Passed By
15661
Net Change
-15306
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8852
5K → 10K220324-104#8852#8956
10K → 15K71935-1930#8956#10886
15K → 20K42883-2879#10886#13765
20K → Half3224-221#13765#13986
Half → 25K23767-3765#13986#17751
25K → 30K14262-4261#17751#22012
30K → 20M3976-973#22012#22985
20M → 21M0502-502#22985#23487
21M → 35K7108-101#23487#23588
35K → 23M4401-397#23588#23985
23M → 24M3174-171#23985#24156
24M → 40K1498-84#24156#24240
40K → 25.2M156+9#24240#24231
25.2M → Finish741+73#24231#24158
TOTALS35715661-15306
📊

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