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BOSTON MARATHON 2023

Erick Walsh

Bib: 24821•M

PA

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
9:52/mi
30:38
↑ 97↓ 3451.5%
10K· 6.21 mi
9:53/mi
1:01:20
↑ 79↓ 1380.4%
15K· 9.32 mi
9:50/mi
1:31:52
↑ 67↓ 78
20K· 12.43 mi
9:25/mi
2:01:07
↑ 106↓ 860.1%
Half· 13.11 mi
9:18/mi
2:07:28
↑ 19↓ 370.5%
25K· 15.53 mi
9:39/mi
2:30:52
↑ 66↓ 880.2%
30K· 18.64 mi
10:15/mi
3:02:43
↑ 181↓ 1480.2%
20M
11:27/mi
3:18:17
↑ 64↓ 500.2%
21M
12:19/mi
3:30:36
↑ 106↓ 241.6%
35K· 21.75 mi
10:07/mi
3:38:10
↑ 17↓ 861.7%
23M
10:15/mi
3:51:00
↑ 23↓ 630.6%
24M
10:10/mi
4:01:10
↓ 821.3%
40K· 24.85 mi
10:53/mi
4:10:28
↓ 200.3%
25.2M
11:30/mi
4:14:26
↑ 13↓ 160.2%
Finish· 26.22 mi
10:07/mi
4:24:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:28
Pace9:43 /mi
2nd Half
Distance13.11 mi
Time2:17:17
Pace10:28 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4630:389:5230:38
9:52
-
10K
6.21 mi12:16:281:01:209:5230:42
9:53
+0:01
15K
9.32 mi12:47:001:31:529:5130:32
9:50
-0:03
20K
12.43 mi13:16:152:01:079:4529:15
9:25
-0:25
Half
13.11 mi13:22:362:07:289:436:21
9:18
-0:07
25K
15.53 mi13:46:002:30:529:4323:24
9:39
+0:21
30K
18.64 mi14:17:513:02:439:4831:51
10:15
+0:36
20M
20.00 mi14:33:253:18:179:5515:34
11:27
+1:12
21M
21.00 mi14:45:443:30:3610:0212:19
12:19
+0:52
35K
21.75 mi14:53:183:38:1010:027:34
10:07
-2:12
23M
23.00 mi15:06:083:51:0010:0312:50
10:15
+0:08
24M
24.00 mi15:16:184:01:1010:0310:10
10:10
-0:05
40K
24.85 mi15:25:364:10:2810:059:18
10:53
+0:43
25.2M
25.20 mi15:29:344:14:2610:063:58
11:30
+0:37
Finish
26.22 mi15:39:534:24:4510:0610:19
10:07
-1:23

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

9:18 /mi

Average Pace

10:06 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:00

22% of race

Time at Steady Pace

2:44:36

62% of race

Time at Slower Pace

41:09

16% of race

Average Pace: 10:06 /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 mi11:45:4630:389:5230:38
9:52
#23084
10K
6.21 mi12:16:281:01:209:5230:42
9:53
#23324
15K
9.32 mi12:47:001:31:529:5130:32
9:50
#23268
20K
12.43 mi13:16:152:01:079:4529:15
9:25
#22786
Half
13.11 mi13:22:362:07:289:436:21
9:18
#22726
25K
15.53 mi13:46:002:30:529:4323:24
9:39
#22503
30K
18.64 mi14:17:513:02:439:4831:51
10:15
#22337
20M
20.00 mi14:33:253:18:179:5515:34
11:27
#22428
21M
21.00 mi14:45:443:30:3610:0212:19
12:19
#22488
35K
21.75 mi14:53:183:38:1010:027:34
10:07
#22451
23M
23.00 mi15:06:083:51:0010:0312:50
10:15
#22346
24M
24.00 mi15:16:184:01:1010:0310:10
10:10
#22314
40K
24.85 mi15:25:364:10:2810:059:18
10:53
#22293
25.2M
25.20 mi15:29:344:14:2610:063:58
11:30
#22283
Finish
26.22 mi15:39:534:24:4510:0610:19
10:07
#22284
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23084136241362423117(Top 87%)13684(Top 90%)13684(Top 259%)
10K6.21 mi3.10 mi23324-24013765-14113765-14123439(Top 88%)13831(Top 91%)13831(Top 262%)
15K9.32 mi3.11 mi23268+5613752+1313752+1323117(Top 87%)13684(Top 90%)13684(Top 259%)
20K12.43 mi3.11 mi22786+48213533+21913533+21921282(Top 80%)12871(Top 85%)12871(Top 244%)
Half13.11 mi0.68 mi22726+6013501+3213501+3221522(Top 81%)12976(Top 86%)12976(Top 246%)
25K15.53 mi2.42 mi22503+22313375+12613375+12621299(Top 80%)12840(Top 85%)12840(Top 243%)
30K18.64 mi3.11 mi22337+16613287+8813287+8821654(Top 81%)12922(Top 85%)12922(Top 245%)
20M20.00 mi1.36 mi22428-9113313-2613313-2623451(Top 88%)13667(Top 90%)13667(Top 259%)
21M21.00 mi1.00 mi22488-6013329-1613329-1623217(Top 87%)13531(Top 89%)13531(Top 256%)
35K21.75 mi0.75 mi22451+3713310+1913310+1921579(Top 81%)12746(Top 84%)12746(Top 241%)
23M23.00 mi1.25 mi22346+10513260+5013260+5020709(Top 78%)12338(Top 81%)12338(Top 233%)
24M24.00 mi1.00 mi22314+3213236+2413236+2421228(Top 80%)12526(Top 83%)12526(Top 237%)
40K24.85 mi0.85 mi22293+2113220+1613220+1622098(Top 83%)12884(Top 85%)12884(Top 244%)
25.2M25.20 mi0.35 mi22283+1013215+513215+521562(Top 81%)12653(Top 83%)12653(Top 239%)
Finish26.22 mi1.02 mi22284-113205+1013205+1022082(Top 83%)12904(Top 85%)12904(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23117

Males

13684

M18-39

13684

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23439

Males

13831

M18-39

13831

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23117

Males

13684

M18-39

13684

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21282

Males

12871

M18-39

12871

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21522

Males

12976

M18-39

12976

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21299

Males

12840

M18-39

12840

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21654

Males

12922

M18-39

12922

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23451

Males

13667

M18-39

13667

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23217

Males

13531

M18-39

13531

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21579

Males

12746

M18-39

12746

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20709

Males

12338

M18-39

12338

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

21228

Males

12526

M18-39

12526

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22098

Males

12884

M18-39

12884

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21562

Males

12653

M18-39

12653

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

22082

Males

12904

M18-39

12904

Passing Analysis

Category:
Athletes Passed
1659
Passed By
859
Net Change
+800
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23084
5K → 10K118358-240#23084#23324
10K → 15K163107+56#23324#23268
15K → 20K4842+482#23268#22786
20K → Half644+60#22786#22726
Half → 25K23310+223#22726#22503
25K → 30K20438+166#22503#22337
30K → 20M29120-91#22337#22428
20M → 21M3999-60#22428#22488
21M → 35K5619+37#22488#22451
35K → 23M12015+105#22451#22346
23M → 24M5119+32#22346#22314
24M → 40K5029+21#22314#22293
40K → 25.2M2212+10#22293#22283
25.2M → Finish2627-1#22283#22284
TOTALS1659859+800
📊

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