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BOSTON MARATHON 2023

David Woodson

Bib: 27235•M

WA

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
9:54/mi
30:47
↑ 97↓ 3451.5%
10K· 6.21 mi
9:36/mi
1:00:38
↑ 79↓ 1380.4%
15K· 9.32 mi
9:38/mi
1:30:35
↑ 67↓ 78
20K· 12.43 mi
9:32/mi
2:00:11
↑ 106↓ 860.1%
Half· 13.11 mi
9:21/mi
2:06:34
↑ 19↓ 370.5%
25K· 15.53 mi
9:31/mi
2:29:39
↑ 66↓ 880.2%
30K· 18.64 mi
9:39/mi
2:59:39
↑ 181↓ 1480.2%
20M
9:29/mi
3:12:32
↑ 64↓ 500.2%
21M
10:05/mi
3:22:37
↑ 106↓ 241.6%
35K· 21.75 mi
9:35/mi
3:29:47
↑ 17↓ 861.7%
23M
9:34/mi
3:41:46
↑ 23↓ 630.6%
24M
9:17/mi
3:51:03
↓ 821.3%
40K· 24.85 mi
9:00/mi
3:58:45
↓ 200.3%
25.2M
10:06/mi
4:02:14
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
4:10:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:06:34
Pace9:39 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:04:15
Pace9:29 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2530:479:5430:47
9:54
-
10K
6.21 mi12:22:161:00:389:4529:51
9:36
-0:18
15K
9.32 mi12:52:131:30:359:4329:57
9:38
+0:02
20K
12.43 mi13:21:492:00:119:4029:36
9:32
-0:06
Half
13.11 mi13:28:122:06:349:396:23
9:21
-0:11
25K
15.53 mi13:51:172:29:399:3823:05
9:31
+0:10
30K
18.64 mi14:21:172:59:399:3830:00
9:39
+0:08
20M
20.00 mi14:34:103:12:329:3812:53
9:29
-0:10
21M
21.00 mi14:44:153:22:379:3910:05
10:05
+0:36
35K
21.75 mi14:51:253:29:479:397:10
9:35
-0:30
23M
23.00 mi15:03:243:41:469:3911:59
9:34
-0:01
24M
24.00 mi15:12:413:51:039:389:17
9:17
-0:17
40K
24.85 mi15:20:233:58:459:367:42
9:00
-0:17
25.2M
25.20 mi15:23:524:02:149:373:29
10:06
+1:06
Finish
26.22 mi15:32:274:10:499:348:35
8:25
-1:41

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

8:25 /mi

Average Pace

9:34 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:57

13% of race

Time at Steady Pace

2:54:31

70% of race

Time at Slower Pace

44:21

18% of race

Average Pace: 9:34 /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 mi11:52:2530:479:5430:47
9:54
#23215
10K
6.21 mi12:22:161:00:389:4529:51
9:36
#23056
15K
9.32 mi12:52:131:30:359:4329:57
9:38
#22936
20K
12.43 mi13:21:492:00:119:4029:36
9:32
#22608
Half
13.11 mi13:28:122:06:349:396:23
9:21
#22558
25K
15.53 mi13:51:172:29:399:3823:05
9:31
#22297
30K
18.64 mi14:21:172:59:399:3830:00
9:39
#21875
20M
20.00 mi14:34:103:12:329:3812:53
9:29
#21655
21M
21.00 mi14:44:153:22:379:3910:05
10:05
#21494
35K
21.75 mi14:51:253:29:479:397:10
9:35
#21443
23M
23.00 mi15:03:243:41:469:3911:59
9:34
#21259
24M
24.00 mi15:12:413:51:039:389:17
9:17
#21134
40K
24.85 mi15:20:233:58:459:367:42
9:00
#20961
25.2M
25.20 mi15:23:524:02:149:373:29
10:06
#20906
Finish
26.22 mi15:32:274:10:499:348:35
8:25
#20746
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23215136861368622622(Top 85%)13458(Top 89%)13458(Top 255%)
10K6.21 mi3.10 mi23056+15913638+4813638+4822813(Top 86%)13552(Top 89%)13552(Top 256%)
15K9.32 mi3.11 mi22936+12013594+4413594+4422622(Top 85%)13458(Top 89%)13458(Top 255%)
20K12.43 mi3.11 mi22608+32813450+14413450+14421637(Top 81%)13019(Top 86%)13019(Top 246%)
Half13.11 mi0.68 mi22558+5013414+3613414+3621669(Top 81%)13032(Top 86%)13032(Top 247%)
25K15.53 mi2.42 mi22297+26113271+14313271+14320890(Top 78%)12658(Top 83%)12658(Top 240%)
30K18.64 mi3.11 mi21875+42213094+17713094+17719987(Top 75%)12205(Top 80%)12205(Top 231%)
20M20.00 mi1.36 mi21655+22012982+11212982+11218787(Top 71%)11587(Top 76%)11587(Top 219%)
21M21.00 mi1.00 mi21494+16112895+8712895+8718313(Top 69%)11358(Top 75%)11358(Top 215%)
35K21.75 mi0.75 mi21443+5112864+3112864+3120081(Top 75%)12082(Top 80%)12082(Top 229%)
23M23.00 mi1.25 mi21259+18412759+10512759+10518606(Top 70%)11402(Top 75%)11402(Top 216%)
24M24.00 mi1.00 mi21134+12512692+6712692+6718395(Top 69%)11272(Top 74%)11272(Top 213%)
40K24.85 mi0.85 mi20961+17312605+8712605+8716166(Top 61%)10210(Top 67%)10210(Top 193%)
25.2M25.20 mi0.35 mi20906+5512579+2612579+2617761(Top 67%)10920(Top 72%)10920(Top 207%)
Finish26.22 mi1.02 mi20746+16012498+8112498+8114888(Top 56%)9683(Top 64%)9683(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22622

Males

13458

M18-39

13458

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22813

Males

13552

M18-39

13552

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22622

Males

13458

M18-39

13458

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21637

Males

13019

M18-39

13019

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21669

Males

13032

M18-39

13032

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20890

Males

12658

M18-39

12658

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19987

Males

12205

M18-39

12205

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18787

Males

11587

M18-39

11587

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18313

Males

11358

M18-39

11358

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

20081

Males

12082

M18-39

12082

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18606

Males

11402

M18-39

11402

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18395

Males

11272

M18-39

11272

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16166

Males

10210

M18-39

10210

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17761

Males

10920

M18-39

10920

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14888

Males

9683

M18-39

9683

Passing Analysis

Category:
Athletes Passed
2776
Passed By
307
Net Change
+2469
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23215
5K → 10K305146+159#23215#23056
10K → 15K21595+120#23056#22936
15K → 20K34921+328#22936#22608
20K → Half577+50#22608#22558
Half → 25K2676+261#22558#22297
25K → 30K4275+422#22297#21875
30K → 20M2222+220#21875#21655
20M → 21M1643+161#21655#21494
21M → 35K6312+51#21494#21443
35K → 23M1884+184#21443#21259
23M → 24M1261+125#21259#21134
24M → 40K1741+173#21134#20961
40K → 25.2M550+55#20961#20906
25.2M → Finish1644+160#20906#20746
TOTALS2776307+2469
📊

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